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198337-87-0

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198337-87-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198337-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,3,3 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 198337-87:
(8*1)+(7*9)+(6*8)+(5*3)+(4*3)+(3*7)+(2*8)+(1*7)=190
190 % 10 = 0
So 198337-87-0 is a valid CAS Registry Number.

198337-87-0Relevant articles and documents

Electrochemical oxidation of amides of type Ph2CHCONHAr

Golub, Tatiana,Becker, James Y.

, p. 3906 - 3912 (2012/06/04)

Anodic oxidation of N-aryl-2,2-diphenylacetamides in acetonitrile undergoes three types of bond-cleavage, one between the benzylic carbon and the carbonyl group, the second between a carbonyl and 'N', and the third between the 'N' atom and aryl group. The selectivity of the cleavage and nature of emerged products is highly dependent on the nature of substituent attached to the aryl group. For example, electron-withdrawing groups direct the benzyl-carbonyl bond-breaking whereas electron-donating substituents favor the N-aryl bond cleavage. The type of products obtained involve benzophenone, 2,2-diphenylacetamide, N-(diphenylmethylene)acetamide, N-(diphenylmethyl)acetamide, α-lactam (1-acetyl-3,3-diphenylaziridin-2-one, as a 1:1 complex with 2,4-dinitroaniline) and aniline derivatives.

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