91933-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91933-89-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,3 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91933-89:
(7*9)+(6*1)+(5*9)+(4*3)+(3*3)+(2*8)+(1*9)=160
160 % 10 = 0
So 91933-89-0 is a valid CAS Registry Number.