I. [Product Description]
SA-PEG-COOH (Stearic acid-Polyethylene glycol-Carboxyl) is a multifunctional amphiphilic organic intermediate that combines the hydrophobic chain segment of stearic acid with the hydrophilic properties of PEG. It can be used for targeted modification through the carboxyl group. As a high-performance pharmaceutical intermediate, it has important application values in the construction of nano-carriers, the synthesis of biocompatible materials, and the development 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 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 Conditions】 Store it in a sealed and dry condition 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 Fields]
1. Surface functional modification of nanoparticles (ACS Nano, 2023)
2. Development of amphiphilic polymer self-assembled materials
3. Cross-linking agents for biodegradable polymers
4. Construction of protein/antibody coupling carriers
5. Phase-transfer catalysts in organic synthesis reactions

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

Chongqing Yusi Pharmaceutical Technology Co., Ltd. operates based on an integrated business model of independent R & D, production, and 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: 18896157519 丨 QQ: 3354316092
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