Analytical chemistry is a fundamental pillar of modern pharmaceutical industries, playing a pivotal role in ensuring the quality, safety, and efficacy of drugs before they reach consumers. The success of any pharmaceutical product relies on the accuracy of chemical analyses conducted throughout various stages of manufacturing—from raw materials to the final product. Analytical chemistry contributes to verifying the identity of active ingredients and ensuring their purity, as well as their freedom from impurities or undesirable degradation products. It is also used to determine the quantitative composition of pharmaceutical substances, ensuring that dosages comply with approved standard specifications. This stage is particularly crucial due to the direct impact any deviation in concentration can have on patient safety and treatment efficacy. The pharmaceutical industry relies on a wide range of analytical techniques, such as High-Performance Liquid Chromatography (HPLC), Ultraviolet-Visible Spectroscopy (UV-Vis), Fourier-Transform Infrared Spectroscopy (FTIR), and Nuclear Magnetic Resonance Spectroscopy (NMR). These techniques are employed to monitor manufacturing processes, detect impurities, and study drug stability under various storage conditions. Analytical chemistry also plays a significant role in implementing global quality systems, such as Good Manufacturing Practices (GMP), by contributing to the documentation of analytical procedures and verifying the validity of the methods used. Compliance with these standards is a fundamental requirement for the approval and marketing of pharmaceutical products both locally and globally. In conclusion, analytical chemistry forms the backbone of ensuring drug quality and safety, providing precise scientific tools that help protect public health and enhance trust in pharmaceutical products. With continuous advancements in analytical technologies, the role of this field is expected to grow in developing safer and more effective drugs in the future.