5021-62-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5021-62-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,2 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5021-62:
(6*5)+(5*0)+(4*2)+(3*1)+(2*6)+(1*2)=55
55 % 10 = 5
So 5021-62-5 is a valid CAS Registry Number.