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91363-28-9

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91363-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91363-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,6 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91363-28:
(7*9)+(6*1)+(5*3)+(4*6)+(3*3)+(2*2)+(1*8)=129
129 % 10 = 9
So 91363-28-9 is a valid CAS Registry Number.

91363-28-9Relevant articles and documents

THIOSULFONIC ACIDS. XXXI. ARYLAZOARENETHIOSULFONATES

Boldyrev, B. G.,Grivnak, L. M.

, p. 324 - 330 (2007/10/02)

Arylazoarenethiosulfonates were obtained, and their structures and chemical characteristics were studied.It was shown that arylazoarenethiosulfonates have a nonionic structure, and this explains their high stability.It was established that they enter with difficulty into reactions with the release of nitrogen, but they enter readily into azo-coupling and reduction reactions.

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