679828-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 679828-91-2 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 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 679828-91:
(8*6)+(7*7)+(6*9)+(5*8)+(4*2)+(3*8)+(2*9)+(1*1)=242
242 % 10 = 2
So 679828-91-2 is a valid CAS Registry Number.