197518-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197518-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,5,1 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 197518-73:
(8*1)+(7*9)+(6*7)+(5*5)+(4*1)+(3*8)+(2*7)+(1*3)=183
183 % 10 = 3
So 197518-73-3 is a valid CAS Registry Number.