I. [Product Description]
Tosyl-PEG-EPOX (Tosyl group-Polyethylene glycol-Epoxide) is a multifunctional organic intermediate that combines the high reactivity of the Tosyl group with the biocompatibility of the PEG chain. It can serve as a key linker in the synthesis of pharmaceutical intermediates and polymer materials. Its epoxide group provides an efficient site for cross-linking reactions and has important application value in the construction of catalytic systems and the development of functional materials.

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

III. [Application Fields]
1. Construction of functionalized cross-linked networks in polymer materials (ACS Macro Letters, 2022)
2. Oriented coupling of active groups in surface modification technology (Langmuir, 2021)
3. Epoxy group modification for functional grafting of nanocarriers (J. Mater. Chem. B, 2023)
4. Immobilization of molecular probes in the interface of biosensors (Analytical Chemistry, 2020)
5. Development of matrix materials for catalyst support systems (ChemCatChem, 2019)

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 mode of independent R & D, production, and sales, providing professional research reagents for scientific experiments in universities. 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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Contact Information:
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Customer Service Hotline: 18896157519 丨 QQ: 3354316092
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