91911-10-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91911-10-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,1 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91911-10:
(7*9)+(6*1)+(5*9)+(4*1)+(3*1)+(2*1)+(1*0)=123
123 % 10 = 3
So 91911-10-3 is a valid CAS Registry Number.