15212-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15212-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,2,1 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 15212-31:
(7*1)+(6*5)+(5*2)+(4*1)+(3*2)+(2*3)+(1*1)=64
64 % 10 = 4
So 15212-31-4 is a valid CAS Registry Number.