499209-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 499209-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,2,0 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 499209-20:
(8*4)+(7*9)+(6*9)+(5*2)+(4*0)+(3*9)+(2*2)+(1*0)=190
190 % 10 = 0
So 499209-20-0 is a valid CAS Registry Number.