I. [Product Description]
BSA-PEG-SS is an organic intermediate based on the coupling of bovine serum albumin (BSA) and polyethylene glycol (PEG) through a disulfide bond (SS). It combines biocompatibility and controllable degradation characteristics and is widely used in the fields of bioconjugation, polymer material synthesis, and nanocarrier preparation. Its disulfide bond structure enables a reduction-sensitive response and is a key functional material for the development of pharmaceutical intermediates and the design of catalytic reaction systems.

II. [Product Details]
    【Appearance】Depending on the molecular weight, it appears as a white/off-white solid or a viscous liquid.
    【Stability】Store under refrigeration and avoid repeated freeze-thaw cycles.
    【Solvent】Conventional organic solvents such as chloroform, dichloromethane, and DMSO.
    【Molecular Weight】(PEG): 2000, 3400, 5000. Other molecular weights can be customized.
    【Storage Conditions】Store at a low temperature below 4°C in a sealed and dry environment.
▪ Precautions: ▶To ensure product stability, please open the package for use only after constant-temperature drying!

III. [Application Areas]
    1. Functional cross-linking agent in polymer material synthesis.
    2. Reduction-responsive connection module in nanocarrier construction.
    3. Biomolecule immobilization matrix in biosensor development.
    4. Protein modification and design of controllable release systems.
    5. Multi-level assembly intermediate for targeted delivery systems.

Note: The products sold by our company are only for scientific research and cannot be used for human experiments or human treatment.

Chongqing Yusi Pharmaceutical Technology Co., Ltd. operates under an integrated R & D-production-sales business model, providing professional research reagents for university scientific research experiments. Compared with similar products on the market, our company's products have obvious price advantages. In addition, we also offer professional product customization services.

If you need other products, please contact us:
Contact Information:
Landline: 023-62795528
Customer Service Hotline: 19112925095 丨 QQ: 3012135199
                                           18896157519 丨 QQ: 3354316092

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