The difference between pharmaceutical intermediates and apisPharmaceutical intermediates and apis both belong to the category of fine chemicals. Intermediates are materials produced in the process steps of apis that must undergo further molecular changes or refining to become apis. Intermediates can
Food-grade crosslinked polyvinylpyrrolidone (PVPP) is a high-molecular-weight polymer compound produced by the polymerization of vinylpyrrolidone monomers under specific conditions. It is insoluble in water, strong acids, strong bases, and common organic solvents. PVPP is formed by the crosslinking
Shanghai, China – June 26, 2025 — YEARN IMPORT AND EXPORT CO., LIMITED, a leading import and export trading company specializing in high-quality chemical raw materials, proudly participated in CPHI China 2025, held from June 24 to June 26 in Shanghai. The event provided an excellent platform for the