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128799-79-1

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128799-79-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128799-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,9 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128799-79:
(8*1)+(7*2)+(6*8)+(5*7)+(4*9)+(3*9)+(2*7)+(1*9)=191
191 % 10 = 1
So 128799-79-1 is a valid CAS Registry Number.

128799-79-1Upstream product

128799-79-1Relevant articles and documents

Amidines. I. Hydrolysis of N1-acyl- and N1-tosyl-N1,N2-diarylamidines

Ono,Tamura

, p. 590 - 596 (2007/10/02)

In acid hydrolysis of N1-acyl-N1,N2-diarylamidines, a water molecule attacked exclusively the amidine central carbon, and the reaction proceeded in parallel through two pathways. One of them leads to the formation of two N-acylarylamines, and the other leads to the formation of N,N-diacylarylamine and arylamine. Acid hydrolysis of N1-tosyl-N1,N2-diarylamidine was also examined. The results were similar to those of the hydrolysis of N1-acyl-N1,N2-diarylamidines. Alkaline hydrolysis and alcoholysis of N1-acyl-N1,N2-diarylamidines occurred almost exclusively at the amide carbonyl group to give N1,N2-diarylamidines and carboxylic acids or their esters. The effects of structural change and the aryl substituents on the rate and direction of the reaction were examined.

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