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9-Isoestradiol, also known as 9-α-estradiol, is a naturally occurring estrogen hormone that plays a crucial role in the female reproductive system. It is one of the three main estrogens, along with estradiol and estrone, and is responsible for regulating various physiological processes, such as the menstrual cycle, pregnancy, and the development of secondary sexual characteristics. Structurally, 9-isoestradiol differs from estradiol by having a hydrogen atom at the 9-position instead of a methyl group. This slight modification affects its biological activity, making it less potent than estradiol. In summary, 9-isoestradiol is an important estrogen hormone that contributes to the regulation of female reproductive health and development.

5864-38-0

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5864-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5864-38-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,6 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5864-38:
(6*5)+(5*8)+(4*6)+(3*4)+(2*3)+(1*8)=120
120 % 10 = 0
So 5864-38-0 is a valid CAS Registry Number.

5864-38-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol

1.2 Other means of identification

Product number -
Other names Estradiol-16beta

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:5864-38-0 SDS

5864-38-0Relevant academic research and scientific papers

An environmentally friendly and cost effective synthesis of estradiol featuring two novel reagents: Si(0)/KF and PMHS/hexamethyldisiloxane/pTSA

Lim, Chongsoo,Evenson, Gerald N.,Perrault, William R.,Pearlman, Bruce A.

, p. 6417 - 6420 (2007/10/03)

Si(0)/KF is introduced as a strong, inexpensive, environmentally friendly, and safe reagent for 'dissolving metal'-type reduction. PMHS/hexamethyldisiloxane/pTSA is introduced as an inexpensive substitute for Et3SiH/TFA for 'ionic hydrogenation', where the hexamethyldisiloxane functions as a capping agent to block the oligomeric silicone by-product from cross-linking to a gel, rubber, or plastic. An environmentally friendly and cost effective synthesis of estradiol is described which showcases these new reagents.

A Total Synthesis of Estradiol and its 6,6-Dimethyl Analogue

Collins, Mark A.,Jones, D. Neville

, p. 4467 - 4470 (2007/10/02)

A short, stereoselective synthesis of estradiol, and its 6,6-dimethyl analogue, was accomplished from non-steroidal starting materials.A key feature was the use of a benzothiophene unit to effect (i) the stereoselective formation of the required 8β-H c

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