224561-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 224561-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,4,5,6 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 224561-31:
(8*2)+(7*2)+(6*4)+(5*5)+(4*6)+(3*1)+(2*3)+(1*1)=113
113 % 10 = 3
So 224561-31-3 is a valid CAS Registry Number.