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6,7-Dehydro ethynyl estradiol

CAS No.
67703-68-8
Chemical Name:
6,7-Dehydro ethynyl estradiol
Synonyms
DELTA-6-ETHYNYLESTRADIOL;Ethinylestradiol EP Imp I;6,7-Dehydro Ethynyl Estradiol;Ethinylestradiol EP Impurity I;19-Nor-17alpha-pregna-1,3,5(10),6-t;1, 3, 5(10), 6-ESTRATETRAEN-17α-ETHYNYL-3, 17β-DIOL;19-NORPREGNA-1,3,5(10),6-TETRAEN-20-YNE-3,17BETA-DIOL;19-Nor-17α-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol;(17α)-19-Norpregna-1,3,5(10),6-tetraen-20-yne-3,17-diol;3,17BETA-DIHYDROXY-17A-ETHYNYLESTRA-1,3,5(10),6-TETRAENE
CBNumber:
CB9248069
Molecular Formula:
C20H22O2
Molecular Weight:
294.39
MDL Number:
MFCD01310750
MOL File:
67703-68-8.mol
Last updated:2023-05-15 10:44:01

6,7-Dehydro ethynyl estradiol Properties

Melting point 181.8-183.7 °C
Boiling point 465.3±45.0 °C(Predicted)
Density 1.23±0.1 g/cm3(Predicted)
solubility Chloroform (Slightly), Methanol (Slightly)
form Solid
pka 9.94±0.60(Predicted)
color White to Light Brown
FDA UNII W6EZ3B8WFC

6,7-Dehydro ethynyl estradiol price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC D229605 6,7-DehydroEthynylEstradiol 67703-68-8 25mg $580 2021-12-16 Buy
TRC D229605 6,7-DehydroEthynylEstradiol 67703-68-8 100mg $1850 2021-12-16 Buy
Biosynth Carbosynth FD20913 6,7-Dehydro ethynyl estradiol 67703-68-8 5mg $150.2 2021-12-16 Buy
Biosynth Carbosynth FD20913 6,7-Dehydro ethynyl estradiol 67703-68-8 10mg $273 2021-12-16 Buy
Biosynth Carbosynth FD20913 6,7-Dehydro ethynyl estradiol 67703-68-8 25mg $525 2021-12-16 Buy
Product number Packaging Price Buy
D229605 25mg $580 Buy
D229605 100mg $1850 Buy
FD20913 5mg $150.2 Buy
FD20913 10mg $273 Buy
FD20913 25mg $525 Buy

6,7-Dehydro ethynyl estradiol Chemical Properties,Uses,Production

Uses

Ethynyl Estradiol (E685100) impurity.

2208-12-0
74-86-2
67703-68-8
Synthesis of 6,7-Dehydro ethynyl estradiol from 6-DEHYDROESTRONE and Acetylene

6,7-Dehydro ethynyl estradiol Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 37)Suppliers
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Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Standardpharm Co. Ltd.
86-714-3992388 overseasales1@yongstandards.com United States 14336 58
CR Corporation Lomited
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China National Standard Pharmaceutical Corporation Limited
+8615391658522 overseasales@yongstandards.com China 11927 58
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
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
Shanghai CR Corporation Limited 4006653949 fred.wen@crcorporation.cn China 10108 58
1,3,5(10), 6-ESTRATETRAEN-17-ALPHA-ETHYNYL-3,17-BETA-DIOL (17α)-19-Norpregna-1,3,5(10),6-tetraen-20-yne-3,17-diol DELTA-6-ETHYNYLESTRADIOL 19-NORPREGNA-1,3,5(10),6-TETRAEN-20-YNE-3,17BETA-DIOL 3,17BETA-DIHYDROXY-17A-ETHYNYLESTRA-1,3,5(10),6-TETRAENE 6,7-Dehydro Ethynyl Estradiol Ethinylestradiol EP Impurity I ETHINYLESTRADIOL EP IMPURITY I (6,7-DIDEHYDRO ETHYNYL ESTRADIOL) Ethinylestradiol EP Imp I (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthrene-3,17-diol Ethinylestradiol Impurity 9(Ethinylestradiol EP Impurity I) 19-Nor-17alpha-pregna-1,3,5(10),6-t 19-Norpregna-1,3,5(10),6-tetraen-20-yne-3,17-diol, (17α)- (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-9,11,12,13,14,15,16,17-octahydro-8H-cyclopenta[a]phenanthrene-3,17-diol 19-Nor-17α-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol (8R,9S,13S,14S,17R)-17-Ethynyl-13-methyl-9,11,12,13,14,15,16,17-octahydro-8H-cyclopenta[a]phenanthrene-3,17-diol (Ethinylestradiol Impurity) 1, 3, 5(10), 6-ESTRATETRAEN-17α-ETHYNYL-3, 17β-DIOL 67703-68-8 Impurities Intermediates & Fine Chemicals Pharmaceuticals Steroids