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Home/Compounds/API/2-methyl-ethinylestradiol
C21H26O2
310.4 g/mol
API

2-Methyl-ethinylestradiol

CAS3240-39-9
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material

2-Methyl-ethinylestradiol is a steroidal compound with an ethynyl group and a methyl-substituted aromatic ring, characterized by two alcohol functional groups. It is an active pharmaceutical ingredient, primarily of interest as a raw material for pharmaceutical manufacturing and research.

Pharmaceutical raw materialResearch compound for steroidal chemistry studies

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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Identifiers
IUPAC Name

(8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

InChIKey

QFPDNXSOEMFRPX-OKSLILNBSA-N

SMILES

CC1=CC2=C(CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C)C=C1O

Synonyms (15)
  • (17a)-2-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol; 19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl- (7CI); 2-Methyl-19-nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol (2-Methyl-ethinylestradiol); 2-Methyl Ethynyl Estradiol; Ethinylestradiol Imp M (EP)
  • Ethinylestradiol EP Impurity M
  • 2-Methyl Ethynyl Estradiol
  • 2-Methyl-ethinylestradiol
  • Ethinyl Estradiol Impurity M