497233-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497233-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,2,3 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 497233-85:
(8*4)+(7*9)+(6*7)+(5*2)+(4*3)+(3*3)+(2*8)+(1*5)=189
189 % 10 = 9
So 497233-85-9 is a valid CAS Registry Number.