2-Methyl Ethynyl Estradiol

cas: 3240-39-9 — see every product listed under this CAS number, including other names

2-Methyl Ethynyl Estradiol (CAS 3240-39-9) is a chemical reagent available from Chemat. Available pack sizes: 10mg, 5mg. Offered by: TRC.

brandTRC
catalog numberTRC-M304975-10MG
cas3240-39-9
size10mg
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Structural formula: {0} (CAS {1})

(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 (CAS 3240-39-9) is a chemical compound with the molecular formula C21H26O2 and a molecular weight of 310.4 g/mol. 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.

Identity
Molecular formulaC21H26O2
Molecular weight310.4 g/mol
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
InChIKeyQFPDNXSOEMFRPX-OKSLILNBSA-N
SMILESCC1=CC2=C(CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C)C=C1O

Computed by PubChem (NCBI)

Synonyms: 2-Methyl-ethinylestradiol, 2-Methyl Ethynyl Estradiol, Ethinylestradiol EP Impurity M, 2-Methyl-ethinyl estradiol, Ethinyl Estradiol Impurity M, 17-alpha-Ethinyl-2-methyl-8-alpha-estradiol, 17-alpha-Ethinyl-2-methyl-8-alpha-E(sub 2), 17-alpha-Ethinyl-2-methyl-8-alpha-estra-1,3,5(10)-triene-3,17-beta-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
Isomers (same molecular formula)
(8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14-decahydrocyclopenta[a]phenanthren-3-one C21H26O2
4-[1-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexyl]phenol C21H26O2
(1R,2R,4R,10R,11S,14S,16S,18S,19S)-10,14-dimethylhexacyclo[9.8.0.02,4.05,10.014,19.016,18]nonadec-5-ene-7,15-dione C21H26O2
(9S,10S,13R,17S)-17-acetyl-10,13-dimethyl-1,2,9,11,12,15,16,17-octahydrocyclopenta[a]phenanthren-3-one C21H26O2
(8R,9S,13S,14S,17R)-17-ethynyl-4,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol C21H26O2
(8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,8,9,10,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one C21H26O2
(8S,10S,13S,14S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,12,14,15-octahydrocyclopenta[a]phenanthren-3-one C21H26O2
(8S,9S,13S,14S,17R)-17-ethynyl-4,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-1,17-diol C21H26O2
(8R,9S,10R,13S,14S,17R)-2,2,4,6,6,10-hexadeuterio-13-ethyl-17-ethynyl-17-hydroxy-7,8,9,11,12,14-hexahydro-1H-cyclopenta[a]phenanthren-3-one C21H26O2
(8S,13S,14S,17R)-17-hydroxy-13-methyl-17-prop-2-enyl-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-3-one C21H26O2
(8R,9S,13S,14S,17R)-17-ethynyl-1,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol C21H26O2
(8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol C21H26O2

Also listed as

Ethinylestradiol EP Impurity M (2-Methyl-Ethinylestradiol) Chemat Brand CAS 3240-39-9
Ethinylestradiol EP Impurity M Chemat Brand CAS 3240-39-9
Ethinylestradiol Impurity 13（Ethinylestradiol EP Impurity M） Hubei YoungXin CAS 3240-39-9