CROPR (Derwent Crop Protection Registry)
SubjectCoverage• Compounds which have appeared at least twice in the Derwent Crop Protection File.

File Type

Factual, SubstanceFeatures

Thesaurus

NoneAlerts (SDIs)

Not available

CAS Registry
Number® IdentifiersPage Images

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Learning Database

Structures

RecordContent• Derwent crop registry and crop protection names, substructure codes, and Enzyme
Commission Numbers• Compounds selected can then be cross-file searched in the CROPU file in order tofind all the bibliographic information and abstracts.

File Size• 11,651 substance records

Coverage

1985-2002

Updates

Closed file

Language

English

Database
Producer

Clarivate
Friars House, 160 Black Friars Rd.
London SE1 8EZ
United Kingdom
Copyright Holder: Clarivate

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CROPRSources• 1,100 scientific journals and conference proceedings• Patents (from 1996 onwards)

User Aids• Online Helps (HELP DIRECTORY lists all help messages available)• STN Guide

Cluster

None

RelatedDatabases

CROPU

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CROPR

Search and Display Field Codes
There are no fields that allow left truncation in this file.

General Search Fields
Search Field NameSearch
CodeDisplay
Codes

Search Examples

Basic Index (contains single
words from controlled term (CT),
Derwent crop registry (DCRN)
and crop protection names(DPCN), substructure terms(SS) and Enzyme Commission
Numbers (EC) fields)

Noneor/BI

S INSECT ANTIFEEDANT#S SENKIRKIN

CT, DCRN,
DCN, SS

Accession Number
Controlled Term(pharmacology terms)
Derwent Crop Protection Name
Derwent Crop Registry Name (1)Entry Date (2)

/AN
/CT

S 7196/AN
S INSECT-GROWTH-REGULATORS/CT

AN
CT/DCPN/DCRN/ED(/UP)/EC/MPC

S SENKIRKINE/DCPNS SENKIRKIN/DCRN
S L10 AND ED>JUNE 1995

DCPN
DCRN
not displayed

S EC-3.2.1.14/EC
S 052 06- 07-/MPC
S 02- *G/MPC
S PHENOL-ETHER/SSCT
MPC

Enzyme Commission Number
Multipunch Codes(limited by roles) (3)Substructure Term/SSSS(1) For file crossover to the bibliographic file CROPU, SELECT DCRN and search the resulting E-number(s) in CROPU.
(2) Numeric search field that may be searched using numeric operators or ranges.
(3) Search with implied (L) proximity is available in this field. There are 4 roles to limit the search for codes: G General Chemical Codes,
P Peptide Codes, PI Physical and Inorganic Codes, S Steroid Codes.

DISPLAY and PRINT Formats
Any combination of formats may be used to display or print answers. Multiple codes must be separated byspaces or commas, e.g., D L1 1-5 TI AU. The fields are displayed or printed in the order requested.
Hit-term highlighting is available for all fields. Highlighting must be ON during SEARCH to use the HIT, KWIC,and OCC formats.
FormatContentExamples

ANCT
DCPN
DCRN
EC
MPC
SSAccession Number
Controlled Term
Derwent Crop Protection Name
Derwent Crop Registry Name
Enzyme Commission Number
Multipunch Code
Substructure Term

DIS AND CT
D DCPND DCRN
D EC
D MPC
D SS

ALL
IALL
IND
TRIAL (TRI, SAM)

AN, DCRN, DCPN, CT, SS, MPC (ALL is the default)
AN, DCRN, DCPN, CT, SS, MPC
AN, CT, SS, MPC
AN, SSD ALL
D IALL
D IND
D TRIAL

HIT
KWIC
OCC

Hit term(s) and field(s)Hit term(s) plus 20 words before and after hit term(s) (KeyWord-In-Context)
Number of occurrences of hit term(s) and field(s) in which they occur

D HIT
D KWICD OCC

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SELECT, ANALYZE, and SORT Fields
The SELECT command is used to create E-numbers containing terms taken from the specified field in ananswer set.
The ANALYZE command is used to create an L-number containing terms taken from the specified field in ananswer set.
The SORT command is used to rearrange the search results in either alphabetic or numeric order of thespecified field(s).
Field Name

Field CodeAccession Number
Controlled Term
Derwent Crop Protection Name
Derwent Crop Registry Name
Enzyme Commission Number
Multipunch CodeOccurrence Count of Hit Terms
Substructure Term

ANCT
DCPN
DCRNECMPCOCCSS

ANALYZE/SELECT (1)YYYYYYNYSORTNYYYYNYN(1) HIT may be used to restrict terms extracted to terms that match the search expression used to create the answer set,e.g., SEL HIT CT.

Sample Records
DISPLAY ALL
AN
8743 CROPRDCRN PEZIZAOSTDCPN PEZIZA-OSTRACODERMACT
BIOL.CONTROL-AGENTS; BIOFUNGICIDES; PEZIZALES; ASCOMYCOTINA
MPC
013 *GDISPLAY IALLACCESSION NUMBER:9219 CROPR
DERWENT CROP REGISTRY NAME: PIRIMICARDERWENT CROP NAME:PIRIMICARBCONTROLLED TERM:INSECTICIDES; FUMIGANTS; SYSTEMICS;
ANTICHOLINESTERASESSUBSTRUCTURE TERM:CARBAMATE; PYRIMIDINE; GUANIDINE,CYCLIC; IMIDATE
MULTIPUNCH CODE:
02& *G; 06& *G; 063 *G; 07- *G; 072 *G; 083 *G; 10*G; 103 *G; 105 *G; 106 *G; 107 *G; 12& *G; 12- *G;
122 *G; 19- *G; 196 *G; 24- *G; 242 *G; 243 *G; 247*G; 26- *G
DISPLAY INDAN10159 CROPRCT
EXTENDERS; TRIAL-PREP.
SS
AMINE; POLYOLEFIN; ACYCLIC
MPC
11& *G; 110 *G; 115 *G; 12& *G; 123 *G; 13& *G; 134 *G; 140 *G; 15& *G;
151 *G; 192 *G
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August 2023

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