20089-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20089-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,8 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20089-48:
(7*2)+(6*0)+(5*0)+(4*8)+(3*9)+(2*4)+(1*8)=89
89 % 10 = 9
So 20089-48-9 is a valid CAS Registry Number.