5623-22-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5623-22-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,2 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5623-22:
(6*5)+(5*6)+(4*2)+(3*3)+(2*2)+(1*2)=83
83 % 10 = 3
So 5623-22-3 is a valid CAS Registry Number.