680974-79-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 680974-79-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,0,9,7 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 680974-79:
(8*6)+(7*8)+(6*0)+(5*9)+(4*7)+(3*4)+(2*7)+(1*9)=212
212 % 10 = 2
So 680974-79-2 is a valid CAS Registry Number.