99726-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99726-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,2 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99726-22:
(7*9)+(6*9)+(5*7)+(4*2)+(3*6)+(2*2)+(1*2)=184
184 % 10 = 4
So 99726-22-4 is a valid CAS Registry Number.