80687-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80687-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,8 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80687-13:
(7*8)+(6*0)+(5*6)+(4*8)+(3*7)+(2*1)+(1*3)=144
144 % 10 = 4
So 80687-13-4 is a valid CAS Registry Number.