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Pregn-3,5-dien-20-one, also known as 3,5-pregnadien-20-one, is a steroidal compound that belongs to the class of pregnanes. It is a key intermediate in the biosynthesis of various steroid hormones, including progesterone, corticosteroids, androgens, and estrogens. pregna-3,5-dien-20-one features a 3,5-dien structure, which means it has two double bonds at the 3 and 5 positions of the steroid nucleus. Pregn-3,5-dien-20-one plays a crucial role in the human body, as it is involved in the regulation of various physiological processes such as inflammation, immune response, and reproductive functions. Its chemical structure and biological activity make it an important target for drug development, particularly in the field of hormone therapy and contraceptives.

1093-87-4

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1093-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1093-87-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,9 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1093-87:
(6*1)+(5*0)+(4*9)+(3*3)+(2*8)+(1*7)=74
74 % 10 = 4
So 1093-87-4 is a valid CAS Registry Number.

1093-87-4SDS

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 1-[(8S,9S,10R,13S,14S,17S)-10,13-dimethyl-2,7,8,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone

1.2 Other means of identification

Product number -
Other names Pregna-3,5-dien-20-one

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:1093-87-4 SDS

1093-87-4Upstream product

1093-87-4Downstream Products

1093-87-4Relevant academic research and scientific papers

Lithium Aluminium Hydride Reduction of Pregnenolone under Conditions of Assumed Kinetic and Equilibrium Control

Allenmark, Stig,Boren, Hans

, p. 407 - 410 (2007/10/02)

Reduction of pregnenolone (1) with lithium aluminium hydride (LAH) yields pregn-5-ene-3β,20α-diol (2a) and its 20β epimer (2b) in a ratio of 1:3.8.Reduction with LAH/AlCl3 under equilibrating conditions, using an excess of 1, gave a complex product mixture containing 2a and 2b in a ratio of 1:9, pregna-3,5-dien-20-one (3), pregna-3,5-dien-20-ols (4a and 4b), pregn-4-ene-20α-ol-3-one (6a), its 20β epimer (6b) as well as small amounts of other compounds, probably pregn-4-ene-3,20-diols.A reaction scheme is presented which accounts for the formation of the various reaction products.

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