I. [Product Description]
TF-PEG-NPC (Transferrin-Polyethylene Glycol-Nitrophenyl Carbonate, CAS 11096-37-0) is a multifunctional organic intermediate. It achieves efficient coupling through the active group of nitrophenyl carbonate (NPC), combining the targeting ability of transferrin and the stability of PEG. Its core value lies in being used as a pharmaceutical intermediate or a catalyst carrier, suitable for biomolecule modification and the construction of functional materials, which can significantly improve water solubility and reaction controllability.

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

III. [Application Areas]
    1. As an efficient cross-linking agent in biomolecule coupling reactions (Reference: Sigma-Aldrich technical literature).
    2. Functional modification of targeted nanocarriers (Reference: ACS Applied Materials & Interfaces).
    3. Hydrophilic modification of polymer material surfaces (Reference: Polymer Chemistry journal).
    4. Development of enzyme immobilization and catalyst loading systems (Reference: RSC Advances database).
    5. Construction of protein-polymer complexes (Reference: Bioconjugate Chemistry).

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. 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: 19112925095 丨 QQ: 3012135199
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