by maheshbhuva | Oct 3, 2026 | Analytical method development hplc,, Cleaning validation, Quality control (QC)
Product Quality Review (PQR / APQR) ​Answer: The PQR demonstrates the consistency of the commercial manufacturing process and the appropriateness of specifications. It must encompass: ​Review of raw materials and packaging materials (especially from new suppliers).... by maheshbhuva | Oct 2, 2026 | Analytical Chemistry, Pharmacopea, Quality control (QC)
Answer: A PQS establishes a state of control across the four product lifecycle stages (Development, Technology Transfer, Commercial Manufacturing, and Product Discontinuation). The four core enablers and management pillars are: ​Process Performance and Product Quality...