22628-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22628-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,2 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22628-99:
(7*2)+(6*2)+(5*6)+(4*2)+(3*8)+(2*9)+(1*9)=115
115 % 10 = 5
So 22628-99-5 is a valid CAS Registry Number.