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Asian Journal of Research in Pharmaceutical Science
Year : 2017, Volume : 7, Issue : 2
First page : ( 105) Last page : ( 111)
Print ISSN : 2231-5640. Online ISSN : 2231-5659.
Article DOI : 10.5958/2231-5659.2017.00016.9

Application of Validated UPLC/Q-TOF-MS Method for Simultaneous Determination of Telmisartan, Hydrochlorothiazide and their Degradation Products in Tablets

Khan Hamid1,*, Ali Mushir2, Ahuja Alka2, Ali Javed2

1JK College of Pharmacy, Bilaspur, Chhattisgarh India-495001

2Department of Pharmaceutics, Faculty of Pharmacy, Hamdard University, New Delhi, India-110062

*Corresponding Author E-mail: khanhamid770@gmail.com

Online published on 18 September, 2017.


In the presented work the ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometric (UPLC/Q-TOF-MS) method is developed for simultaneous determination of telmisartan, hydrochlorothiazide and their degradation products in tablets. For identification of drugs, the Q-TOF mass spectrometer was operated in negative ionization mode and quantification was done using the MS/MS transitions at m/z 513.18 to 469.13 for telmisartan, and 268.90 to 204.94 for hydrochlorothiazide. For quantification, the chromatographic separation was achieved on Acquity UPLCTM BEH C18 (100.0 × 2.1 mm, 1.7μm) column using isocratic mobile phase consisting of acetonitrile-2mM ammonium acetate (50: 50, v/v) at a flow rate of 0.25 mL/min. The elution of telmisartan and hydrochlorothiazide was occurred at 2.25 and 1.22 min, respectively. The calibration curves were linear over the concentration range of 1–1000 ng/mL for both the drugs. The developed method was validated according to ICH guidelines.



UPLC/Q-TOF-MS, Telmisartan, Hydrochlorothiazide, Validation, Degradation Study.


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