1212398-62-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212398-62-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,3,9 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1212398-62:
(9*1)+(8*2)+(7*1)+(6*2)+(5*3)+(4*9)+(3*8)+(2*6)+(1*2)=133
133 % 10 = 3
So 1212398-62-3 is a valid CAS Registry Number.