745-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 745-22-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 745-22:
(5*7)+(4*4)+(3*5)+(2*2)+(1*2)=72
72 % 10 = 2
So 745-22-2 is a valid CAS Registry Number.