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157795-65-8

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157795-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157795-65-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,9 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 157795-65:
(8*1)+(7*5)+(6*7)+(5*7)+(4*9)+(3*5)+(2*6)+(1*5)=188
188 % 10 = 8
So 157795-65-8 is a valid CAS Registry Number.

157795-65-8Relevant articles and documents

Iminophosphorane-Mediated Synthesis of Fused Perimidines: Preparation of Quinazolinoperimidine Derivatives

Molina, Pedro,Alias, Asuncion,Balado, Ana,Arques, Antonio

, p. 745 - 750 (2007/10/02)

An aza-Wittig-type reaction of iminophosphoranes 2 and 3, derived from 2-(2-azidophenyl)-1,2-dihydroperimidine and 2-(2-azidophenyl)perimidine, respectively, with isocyanates, carbon dioxide, carbon disulfide and acyl chlorides provides 6-substituted quin

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