84197-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84197-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,1,9 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 84197-73:
(7*8)+(6*4)+(5*1)+(4*9)+(3*7)+(2*7)+(1*3)=159
159 % 10 = 9
So 84197-73-9 is a valid CAS Registry Number.