22564-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22564-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,6 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 22564-72:
(7*2)+(6*2)+(5*5)+(4*6)+(3*4)+(2*7)+(1*2)=103
103 % 10 = 3
So 22564-72-3 is a valid CAS Registry Number.