680575-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 680575-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,0,5,7 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 680575-18:
(8*6)+(7*8)+(6*0)+(5*5)+(4*7)+(3*5)+(2*1)+(1*8)=182
182 % 10 = 2
So 680575-18-2 is a valid CAS Registry Number.