224953-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 224953-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,4,9,5 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 224953-69:
(8*2)+(7*2)+(6*4)+(5*9)+(4*5)+(3*3)+(2*6)+(1*9)=149
149 % 10 = 9
So 224953-69-9 is a valid CAS Registry Number.