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17-ethynyl-17β-hydroxy-11β-o-methoxyphenyl-4,9-estradien-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67983-57-7

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67983-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67983-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,8 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67983-57:
(7*6)+(6*7)+(5*9)+(4*8)+(3*3)+(2*5)+(1*7)=187
187 % 10 = 7
So 67983-57-7 is a valid CAS Registry Number.

67983-57-7Relevant academic research and scientific papers

Antigestagens for the inhibition of uterine synthesis of prostaglandin

-

, (2008/06/13)

Antigestagens inhibit prostaglandin synthesis by the uterus and thus can be used to treat symptoms of dysmennhorea.

Use of antigestagens for softening the nonpregnant cervix

-

, (2008/06/13)

Antigestagens are useful for softening the nonpregnant cervix.

REGIO AND STEREOSPECIFIC SYNTHESIS OF 11β-SUBSTITUTED 19-NORSTEROIDS. Influence of 11β-substitution on progesterone receptor affinity.

Belanger, A.,Philibert, D.,Teutsch, G.

, p. 361 - 382 (2007/10/02)

The convenient synthesis of a series of 11β-substituted 17-ethynyl-17β-hydroxy-4,9-estradien-3-ones and their corresponding estradiols is reported.Relative affinities for the progestin and estrogen receptors showed very specific interactions between the p

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