C20H16N2O4
348.4 g/mol
APIDanger
Camptothecin
CAS7689-03-4
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Camptothecin is a naturally occurring alkaloid that functions as a topoisomerase inhibitor. It was first isolated in 1966 and is used as a pharmaceutical raw material for research and manufacturing.
pharmaceutical raw material for topoisomerase inhibition researchlaboratory reagent for cancer research
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.80
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SimilarStructure SimilarSimilarity 0.76
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pharmaceutical raw material
ReferenceSame Category
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ReferenceSame Category
Phenolphthaleina
CAS77-09-8
pharmaceutical raw material
Referencesame scaffold
Chimmitecan
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Referencesame scaffold
Belotecan hydrochloride
CAS213819-48-8
pharmaceutical raw material
Safety Reference
Danger
H301Toxic if swallowed
H340May cause genetic defects
Customs Tariff Classification
The international HS code for Camptothecin (CAS 7689-03-4) is 2939.79.
HS code (international, 6-digit)
2939.79
EU CN code (8-digit)
2939 79 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(19S)-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaene-14,18-dione
InChIKey
VSJKWCGYPAHWDS-FQEVSTJZSA-N
SMILES
CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=CC=CC=C5N=C4C3=C2)O
Synonyms (35)
- AC-202
- GR-301
- Camptothecin; Irinotecan EP Impurity D
- (S)-(+)-Camptothecin
- (s)-camptothecine
- 20(S)-Camptothecin
- 20(S)-Camptothecine
- AB00052452-08
- AB00052452-09
- C 9911
- CAS-2114454
- Campathecin
- Camptothecine
- Camptothecine (8CI)
- Camptothecine (S,+)
- Lopac-C-9911
- SDCCGMLS-0066688.P001
- SDCCGSBI-0050329.P003
- Tocris-1100
- camptothecin
- d-Camptothecin
- d-camptothecine
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