33163-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33163-10-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,6 and 3 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33163-10:
(7*3)+(6*3)+(5*1)+(4*6)+(3*3)+(2*1)+(1*0)=79
79 % 10 = 9
So 33163-10-9 is a valid CAS Registry Number.