53121-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53121-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,2 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 53121-22:
(7*5)+(6*3)+(5*1)+(4*2)+(3*1)+(2*2)+(1*2)=75
75 % 10 = 5
So 53121-22-5 is a valid CAS Registry Number.