165133-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 165133-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,1,3 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 165133-73:
(8*1)+(7*6)+(6*5)+(5*1)+(4*3)+(3*3)+(2*7)+(1*3)=123
123 % 10 = 3
So 165133-73-3 is a valid CAS Registry Number.