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16 beta,17 beta-epoxy-1,3,5(10)-estratrien-3-ol, also known as equilenin, is a naturally occurring steroidal compound belonging to the class of equine estrogens. It is a metabolite of equilin, another equine estrogen, and is found in the urine of pregnant mares. Equilenin exhibits estrogenic activity and has been used in the past for hormone replacement therapy and as a component in certain contraceptive formulations. However, due to its potential side effects and the availability of safer alternatives, its use in modern medicine has significantly decreased. The chemical structure of equilenin is characterized by a 16,17-epoxy bridge and a 3-hydroxyl group, which contribute to its biological properties.

472-57-1

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472-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 472-57-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,7 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 472-57:
(5*4)+(4*7)+(3*2)+(2*5)+(1*7)=71
71 % 10 = 1
So 472-57-1 is a valid CAS Registry Number.
InChI:InChI=1/C18H22O2/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16-17(18)20-16/h3,5,8,13-17,19H,2,4,6-7,9H2,1H3/t13-,14-,15+,16+,17-,18+/m1/s1

472-57-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 16α,17α-Epoxy-D1.3.5(10)-oestratrienol-(3)

1.2 Other means of identification

Product number -
Other names 3-Hydroxy-16α,17α-epoxyoestratrien

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:472-57-1 SDS

472-57-1Relevant academic research and scientific papers

Syntheses of Seleno Estrogens

Arunachalam, Thangavel,Caspi, Eliahu

, p. 3415 - 3420 (2007/10/02)

The syntheses of phenylseleno and methylseleno analogues of estradiol are described.

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