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15775-81-2

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15775-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15775-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,7 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 15775-81:
(7*1)+(6*5)+(5*7)+(4*7)+(3*5)+(2*8)+(1*1)=132
132 % 10 = 2
So 15775-81-2 is a valid CAS Registry Number.

15775-81-2Relevant articles and documents

PHENYLAZOAMINOPYRIDINES AND THEIR DECOMPOSITION

Pasternak, Ewaryst E.,Tomasik, Piotr,Zawadzki, Wlodzimierz

, p. 767 - 774 (2007/10/02)

Three isomeric phenylazoaminopyridines were prepared and their behavior studied under the conditions of all acid catalyzed, thermal and photolytic diazoamino rearrangements.There is no case of any rearrangement taking place of the phenylazo group into the pyridine ring, but decomposition occurs.The products of the decomposition are characterized and the mechanism of their formation discussed.

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