639460-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 639460-13-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,9,4,6 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 639460-13:
(8*6)+(7*3)+(6*9)+(5*4)+(4*6)+(3*0)+(2*1)+(1*3)=172
172 % 10 = 2
So 639460-13-2 is a valid CAS Registry Number.