Chemical Compound

2-Methyl-ethinylestradiol

CAS Registry Number 3240-39-9
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2-Methyl-ethinylestradiol chemical structure
Primary Record

2-Methyl-ethinylestradiol

In stock
1,256 g
Purity
99.4 %
CAS
3240-39-9

Compound Identifiers & Properties

CAS
3240-39-9
PubChem CID
13991395
SMILES
CC1=CC2=C(CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C)C=C1O
Canonical SMILES
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)c(C)cc4[C@H]3CC[C@@]21C

Names & Synonyms

  • 2-Methyl-ethinylestradiol
  • 2-Methyl Ethynyl Estradiol
  • 2-Methyl-ethinyl estradiol
  • UNII-YD0T6YEK7D
  • Ethinyl Estradiol Impurity M
  • YD0T6YEK7D
  • 2-Methyl Ethinyl Estradiol
  • Ethinylestradiol EP Impurity M
  • 3240-39-9
  • NIOSH/RC8945100
  • Ethinylestradiol impurity M [EP]
  • CHEMBL1627958
  • DTXSID40186115
  • ZINC27651231
  • RC89451000
  • 17-alpha-Ethinyl-2-methyl-8-alpha-estradiol
  • 17-alpha-Ethinyl-2-methyl-8-alpha-E(sub 2)
  • ETHINYLESTRADIOL IMPURITY M [EP IMPURITY]
  • Q27294465
  • (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
  • 2-Methyl-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol
  • 17-alpha-Ethinyl-2-methyl-8-alpha-estra-1,3,5(10)-triene-3,17-beta-diol
  • 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl-, (17alpha)-
  • (17)-2-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol
  • 19-Nor-8-alpha,17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl-
  • 2-Methyl-19-nor-8-alpha,17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol
  • (17|A)-2-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol
  • 2-Methyl-17alpha-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol
  • 2-Methyl-19-nor-17|A-pregna-1,3,5(10)-trien-20-yne-3,17-diol
  • 19-NORPREGNA-1,3,5(10)-TRIEN-20-YNE-3,17-DIOL, 2-METHYL-, (17.ALPHA.)-
  • 2-METHYL-19-NOR-17.ALPHA.-PREGNA-1,3,5(10)-TRIEN-20-YNE-3,17-DIOL
  • (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)
  • (8R,9S,13S,14S,17R)-17-Ethynyl-2,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol