I. [Product Description]
PEG-Me-CH2CH2COOH (CAS: 125220-94-2) is a functionalized polyethylene glycol derivative with both hydrophilicity and terminal carboxylic acid reactivity. It can be used as an organic or pharmaceutical intermediate in polymer coupling reactions and surface modification. Its amphiphilic structure is particularly suitable for the functionalization of nanomaterials and catalyst support systems, and it has important value in the field of controlled synthesis.

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】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 container at a low temperature below 4°C.
▪ Precautions: ▶ To ensure product stability, please open the package only after constant-temperature drying!

III. [Application Fields]
    1. Introduction of hydrophilic groups and functional modification in polymer material synthesis.
    2. Oriented coupling of carboxylic acid groups on the surface of nanoparticles (e.g., gold/silica particles).
    3. Enhancement of solubility and optimization of stability of biomolecules (proteins/peptides).
    4. Interface engineering of carrier materials in industrial catalytic systems.
    5. Design of amphiphilic surfactant molecular structures.

Remarks: 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 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.

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