Development and Validation of Stability Indicating High Performance Liquid Chromatographic Method for Olmesartan Medoxomil and Indapamide in Tablet Dosage Form

Author(s):  
Rucha A Patel ◽  
Meghna P. Patel ◽  
Hasumati A. Raj ◽  
Nehal Shah
Author(s):  
E. Amulya ◽  
N. Naveen Kumar ◽  
CH. Mounika ◽  
V. Kowmudi ◽  
N. Supriya ◽  
...  

A rapid and precise reverse phase high performance liquid chromatographic method has been developed for the validated of Trihexyphenidyl and Haloperidol, in its pure form as well as in tablet dosage form. Chromatography was carried out on a Altima C18 (4.6 x 150mm, 5μm) column using a mixture of Methanol: TEA Buffer pH 4.5: Acetonitrile (50:25:25) as the mobile phase at a flow rate of 1.0ml/min, the detection was carried out at 225 nm. The retention time of the Trihexyphenidyl and Haloperidol was 2.102, 3.537±0.02min respectively. The method produce linear responses in the concentration range of 15-75ppm of Trihexyphenidyland 37.5-187.5ppm of Haloperidol. The method precision for the determination of assay was below 2.0%RSD. The method is useful in the quality control of pharmaceutical formulations.


INDIAN DRUGS ◽  
2012 ◽  
Vol 49 (05) ◽  
pp. 61-64
Author(s):  
A. L Rao ◽  
◽  
R. V Bhaskara

A reverse phase high performance liquid chromatographic method was developed and validated asper ICH guidelines for estimation of trandolapril and verapamil in combined tablet dosage form. Theseparation was obtained using a mobile phase consisting of acetonitrile and phosphate buffer adjustingpH to 3.0 in the ratio of 70:30 v/v and using Waters C18 (250 x 4.6 mm, 5 mcm) column maintained atambient temperature. The flow rate was 1.2 mL min-1 and UV detection was monitored at 215 nm. Theretention time (min) and linearity range (mcg mL-1) for trandolapril and verapamil were (5.12, 2.70) and(20-60, 20-60), respectively. The method validation results are within the acceptance criteria for precision,accuracy and linearity. The proposed method was found to be suitable for routine quality control ofmarketed formulation containing these APIs.


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