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96626-25-4

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96626-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 96626-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,6,2 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 96626-25:
(7*9)+(6*6)+(5*6)+(4*2)+(3*6)+(2*2)+(1*5)=164
164 % 10 = 4
So 96626-25-4 is a valid CAS Registry Number.

96626-25-4Relevant articles and documents

AZAINDOLE DERIVATIVES. 66. 1,6-DISUBSTITUTED 4-METHYL-5-CYANO-7-AZAINDOLINES

Sycheva, T. V.,Yakhontov, L. N.

, p. 68 - 72 (2007/10/02)

A general method was developed for the synthesis of 1,6-disubstituted 4-methyl-5-cyano-7-azaindolines from the readily available ammonium salt of 2,6-dihydroxy-3-(β-hydroxyethyl)-4-methyl-5-cyanopyridine through the corresponding N-substituted ammonium salts and N-substituted 2-amino-3-(β-hydroxyethyl)-4-methyl-5-cyano-6-hydroxypyridines with treatment of the latter by POCl3.This method gives a 40percent yield of 4-methyl-5-cyano-7-azaindoline compounds containing various aralkyl or alkyl substituents at N-1 and a hydroxy group or halogen atom at C-6 in three steps.

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