For chemists and researchers working in the realms of biochemistry, molecular biology, and chemical synthesis, understanding the precise properties and handling requirements of reagents is paramount. Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt (Sulfo-GMBS sodium salt) is a valuable heterobifunctional crosslinking agent widely employed for bioconjugation. As a dedicated supplier and manufacturer, we aim to provide comprehensive information to ensure its optimal use, offering competitive pricing for those looking to buy this essential chemical from China.

Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt is characterized by its unique molecular structure, which includes a maleimide group and an N-hydroxysuccinimide (NHS) ester. The maleimide moiety is known for its selective reaction with sulfhydryl (thiol) groups, typically found in cysteine residues of proteins and peptides, forming a stable thioether bond. The NHS ester group, on the other hand, is highly reactive towards primary amines, such as those found in lysine residues or at the N-terminus of proteins, forming an amide bond. This dual reactivity makes it a powerful tool for creating specific covalent linkages between different biomolecules or between a biomolecule and a solid support.

A key feature that distinguishes Sulfo-GMBS sodium salt from many other crosslinkers is its enhanced water solubility, conferred by the presence of a sulfonate group. This property is highly advantageous for researchers conducting experiments in aqueous buffers, which are common in biological applications. The reagent dissolves readily, simplifying reaction setup and ensuring consistent reaction kinetics, thereby contributing to reproducible experimental outcomes. When purchasing this chemical, ensuring a high purity grade is crucial for minimizing unwanted side reactions and achieving the desired conjugation specificity.

Proper handling and storage of Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt are essential to maintain its reactivity and stability. The NHS ester group is susceptible to hydrolysis, particularly in the presence of moisture and at elevated temperatures or pH levels. Therefore, it is typically recommended to store the compound in a dry, cool environment, preferably at temperatures below -10°C or -20°C. When preparing solutions, it is best to use deionized water or a suitable buffer and to prepare solutions fresh for each experiment. For bulk purchases, understanding these handling requirements is key for maintaining product integrity throughout the supply chain. We encourage you to inquire for a quote and discuss your specific needs with our expert team.

By providing high-quality Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt, we empower chemists and scientists to drive innovation in various fields, including drug delivery, diagnostics, and fundamental biochemical research. We invite you to buy from us and experience the reliability and performance that our products offer. Contact us today to learn more about our offerings and how we can support your research and development initiatives.