Neurosyil Preparative Columns: C18 200A* are high-efficiency HPLC columns designed for the purification of medium to large biomolecules. With a 200Å pore size and C18 bonded phase, these columns provide excellent retention, resolution, and flow characteristics, making them ideal for peptides, oligonucleotides, and hydrophobic compounds. The optimized pore structure ensures effective mass transfer and loading capacity, suitable for both research-scale and production-scale preparative chromatography. NEUROSYIL C18 200A* columns deliver reliable performance with consistent reproducibility.