ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): GVH Raju, S Ganapathy, DG Sankar, PY Naidu

Email(s): gadepalli_raj@yahoo.com

DOI: Not Available

Address: GVH Raju*, S Ganapathy, DG Sankar and PY Naidu
*Corresponding Author

Published In:   Volume - 3,      Issue - 2,     Year - 2010


ABSTRACT:
Fast LC method has been developed and subsequently validated for the determination of Tadalafil and its intermediates in bulk and pharmaceutical formulation. Separation was achieved in Gradient mode using Peerless HT gold, C18, 50 x 4.6 mm, 1.8µm column with mobile phase A containing Potassium Dihydrogen Phosphate buffer (pH adjusted to 3.0±0.05 with Orthophosphoric acid) and mobile phase B containing Methanol 100% at different time intervals as eluent at a flow rate 0.8ml/min. UV detection was performed at 220nm.The method is simple, rapid, selective and stability indicating .The described method is linear over a range of 12.5748µg/mL to 76.4548µg/mL.The method precision for the determination of assay was below 2.0% RSD .The Percentage recoveries of Active Pharmaceutical Ingredient(API) from dosage forms ranged from 101.0 to 102.1 for all available strengths of Tadalafil in market. LOD and LOQ of all related impurities of Tadalafil was established and ranged from 0.006µg/ml - 0.011µg/ml for LOD and 0.018µg/ml - 0.033µg/ml for LOQ .The method is useful in the quality control of bulk manufacturing and also in pharmaceutical formulations.


Cite this article:
GVH Raju, S Ganapathy, DG Sankar, PY Naidu. Stability Indicating Fast LC Method for Determination of Tadalafil and Its Intermediates in Bulk and Pharmaceutical Formulation. Asian J. Research Chem. 3(2): April- June 2010; Page 447-453.


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DOI: 10.5958/0974-4150 

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