73227-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73227-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,2 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73227-99:
(7*7)+(6*3)+(5*2)+(4*2)+(3*7)+(2*9)+(1*9)=133
133 % 10 = 3
So 73227-99-3 is a valid CAS Registry Number.