911-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 911-73-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,1 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 911-73:
(5*9)+(4*1)+(3*1)+(2*7)+(1*3)=69
69 % 10 = 9
So 911-73-9 is a valid CAS Registry Number.