13735-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13735-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,3 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13735-21:
(7*1)+(6*3)+(5*7)+(4*3)+(3*5)+(2*2)+(1*1)=92
92 % 10 = 2
So 13735-21-2 is a valid CAS Registry Number.