Cas no 3240-39-9 (2-Methyl Ethynyl Estradiol)

2-Methyl Ethynyl Estradiol structure
2-Methyl Ethynyl Estradiol structure
Product Name:2-Methyl Ethynyl Estradiol
CAS No:3240-39-9
MF:C21H26O2
MW:310.429946422577
CID:1061805
PubChem ID:13991395
Update Time:2025-04-20

2-Methyl Ethynyl Estradiol Chemical and Physical Properties

Names and Identifiers

    • 2-Methyl Ethynyl Estradiol
    • (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 Ethynyl Est
    • Ethinylestradiol
    • UNII-YD0T6YEK7D
    • 17-alpha-Ethinyl-2-methyl-8-alpha-E(sub 2)
    • RC89451000
    • 2-Methyl-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol
    • 2-Methyl-19-nor-8-alpha,17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol
    • YD0T6YEK7D
    • 17-alpha-Ethinyl-2-methyl-8-alpha-estra-1,3,5(10)-triene-3,17-beta-diol
    • 2-Methyl-ethinylestradiol
    • 17-alpha-Ethinyl-2-methyl-8-alpha-estradiol
    • Ethinylestradiol impurity M [EP]
    • CHEMBL1627958
    • Ethinyl Estradiol Impurity M
    • 3240-39-9
    • 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl-, (17alpha)-
    • 2-METHYL-19-NOR-17.ALPHA.-PREGNA-1,3,5(10)-TRIEN-20-YNE-3,17-DIOL
    • ETHINYLESTRADIOL IMPURITY M [EP IMPURITY]
    • 2-Methyl-ethinyl estradiol
    • 2-Methyl Ethinyl Estradiol
    • DTXSID40186115
    • NIOSH/RC8945100
    • Q27294465
    • (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)
    • 19-NORPREGNA-1,3,5(10)-TRIEN-20-YNE-3,17-DIOL, 2-METHYL-, (17.ALPHA.)-
    • 19-Nor-8-alpha,17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl-
    • Inchi： 1S/C21H26O2/c1-4-21(23)10-8-18-16-6-5-14-12-19(22)13(2)11-17(14)15(16)7-9-20(18,21)3/h1,11-12,15-16,18,22-23H,5-10H2,2-3H3/t15-,16+,18-,20-,21-/m0/s1
    • InChI Key： QFPDNXSOEMFRPX-OKSLILNBSA-N
    • SMILES： O[C@@]1(C#C)CC[C@H]2[C@@H]3CCC4C=C(C(C)=CC=4[C@H]3CC[C@@]21C)O

Computed Properties

  • Exact Mass: 310.19300
  • Monoisotopic Mass: 310.193280068g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 23
  • Rotatable Bond Count: 1
  • Complexity: 533
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 5
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 4
  • Topological Polar Surface Area: 40.5?2

Experimental Properties

  • PSA: 40.46000
  • LogP: 3.92100

2-Methyl Ethynyl Estradiol Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
TRC
M304975-2mg
2-Methyl Ethynyl Estradiol
 3240-39-9
2mg
 $110.00 2023-05-17
TRC
M304975-5mg
2-Methyl Ethynyl Estradiol
 3240-39-9
5mg
 $ 184.00 2023-09-07
TRC
M304975-10mg
2-Methyl Ethynyl Estradiol
 3240-39-9
10mg
 $ 345.00 2023-09-07
TRC
M304975-25mg
2-Methyl Ethynyl Estradiol
 3240-39-9
25mg
 $827.00 2023-05-17
TRC
M304975-50mg
2-Methyl Ethynyl Estradiol
 3240-39-9
50mg
 $1453.00 2023-05-17
A2B Chem LLC
AF72344-100mg
2-Methyl Ethynyl Estradiol
 3240-39-9 97%
100mg
 $1224.00 2024-04-20

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