55089-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55089-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,8 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55089-99:
(7*5)+(6*5)+(5*0)+(4*8)+(3*9)+(2*9)+(1*9)=151
151 % 10 = 1
So 55089-99-1 is a valid CAS Registry Number.