33502-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33502-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,0 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33502-17:
(7*3)+(6*3)+(5*5)+(4*0)+(3*2)+(2*1)+(1*7)=79
79 % 10 = 9
So 33502-17-9 is a valid CAS Registry Number.