5002-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5002-22-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,0 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5002-22:
(6*5)+(5*0)+(4*0)+(3*2)+(2*2)+(1*2)=42
42 % 10 = 2
So 5002-22-2 is a valid CAS Registry Number.