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42521-52-8

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42521-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42521-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,2 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42521-52:
(7*4)+(6*2)+(5*5)+(4*2)+(3*1)+(2*5)+(1*2)=88
88 % 10 = 8
So 42521-52-8 is a valid CAS Registry Number.

42521-52-8Relevant articles and documents

A-new synthesis of N-sulfinylamines via β-elimination of chloroform from trichloromethanesulfinamides

Braverman, Samuel,Cherkinsky, Marina

, p. 487 - 490 (2007/10/03)

The synthesis of various N-monosubstituted trichloromethanesulfinamides by two alternative and novel procedures is described. All these compounds have been found to undergo base-induced elimination of chloroform with formation of the corresponding N-sulfinylamines. Reaction proceeds smoothly under mild conditions.

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