C19H26O2
286.4 g/mol
Pharmaceutical IntermediateDanger
Androstenedione
CAS63-05-8EC200-554-5
Category
Pharmaceutical Intermediate
Compound Class
Steroid
Primary Use
Pharmaceutical Intermediate
Androstenedione is an endogenous weak androgen steroid hormone and a key intermediate in the biosynthesis of estrone and testosterone from dehydroepiandrosterone (DHEA). It is closely related to androstenediol and is produced naturally in the body.
Pharmaceutical intermediate for steroid hormone synthesisResearch reagent for biochemical studies of androgen biosynthesis
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 63-05-8
Related Compounds
ApplicationSame Use
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
L-tert-Leucine methyl ester hydrochloride
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pharmaceutical intermediate
ReferenceSame Category
(1R,2S)-2-Phenylcyclopropan-1-amine (2R,3R)-2,3-dihydroxysuccinate
CAS63038-64-2
pharmaceutical intermediate
Referencestereoisomer of
4-ANDROSTEN-3,17-DIONE-2,2,4,6,6,16,16-D7
CAS67034-85-9
research compound
Safety Reference
Danger
H302Harmful if swallowed
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Androstenedione (CAS 63-05-8) 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
(8R,9S,10R,13S,14S)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione
InChIKey
AEMFNILZOJDQLW-QAGGRKNESA-N
SMILES
C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CCC4=O)C
Synonyms (43)
- Exemestane Impurity 5; Testosterone EP Impurity A
- 17-Ketotestosterone
- 3,17-Dioxoandrost-4-ene
- 4-ANDENDION
- 4-Androsten-3,17-dione
- 4-Androstene-3,17-dione
- 4-Androstenedione
- ANDROSTENEDIONE [MART.]
- Andro
- Androst-4-en-3,17-dione, 2
- Androst-4-ene-3,17-dione
- Androsten-3,17-dione
- Androstendione
- Androstendione degrees
- Androstenedione (JAN)
- Androtex
- D4-Androstene-3,17-dione
- DELTA4-Androstene-3,17-dione
- Fecundin
- TESTOSTERONE IMPURITY A
- Therapeutic Androstenedione
- [4-14C]-androstenedione
- adione
- androst-4-en-3,17-dione
- androstenedione
- delta 4 Androstenedione
- delta-4-Androsten-3,17-dione