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4717-38-8

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4717-38-8 Usage

Uses

The epimer derivative of Ethynyl Estradiol (E685100). An impurity.

Check Digit Verification of cas no

The CAS Registry Mumber 4717-38-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,1 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4717-38:
(6*4)+(5*7)+(4*1)+(3*7)+(2*3)+(1*8)=98
98 % 10 = 8
So 4717-38-8 is a valid CAS Registry Number.

4717-38-8SDS

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 17-epi-Ethynyl Estradiol

1.2 Other means of identification

Product number -
Other names 6|A-Hydroxy Ethynyl Estradiol

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:4717-38-8 SDS

4717-38-8Downstream Products

4717-38-8Relevant articles and documents

An efficient synthesis of 17-epi-ethynylestradiol

Ewers, Christian L. J.,Harre, Michael,Mohr, Joerg,Nickisch, Klaus,Tilstam, Ulf

, p. 4277 - 4282 (1998)

An efficient synthesis has been developed yielding 17-epi- ethynylestradiol 2 in an overall yield of 17 %. The key derivatives 7a-c were prepared from estrone in four steps. Subsequently epoxides 7a,c were efficiently transformed into 2 via Takano's method.

Compound

-

, (2008/06/13)

Disclosed and claimed are compounds suitable for use as an inhibitor of oestrone sulphatase in a subject in need thereof, as well as compositions containing such compounds and methods for using such compounds. Such compounds can be a sulphamate compound that has the Formula (X) and wherein X is a sulphamate group, and Y is CH2 and optionally any other H attached directly to the ring system is substituted by another group

17-Aryl linker derivatised estrogen 3-sulphamates as inhibitors of steroid sulphatase

-

, (2008/06/13)

There is provided a compound comprising a steroidal ring system and a group R1 selected from any one of a sulphamate group, a phosphonate group, a thiophosphonate group, a sulphonate group or a sulphonamide group; wherein the D ring of the steroidal ring system is substituted by a group R2 of the formula —L—R3, wherein L is an optional linker group and R3 is an aromatic hydrocarbyl group.

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