Stability-Indicating RP-HPLC Method for Simultaneous Estimation of Enrofloxacin and Its Degradation Products in Tablet Dosage Forms

Table 11

Solution stability results of standard and control sample at room temperature.

Name of the impurity	Time interval
	Initial	After 24 hours	%Difference
%Assay of standard solution	99.7	99.4	0.3
%Decarboxylated impurity	0.01	0.01	0.00
%FQ acid impurity	0.01	0.01	0.00
%ED impurity	Not applicable	Not applicable	Not applicable
%Desfluoro impurity	Not applicable	Not applicable	Not applicable
%Cipro base impurity	0.06	0.05	0.01
%Chloro impurity	0.12	0.11	0.01
%Unknown impurity	0.05	0.05	0.00