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Home/Compounds/API/17β-ethinylestradiol
C20H24O2
296.4 g/mol
API

17beta-ethinylestradiol

CAS4717-38-8
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material

17beta-ethinylestradiol is a synthetic derivative of estradiol, the major female sex hormone. It is used as an active pharmaceutical ingredient in the manufacturing of hormonal medications.

active pharmaceutical ingredientraw material for hormonal pharmaceutical manufacturing

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 0.73

2-methyl-ethinylestradiol

CAS3240-39-9

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Nuciferine

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Referencestereoisomer of

Ethinylestradiol

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Identifiers
IUPAC Name

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

InChIKey

BFPYWIDHMRZLRN-SWBPCFCJSA-N

SMILES

C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@]2(C#C)O)CCC4=C3C=CC(=C4)O

Synonyms (15)
  • 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol; 17-epi-Ethynylestradiol; 17a-Estradiol, 17-ethynyl-; 17ss-Ethynylestradiol; 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol (17ss-Ethinylestradiol); Ethinylestradiol Imp. A (EP)
  • ETHINYLESTRADIOL IMPURITY A (EP IMPURITY)
  • Ethinylestradiol EP Impurity A
  • (+)-17.BETA.-ETHYNYLESTRADIOL
  • 17-Ethynyl-17?-estradiol
  • 17-epi-Ethynylestradiol
  • 17?-Ethynylestradiol
  • 17beta-ethinylestradiol
  • ETHINYLESTRADIOL IMPURITY A
  • etinylestradiol