Research Article

Development and Validation of Stability Indicating RP-HPLC Method for Estimation of Satranidazole from Its Formulation

Table 2

Comparison of the performance characteristics of the present method with the published methods.

S. numberMethod/mobile phaseColumn/stationary phase Wavelength (nm)Retention time (min)Linearity rangeApplicationReference number

1RP-HPLC/acetonitrile: 0.025 M
ammonium phosphate buffer: 1.0%
orthophosphoric acid (65 : 35 : 5)
Isocratic ODS C18 (250 × 4.6 mm i.d., 5  m) column3185.637 5–40  g/mLPharmaceutical dosage forms[3]

2HPLC/20 mM potassium dihydrogen orthophosphate: acetonitrile (60 : 40) containing 0.1%
acetic acid
Inertsil ODS 3V, (250 × 4.6 mm, 5  m)3185.40.05–15.00  g/mLPlasma samples[4]

4HPTLC/chloroform-methanol, 10 + 0.5 (v/v)TLC aluminium plates precoated with silica gel 60F-254317200 and 1000 ng.STZ tablets[5]

5HPTLC/toluene: acetonitrile (60 : 40, v/v)TLC aluminium plates precoated with silica gel 60F-254314100–500 ng/spotBulk drug and formulations[6]

7Spectrophotometric estimation:
Method A: absorption maxima method
Method B: first order derivative spectroscopy
Method C: area under curve method
Method A-320, Method B-290, and Method C-325—315 nm5–35  g/mL for Method A and 5–40  g/mL for Method B and Method CSTZ tablet formulation[7]

9Simultaneous estimation of Ofloxacin and STZ
RP-HPLC/20 mM potassium dihydrogen phosphate: acetonitrile in the ratio of 60 : 40 (v/v) containing 0.1% glacial acetic acid
Kromasil C18 column (250 × 4.6 mm, 5  m)318Ofloxacin ~ 2.29
STZ ~ 4.80
1.5 to 3.6  g/mL and 1.0 to 2.4  g/mL, STZ and Ofloxacin, respectivelyOfloxacin and STZ tablets[8]

10Simultaneous estimation of Ofloxacin and STZ
RP-HPLC/acetonitrile: phosphate buffer (pH3) in ratio of 35 : 65 (v/v)
HiQSil C18W (250 mm × 4.6 mm i.d., 5  m) 296 nm
For Ofloxacin and 320 nm for STZ.
Ofloxacin-2.85
STZ-6.28,
5–50  g/mL, STZ and OfloxacinOfloxacin and STZ tablets[9]

11RP-HPLC/orthophosphoric acid buffer, pH 3: acetonitrile (60 : 40) (v/v)Hypersil C18 column (250 mm × 4.6 mm, 5  m)320 nm4.310 to 60 ppmStability indicating methodPresent work