I. [Product Description]
COOH-PEG-TK-PEG-COOH is a multifunctional organic intermediate that combines the chemical reactivity of carboxyl end groups with the excellent water solubility and biocompatibility of polyethylene glycol (PEG). The ketal thiol (TK) group in its core structure can serve as a dynamic responsive crosslinking agent and is widely used in the synthesis and functional modification of polymer materials. It is of great value in the preparation of pharmaceutical intermediates and the construction of catalytic systems.

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 freezing and thawing.
    【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 and dry condition at a low temperature below 4°C.
▪ Precautions: ▶ To ensure product stability, please open the package for use after constant temperature drying!

III. [Application Fields]
    1. Used as a pH/reduction responsive crosslinking agent for the synthesis of intelligent hydrogels.
    2. Constructed into degradable nanocarriers for drug delivery systems.
    3. Functionally modify the surface of inorganic nanoparticles to enhance dispersibility.
    4. Serve as a dicarboxylic acid activation intermediate in bioconjugation reactions.
    5. Introduce hydrophilic segments in polymer material modification.

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 operation model of self-research-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.

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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