496-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 496-99-1 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 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 496-99:
(5*4)+(4*9)+(3*6)+(2*9)+(1*9)=101
101 % 10 = 1
So 496-99-1 is a valid CAS Registry Number.