1213212-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213212-42-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,2,1 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1213212-42:
(9*1)+(8*2)+(7*1)+(6*3)+(5*2)+(4*1)+(3*2)+(2*4)+(1*2)=80
80 % 10 = 0
So 1213212-42-0 is a valid CAS Registry Number.