12642-13-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12642-13-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,6,4 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12642-13:
(7*1)+(6*2)+(5*6)+(4*4)+(3*2)+(2*1)+(1*3)=76
76 % 10 = 6
So 12642-13-6 is a valid CAS Registry Number.