497226-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497226-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,2,2 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 497226-56:
(8*4)+(7*9)+(6*7)+(5*2)+(4*2)+(3*6)+(2*5)+(1*6)=189
189 % 10 = 9
So 497226-56-9 is a valid CAS Registry Number.