680198-24-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 680198-24-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,0,1,9 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 680198-24:
(8*6)+(7*8)+(6*0)+(5*1)+(4*9)+(3*8)+(2*2)+(1*4)=177
177 % 10 = 7
So 680198-24-7 is a valid CAS Registry Number.