C32H47F5O3S
606.8 g/mol
APIDanger
Fulvestrant
CAS129453-61-8EC642-998-6
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material
Fulvestrant is a steroidal compound derived from 17beta-estradiol, modified with a nonyl group and a pentafluoropentylsulfinyl substituent. It functions as an estrogen receptor antagonist and is used in pharmaceutical manufacturing as an active pharmaceutical ingredient.
Pharmaceutical raw material for hormone-sensitive breast cancer therapiesEstrogen receptor antagonist compound
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 1.00
(8R,9S,13S,14S,17S)-13-methyl-7-(9-(9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonylsulfinyl)nonyl)-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta(a)phenanthrene-3,17-diol
CAS2482852-42-4
research compound
SimilarStructure SimilarSimilarity 0.77
(7a,17b)-7-[9-[(4,4,5,5,5-Pentafluoropentyl)thio]nonyl]-estra-1,3,5(10)-triene-3,17-diol
CAS153004-31-0
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.75
Fulvestrant sulfone
CAS98008-06-1
pharmaceutical raw material
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ReferenceSame Category
Glucosamine sulfate potassium chloride
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pharmaceutical raw material
ReferenceSame Category
Glucosamine sulfate sodium chloride
CAS1296149-13-7
pharmaceutical raw material
Referencestereoisomer of
7β-fulvestrant
CAS407577-53-1
pharmaceutical raw material
Safety Reference
Danger
H302Harmful if swallowed
H319Causes serious eye irritation
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for Fulvestrant (CAS 129453-61-8) is 2937.23.
HS code (international, 6-digit)
2937.23
EU CN code (8-digit)
2937 23 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
(7R,8R,9S,13S,14S,17S)-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
InChIKey
VWUXBMIQPBEWFH-WCCTWKNTSA-N
SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)[C@@H](CC4=C3C=CC(=C4)O)CCCCCCCCCS(=O)CCCC(C(F)(F)F)(F)F
Synonyms (47)
- Fulvestrant (JAN/USP/INN)
- Fulvestrant for system suitability, European Pharmacopoeia (EP)
- Fulvestrant, European Pharmacopoeia (EP)
- Fulvestrant, United States Pharmacopeia (USP)
- FULVESTRANT [MART.]
- Faslodex
- Faslodex (TN)
- Faslodex(ICI 182,780)
- Fluvestrant
- Fulvestrant
- Fulvestrant (Faslodex)
- Fulvestrant (Standard)
- Fulvestrant CRS
- Fulvestrant R enantiomer
- Fulvestrant S enantiomer
- Fulvestrant, >98% (HPLC)
- ICI 182,780
- ICI 182,780 (Fulvestrant)
- fulvestrantum
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