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82662-44-0

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82662-44-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82662-44-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,6 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 82662-44:
(7*8)+(6*2)+(5*6)+(4*6)+(3*2)+(2*4)+(1*4)=140
140 % 10 = 0
So 82662-44-0 is a valid CAS Registry Number.

82662-44-0SDS

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 9β,11β-epoxy-6α-fluoro- 17α,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione

1.2 Other means of identification

Product number -
Other names 6α-fluoro-17α,21-dihydroxy-16β-methyl-9β,11β-oxidopregna-1,4-diene-3,20-dione

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:82662-44-0 SDS

82662-44-0Upstream product

82662-44-0Downstream Products

82662-44-0Relevant articles and documents

Method for the preparation of 6alpha-fluoro corticosteroids

-

, (2008/06/13)

A method for producing a 6α-fluorinated corticosteroid or derivative thereof by reacting a 17-hydroxy-21-ester epoxide of Formula II with a stereoselective fluorinating agent to stereoselectively form a 21-ester-17-hydroxy 6α-fluorinated compound of Formula VII R1 can be OC(O)—Rd; R4 can be C(O)—Rd; R3 can be H or Rd. Each Rd may be the same or different and is independently selected from (C1-4)alkyl, aryl and heteroaryl. The dashed line can be a single or a double bond. R4 may be, for example, acetyl; R3 may be, for example, alpha or beta methyl; R4 may be, for example, acetate or propionate. The stereoselective fluorinating agent used in the reaction may be, for example, a fluoropyridinium or fluoroquinuclidium compound, for example, Selectfluor?.

Base catalyzed acylation with enol esters

-

, (2008/06/13)

This invention relates to processes for base catalyzed acylations using enol esters, for example, isopropenyl acetate. Particularly, the processes are useful for acylating acid sensitive alcohols including hydroxy steroids.

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