C26H34O7
458.5 g/mol
APIDanger
Cinobufotalin
CAS1108-68-5EC634-568-1
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Cinobufotalin is a chemical compound derived from the venom of toads of the genus Bufo, used as an ingredient in traditional Chinese medicine. It is a key component of HuaChanSu, a preparation believed to slow the spread of cancerous cells when injected into affected areas.
pharmaceutical raw material for traditional Chinese medicine preparationsresearch compound for cancer cell studies
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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Safety Reference
Danger
H300Fatal if swallowed
H310Fatal in contact with skin
H330Fatal if inhaled
Customs Tariff Classification
The international HS code for Cinobufotalin (CAS 1108-68-5) is 2932.20.
HS code (international, 6-digit)
2932.20
EU CN code (8-digit)
2932 20 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
[(1R,2S,4R,5R,6R,7R,10S,11R,14S,16S)-14,16-dihydroxy-7,11-dimethyl-6-(6-oxopyran-3-yl)-3-oxapentacyclo[8.8.0.02,4.02,7.011,16]octadecan-5-yl] acetate
InChIKey
KBKUJJFDSHBPPA-ZNCGZLKOSA-N
SMILES
CC(=O)O[C@@H]1[C@@H]([C@]2(CC[C@H]3[C@H]([C@@]24[C@@H]1O4)CC[C@]5([C@@]3(CC[C@@H](C5)O)C)O)C)C6=COC(=O)C=C6
Synonyms (14)
- Cinobufagin metabolite m-2
- Cinobufotalin
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