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72456-83-8

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72456-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72456-83-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,5 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72456-83:
(7*7)+(6*2)+(5*4)+(4*5)+(3*6)+(2*8)+(1*3)=138
138 % 10 = 8
So 72456-83-8 is a valid CAS Registry Number.

72456-83-8Relevant articles and documents

SYNTHESIS OF AMIDES OF 2-ARYLAMINO-4,6-DIMETHYLNICOTINIC ACID

Demina, L. M.,Gavrilov, M. Yu.,Shurov, S. N.,Konshin, M. E.

, p. 1286 - 1288 (2007/10/02)

The amides of 2-arylamino-4,6-dimethyl-2-chloronicotinic acid have been prepared. It has been shown that on account of steric hindrance on the part of the methyl group on the C(4) atom the conjugation of the amide function with the pyridine ring is broken and its influence on the mobility of the halogen is weakened, and the compound enters into a given reaction with more difficulty than its 6-monomethyl homolog.

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