Ethinylestradiol impurity 3

cas: 4717-38-8 — see every product listed under this CAS number, including other names

Ethinylestradiol impurity 3 (CAS 4717-38-8) is a chemical reagent available from Chemat. Available pack sizes: Get quote. Offered by: MedChemExpress.

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(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 (CAS 4717-38-8) is a chemical compound with the molecular formula C20H24O2 and a molecular weight of 296.4 g/mol. 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.

Identity
Molecular formulaC20H24O2
Molecular weight296.4 g/mol
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
InChIKeyBFPYWIDHMRZLRN-SWBPCFCJSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@]2(C#C)O)CCC4=C3C=CC(=C4)O

Computed by PubChem (NCBI)

Synonyms: 17beta-ethinylestradiol, 17-epi-Ethynylestradiol, 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 17.beta.-ethinyl estradiol, ETHINYLESTRADIOL IMPURITY A [EP IMPURITY], ETHINYLESTRADIOL IMPURITY A (EP IMPURITY), 17beta-ethinyl estradiol, 17-epi-Ethynyl Estradiol, Ethinylestradiol EP Impurity A, 17?-Ethynylestradiol
Related forms of this compound
(8R,9S,13S,14S,17R)-2,4,16,16-tetradeuterio-17-ethynyl-13-methyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-diol C20H24O2
(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol C20H24O2
(8R,9S,13S,14S,17R)-2,4,16,16-tetradeuterio-17-(1,2-13C2)ethynyl-13-methyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-diol C20H24O2
Isomers (same molecular formula)
4-[1-(4-hydroxy-3-methylphenyl)cyclohexyl]-2-methylphenol C20H24O2
4-(4-heptylphenyl)benzoic acid C20H24O2
(8S,10S,13S,14S,16R)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthrene-3,17-dione C20H24O2
(8R,9S,10R,13S,14S)-10,13-dimethyl-16-methylidene-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-dione C20H24O2
(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-1,2,8,9,10,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one C20H24O2
(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione C20H24O2
1-methoxy-4-[(E)-4-(4-methoxyphenyl)hex-3-en-3-yl]benzene C20H24O2
(8S,10S,13S,14S,16S)-10,13,16-trimethyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthrene-3,17-dione C20H24O2
1-methoxy-4-[(E)-4-(4-methoxyphenyl)hex-3-en-3-yl]benzene C20H24O2

Also listed as

Ethinylestradiol EP Impurity A (17-epi Ethynyl Estradiol) Chemat Brand CAS 4717-38-8
Ethinylestradiol Impurity 1（Ethinylestradiol EP Impurity A） Hubei YoungXin CAS 4717-38-8
17-epi-Ethynyl Estradiol, >95% (HPLC) TRC CAS 4717-38-8
17-epi-Ethynyl estradiol Biosynth CAS 4717-38-8
17-epi-Ethynyl estradiol, min. 95 %, 1 mg Roth CAS 4717-38-8
17-epi-Ethynyl estradiol, min. 95 %, 2 mg Roth CAS 4717-38-8
17-epi-Ethynyl estradiol, min. 95 %, 5 mg Roth CAS 4717-38-8
17-epi-Ethynyl estradiol, min. 95 %, 10 mg Roth CAS 4717-38-8
17-epi-Ethynyl estradiol, min. 95 %, 25 mg Roth CAS 4717-38-8

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