C31H38O11
586.6 g/mol
APIDanger
Baccatin III
CAS27548-93-2EC636-675-9
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Baccatin III is a tetracyclic diterpenoid isolated from yew trees of the genus Taxus. It is used as a precursor in the manufacturing of paclitaxel, a pharmaceutical intermediate.
precursor for paclitaxel synthesispharmaceutical intermediate
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
StrongStructure SimilarSimilarity 0.86
10-deacetylbaccatin III
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SimilarStructure SimilarSimilarity 0.79
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Safety Reference
Danger
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H350May cause cancer
Customs Tariff Classification
The international HS code for Baccatin III (CAS 27548-93-2) is 2932.99.
HS code (international, 6-digit)
2932.99
EU CN code (8-digit)
2932 99 00
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
[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-1,9,15-trihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate
InChIKey
OVMSOCFBDVBLFW-VHLOTGQHSA-N
SMILES
CC1=C2[C@H](C(=O)[C@@]3([C@H](C[C@@H]4[C@]([C@H]3[C@@H]([C@@](C2(C)C)(C[C@@H]1O)O)OC(=O)C5=CC=CC=C5)(CO4)OC(=O)C)O)C)OC(=O)C
Synonyms (20)
- Paclitaxel EP Impurity N
- BACCATINE III
- Baccatin III
- Baccatin III (Standard)
- Baccatin III, >=95% (HPLC)
- PACLITAXEL IMPURITY N
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