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4-Methyl Ethynyl Estradiol

CAS No.
155683-61-7
Chemical Name:
4-Methyl Ethynyl Estradiol
Synonyms
Ethinylestradiol EP Imp K;4-Methyl-ethinylestradiol;4-Methyl Ethynyl Estradiol;4-METHYL-17-ETHYNYL ESTRADIOL;Ethinylestradiol EP Impurity K;(17α)-4-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol;Ethinylestradiol Impurity 11(Ethinylestradiol EP Impurity K);19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 4-methyl-, (17α)- (9CI);(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;(8R,9S,13S,14S,17R)-17-Ethynyl-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (Ethinylestradiol Impurity)
CBNumber:
CB32551174
Molecular Formula:
C21H26O2
Molecular Weight:
310.43
MDL Number:
MOL File:
155683-61-7.mol
Last updated:2023-05-15 10:43:51

4-Methyl Ethynyl Estradiol Properties

Boiling point 465.2±45.0 °C(Predicted)
Density 1.19±0.1 g/cm3(Predicted)
solubility Chloroform (Slightly), Dioxane (Slightly), DMSO (Slightly), Methanol (Slightly)
form Solid
pka 10.61±0.60(Predicted)
color White to Off-White
FDA UNII W12GK7503E

4-Methyl Ethynyl Estradiol price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC M304965 4-MethylEthynylEstradiol 155683-61-7 2mg $80 2021-12-16 Buy
TRC M304965 4-MethylEthynylEstradiol 155683-61-7 5mg $150 2021-12-16 Buy
American Custom Chemicals Corporation API0005678 ETHYNYLESTRADIOL-4-METHYL 95.00% 155683-61-7 10MG $697.2 2021-12-16 Buy
American Custom Chemicals Corporation API0005678 ETHYNYLESTRADIOL-4-METHYL 95.00% 155683-61-7 5MG $786.5 2021-12-16 Buy
American Custom Chemicals Corporation API0005678 ETHYNYLESTRADIOL-4-METHYL 95.00% 155683-61-7 50MG $1963.5 2021-12-16 Buy
Product number Packaging Price Buy
M304965 2mg $80 Buy
M304965 5mg $150 Buy
API0005678 10MG $697.2 Buy
API0005678 5MG $786.5 Buy
API0005678 50MG $1963.5 Buy

4-Methyl Ethynyl Estradiol Chemical Properties,Uses,Production

Uses

Ethynyl Estradiol (E685100) impurity K.

4-Methyl Ethynyl Estradiol Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 36)Suppliers
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Hubei Jusheng Technology Co.,Ltd.
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Standardpharm Co. Ltd.
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CR Corporation Lomited
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China National Standard Pharmaceutical Corporation Limited
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J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 jkinfo@jkchemical.com China 96815 76
Chemsky (shanghai) International Co.,Ltd 021-50135380 shchemsky@sina.com China 15421 60
Cato Research Chemicals Inc. 020-81960175 min.he@cato-chem.com China 1958 55
ChemStrong Scientific Co.,Ltd 0755-0755-66853366 13670046396 sales@chem-strong.com China 17982 56
Nanjing XiZe Biotechnology CO., Ltd. 025-58362220 15250997978 1511893459@qq.com China 7715 55
BOC Sciences 16314854226 info@bocsci.com United States 9926 65
4-Methyl Ethynyl Estradiol (17α)-4-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol 4-Methyl-ethinylestradiol 4-METHYL-17-ETHYNYL ESTRADIOL 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 4-methyl-, (17α)- (9CI) Ethinylestradiol EP Imp K (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 Ethinylestradiol Impurity 11(Ethinylestradiol EP Impurity K) Ethinylestradiol EP Impurity K (8R,9S,13S,14S,17R)-17-Ethynyl-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (Ethinylestradiol Impurity) 155683-61-7 Impurities Intermediates & Fine Chemicals Pharmaceuticals Steroids