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134834-71-2

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134834-71-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134834-71-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,3 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134834-71:
(8*1)+(7*3)+(6*4)+(5*8)+(4*3)+(3*4)+(2*7)+(1*1)=132
132 % 10 = 2
So 134834-71-2 is a valid CAS Registry Number.

134834-71-2Downstream Products

134834-71-2Relevant articles and documents

Improved synthesis of 2-amino-1,2,4-triazolo[1,5-a]pyrimidines

Chernyshev,Sokolov,Taranushich

, p. 1134 - 1137 (2008/02/05)

An improved procedure is suggested for preparing 2-amino-1,2,4-triazolo[1, 5-a]pyrimidines from 3,5-diamino-1,2,4-triazole and unsaturated aromatic ketones, with acetyl protection of the amino group in the step of oxidation of 2-amino-4,7-dihydro-1,2,4-tr

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