497-69-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497-69-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,9 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 497-69:
(5*4)+(4*9)+(3*7)+(2*6)+(1*9)=98
98 % 10 = 8
So 497-69-8 is a valid CAS Registry Number.