91012-03-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91012-03-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,1 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91012-03:
(7*9)+(6*1)+(5*0)+(4*1)+(3*2)+(2*0)+(1*3)=82
82 % 10 = 2
So 91012-03-2 is a valid CAS Registry Number.