851718-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851718-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,7,1 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 851718-13:
(8*8)+(7*5)+(6*1)+(5*7)+(4*1)+(3*8)+(2*1)+(1*3)=173
173 % 10 = 3
So 851718-13-3 is a valid CAS Registry Number.