33303-09-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33303-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,0 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 33303-09:
(7*3)+(6*3)+(5*3)+(4*0)+(3*3)+(2*0)+(1*9)=72
72 % 10 = 2
So 33303-09-2 is a valid CAS Registry Number.