99333-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99333-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,3 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99333-71:
(7*9)+(6*9)+(5*3)+(4*3)+(3*3)+(2*7)+(1*1)=168
168 % 10 = 8
So 99333-71-8 is a valid CAS Registry Number.