Tadalafil

HPLC Analysis of Sildenafil and Tadalafil on Heritage MA HPLC Column
Application description

Sildenafil and tadalafil are widely used pharmaceutical compounds belonging to the class of phosphodiesterase type 5 (PDE5) inhibitors. These drugs are commonly prescribed for the treatment of erectile dysfunction and pulmonary arterial hypertension. Accurate and reliable quantification of sildenafil and tadalafil is essential for pharmaceutical quality control and clinical research purposes. High-Performance Liquid Chromatography (HPLC) offers a robust method for their analysis. In this study, we present a method for the HPLC analysis of sildenafil and tadalafil utilizing a Heritage MA column. The utilization of the Heritage MA column in HPLC analysis provides a reliable method for the quantitative determination of sildenafil and tadalafil. This approach offers high sensitivity, selectivity, and reproducibility, making it suitable for pharmaceutical quality control and clinical research applications. Moreover, the versatility and robustness of the Heritage MA column ensure efficient separation and analysis of a wide range of pharmaceutical compounds, further enhancing its utility in drug development and regulatory compliance efforts. Sildenafil is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). It is a white to off-white crystalline powder with poor water solubility and moderate lipophilicity. Pharmacologically, sildenafil acts by inhibiting the breakdown of cGMP, leading to smooth muscle relaxation and vasodilation, thereby facilitating penile erection. Tadalafil is another potent and selective inhibitor of PDE5, with similar indications for the treatment of erectile dysfunction and pulmonary arterial hypertension. It is a yellow crystalline powder with slightly better water solubility compared to sildenafil. Like sildenafil, tadalafil functions by increasing cGMP levels, resulting in enhanced vasodilation and improved blood flow to the genital area. The Heritage MA column is a reversed-phase, anion-exchange and cation-exclusion column chromatography column. The Heritage MA column offers excellent resolving power, peak symmetry, and chemical stability, making it ideal for pharmaceutical and biomedical applications. Additionally, its compatibility with a wide range of mobile phases and detection systems enhances its versatility in HPLC analysis.

Conditions of Experiment
Column: Heritage MA
Separation Modes: reversed-phase
Column Dimenstions: 4.6x150 mm, 3 um, 100 A
Mobile Phase: ACN gradient from 10% to 70%, 19 mM ammonium formate pH 3
Detection: 275 nm
Sample: 0.1-0.1 mg/ml
Injection: 3 uL
Flow rate: 1 ml/min
Analytes
Class of compounds: Drug
Nature of compounds: Basic, Hydrophobic
Compounds: Sildenafil, Tadalafil