C21H28O2
312.4 g/mol
APIDanger
Ethisterone
CAS434-03-7EC207-096-5
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material
Ethisterone, also known as ethinyltestosterone, is a progestin medication that was formerly used for gynecological disorders and taken orally. It is no longer commercially available.
progestin medication for gynecological disorders
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 0.72
Methyltestosterone
CAS58-18-4
pharmaceutical raw material
ReferenceSame Category
Methenolone acetate
CAS434-05-9
pharmaceutical raw material
ReferenceSame Category
Oxymetholone
CAS434-07-1
pharmaceutical raw material
ReferenceSame Category
Nandrolone
CAS434-22-0
pharmaceutical raw material
ReferenceSame Category
(EZ)-dacarbazine
CAS4342-03-4
pharmaceutical raw material
Safety Reference
Danger
H360May damage fertility or the unborn child
Customs Tariff Classification
The international HS code for Ethisterone (CAS 434-03-7) 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
(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
InChIKey
CHNXZKVNWQUJIB-CEGNMAFCSA-N
SMILES
C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C
Synonyms (50)
- Ethisteronum [INN-Latin]
- Etisterona [INN-Spanish]
- 17-Ethinyltestosterone
- 17-Ethynyltestosterone;
- 17alpha-Ethinyltestosterone
- 17alpha-Ethynyltestosterone
- Aethisteron
- Aethisteronum
- Anhydrohydroxyprogesterone
- Anhydroxyprogesterone
- ETHISTERONE [MART.]
- Ethinone
- Ethinyl testosterone
- Ethisterone, >=99% (HPLC)
- Ethisterone, VETRANAL(TM)
- Ethisteronum
- Ethnyltestosterone;
- Ethynyltestosterone
- Etisterona
- Etisterone
- Nugestoral
- Ora-Lutin
- Praegninum
- Pranone
- Pregneninolone
- Pregnin
- Prodroxan
- Produxan
- Progestab
- Progestolets
- Progestoral
- Syngestrotabs
- Trosinone
- ethisterone
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