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94145-22-9

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94145-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94145-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,1,4 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94145-22:
(7*9)+(6*4)+(5*1)+(4*4)+(3*5)+(2*2)+(1*2)=129
129 % 10 = 9
So 94145-22-9 is a valid CAS Registry Number.

94145-22-9Relevant 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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