224031-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 224031-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,4,0,3 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 224031-55:
(8*2)+(7*2)+(6*4)+(5*0)+(4*3)+(3*1)+(2*5)+(1*5)=84
84 % 10 = 4
So 224031-55-4 is a valid CAS Registry Number.