Document:

EXHIBIT 4.4

                                          Form of Initiation Warrant to Purchase
W-___                                                     Shares of Common Stock

NEITHER THIS WARRANT NOR THE SHARES OF COMMON STOCK  ISSUABLE  UPON  EXERCISE OF
THIS WARRANT HAVE BEEN REGISTERED  UNDER THE SECURITIES ACT OF 1933, AS AMENDED,
AND NEITHER  THIS WARRANT NOR SUCH SHARES MAY BE SOLD,  ENCUMBERED  OR OTHERWISE
TRANSFERRED  EXCEPT PURSUANT TO AN EFFECTIVE  REGISTRATION  STATEMENT UNDER SUCH
ACT OR AN EXEMPTION  FROM SUCH  REGISTRATION  REQUIREMENT,  AND, IF AN EXEMPTION
SHALL BE  APPLICABLE,  THE  HOLDER  SHALL HAVE  DELIVERED  AN OPINION OF COUNSEL
ACCEPTABLE TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.

VOID AFTER 5:00 P.M. NEW YORK CITY TIME ON THE LAST DAY OF THE EXERCISE  PERIOD,
AS DEFINED IN THE WARRANT

                          COMMON STOCK PURCHASE WARRANT
                                       OF
                         NATIONAL SCIENTIFIC CORPORATION

     This is to  certify  that,  FOR VALUE  RECEIVED,  ________________  with an
address  at   ______________________________   (and  or  its  assign(s)   and/or
transferee(s)) (hereinafter, each a "Holder" and collectively the "Holders"), is
entitled to purchase,  subject to the provisions of this Warrant,  from National
Scientific  Corporation,  a Texas  corporation  (the  "Company"),  at an initial
exercise  price equal to $.10 per  share__________________(________)  fully paid
and  non-assessable  shares of Common Stock,  par value $.01 per share  ("Common
Stock").  The shares of Common  Stock  deliverable  upon such  exercise,  and as
adjusted  from  time-to-time  as  provided  in  this  Warrant,  are  hereinafter
sometimes  referred  to as  "Warrant  Stock,"  and the  exercise  price  for the
purchase of a share of Common  Stock  pursuant to this  Warrant in effect at any
time and as adjusted from time-to-time is hereinafter  sometimes  referred to as
the "Exercise Price." The aggregate purchase price payable for the Warrant Stock
purchasable  hereunder  is referred to as the  "Aggregate  Purchase  Price." The
Aggregate  Purchase  Price is not  subject  to  adjustment.  In the  event of an
adjustment to the Exercise Price, as provided in Section 6 herein, the number of
shares of Warrant  Stock  deliverable  upon  exercise of this  Warrant  shall be
adjusted by dividing  the  Aggregate  Purchase  Price by the  Exercise  Price in
effect immediately after such adjustment.

     This  warrant and  additional  warrants of like tenor,  including  warrants
issued in exchange and/or substitution  thereof  (collectively,  the "Warrants")
were originally  issued in connection with a the execution of a Letter of Intent
between the Company and Casimir Capital L.P., dated February 9, 2004, ("Letter")
with respect to a proposed offering of securities by the Company ("Offering").

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     1.   DEFINITIONS. The following terms have the meanings set forth below:

          "Current  Market Value" of a share of Warrant Stock as of a particular
date (the "Determination Date") shall mean:

          a.   If the Common Stock is listed on a national  securities  exchange
     or admitted to unlisted  trading  privileges on such exchange or listed for
     trading on the NASDAQ  National  Market,  the current market value shall be
     the last reported sale price of the Common Stock on such exchange or market
     on the last  business  day prior to the date of exercise of this Warrant or
     if no such  sale is made on such day,  the  average  closing  bid and asked
     prices for such day on such exchange or market; or

          b.   If the  Common  Stock is not so listed or  admitted  to  unlisted
     trading  privileges,  but is  traded on the  NASDAQ  SmallCap  Market,  the
     current  market  value  shall be the  average of the  closing bid and asked
     prices  for  such  day on such  market  and if the  Common  Stock is not so
     traded,  the current  market  value shall be the mean of the last  reported
     bid-and asked prices reported by the National Quotation Bureau, Inc. on the
     last business day prior to the date of the exercise of this Warrant; or

          c.   If the  Common  Stock is not so listed or  admitted  to  unlisted
     trading  privileges  and bid and  asked  prices  are not so  reported,  the
     current  market value shall be an amount,  not less than book value thereof
     as at the end of the most recent fiscal year of the Company ending prior to
     the date of the  exercise of the  Warrant,  determined  in such  reasonable
     manner as may be prescribed by the Board of Directors of the Company.

          "Convertible Securities" shall mean evidences of indebtedness,  shares
of stock or other securities,  including but not limited to options, warrants or
purchase, subscription or other rights, which are convertible into, exchangeable
or exercisable  for, or represent the right to receive,  with or without payment
of  additional  consideration  in cash or  property,  shares of Common Stock (or
other Convertible  Securities),  either  immediately or upon the occurrence of a
specified date or a specified event.

          "Exercise  Period" shall mean the period commencing on the date hereof
and ending at 5 p.m., eastern time on the day preceding the seventh  anniversary
of the date hereof.

          "Permitted  Issuances"  shall mean (i) Common Stock issuable or issued
to employees,  consultants or directors of the Company  pursuant to a stock plan
or other  compensation  arrangement  approved by the Board of  Directors  of the
Company,  but in no event, more than Eight Million shares in the aggregate,  and
(ii) Common  Stock  issued or issuable  upon  conversion  of the Warrants or any
other securities  exercisable or exchangeable for, or convertible into shares of
Common Stock outstanding as of February 9, 2004.

     2.   EXERCISE OF WARRANT.

          (a)  This  Warrant may be exercised in whole or in part at any time or
     from time to time  commencing on the date hereof and until February 9, 2011
     (the "Exercise Period"),  provided,  however,  that if either such day is a
     day on which banking  institutions  in the State of New York are authorized
     by law to close,  then on the next succeeding day which shall not be such a
     day. This Warrant may be exercised by presentation  and surrender hereof to

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     the Company at its principal office, or at the office of its stock transfer
     agent,  if any,  with the Purchase  Form annexed  hereto duly  executed and
     accompanied  by payment of the  Exercise  Price for the number of shares of
     Warrant  Stock  specified in such form. As soon as  practicable  after each
     such exercise of this Warrant,  but not later than seven days from the date
     of such  exercise,  the  Company  shall  issue and  deliver to the Holder a
     certificate or  certificates  for the shares of Warrant Stock issuable upon
     such  exercise,  registered in the name of the Holder or its  designee.  If
     this  Warrant  should be exercised in part only,  the Company  shall,  upon
     surrender  of this  Warrant  for  cancellation,  execute  and deliver a new
     Warrant evidencing the rights of the Holder thereof to purchase the balance
     of the shares of Warrant Stock purchasable thereunder.  Upon receipt by the
     Company of this Warrant at its office,  or by the stock  transfer  agent of
     the Company at its office, in proper form for exercise, the Holder shall be
     deemed to be the  holder of record of the shares of Common  Stock  issuable
     upon such  exercise,  notwithstanding  that the stock transfer books of the
     Company shall then be closed or that certificates  representing such shares
     of Common Stock shall not then be physically delivered to the Holder.

          (b)  In lieu of the payment method set forth in Section (a) above,  at
     any time  during the  Exercise  Period,  the  Holder  may,  at its  option,
     exchange this Warrant, in whole or in part (a "Warrant Exchange"),  without
     the payment by the Holder of any additional  consideration  into the number
     of shares of Warrant Stock  determined in accordance with this Section (b),
     by surrendering  this Warrant at the principal  office of the Company or at
     the office of its stock  transfer  agent,  accompanied  by a notice stating
     such  Holder's  intent to effect  such  exchange,  the  number of shares of
     Warrant  Stock to be  exchanged  and the date on which the Holder  requests
     that such Warrant  Exchange occur (the "Notice of  Exchange").  The Warrant
     Exchange  shall take place on the date  specified in the Notice of Exchange
     or, if later,  the date the Notice of  Exchange  is received by the Company
     (the  "Exchange  Date").  Certificates  for the shares  issuable  upon such
     Warrant Exchange and, if applicable, a new warrant of like tenor evidencing
     the  balance of the shares  remaining  subject  to this  Warrant,  shall be
     issued as of the Exchange  Date and  delivered  to the Holder  within seven
     days following the Exchange Date. In connection with any Warrant  Exchange,
     this Warrant  shall  represent  the right to subscribe  for and acquire the
     number of shares of Warrant  Stock  (rounded to the next  highest  integer)
     equal to (i) the number of shares of Warrant Stock  specified by the Holder
     in its Notice of  Exchange  (the  "Total  Number")  less (ii) the number of
     shares of Warrant Stock equal to the quotient  obtained by dividing (A) the
     product of the Total  Number  and the  existing  Exercise  Price by (B) the
     Current Market Value of a share of Common Stock. Current Market Value shall
     have the meaning set forth in Section (1) above,  except that for  purposes
     hereof,  the date of exercise,  as used in such Section (1), shall mean the
     Exchange Date.

     3.   RESERVATION  OF  SHARES/FRACTIONAL  SHARES.  The Company hereby agrees
that at all times there shall be reserved  for  issuance  and/or  delivery  upon
exercise  of this  Warrant  such  number of  shares of Common  Stock as shall be
required for issuance and delivery upon exercise of this Warrant. If the Company
hereafter lists its Common Stock on any national securities exchange, the Nasdaq
National Market or the Nasdaq SmallCap Market,  it shall use its best efforts to
keep the Warrant  Stock  authorized  for listing on such exchange upon notice of
issuance. No fractional shares or script representing fractional shares shall be
issued upon the  exercise of this  Warrant.  With  respect to any  fraction of a

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share,  called for upon exercise hereof,  the Company shall pay to the Holder an
amount in cash equal to such fraction  multiplied by the Current Market Value of
a share of Warrant Stock.

     4.   EXCHANGE,  TRANSFER,  ASSIGNMENT OR LOSS OF WARRANT. This Warrant (and
all rights  hereunder) is exchangeable,  without  expense,  at the option of the
Holder,  upon  presentation and surrender hereof to the Company or at the office
of  its  stock  transfer   agent,  if  any,  for  other  Warrants  of  different
denominations  entitling the holder or any assignee and/or transferee thereof to
purchase in the aggregate the same number of shares of Common Stock  purchasable
hereunder. Upon surrender of this Warrant to the Company or at the office of its
stock  transfer  agent,  if any, with the  Assignment  Form annexed  hereto duly
executed  and funds  sufficient  to pay any  transfer  tax,  the Company  shall,
without  charge,  execute and deliver a new Warrant in the name of the  assignee
and/or  transferee named in such instrument of assignment and this Warrant shall
promptly  be  canceled.  This  Warrant  may be  divided or  combined  with other
Warrants which carry the same rights upon  presentation  hereof at the office of
the Company or at the office of its stock transfer agent, if any,  together with
a written notice  specifying the names and  denominations  in which new Warrants
are to be issued and signed by the Holder  hereof.  The term  "Warrant"  as used
herein  includes  any  Warrants  into  which  this  Warrant  may be  divided  or
exchanged.  Upon  receipt by the Company of evidence  satisfactory  to it of the
loss,  theft,  destruction  or mutilation  of this Warrant,  and (in the case of
loss, theft or destruction) of reasonably satisfactory indemnification, and upon
surrender  and  cancellation  of this Warrant,  if  mutilated,  the Company will
execute and deliver a new Warrant of like tenor.  Any such new Warrant  executed
and delivered shall constitute an additional  contractual obligation on the part
of the  Company,  whether or not this  Warrant so lost,  stolen,  destroyed,  or
mutilated shall be at any time enforceable by anyone.

     5.   RIGHTS OF THE HOLDER. The Holder shall not, by virtue of this Warrant,
be  entitled to any rights of a  stockholder  in the  Company,  either at law or
equity,  and the  rights of the Holder are  limited  to those  expressed  in the
Warrant and are not  enforceable  against  the Company  except to the extent set
forth herein.  In addition,  no provision  hereof, in the absence of affirmative
action by Holder to purchase shares of Common Stock,  and no enumeration  herein
of the rights or privileges of Holder  hereof,  shall give rise to any liability
of such Holder for the purchase price of any Common Stock or as a stockholder of
Company,  whether  such  liability  is  asserted by Company or by  creditors  of
Company.

     6.   ANTI-DILUTION PROVISIONS. The Exercise Price in effect at any time and
the number and kind of  securities  purchasable  upon  exercise of each  Warrant
shall be subject to adjustment as follows and the Company shall give each Holder
notice of any event  described  below which  requires an adjustment  pursuant to
this Section 6 at the time of such event:

          (a)  STOCK DIVIDENDS,  SUBDIVISIONS AND COMBINATIONS.  If, at any time
     or from time to time after the date of this Warrant,  the Company shall (i)
     pay a dividend or make a distribution to any holder of its capital stock in
     shares of Common Stock,  (ii)  subdivide its  outstanding  shares of Common
     Stock into a greater number of shares, (iii) combine its outstanding shares
     of  Common  Stock  into a  smaller  number  of  shares  or  (iv)  issue  by
     reclassification  of its Common  Stock any  shares of capital  stock of the
     Company,  the  Exercise  Price shall be adjusted to be equal to a fraction,
     the  numerator  of which  shall be the  Aggregate  Purchase  Price  and the

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     denominator of which shall be the number of shares of Common Stock or other
     capital  stock of the Company that the Holder would have owned  immediately
     following  such action had such Warrant been  exercised  immediately  prior
     thereto.  An adjustment  made pursuant to this  Subsection (a) shall become
     effective  immediately  after the record  date in the case of a dividend or
     distribution,  and shall become effective  immediately  after the effective
     date in the case of a  subdivision,  combination or  reclassification,  and
     shall  result  in a  corresponding  adjustment  to the  number of shares of
     Warrant Stock issuable upon exercise of this Warrant.

          (b)  CERTAIN OTHER  DISTRIBUTIONS AND ADJUSTMENTS.  If, at any time or
     from time to time after the date of this  Warrant,  the Company shall issue
     or  distribute  to any  holder of shares of Common  Stock  evidence  of its
     indebtedness,  any other securities of the Company or any cash, property or
     other assets (excluding a subdivision, combination or reclassification,  or
     dividend or distribution payable in shares of Common Stock,  referred to in
     Subsection  (a), and also excluding  cash  dividends or cash  distributions
     paid out of net  profits  legally  available  therefor  in the full  amount
     thereof  (any  such  non-excluded  event  being  herein  called a  "Special
     Dividend")),  the  Exercise  Price  shall be adjusted  by  multiplying  the
     Exercise  Price then in effect by a fraction,  the numerator of which shall
     be the then  Current  Market  Value in  effect on the  record  date of such
     issuance or  distribution  less the fair  market  value (as  determined  in
     accordance  with  paragraph  B. of this  Section 6 (g)) of the  evidence of
     indebtedness,  cash,  securities  or property,  or other  assets  issued or
     distributed  in such  Special  Dividend  applicable  to one share of Common
     Stock and the  denominator  of which shall be the then Current Market Value
     in  effect  on the  record  date  of  such  issuance  or  distribution.  An
     adjustment  made  pursuant to this  Subsection  (b) shall become  effective
     immediately  after the record date of any such  Special  Dividend and shall
     result in a  corresponding  adjustment  to the  number of shares of Warrant
     Stock issuable upon exercise of this Warrant.

          (c)  ISSUANCE OF  ADDITIONAL  SHARES OF COMMON  STOCK AND  CONVERTIBLE
     SECURITIES.

               (i)  If at any time the Company shall issue or sell any shares of
          Common  Stock  or  Convertible  Securities  (whether  directly  or  by
          assumption in a merger in which Company is the surviving corporation),
          in exchange for  consideration  in an amount per share of Common Stock
          (determined  by dividing  (i) the total  amount,  if any,  received or
          receivable by the Company in  consideration of the issuance or sale of
          such securities plus the total  consideration,  if any, payable to the
          Company  upon  exercise,   conversion  or  exchange   thereof  ("Total
          Consideration")  by (ii) the  number  of  additional  shares of Common
          Stock  issued,  sold or  issuable  upon the  exercise,  conversion  or
          exchange  of such  securities)  that is less than the  Exercise  Price
          (excluding Permitted Issuances),  then (A) the Exercise Price shall be
          adjusted so that it shall equal the price  determined  by  multiplying
          such Exercise Price by a fraction, the numerator of which shall be the
          number of shares of Common Stock  outstanding  on the date of issuance
          or sale  (calculated  on a fully  diluted  basis as if all  securities
          exercisable, convertible or exchangeable for Common Stock have been so
          exercised, converted or exchanged) plus the number of shares of Common
          Stock which the aggregate offering price would purchase based upon the
          Exercise  Price and the  denominator  of which  shall be the number of

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          shares of Common  Stock  outstanding  on the date of  issuance or sale
          (calculated on a fully diluted basis as if all securities exercisable,
          convertible or  exchangeable  for Common Stock have been so exercised,
          converted or exchanged)  plus the maximum number of additional  shares
          of Common  Stock  issued,  sold or  issuable in  connection  with such
          offering or transaction,  and (B) the number of shares of Common Stock
          for which this Warrant is  exercisable  shall be adjusted to equal the
          product   obtained  by  multiplying   the  Exercise  Price  in  effect
          immediately  prior to such  issue or sale by the  number  of shares of
          Common Stock for which this Warrant is exercisable  immediately  prior
          to such issue or sale and dividing the product thereof by the Exercise
          Price resulting from the adjustment made pursuant to clause (A) above.

               (ii) The  provisions  of paragraph (i) of this Section 6(c) shall
          not apply to any  issuance  of  shares  of  Common  Stock for which an
          adjustment  is provided  under  Section 6(a) or 6(b). No adjustment of
          the number of shares of Common Stock for which this  Warrant  shall be
          exercisable  shall be made under  paragraph  (i) of this  Section 6(c)
          upon the  issuance  of any  shares of Common  Stock  which are  issued
          pursuant to the  exercise of any  warrants  or other  subscription  or
          purchase  rights or pursuant  to the  exercise  of any  conversion  or
          exchange rights in any Convertible Securities,  if any such adjustment
          shall  previously have been made upon the issuance of such warrants or
          other rights or upon the issuance of such Convertible Securities.

          (d)  No adjustment in the Exercise Price shall be required unless such
     adjustment  would  require an  increase  or  decrease  of at least one cent
     ($0.01) in such price;  provided,  however,  that any adjustments  which by
     reason of this  Section  6(d) are not  required to be made shall be carried
     forward  and taken into  account in any  subsequent  adjustment;  provided,
     further,  however that adjustments shall be required and made in accordance
     with the  provisions  of this  Section 6 not later than such time as may be
     required in order to preserve the tax-free  nature of a distribution to the
     Holder of this Warrant or Common Stock  issuable upon the exercise  hereof.
     All calculations  under this Section 6(d) shall be made to the nearest cent
     or to the nearest one-hundredth of a share, as the case may be.

          (e)  The Company may retain a firm of independent  public  accountants
     of  recognized  standing  selected  by the  Board  (who may be the  regular
     accountants  employed by the Company) to make any  computation  required by
     this Section 6.

          (f)  In the event that at any time, as a result of an adjustment  made
     pursuant to Section  6(a),  (b) or (c) of this  Warrant,  the Holder of any
     Warrant  thereafter  shall  become  entitled  to receive  any shares of the
     Company,  other  than  Common  Stock,  thereafter  the number of such other
     shares so  receivable  upon  exercise  of any  Warrant  shall be subject to
     adjustment from time to time in a manner and on terms as nearly  equivalent
     as practicable to the provisions with respect to the Common Stock contained
     in Sections 6(a) through (h), inclusive, of this Warrant.

          (g)  For purposes of any computation respecting consideration received
     pursuant to this Section 6, the following shall apply:

               A.   in the case of the  issuance  of shares of Common  Stock for
          cash,  the  consideration  shall be the amount of such cash,  provided

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          that in no case  shall  any  deduction  be made  for any  commissions,
          discounts  or  other   expenses   incurred  by  the  Company  for  any
          underwriting of the issue or otherwise in connection therewith;

               B.   in the case of the  issuance of shares of Common Stock for a
          consideration  in whole or in part other than cash, the  consideration
          other than cash shall be deemed to be the fair market value thereof as
          determined  in good  faith by the Board of  Directors  of the  Company
          (irrespective   of   the   accounting   treatment   thereof),    whose
          determination shall be conclusive; and

               C.   in the  case  of the  issuance  of  securities  convertible,
          exchangeable or exercisable for shares of Common Stock,  the aggregate
          consideration   received   therefor   shall  be   deemed   to  be  the
          consideration  received  by the  Company  for  the  issuance  of  such
          securities plus the additional  minimum  consideration,  if any, to be
          received by the Company upon the  conversion or exchange  thereof (the
          consideration  in each  case to be  determined  in the same  manner as
          provided in clauses (A) and (B) of this Subsection).

          (h)  Notwithstanding  the foregoing,  no adjustment  shall be effected
     due to, or as a result of, any Permitted Issuances.

     7.   REGISTRATION  RIGHTS.  The  Warrant  Stock  shall be  entitled  to the
registration  rights  described in Section 8 of the Letter and subsequent to the
first closing,  in Section 5(b) the Placement Agent Agreement to be entered into
by Casimir L.P. and the Company.

     8.   OFFICER'S  CERTIFICATE.   Whenever  the  Exercise  Price(s)  shall  be
adjusted as required by the provisions of Section 6 of this Warrant, the Company
shall  forthwith file in the custody of its Secretary or an Assistant  Secretary
at its principal  office and with its stock transfer agent, if any, an officer's
certificate  showing the adjusted  Exercise  Price(s) and the adjusted number of
shares of Common Stock  issuable upon  exercise of each  Warrant,  determined as
herein  provided,  setting forth in reasonable  detail the facts  requiring such
adjustment,  including a statement of the number of additional  shares of Common
Stock, if any, and such other facts as shall be necessary to show the reason for
and the manner of computing such  adjustment.  Each such  officer's  certificate
shall be forwarded by certified mail to Holder as provided in Section 13

     9.   NOTICES  TO  WARRANT  HOLDERS.  So  long  as  this  Warrant  shall  be
outstanding,  (1) if the Company shall pay any dividend or make any distribution
upon Common  Stock,  or (2) if the Company  shall offer to the holders of Common
Stock for  subscription  or purchase by them any share of any class or any other
rights, or (3) if any capital reorganization of the Company, reclassification of
the capital stock of the Company, consolidation or merger of the Company with or
into another entity,  tender offer  transaction for the Company's  Common Stock,
sale, lease or transfer of all or  substantially  all of the property and assets
of the Company, or voluntary or involuntary dissolution,  liquidation or winding
up of the  Company  shall  be  effected,  or (4) if  the  Company  shall  file a
registration statement under the Securities Act of 1933, as amended (the "Act"),
on any form other  than on Form S-4 or S-8 or any  successor  form,  then in any
such case, the Company shall cause to be mailed by certified mail to the Holder,
at least  fifteen days prior to the date  specified in clauses (1),  (2), (3) or
(4),  as the  case  may be,  of  this  Section  9 a  notice  containing  a brief
description of the proposed action and stating the date on which (i) a record is

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to be taken for the purpose of such dividend,  distribution  or rights,  or (ii)
such  reclassification,  reorganization,  consolidation,  merger,  tender  offer
transaction,  conveyance,  lease,  dissolution,  liquidation or winding up is to
take  place and the  date,  if any is to be fixed,  as of which the  holders  of
Common  Stock  or  other   securities  shall  receive  cash  or  other  property
deliverable upon such reclassification,  reorganization,  consolidation, merger,
conveyance,  dissolution,  liquidation or winding up, or (iii) such registration
statement is to be filed with the Securities and Exchange Commission.

     10.  RECLASSIFICATION,   REORGANIZATION   OR   MERGER.   In   case  of  any
reclassification,  capital  reorganization or other change of outstanding shares
of Common Stock of the Company, or in case of any consolidation or merger of the
Company with or into another  corporation (other than a merger with a subsidiary
in which merger the Company is the continuing or surviving corporation and which
does not result in any reclassification,  capital reorganization or other change
of  outstanding  shares of Common Stock of the class  issuable  upon exercise of
this  Warrant)  or  in  case  of  any  sale,  lease  or  conveyance  of  all  or
substantially all of the assets of the Company,  or in the case of any statutory
exchange of securities with another corporation (including any exchange effected
in  connection  with a merger  of a third  corporation  into the  Company),  the
Company shall,  as a condition  precedent to such  transaction,  cause effective
provisions to be made so that (i) the Holder shall have the right  thereafter by
exercising this Warrant,  to purchase the kind and amount of shares of stock and
other  securities and property  receivable upon such  reclassification,  capital
reorganization  and other change,  consolidation,  merger,  sale,  conveyance or
statutory  exchange  by a holder of the number of shares of Common  Stock  which
could have been  purchased  upon exercise of this Warrant  immediately  prior to
such  reclassification,  change,  consolidation,  merger, sale,  conveyance,  or
statutory  exchange and (ii) the successor or acquiring  entity shall  expressly
assume  the  due and  punctual  observance  and  performance  of each  covenant,
agreement, obligation and condition of this Warrant to be performed and observed
by Company and all  obligations  and  liabilities  hereunder  (including but not
limited to the  provisions  of Section 6 regarding the increase in the number of
shares of Warrant Stock  potentially  issuable  hereunder).  Any such  provision
shall include  provision for adjustments  which shall be as nearly equivalent as
possible  to  the  adjustments  provided  for in  this  Warrant.  The  foregoing
provisions   of  this   Section   10  shall   similarly   apply  to   successive
reclassifications, capital reorganizations and changes of shares of Common Stock
and to successive  consolidations,  mergers, sales or conveyances.  In the event
that in connection  with any such capital  reorganization  or  reclassification,
consolidation, merger, sale, conveyance or statutory exchange, additional shares
of Common  Stock  shall be  issued  in  exchange,  conversion,  substitution  or
payment,  in whole in part,  for a security  of the  Company  other than  Common
Stock, any such issue shall be treated as an issuance of Common Stock covered by
the  provisions of Section 6 of this Warrant.  Notice of any such event shall be
mailed by certified mail to the Holders of the Warrants no less than thirty (30)
days prior to such event.  A sale of all or  substantially  all of the Company's
assets for a consideration  consisting primarily of securities shall be deemed a
consolidation or merger for the foregoing purposes.

     11.  TRANSFER TO COMPLY WITH THE  SECURITIES  ACT OF 1933.  This Warrant or
the Warrant Stock or any other security issued or issuable upon exercise of this
Warrant may not be sold or otherwise disposed of except as follows:

          (i)  to a person who, in the  opinion of counsel for the  Company,  or
     counsel for the Holder who is reasonably  acceptable  to the Company,  is a

                                       8
<PAGE>

     person to whom this  Warrant or Warrant  Stock may  legally be  transferred
     without registration and without the delivery of a current prospectus under
     the Act with respect  thereto and then only against receipt of an agreement
     of such  person to  comply  with the  provisions  of this  Section  11 with
     respect  to any  resale  or  other  disposition  of such  securities  which
     agreement  shall be  satisfactory  in form and substance to the Company and
     its counsel; or

          (ii) To any person upon  delivery  of a  prospectus  then  meeting the
     requirements  of the Act  relating  to  such  securities  and the  offering
     thereof for such sale or disposition.

          (iii) Notwithstanding (i) and (ii)  above,  The Company  approves  the
     transfer of this Warrant to affiliates of the Holders.

          (iv) The  registration  rights  contained in Section 7 of this Warrant
     may be assigned in full by a Holder in connection with the transfer of this
     Warrant or any other Warrant stock.

     12.  GOVERNING LAW; JURISDICTION.  The corporate laws of the State of Texas
shall govern all issues  concerning  the relative  rights of the Company and its
stockholders. All issues concerning the construction,  validity, enforcement and
interpretation  of this Warrant shall be governed by and construed in accordance
with the  internal  laws of the State of New York without  giving  effect to the
principles of conflicts of law thereof.  The parties  hereto agree that venue in
any and all  actions  and  proceedings  related  to the  subject  matter of this
Warrant shall be in the state and federal  courts in and for New York, New York,
which courts shall have exclusive jurisdiction for such purpose, and the parties
hereto  irrevocably  submit to the  exclusive  jurisdiction  of such  courts and
irrevocably waive the defense of an inconvenient forum to the maintenance of any
such  action  or  proceeding.  Service  of  process  may be made  in any  manner
recognized  by such  courts.  This  Warrant  and any term hereof may be changed,
waived,  discharged or terminated only by an instrument in writing signed by the
party against which enforcement of the change, waiver,  discharge or termination
is sought.

     13.  NOTICES.  Any and all notices or other  communications  or  deliveries
required or permitted to be provided  hereunder shall be in writing and shall be
deemed given and effective on the earliest of (i) the date of  transmission,  if
such  notice or  communication  is  delivered  VIA  facsimile  at the  facsimile
telephone  number  specified in this Section  prior to 6:30 p.m.  (New York City
time) on a Business Day,  (ii) the Business Day after the date of  transmission,
if such notice or  communication  is delivered  VIA  facsimile at the  facsimile
telephone number specified in this Agreement later than 6:30 p.m. (New York City
time) on any date and earlier than 11:59 p.m. (New York City time) on such date,
(iii) the  Business Day  following  the date of mailing,  if sent by  nationally
recognized  overnight courier service,  or (iv) upon actual receipt by the party
to whom such notice is required  to be given.  The address for such  notices and
communications shall be as follows:

          If to the Company:  National Scientific Corporation
                              Scottsdale Technology Center
                              14455 North Hayden Road, Suite 202
                              Scottsdale, AZ  85260-6497

          If to the Holder:   To the Address Set Forth on the cover page hereof.

                                       9
<PAGE>

     14.  MODIFICATION   OF  WARRANT.   This  Warrant  shall  not  be  modified,
supplemented or altered in any respect,  nor any provision  waived,  except with
the consent in writing of the Holders  representing  not less than fifty percent
(50%) of the Warrants then outstanding.

     15.  PAYMENT OF TAXES.  The Company  will pay all  documentary  stamp taxes
attributable  to the issuance of shares of Common Stock  underlying this Warrant
upon exercise of this Warrant; provided,  however, that the Company shall not be
required to pay any tax which may be payable in respect of any transfer involved
in the  registration of any  certificate  for shares of Common Stock  underlying
this Warrant in a name other that of the Holder.  The Holder is responsible  for
all other tax  liability  that may arise as a result of holding or  transferring
this Warrant or receiving  shares of Common Stock  underlying  this Warrant upon
exercise hereof.

     IN WITNESS  WHEREOF,  this Warrant has been duly executed as of February 9,
2004.

                                        NATIONAL SCIENTIFIC CORPORATION

                                        By:
                                            ----------------------------------
                                            Michael A. Grollman
                                            Chairman and Chief Executive Officer

ATTEST:

-------------------------------------
Secretary

[CORPORATE SEAL]

                                       10
<PAGE>

                               SUBSCRIPTION (CASH)

     The undersigned,  ____________________________,  pursuant to the provisions
of  the  foregoing  Warrant,   hereby  agrees  to  subscribe  for  and  purchase
___________________  shares of the Common Stock,  par value $_____ per share, of
______________________  covered by said Warrant,  and makes payment  therefor in
full at the price per share provided by said Warrant.

Dated: ________________________          Signature:  ___________________________

                                CASHLESS EXERCISE

     The undersigned,  ____________________________,  pursuant to the provisions
of  the   foregoing   Warrant,   hereby  agrees  to  exchange  its  Warrant  for
___________________  shares of the Common Stock,  par value $_____ per share, of
______________________  pursuant  to the  Cashless  Exercise  provisions  of the
Warrant.

Dated: ________________________          Signature:  ___________________________

                                         Address:    ___________________________

                                       11
<PAGE>

                                   ASSIGNMENT

     FOR VALUE RECEIVED  ___________________ hereby sells, assigns and transfers
unto  ________________________  the foregoing  Warrant and all rights  evidenced
thereby,  and  does  irrevocably  constitute  and  appoint  ___________________,
attorney, to transfer said Warrant on the books of _________________________.

Dated: ________________________          Signature:  ___________________________

                                         Address:    ___________________________

                               PARTIAL ASSIGNMENT

     FOR VALUE RECEIVED  ___________________ hereby sells, assigns and transfers
unto  ________________________  the  right to  purchase  ____________  shares of
Common Stock, par value $_____ per share of _________________________ covered by
the foregoing  Warrant,  and a proportionate part of said Warrant and the rights
evidenced    thereby,    and   does    irrevocably    constitute   and   appoint
___________________,  attorney,  to  transfer  such part of said  Warrant on the
books of _________________________.

Dated: ________________________          Signature:  ___________________________

                                         Address:    ___________________________

                                       12EXHIBIT 4.5

THIS WARRANT AND THE COMMON  SHARES  ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE
NOT BEEN REGISTERED  UNDER THE SECURITIES ACT OF 1933, AS AMENDED.  THIS WARRANT
AND THE COMMON  SHARES  ISSUABLE  UPON EXERCISE OF THIS WARRANT MAY NOT BE SOLD,
OFFERED  FOR SALE,  PLEDGED  OR  HYPOTHECATED  IN THE  ABSENCE  OF AN  EFFECTIVE
REGISTRATION  STATEMENT  UNDER  SAID ACT OR AN  OPINION  OF  COUNSEL  REASONABLY
SATISFACTORY TO NATIONAL  SCIENTIFIC  CORPORATION THAT SUCH  REGISTRATION IS NOT
REQUIRED.

                       Right  to  Purchase  640,000  shares  of  Common Stock of
                       National Scientific Corporation (subject to adjustment as
                       provided herein)

                      FORM OF COMMON STOCK PURCHASE WARRANT

No. 2004-JAN-001                                     Issue Date: January 6, 2004

     NATIONAL SCIENTIFIC CORPORATION,  a corporation organized under the laws of
the State of Texas (the  "Company"),  hereby certifies that, for value received,
STRATEGIC  WORKING  CAPITAL FUND, LP, 55 Harristown  Road,  Glen Rock, NJ 07452,
telecopier:  (201) 701-0260 (the "Holder"), or its assigns, is entitled, subject
to the terms set forth  below,  to purchase  from the Company from and after the
Issue Date and at any time or from time to time before 5:00 p.m., New York time,
through three (3) years after such date (the "Expiration  Date"),  up to 640,000
fully paid and  nonassessable  shares of Common Stock (as hereinafter  defined),
$.01 par value per share,  of the Company at a per share  purchase price of $.13
for years 1 and 2, and $.15 for year 3. The  aforedescribed  purchase  price per
share, as adjusted from time to time as herein  provided,  is referred to herein
as the "Purchase Price". The number and character of such shares of Common Stock
and the Purchase Price are subject to adjustment as provided herein. The Company
may reduce the  Purchase  Price  without the consent of the Holder.  Capitalized
terms used and not otherwise defined herein shall have the meanings set forth in
that certain subscription agreement (the "Subscription Agreement"),  dated at or
about January ___, 2004, between the Company and the Holder.

     As used herein the following terms,  unless the context otherwise requires,
have the following respective meanings:

     (a)  The term "Company" shall include National  Scientific  Corporation and
any  corporation  which  shall  succeed or assume the  obligations  of  National
Scientific Corporation hereunder.

     (b)  The term "Common Stock" includes (a) the Company's Common Stock,  $.01
par value per share,  as authorized on the date of the  Subscription  Agreement,
(b) any other capital stock of any class or classes (however  designated) of the
Company,  authorized on or after such date,  the holders of which shall have the
right,  without  limitation  as to  amount,  either  to all or to a share of the
balance of current  dividends  and  liquidating  dividends  after the payment of
dividends  and  distributions  on any shares  entitled  to  preference,  and the
holders of which shall ordinarily, in the absence of contingencies,  be entitled
to vote for the election of a majority of directors of the Company  (even if the
right so to vote has been suspended by the happening of such a contingency)  and
(c) any other securities into which or for which any of the securities described
in  (a)  or  (b)  may  be  converted   or  exchanged   pursuant  to  a  plan  of
recapitalization, reorganization, merger, sale of assets or otherwise.

                                       1
<PAGE>

     (c)  The term  "Other  Securities"  refers to any stock  (other than Common
Stock) and other  securities  of the Company or any other person  (corporate  or
otherwise)  which the holder of the  Warrant at any time  shall be  entitled  to
receive,  or shall have received,  on the exercise of the Warrant, in lieu of or
in  addition  to Common  Stock,  or which at any time shall be issuable or shall
have been  issued in exchange  for or in  replacement  of Common  Stock or Other
Securities pursuant to Section 4 or otherwise.

     1.   EXERCISE OF WARRANT.

          1.1. NUMBER OF SHARES ISSUABLE UPON EXERCISE. From and after the Issue
Date through and  including  the  Expiration  Date,  the Holder  hereof shall be
entitled to receive,  upon exercise of this Warrant in whole in accordance  with
the  terms  of  subsection  1.2 or  upon  exercise  of this  Warrant  in part in
accordance with  subsection 1.3, shares of Common Stock of the Company,  subject
to adjustment pursuant to Section 4.

          1.2. FULL  EXERCISE.  This  Warrant  may be  exercised  in full by the
Holder  hereof by  delivery  of an  original  or  facsimile  copy of the form of
subscription  attached  as  Exhibit  A hereto  (the  "Subscription  Form")  duly
executed by such Holder and surrender of the original  Warrant  within seven (7)
days of exercise, to the Company at its principal office or at the office of its
Warrant Agent (as provided  hereinafter),  accompanied by payment, in cash, wire
transfer  or by  certified  or official  bank check  payable to the order of the
Company,  in the amount  obtained by multiplying  the number of shares of Common
Stock for which this Warrant is then  exercisable  by the Purchase Price then in
effect.

          1.3. PARTIAL EXERCISE.  This Warrant may be exercised in part (but not
for a  fractional  share) by  surrender of this Warrant in the manner and at the
place provided in subsection 1.2 except that the amount payable by the Holder on
such partial exercise shall be the amount obtained by multiplying (a) the number
of whole shares of Common  Stock  designated  by the Holder in the  Subscription
Form by (b) the Purchase Price then in effect. On any such partial exercise, the
Company,  at its expense,  will forthwith issue and deliver to or upon the order
of the  Holder  hereof a new  Warrant of like  tenor,  in the name of the Holder
hereof or as such Holder (upon payment by such Holder of any applicable transfer
taxes) may  request,  the whole  number of shares of Common Stock for which such
Warrant may still be exercised.

          1.4. FAIR MARKET  VALUE.  Fair Market Value of a share of Common Stock
as of a particular date (the "Determination Date") shall mean:

               (a)  If the Company's Common Stock is traded on an exchange or is
quoted  on the  National  Association  of  Securities  Dealers,  Inc.  Automated
Quotation  ("NASDAQ")  National Market System, the NASDAQ SmallCap Market or the
American  Stock   Exchange,   Inc.,   then  the  closing  or  last  sale  price,
respectively,  reported for the last  business  day  immediately  preceding  the
Determination Date;

               (b)  If the  Company's  Common Stock is not traded on an exchange
or on the NASDAQ  National  Market  System,  the NASDAQ  SmallCap  Market or the
American Stock  Exchange,  Inc., but is traded in the  over-the-counter  market,
then  the  average  of the  closing  bid and ask  prices  reported  for the last
business day immediately preceding the Determination Date;

               (c)  Except as  provided  in clause (d) below,  if the  Company's
Common Stock is not publicly  traded,  then as the Holder and the Company agree,
or in the absence of such an agreement,  by arbitration  in accordance  with the

                                       2
<PAGE>

rules then  standing of the American  Arbitration  Association,  before a single
arbitrator  to be chosen  from a panel of persons  qualified  by  education  and
training to pass on the matter to be decided; or

               (d)  If the  Determination  Date is the  date  of a  liquidation,
dissolution or winding up, or any event deemed to be a liquidation,  dissolution
or winding up pursuant to the Company's charter,  then all amounts to be payable
per share to holders of the Common Stock pursuant to the charter in the event of
such  liquidation,  dissolution  or  winding  up,  plus all other  amounts to be
payable  per share in  respect  of the  Common  Stock in  liquidation  under the
charter,  assuming for the purposes of this clause (d) that all of the shares of
Common Stock then issuable upon exercise of all of the Warrants are  outstanding
at the Determination Date.

          1.5. COMPANY  ACKNOWLEDGMENT.  The  Company  will,  at the time of the
exercise of the Warrant,  upon the request of the Holder hereof  acknowledge  in
writing its  continuing  obligation to afford to such Holder any rights to which
such Holder shall continue to be entitled after such exercise in accordance with
the  provisions  of this  Warrant.  If the  Holder  shall  fail to make any such
request,  such failure shall not affect the continuing obligation of the Company
to afford to such Holder any such rights.

          1.6. TRUSTEE  FOR WARRANT  HOLDERS.  In the event that a bank or trust
company  shall have been  appointed  as trustee  for the Holder of the  Warrants
pursuant to Subsection 3.2, such bank or trust company shall have all the powers
and duties of a warrant agent (as  hereinafter  described) and shall accept,  in
its own name for the account of the Company or such  successor  person as may be
entitled  thereto,  all  amounts  otherwise  payable  to  the  Company  or  such
successor,  as the case may be, on  exercise  of this  Warrant  pursuant to this
Section 1.

     2.   DELIVERY OF STOCK CERTIFICATES,  ETC. ON EXERCISE.  The Company agrees
that the shares of Common Stock purchased upon exercise of this Warrant shall be
deemed to be issued to the Holder  hereof as the record  owner of such shares as
of the close of  business  on the date on which  this  Warrant  shall  have been
surrendered  and  payment  made  for  such  shares  as  aforesaid.  As  soon  as
practicable  after the exercise of this  Warrant in full or in part,  and in any
event  within five (5) days  thereafter  ("Delivery  Date"),  the Company at its
expense  (including the payment by it of any applicable  issue taxes) will cause
to be issued  in the name of and  delivered  to the  Holder  hereof,  or as such
Holder (upon payment by such Holder of any applicable transfer taxes) may direct
in compliance with applicable securities laws, a certificate or certificates for
the number of duly and validly issued,  fully paid and  nonassessable  shares of
Common  Stock (or Other  Securities)  to which such Holder  shall be entitled on
such exercise,  plus, in lieu of any fractional share to which such Holder would
otherwise be entitled,  cash equal to such fraction  multiplied by the then Fair
Market Value of one full share of Common Stock, together with any other stock or
other securities and property  (including cash, where  applicable) to which such
Holder is entitled upon such exercise pursuant to Section 1 or otherwise.

     3.   ADJUSTMENT FOR REORGANIZATION, CONSOLIDATION, MERGER, ETC.

          3.1. REORGANIZATION,  CONSOLIDATION,  MERGER, ETC. In case at any time
or from  time to time,  the  Company  shall  (a)  effect a  reorganization,  (b)
consolidate  with  or  merge  into  any  other  person  or (c)  transfer  all or
substantially all of its properties or assets to any other person under any plan
or arrangement  contemplating the dissolution of the Company, then, in each such
case,  as a condition  to the  consummation  of such a  transaction,  proper and
adequate  provision  shall be made by the  Company  whereby  the  Holder of this

                                       3
<PAGE>

Warrant,  on the exercise hereof as provided in Section 1, at any time after the
consummation of such  reorganization,  consolidation  or merger or the effective
date of such  dissolution,  as the case may be,  shall  receive,  in lieu of the
Common  Stock (or Other  Securities)  issuable  on such  exercise  prior to such
consummation or such effective date, the stock and other securities and property
(including  cash) to which  such  Holder  would  have  been  entitled  upon such
consummation or in connection with such dissolution, as the case may be, if such
Holder had so exercised this Warrant,  immediately prior thereto, all subject to
further adjustment thereafter as provided in Section 4.

          3.2. DISSOLUTION.  In the  event  of any  dissolution  of the  Company
following the transfer of all or substantially  all of its properties or assets,
the Company, prior to such dissolution, shall at its expense deliver or cause to
be delivered the stock and other securities and property  (including cash, where
applicable) receivable by the Holder of the Warrants after the effective date of
such  dissolution  pursuant  to this  Section  3 to a bank or trust  company  (a
"Trustee")  having its  principal  office in New York,  NY, as  trustee  for the
Holder of the Warrants.

          3.3. CONTINUATION OF TERMS.  Upon any  reorganization,  consolidation,
merger or transfer (and any dissolution  following any transfer)  referred to in
this  Section 3, this  Warrant  shall  continue in full force and effect and the
terms hereof shall be applicable to the Other Securities and property receivable
on the exercise of this Warrant after the  consummation of such  reorganization,
consolidation or merger or the effective date of dissolution  following any such
transfer,  as the case may be, and shall be binding upon the issuer of any Other
Securities,  including,  in the case of any such transfer,  the person acquiring
all or substantially all of the properties or assets of the Company,  whether or
not such  person  shall  have  expressly  assumed  the terms of this  Warrant as
provided in Section 4. In the event this Warrant does not continue in full force
and effect after the  consummation of the transaction  described in this Section
3, then only in such event will the Company's securities and property (including
cash, where applicable) receivable by the Holder of the Warrants be delivered to
the Trustee as contemplated by Section 3.2.

          3.4  SHARE ISSUANCE. If the Company, during the Outstanding Period (as
defined in the Subscription  Agreement),  shall issue any shares of Common Stock
except for the Excepted  Issuances  (as defined in the  Subscription  Agreement)
prior to the complete exercise of this Warrant for a consideration less than the
Purchase  Price that  would be in effect at the time of such  issue,  then,  and
thereafter  successively  upon each such  issue,  the  Purchase  Price  shall be
reduced  as  follows:  (i) the  number of shares  of  Common  Stock  outstanding
immediately  prior to such issue shall be  multiplied  by the Purchase  Price in
effect at the time of such issue and the product shall be added to the aggregate
consideration,  if any,  received by the Company  upon such issue of  additional
shares of Common  Stock;  and (ii) the sum so  obtained  shall be divided by the
number of shares of Common Stock  outstanding  immediately after such issue. The
resulting  quotient shall be the adjusted  Purchase Price.  For purposes of this
adjustment,  the issuance of any  security of the Company  carrying the right to
convert such  security  into shares of Common Stock or of any warrant,  right or
option to purchase  Common Stock shall result in an  adjustment  to the Purchase
Price  upon the  issuance  of shares  of  Common  Stock  upon  exercise  of such
conversion or purchase rights.  The reduction of the Purchase Price described in
this Section 3.4 is in addition to the other  rights of the Holder  described in
the Subscription Agreement.

     4.   EXTRAORDINARY  EVENTS  REGARDING  COMMON STOCK.  In the event that the
Company shall (a) issue  additional  shares of the Common Stock as a dividend or

                                       4
<PAGE>

other  distribution on outstanding  Common Stock,  (b) subdivide its outstanding
shares of Common  Stock,  or (c)  combine its  outstanding  shares of the Common
Stock into a smaller  number of shares of the Common  Stock,  then, in each such
event,  the Purchase  Price  shall,  simultaneously  with the  happening of such
event,  be adjusted by multiplying  the then Purchase  Price by a fraction,  the
numerator  of which  shall be the number of shares of Common  Stock  outstanding
immediately prior to such event and the denominator of which shall be the number
of shares of Common  Stock  outstanding  immediately  after such event,  and the
product so obtained shall  thereafter be the Purchase Price then in effect.  The
Purchase Price, as so adjusted,  shall be readjusted in the same manner upon the
happening of any successive  event or events described herein in this Section 4.
The  number of shares of Common  Stock  that the  Holder of this  Warrant  shall
thereafter,  on the  exercise  hereof as  provided  in Section 1, be entitled to
receive shall be adjusted to a number  determined by  multiplying  the number of
shares of Common  Stock that would  otherwise  (but for the  provisions  of this
Section 4) be issuable on such exercise by a fraction of which (a) the numerator
is the  Purchase  Price that would  otherwise  (but for the  provisions  of this
Section 4) be in effect, and (b) the denominator is the Purchase Price in effect
on the date of such exercise.

     5.   CERTIFICATE  AS TO  ADJUSTMENTS.  In each  case of any  adjustment  or
readjustment in the shares of Common Stock (or Other Securities) issuable on the
exercise of the  Warrants,  the Company at its expense will  promptly  cause its
Chief Financial Officer or other appropriate designee to compute such adjustment
or  readjustment  in  accordance  with the terms of the  Warrant  and  prepare a
certificate  setting forth such adjustment or readjustment and showing in detail
the facts upon which such  adjustment  or  readjustment  is based,  including  a
statement of (a) the consideration received or receivable by the Company for any
additional shares of Common Stock (or Other Securities) issued or sold or deemed
to have been issued or sold,  (b) the number of shares of Common Stock (or Other
Securities) outstanding or deemed to be outstanding,  and (c) the Purchase Price
and the number of shares of Common  Stock to be received  upon  exercise of this
Warrant,  in effect  immediately prior to such adjustment or readjustment and as
adjusted or readjusted as provided in this Warrant.  The Company will  forthwith
mail a copy of each  such  certificate  to the  Holder  of the  Warrant  and any
Warrant Agent of the Company (appointed pursuant to Section 11 hereof).

     6.   RESERVATION OF STOCK, ETC. ISSUABLE ON EXERCISE OF WARRANT;  FINANCIAL
STATEMENTS. The Company will at all times reserve and keep available, solely for
issuance  and  delivery on the  exercise of the  Warrants,  all shares of Common
Stock (or Other  Securities)  from time to time  issuable on the exercise of the
Warrant.  This  Warrant  entitles  the Holder  hereof to  receive  copies of all
financial and other information distributed or required to be distributed to the
holders of the Company's Common Stock.

     7.   ASSIGNMENT; EXCHANGE OF WARRANT. Subject to compliance with applicable
securities  laws,  this  Warrant,  and  the  rights  evidenced  hereby,  may  be
transferred by any registered holder hereof (a "Transferor") with respect to any
or all of the shares of Common  Stock.  On the  surrender  for  exchange of this
Warrant,  with the  Transferor's  endorsement  in the form of Exhibit B attached
hereto (the "Transferor Endorsement Form") and together with evidence reasonably
satisfactory to the Company demonstrating  compliance with applicable securities
laws,  the Company at its  expense,  but with payment by the  Transferor  of any
applicable  transfer  taxes,  will  issue and  deliver to or on the order of the
Transferor  thereof a new Warrant or Warrants of like tenor,  in the name of the
Transferor  and/or the  transferee(s)  specified in such Transferor  Endorsement
Form  (each a  "Transferee"),  calling  in the  aggregate  on the  face or faces
thereof for the number of shares of Common Stock called for on the face or faces
of the Warrant so surrendered by the Transferor.

                                       5
<PAGE>

     8.   REPLACEMENT OF WARRANT. On receipt of evidence reasonably satisfactory
to the Company of the loss,  theft,  destruction  or  mutilation of this Warrant
and, in the case of any such loss,  theft or  destruction  of this  Warrant,  on
delivery of an indemnity agreement or security  reasonably  satisfactory in form
and amount to the Company or, in the case of any such  mutilation,  on surrender
and  cancellation  of this Warrant,  the Company at its expense will execute and
deliver, in lieu thereof, a new Warrant of like tenor.

     9.   REGISTRATION  RIGHTS.  The  Holder of this  Warrant  has been  granted
certain  registration  rights by the Company.  These registration rights are set
forth in the Subscription Agreement. The terms of the Subscription Agreement are
incorporated herein by this reference. Upon the occurrence of a Non-Registration
Event, or in the event the Company is unable to issue Common Stock upon exercise
of this Warrant that has been registered in a Registration  Statement  described
in Section 10 of the Subscription  Agreement,  within the time periods described
in the Subscription  Agreement,  which Registration  Statement must be effective
for the  periods  set forth in the  Subscription  Agreement,  then upon  written
demand made by the Holder,  the Company will pay to the Holder of this  Warrant,
in lieu of  delivering  Common  Stock,  a sum equal to the closing  price of the
Company's Common Stock on the principal market or exchange upon which the Common
Stock is listed for trading on the trading date  immediately  preceding the date
notice is given by the Holder, less the Purchase Price, for each share of Common
Stock designated in such notice from the Holder.

     10.  MAXIMUM  EXERCISE.  The Holder shall not be entitled to exercise  this
Warrant on an exercise date in  connection  with that number of shares of Common
Stock  which would be in excess of the sum of (i) the number of shares of Common
Stock  beneficially  owned by the Holder and its affiliates on an exercise date,
and (ii) the number of shares of Common Stock issuable upon the exercise of this
Warrant with respect to which the determination of this limitation is being made
on an exercise  date,  which would result in beneficial  ownership by the Holder
and its affiliates of more than 9.99% of the outstanding  shares of Common Stock
on such date. For the purposes of the immediately preceding sentence, beneficial
ownership shall be determined in accordance with Section 13(d) of the Securities
Exchange Act of 1934, as amended,  and Regulation 13d-3  thereunder.  Subject to
the  foregoing,  the Holder  shall not be limited to aggregate  exercises  which
would result in the issuance of more than 9.99%.  The  restriction  described in
this  paragraph  may be revoked upon  sixty-one  (61) days prior notice from the
Holder to the  Company.  The  Holder  may  allocate  which of the  equity of the
Company deemed  beneficially  owned by the  Subscriber  shall be included in the
9.99%  amount  described  above and which shall be allocated to the excess above
9.99%.

     11.  WARRANT AGENT. The Company may, by written notice to the Holder of the
Warrant,  appoint an agent (a "Warrant Agent") for the purpose of issuing Common
Stock (or Other  Securities) on the exercise of this Warrant pursuant to Section
1,  exchanging  this Warrant  pursuant to Section 7, and replacing  this Warrant
pursuant  to  Section  8,  or any of the  foregoing,  and  thereafter  any  such
issuance,  exchange or  replacement,  as the case may be,  shall be made at such
office by such Warrant Agent.

     12.  TRANSFER ON THE COMPANY'S BOOKS.  Until this Warrant is transferred on
the books of the Company,  the Company may treat the registered holder hereof as
the absolute  owner hereof for all purposes,  notwithstanding  any notice to the
contrary.

     13.  NOTICES. All notices,  demands,  requests,  consents,  approvals,  and
other  communications  required or permitted  hereunder shall be in writing and,
unless  otherwise  specified  herein,  shall  be  (i)  personally  served,  (ii)

                                       6
<PAGE>

deposited  in the mail,  registered  or  certified,  return  receipt  requested,
postage  prepaid,  (iii) delivered by reputable air courier service with charges
prepaid, or (iv) transmitted by hand delivery, telegram, or facsimile, addressed
as set forth below or to such other  address as such party shall have  specified
most recently by written notice. Any notice or other  communication  required or
permitted to be given hereunder shall be deemed effective (a) upon hand delivery
or  delivery  by  facsimile,   with  accurate  confirmation   generated  by  the
transmitting  facsimile  machine,  at the address or number designated below (if
delivered on a business day during normal business hours where such notice is to
be received),  or the first  business day following  such delivery (if delivered
other than on a business day during normal  business  hours where such notice is
to be received) or (b) on the second  business day following the date of mailing
by express courier service,  fully prepaid,  addressed to such address,  or upon
actual receipt of such mailing,  whichever shall first occur.  The addresses for
such  communications  shall be: (i) if to the  Company to:  National  Scientific
Corporation,  14455 N. Hayden, Suite 202, Scottsdale, AZ 85260-6947,  telecopier
number: (480) 483-8893 948-8324, with a copy by telecopier only to: Susan Regan,
Esq., 14455 N. Hayden, Suite 202, Scottsdale, AZ 85260-6947,  telecopier:  (480)
483-8893, and (ii) if to the Holder, to the address and telecopier number listed
on the first  paragraph  of this  Warrant,  with a copy by  telecopier  only to:
Grushko & Mittman, P.C., 551 Fifth Avenue, Suite 1601, New York, New York 10176,
telecopier number: (212) 697-3575.

     14.  MISCELLANEOUS.  This  Warrant  and any  term  hereof  may be  changed,
waived,  discharged or terminated only by an instrument in writing signed by the
party against which enforcement of such change, waiver, discharge or termination
is sought.  This Warrant shall be construed and enforced in accordance  with and
governed by the laws of New York. Any dispute  relating to this Warrant shall be
adjudicated  in New York County in the State of New York.  The  headings in this
Warrant are for  purposes of  reference  only,  and shall not limit or otherwise
affect  any of the terms  hereof.  The  invalidity  or  unenforceability  of any
provision  hereof shall in no way affect the validity or  enforceability  of any
other provision.

     IN WITNESS  WHEREOF,  the Company has executed  this Warrant as of the date
first written above.

                                              NATIONAL SCIENTIFIC CORPORATION

                                              By:
                                                  ------------------------------
                                                  Name:
                                                  Title:

Witness:

---------------------------------

                                       7
<PAGE>

                                    EXHIBIT A

                              FORM OF SUBSCRIPTION
                   (To be signed only on exercise of Warrant)

TO:  NATIONAL SCIENTIFIC CORPORATION.

The undersigned,  the holder of the within Warrant, hereby irrevocably elects to
exercise  this  Warrant for, and to purchase  thereunder,  __________  shares of
Common Stock of National  Scientific  Corporation  and herewith makes payment of
$_______ therefor,  and requests that the certificates for such shares be issued
in the name of, and delivered to ________________________________  whose address
is ____________________________________________________________________________.

The  undersigned  represents  and  warrants  that all  offers  and  sales by the
undersigned of the securities issuable upon exercise of the within Warrant shall
be made pursuant to registration of the Common Stock under the Securities Act of
1933,  as amended  (the  "Securities  Act") or  pursuant  to an  exemption  from
registration under the Securities Act.

Dated: ___________________

                                       -----------------------------------------
                                       (Signature must conform to name of holder
                                       as specified on the face of the Warrant)

                                       -----------------------------------------
                                       (Address)

                                       8
<PAGE>

                                    EXHIBIT B

                         FORM OF TRANSFEROR ENDORSEMENT
                   (To be signed only on transfer of Warrant)

     For value received,  the undersigned hereby sells,  assigns,  and transfers
unto the  person(s)  named  below  under  the  heading  "Transferees"  the right
represented  by the within  Warrant to  purchase  the  percentage  and number of
shares of Common Stock of NATIONAL  SCIENTIFIC  CORPORATION  to which the within
Warrant  relates  specified  under the  headings  "Percentage  Transferred"  and
"Number Transferred,"  respectively,  opposite the name(s) of such person(s) and
appoints each such person Attorney to transfer its respective right on the books
of  NATIONAL  SCIENTIFIC  CORPORATION  with full  power of  substitution  in the
premises.

------------------------- ---------------------------- -------------------------
TRANSFEREES                  PERCENTAGE TRANSFERRED        NUMBER TRANSFERRED
------------------------- ---------------------------- -------------------------

------------------------- ---------------------------- -------------------------

------------------------- ---------------------------- -------------------------

------------------------- ---------------------------- -------------------------

Dated:  ______________, _____
                                    --------------------------------------------
                                    (Signature must conform to name of holder as
                                    specified on the face of the warrant)

Signed in the presence of:

----------------------------------  --------------------------------------------
              (Name)
                                    --------------------------------------------
                                                     (address)
ACCEPTED AND AGREED:
[TRANSFEREE]
                                    --------------------------------------------

                                    --------------------------------------------
                                                     (address)
----------------------------------
              (Name)

                                       9

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