<TABLE> <S> <C>

<ARTICLE> 5
<CIK> 0000704292
<NAME> CAMBRIDGE BIOTECH CORP
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   9-MOS                   6-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1995             DEC-31-1995
<PERIOD-END>                               SEP-30-1995             JUN-30-1995             MAR-31-1995
<CASH>                                       6,152,000               6,115,000               6,694,000
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                3,692,000               3,632,000               3,298,000
<ALLOWANCES>                                 (188,000)               (166,000)               (149,000)
<INVENTORY>                                  4,101,000               3,881,000               3,743,000
<CURRENT-ASSETS>                            15,144,000              14,697,000              14,785,000
<PP&E>                                      25,111,000              24,999,000              24,943,000
<DEPRECIATION>                            (17,525,000)            (16,699,000)            (15,809,000)
<TOTAL-ASSETS>                              24,285,000              24,877,000              25,948,000
<CURRENT-LIABILITIES>                        8,272,000               7,662,000               7,437,000
<BONDS>                                      4,022,000               4,023,000               4,024,000
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                       261,000                 261,000                 261,000
<OTHER-SE>                                   3,369,000               4,515,000               5,726,000
<TOTAL-LIABILITY-AND-EQUITY>                24,285,000              24,877,000              25,948,000
<SALES>                                     14,745,000               9,287,000               4,210,000
<TOTAL-REVENUES>                            19,854,000              12,545,000               5,848,000
<CGS>                                       12,074,000               8,059,000               4,159,000
<TOTAL-COSTS>                               12,074,000               8,059,000               4,159,000
<OTHER-EXPENSES>                            12,489,000               8,207,000               4,259,000
<LOSS-PROVISION>                                14,000                   8,000                   2,000
<INTEREST-EXPENSE>                              11,000                   9,000                   5,000
<INCOME-PRETAX>                            (5,078,000)             (3,934,000)             (2,702,000)
<INCOME-TAX>                                     3,000                   2,000                   1,000
<INCOME-CONTINUING>                        (5,086,000)             (3,940,000)             (2,705,000)
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                               (5,086,000)             (3,940,000)             (2,705,000)
<EPS-PRIMARY>                                   (0.20)                  (0.15)                  (0.10)
<EPS-DILUTED>                                   (0.20)                  (0.15)                  (0.10)
        

</TABLE>