135072-13-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135072-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,0,7 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135072-13:
(8*1)+(7*3)+(6*5)+(5*0)+(4*7)+(3*2)+(2*1)+(1*3)=98
98 % 10 = 8
So 135072-13-8 is a valid CAS Registry Number.
135072-13-8Relevant articles and documents
Process for the preparation of asymmetrically substituted ureas
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, (2008/06/13)
Process for the preparation of asymmetrically substituted ureas by reaction of a gaseous mixture of isocyanic acid and ammonia having a temperature of 260° to 600° C. with a primary or secondary amine.
