I. [Product Description]
NH2-PEG-COOtBu (Amino-polyethylene glycol-tert-butyl propionate, CAS 1260092-46-3) is a multifunctional organic intermediate with the characteristics of both pharmaceutical intermediates and polymer material modification carriers. The PEG segment in its structure endows it with excellent water solubility and reactivity, and the tert-butyl ester group provides a protective group function, facilitating subsequent controllable deprotection and functional modification. It is widely used in catalytic reaction systems and polymer synthesis fields.

II. [Product Details]
    【Appearance】 Depending on the molecular weight, it appears as a white/ off-white solid or a viscous liquid.
    【Stability】 Store it in a refrigerator 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 Condition】 Store it in a sealed and dry condition at a low temperature below 4°C.
▪ Notes: ▶ To ensure product stability, please make sure to open the package for use after constant temperature drying!

III. [Application Fields]
    1. Surface functional modification of bioactive molecule delivery systems.
    2. End group activation of polymer materials and synthesis of block copolymers.
    3. Construction of carriers for site-specific coupling reactions of proteins/peptides.
    4. Controllable grafting of ligands on the surface of nanoparticles.
    5. Interface modification of metal-organic framework (MOF) materials.

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

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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