33100-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33100-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,0 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33100-17:
(7*3)+(6*3)+(5*1)+(4*0)+(3*0)+(2*1)+(1*7)=53
53 % 10 = 3
So 33100-17-3 is a valid CAS Registry Number.