33321-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33321-99-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,2 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 33321-99:
(7*3)+(6*3)+(5*3)+(4*2)+(3*1)+(2*9)+(1*9)=92
92 % 10 = 2
So 33321-99-2 is a valid CAS Registry Number.