Merck D-Mannitol Description Merck D-Mannitol is a bioactive small molecule used extensively in laboratory research and industrial applications as a carbon source, osmotic agent, and excipient. This polyol is commonly employed in cell culture media, biochemical assays, and formulation development to maintain osmotic balance or as a stabilising agent for sensitive biological compounds. Its high purity and consistent chemical properties make it a reliable component for standardising experimental conditions across various scientific workflows. Key Features Acts as an effective osmotic diuretic and cell-protecting agent in biological systems. Serves as a versatile carbon source for microbial fermentation and metabolic studies. Provides chemical stability as an excipient in pharmaceutical and diagnostic formulations. Highly soluble in water, facilitating easy integration into liquid media and buffers. Applications Cell culture media supplementation for osmotic pressure regulation. Formulation of pharmaceutical excipients and stabilising agents. Biochemical assays and metabolic research involving carbohydrate pathways. Microbial growth and fermentation processes. Specifications Chemical Name: D-Mannitol CAS Number: 69-65-8 Molecular Formula: C6H14O6 Grade: Bioactive Small Molecule