22628-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22628-64-4 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, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22628-64:
(7*2)+(6*2)+(5*6)+(4*2)+(3*8)+(2*6)+(1*4)=104
104 % 10 = 4
So 22628-64-4 is a valid CAS Registry Number.