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126541-67-1

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126541-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126541-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,4 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 126541-67:
(8*1)+(7*2)+(6*6)+(5*5)+(4*4)+(3*1)+(2*6)+(1*7)=121
121 % 10 = 1
So 126541-67-1 is a valid CAS Registry Number.

126541-67-1Relevant articles and documents

The N-Substitution of Aliphatic Primary Amines via 1-benzotriazoles: Preparation of Secondary Amines

Katritzky, Alan R.,Glen, Noble,Pilarski, Boguslaw,Harris, Philip

, p. 1443 - 1446 (2007/10/02)

A new method has been developed for the selective conversion of primary aliphatic amines into unsymmetrical secondary amines by Grignard reaction of 1-benzotriazoles 1.This method employs simple procedures and mild conditions, and is specific in that onyl monoalkylation of the primary amines results.

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