53-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53-88-3 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 53-88:
(4*5)+(3*3)+(2*8)+(1*8)=53
53 % 10 = 3
So 53-88-3 is a valid CAS Registry Number.