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2571-37-1

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2571-37-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2571-37-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,7 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2571-37:
(6*2)+(5*5)+(4*7)+(3*1)+(2*3)+(1*7)=81
81 % 10 = 1
So 2571-37-1 is a valid CAS Registry Number.

2571-37-1Relevant articles and documents

Imination of sulfur-containing compounds: XXXV. New preparation method and oxidative benzenesulfonylimination of unsymmetrical disulfides

Koval'

, p. 232 - 234 (2002)

A new preparative method of synthesis was developed for unsymmetrical and symmetrical disulfides. This method involves sulfenylation of sodium thiolates with N-arenesulfenyl-N,N′-bis(arenesulfonyl)sulfinamidines. Imination of unsymmetrical disulfides with sodium chloroamides of sulfonic acids occurs at the more nucleophilic sulfur atom, affording N,N′ -bis(arenesulfonyl)sulfinamidines and symmetrical disulfides.

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