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57981-19-8

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57981-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57981-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,9,8 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57981-19:
(7*5)+(6*7)+(5*9)+(4*8)+(3*1)+(2*1)+(1*9)=168
168 % 10 = 8
So 57981-19-8 is a valid CAS Registry Number.

57981-19-8Downstream Products

57981-19-8Relevant articles and documents

One-carbon homologation of N-sulfonylaziridines to allylic amines using dimethylsulfonium methylide

Hodgson, David M.,Fleming, Matthew J.,Stanway, Steven J.

, p. 3295 - 3298 (2007/10/03)

(Chemical Equation Presented) Regio- and stereodefined allylic N-sulfonylamines are synthesized in high yields and under experimentally straightforward conditions by reaction of N-sulfonylaziridines with excess dimethylsulfonium methylide.

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