2523-64-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2523-64-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,2 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2523-64:
(6*2)+(5*5)+(4*2)+(3*3)+(2*6)+(1*4)=70
70 % 10 = 0
So 2523-64-0 is a valid CAS Registry Number.