C28H35NO3
433.6 g/mol
APIWarning
Ulipristal
CAS159811-51-5
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material
Ulipristal is a synthetic steroid compound used as an active pharmaceutical ingredient in manufacturing. It is a pentacyclic molecule containing alcohol and amine functional groups, with a molecular weight of 433.
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 0.76
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SimilarStructure SimilarSimilarity 0.73
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Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H361Suspected of damaging fertility or the unborn child
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for Ulipristal (CAS 159811-51-5) is 2937.29.
HS code (international, 6-digit)
2937.29
EU CN code (8-digit)
2937 29 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
(8S,11R,13S,14S,17R)-17-acetyl-11-[4-(dimethylamino)phenyl]-17-hydroxy-13-methyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
InChIKey
HKDLNTKNLJPAIY-WKWWZUSTSA-N
SMILES
CC(=O)[C@]1(CC[C@@H]2[C@@]1(C[C@@H](C3=C4CCC(=O)C=C4CC[C@@H]23)C5=CC=C(C=C5)N(C)C)C)O
Synonyms (20)
- Ulipristal (USAN/INN)
- CDB-3236;Deacetyl CDB-2914
- Deacetyl CDB-2914
- Uliprisnil
- Ulipristal
- Ulipristal Impurity 15
- Ulipristal acetate ulipristal
- ellae
- ulipristalum
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