52-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52-64-2 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 52-64:
(4*5)+(3*2)+(2*6)+(1*4)=42
42 % 10 = 2
So 52-64-2 is a valid CAS Registry Number.