691000-60-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 691000-60-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,0,0 and 0 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 691000-60:
(8*6)+(7*9)+(6*1)+(5*0)+(4*0)+(3*0)+(2*6)+(1*0)=129
129 % 10 = 9
So 691000-60-9 is a valid CAS Registry Number.