16533-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16533-04-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,3 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16533-04:
(7*1)+(6*6)+(5*5)+(4*3)+(3*3)+(2*0)+(1*4)=93
93 % 10 = 3
So 16533-04-3 is a valid CAS Registry Number.