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252979-89-8

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252979-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 252979-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,9,7 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 252979-89:
(8*2)+(7*5)+(6*2)+(5*9)+(4*7)+(3*9)+(2*8)+(1*9)=188
188 % 10 = 8
So 252979-89-8 is a valid CAS Registry Number.

252979-89-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name l-threo-methylphenidate / dibenzoyl L-tartaric acid

1.2 Other means of identification

Product number -
Other names -

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:252979-89-8 SDS

252979-89-8Relevant articles and documents

Method to separate stereoisomers

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Page/Page column 2-3, (2010/02/13)

A method to resolve the stereoisomers of an optically active compound comprising an amine moiety. The method provides a mixture comprising two stereoisomers of a compound comprising a amine moiety. The method supplies l-fenchyloxyacetic acid, treats the mixture of stereoisomers with that l-fenchyloxyacetic acid, and collects one of those two stereoisomers having greater than a 99 percent enantiomeric excess.

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