I. [Product Description]
COOH-PEG-TK-Mal is a multifunctional organic intermediate with carboxyl, maleimide, and ketal thiol (TK) reactive groups. It is suitable for the precise coupling and modification of complex molecular structures. Its PEG chain can significantly improve water solubility and biocompatibility. It is an efficient functional linking agent in the development of pharmaceutical intermediates and catalytic reactions.

II. [Product Details]
    【Appearance】 Depending on the molecular weight, it appears as a white/off-white solid or viscous liquid.
    【Stability】 Store refrigerated and avoid repeated freezing and thawing.
    【Solvents】 Common 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 condition.
▪ Note: ▶ To ensure product stability, please open the package for use after constant temperature drying!

III. [Application Fields]
    1. Directional coupling and surface functional modification of biological macromolecules and nanoparticles.
    2. Reductive sensitive cross-linking design of TK groups in responsive polymer materials.
    3. Construction of maleimide-mediated thiol-specific labeling reaction systems.
    4. Application of PEGylated carriers in biocompatible coating technology.
    5. Development of modular linking strategies in multifunctional organic synthesis.

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. is based on an integrated business model of independent R & D-production-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 provide professional product customization services.

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

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