I. [Product Description]
Tosyl-PEG-His is a multifunctional organic intermediate. Through the synergistic effect of the tosyl activating group, the polyethylene glycol (PEG) flexible segment, and the histidine functional group, it significantly enhances the reaction efficiency and selectivity of the compound in the catalytic system. This product can be used as a pharmaceutical intermediate and a catalyst carrier, and is widely applied in fields such as bioconjugation and polymer material modification. It has both excellent solubility and chemical stability.

II. [Product Details]
    【Appearance】 Depending on the molecular weight, it appears as a white/off-white solid or a viscous liquid.
    【Stability】 Store in a refrigerator 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 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. Catalyst support system: Used as a functionalized carrier in transition-metal-catalyzed reactions.
    2. Organic synthesis intermediate: Participates in amino/thiol-directed coupling reactions.
    3. Material surface modification: Improves the biocompatibility and functional modification of polymer materials.
    4. Bioconjugation reaction: Used for the site-specific labeling and purification of proteins/peptides.
    5. Polymer material modification: Enhances the hydrophilicity and reaction activity of polymer segments.

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.

If you need other products, please contact us:
Contact Information:
Landline: 023-62795528
Customer Service Hotline: 19112925095 丨 QQ: 3012135199
                                           18896157519 丨 QQ: 3354316092

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