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9,11-Dehydro Ethynyl Estradiol is a degradation product and impurity of Ethynyl Estradiol (EE), a synthetic estrogen used in oral contraceptives and hormone replacement therapy. It is characterized as a yellow solid with distinct chemical properties.

1231-96-5

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1231-96-5 Usage

Uses

Used in Pharmaceutical Industry:
9,11-Dehydro Ethynyl Estradiol is used as a reference compound for quality control and analytical purposes in the pharmaceutical industry. Its presence as an impurity in Ethynyl Estradiol (E685100) necessitates monitoring and control to ensure the safety, efficacy, and purity of the final product.
Additionally, understanding the formation and properties of 9,11-Dehydro Ethynyl Estradiol can aid in the development of improved synthetic routes and purification methods for Ethynyl Estradiol, enhancing the overall quality of pharmaceutical products containing this hormone.

Check Digit Verification of cas no

The CAS Registry Mumber 1231-96-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1231-96:
(6*1)+(5*2)+(4*3)+(3*1)+(2*9)+(1*6)=55
55 % 10 = 5
So 1231-96-5 is a valid CAS Registry Number.

1231-96-5 Well-known Company Product Price

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  • USP

  • (1260023)  Ethinyl estradiol Related Compound B  United States Pharmacopeia (USP) Reference Standard

  • 1231-96-5

  • 1260023-20MG

  • 14,957.28CNY

  • Detail

1231-96-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,17β-dihydroxy-19-norpregna-1,3,5(10),9(11)-tetraene-20-yne

1.2 Other means of identification

Product number -
Other names 9,11-DEHYDRO ETHYLNYL ESTRADIOL (IMPURITY B)

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:1231-96-5 SDS

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