5889-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5889-55-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,8 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5889-55:
(6*5)+(5*8)+(4*8)+(3*9)+(2*5)+(1*5)=144
144 % 10 = 4
So 5889-55-4 is a valid CAS Registry Number.