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142979-46-2

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142979-46-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142979-46-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,7 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 142979-46:
(8*1)+(7*4)+(6*2)+(5*9)+(4*7)+(3*9)+(2*4)+(1*6)=162
162 % 10 = 2
So 142979-46-2 is a valid CAS Registry Number.

142979-46-2Relevant articles and documents

Microwave-assisted synthesis of pyrazolo[3,4-d]pyrimidines from 2-amino-4,6-dichloropyrimidine-5-carbaldehyde under solvent-free conditions

Quiroga, Jairo,Trilleras, Jorge,Insuasty, Braulio,Abonía, Rodrigo,Nogueras, Manuel,Marchal, Antonio,Cobo, Justo

, p. 3257 - 3259 (2008/09/21)

The microwave-induced synthesis of pyrazolo[3,4-d]pyrimidines 4 in the reaction of N4-substituted-2,4-diamino-6-chloro-5-carbaldehydes 3 with hydrazine is described here. Precursors 3 have been prepared by the mono-amination of 2-amino-4,6-dich

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