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Research Journal of Pharmacy and Technology
Year : 2019, Volume : 12, Issue : 6
First page : ( 2847) Last page : ( 2850)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2019.00479.7

New RP-UPLC method for The Simultaneous Determination of Haloperidol and Benzhexol in Tablets

Pudi Rajesh*, Mathrusri Mukthinuthalapati

Department of Pharmaceutical Analysis and Quality Assurance, GITAM Institute of Pharmacy, GITAM (Deemed to be University), Visakhapatnam, Andhra pradesh-530045, India

*Corresponding Author E-mail: pr.rajeshpudi@gmail.com

Online published on 8 August, 2019.


Haloperidol is an anti-psychotic drug and Benzhexol (Trihexyphenidyl) is an anticholinergic drug. A newstability indicating UPLC method has been developed for the simultaneous determination of Haloperidol and Benzhexol and the method was validated. Waters UPLC with Empower software, with Acquity UPLC SB C18 x 1.7μ. column and PDA detector was used for the simultaneous determination of Haloperidol and Benzhexol. A mixture of phosphate buffer and Acetonitrile taken in the ratio 56: 44 v/v was used as mobile phase with a flow rate of 0.2 ml/min (UV detection at 245 nm) (Injection volume 1μl). Haloperidol and Benzhexol have shown linearregression equations, y=13361x+476.2(R² = 0.9998) and y =10609 x + 899.5 (R² = 0.9998). The LOD and LOQ are found to be 0.03 μg/mL and 0.10 μg/mL for Haloperidol and 0.03μg/mL and 0.09 μg/mL for Benzhexolrespectively. The present liquid chromatographic method is precise, accurate and can be used for the simultaneous estimation of Haloperidol and Benzhexol tablets.



Haloperidol, Benzhexol (Trihexyphenidyl), RP-UPLC, Isocratic mode, Validation.


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