28422-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28422-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,2 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28422-23:
(7*2)+(6*8)+(5*4)+(4*2)+(3*2)+(2*2)+(1*3)=103
103 % 10 = 3
So 28422-23-3 is a valid CAS Registry Number.