I. [Product Description]
Casein-PEG-NPC is a functionalized organic intermediate with casein as the core, polyethylene glycol (PEG) as the linking arm, and nitrophenyl carbonate (NPC) as the active terminal group. Its core value lies in the biocompatibility modification through the flexible regulation of the PEG segment. The high reactivity of the NPC group enables it to serve as an efficient cross-linking agent or catalyst, which is widely used in the fields of bioconjugation, material surface functionalization, and polymer synthesis.

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

III. [Application Fields]
    1. Cross-linking and functionalization of biocompatible materials (Reference: ACS Biomaterials Science & Engineering)
    2. Controlled surface modification in the preparation of nanocarriers (Reference: Journal of Colloid and Interface Science)
    3. Site-specific conjugation and stabilization of enzymes or proteins (Reference: Bioconjugate Chemistry)
    4. Introduction of active groups in the modification of high molecular polymers (Reference: Polymer Chemistry)
    5. Linker design in the construction of molecular probes (Reference: Analytical Chemistry)

Remarks: The products sold by our company are only used 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:
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