The ChromX® C4 column features a butyl-bonded phase that offers moderate hydrophobicity compared to ChromX® C18 and C8 columns, making it ideal for biomolecular separations. Its pronounced silanophilic activity enhances interactions with analytes, ensuring superior performance in protein and peptide analysis. Built with full-coverage bonded silica packing, the ChromX® C4 provides outstanding column stability, durability, and reproducibility across multiple batches. Delivering high selectivity and exceptional efficiency, it enables precise separation of peptides, proteins, and pharmaceutical compounds. This column is a perfect choice for laboratories seeking consistent, high-quality results in bioanalytical and pharmaceutical applications.