C23H32O3
356.5 g/mol
Pharmaceutical IntermediateDanger
16-Dehydropregnenolone acetate
CAS979-02-2EC213-558-7
Category
Pharmaceutical Intermediate
Compound Class
Steroid
Primary Use
Pharmaceutical Intermediate
16-Dehydropregnenolone acetate (16-DPA) is a chemical compound used as a key intermediate in the semi-synthesis of various steroid compounds. It serves as a convenient building block that can be derived from readily available materials and subsequently modified to produce a range of target steroids.
intermediate for steroid synthesisbuilding block in semi-synthetic steroid production
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 0.73
Abiraterone Impurity N1
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ReferenceSame Category
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Referencesame scaffold
Pregnenolone-16-ene Acetate 21-Triflate
CAS2484719-08-4
pharmaceutical intermediate
Safety Reference
Danger
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H373May cause damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 16-Dehydropregnenolone acetate (CAS 979-02-2) is 2915.39.
HS code (international, 6-digit)
2915.39
EU CN code (8-digit)
2915 39 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
[(3S,8R,9S,10R,13S,14S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate
InChIKey
MZWRIOUCMXPLKV-RFOVXIPZSA-N
SMILES
CC(=O)C1=CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)OC(=O)C)C)C
Synonyms (30)
- 16-DPA
- 16-Dehydropregnenlone acetate
- Abiraterone Impurity 26
- Dehydropregnenolone acetate
- Pregnadienolone Acetate
- Pregnenolone Impurity 2
- Pregnenolone-16-Ene Acetate
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