224824-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 224824-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,4,8,2 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 224824-21:
(8*2)+(7*2)+(6*4)+(5*8)+(4*2)+(3*4)+(2*2)+(1*1)=119
119 % 10 = 9
So 224824-21-9 is a valid CAS Registry Number.