663167-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 663167-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,1,6 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 663167-73:
(8*6)+(7*6)+(6*3)+(5*1)+(4*6)+(3*7)+(2*7)+(1*3)=175
175 % 10 = 5
So 663167-73-5 is a valid CAS Registry Number.