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131897-34-2

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131897-34-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131897-34-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,8,9 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131897-34:
(8*1)+(7*3)+(6*1)+(5*8)+(4*9)+(3*7)+(2*3)+(1*4)=142
142 % 10 = 2
So 131897-34-2 is a valid CAS Registry Number.

131897-34-2Downstream Products

131897-34-2Relevant articles and documents

A New Reagent for the Determination of the Optical Purity of Primary, Secondary, and Tertiary Chiral Alcohols and of Thiols

Alexakis, Alexandre,Mutti, Stephane,Mangeney, Pierre

, p. 1224 - 1231 (2007/10/02)

A new reagent is described for the determination of the enantiomeric excess of chiral alcohols.This derivatizing agent (22) is a diazaphospholidine, easily prepared from hexamethylphosphorus triamide (HMPT) and a chiral diamine having a C2 axis

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