679820-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 679820-77-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,9,8,2 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 679820-77:
(8*6)+(7*7)+(6*9)+(5*8)+(4*2)+(3*0)+(2*7)+(1*7)=220
220 % 10 = 0
So 679820-77-0 is a valid CAS Registry Number.