I. [Product Description]
OPSS-PEG-EPOX (o-Pyridyl disulfide/Thiopyridyl-Polyethylene glycol-Epoxide) is a multifunctional organic intermediate with both high-efficiency catalytic activity and biocompatibility. It is widely used in the synthesis of pharmaceutical intermediates and the cross-linking of polymer materials. Its o-pyridyl disulfide bond enables controllable cleavage and thiol coupling, while the epoxide group provides active sites for surface modification and functionalization. Combined with the hydrophilicity and adjustable molecular weight characteristics of the PEG segment, it is suitable for directional modification reactions in complex chemical environments.

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

III. [Application Fields]
    1. Biomolecular cross-linking: Realize the controllable coupling of biological macromolecules such as proteins and nucleic acids through the o-pyridyl disulfide bond.
    2. Surface modification of nanomaterials: Construct functional coatings on the surface of metal/polymer nanoparticles using the epoxide group.
    3. Synthesis of polymer materials: As an intermediate for the synthesis of block copolymers to regulate the hydrophilic-hydrophobic balance of materials.
    4. Development of drug delivery systems: Prolong the circulation time and optimize the carrier stability through the PEG segment.
    5. Construction of catalytic systems: Design metal catalytic complexes based on the coordination ability of thiopyridyl.

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

Chongqing Yusi Pharmaceutical Technology Co., Ltd. operates under an integrated business model of independent R & D, production, and sales, providing professional scientific 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.

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Contact Information:
Landline: 023-62795528
Customer Service Hotline: 19112925095 丨 QQ: 3012135199
                                           18896157519 丨 QQ: 3354316092

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