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2-bromo-6beta,9-difluoro-11beta,16alpha,17,21-tetrahydroxypregna-1,4-diene-3,20-dione 21-acetate is a complex organic compound with a molecular formula of C24H31BrF2O7. It is a derivative of the steroid hormone pregnane, featuring a unique structure with a bromine atom at the 2-position, two fluorine atoms at the 6beta and 9-positions, and four hydroxyl groups at the 11beta, 16alpha, 17, and 21-positions. The compound also has a double bond between carbons 1 and 4, and a ketone group at the 3 and 20 positions. The 21-acetate group indicates the presence of an acetate moiety attached to the 21-hydroxyl group. This chemical is primarily of interest in the field of pharmaceuticals and medicinal chemistry, where it may be studied for its potential biological activities and therapeutic applications.

57781-19-8

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57781-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57781-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,8 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57781-19:
(7*5)+(6*7)+(5*7)+(4*8)+(3*1)+(2*1)+(1*9)=158
158 % 10 = 8
So 57781-19-8 is a valid CAS Registry Number.

57781-19-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Bromo-6β,9α-difluoro-1,4-pregnadiene-11β,16α,17α,21-tetrol-3,20-dione 21-acetate

1.2 Other means of identification

Product number -
Other names Acetic acid 2-((6R,8S,9R,10S,11S,13S,14S,16R,17S)-2-bromo-6,9-difluoro-11,16,17-trihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethyl ester

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:57781-19-8 SDS

57781-19-8Downstream Products

57781-19-8Relevant academic research and scientific papers

2-Bromo-6β-fluoro-3-keto-Δ1,4 -steroids of the pregnane series

-

, (2008/06/13)

Pregnane series steroids are disclosed having good anti-inflammatory and anti-rheumatoid arthritic activity with a decreased degree of side effects, e.g., weight loss and sodium retention. The compounds have the formula STR1 where X is a keto- or β-hydroxyl group or chlorine, Y is fluorine or chlorine, Z is hydrogen, α-hydroxyl, α-methyl or β-methyl, R' is hydrogen or a 2 to 8 carbon acyl group and R is hydrogen, a 2 to 8 carbon acyl group from mono- or di-carboxylic organic acids, a metasulfobenzoic acid residue or phosphoric acid residue. When R' is hydrogen, and Z is α-hydroxyl the corresponding 16α, 17α-acetonides and 16α-acyl derivatives with organic carboxylic acids having from 2 to 8 carbon atoms were prepared.

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