A growing discipline has emerged in the pharmaceutical industry to obtain a quantitative life of a medication and its metabolites as a result of the invention of bio analytical methods.They developed a combination of instruments to evaluate the bio analysis of the medication.The term "LC-MS" refers to a bio-analytical technique that combines the mass analysis capabilities of mass spectrometry with the physical separation capabilities of liquid chromatography.The first mention of this combination dates back to 1967, & the initial LC-MS system was released in the 1980s.The main objectives of this are an overview of the concept, method development, & method validation.The main objectives of this are an overview of the concept, method development, & method validation.A quick summary of an introduction to HPLC's stationary phase is provided.The efficient development and validation of analytical techniques is an essential component of pharmaceutical research and development.Several crucial components which are essential to succeed in these industries will also aid in regulatory compliance.Experience, both the total experience of the department's validation development and validation department and the level of experience among the individual scientists, is one of these characteristics.A solid supervision and instruction program is another essential component for the creation and validation of methods that are successful.Businesses need to maintain a proper level of competency in this essential sector in order to produce medications that have been proven effective as well as secure.The most crucial instrument for identifying and measuring volatile and semi-volatile organic chemicals in complicated mixtures is gas chromatography-mass spectrometry.The quantification of contaminants in drinking water and wastewater, as well as the quantitation of pharmaceuticals as well as the metabolites they produce in blood and urine, are all often done using GC-MS.In contrast to LC-MS, GC-MS is utilized to detect residual solvents.