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Abstract

This compilation synthesizes current knowledge on pharmaceutical quality control, emphasizing its critical role in patient safety
and therapeutic efficacy. It covers stringent quality control measures across the drug lifecycle, advanced analytical techniques for
identity, purity, and potency verification, and the challenges posed by complex formulations and counterfeit drugs. The importance of
method validation, regulatory compliance, and emerging areas like biosimilars and supply chain integrity are highlighted. Principles
of Quality by Design and stability testing are discussed, underscoring their contribution to ensuring consistent drug quality and
performance.