13497-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13497-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,9 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13497-23:
(7*1)+(6*3)+(5*4)+(4*9)+(3*7)+(2*2)+(1*3)=109
109 % 10 = 9
So 13497-23-9 is a valid CAS Registry Number.
13497-23-9Relevant articles and documents
Process for the preparation of thiazolesulphenamides
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, (2008/06/13)
Thiazolesulphenamides, useful as rubber vulcanization accelerators, are made by reaction of a 2-mercapto-thiazole or a 2,2'-dithiazolyl disulphide with ammonia or a primary or secondary amine in the presence of oxygen and a copper catalyst of specified kind.