A novel gradient reverse phase liquid chromatographic (RP-HPLC) method is developed and validated for the determination of purity of 2,4,6 Trifluro benzoic acid (TBA) in presence of its related impurities.TBA is very important key raw material used in the process development of Active Pharmaceutical Ingredient (API), Lasmiditan Hemisuccinate.The impurities formed during the synthesis of TBA will d...