549502-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 549502-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,9,5,0 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 549502-99:
(8*5)+(7*4)+(6*9)+(5*5)+(4*0)+(3*2)+(2*9)+(1*9)=180
180 % 10 = 0
So 549502-99-0 is a valid CAS Registry Number.