I. [Product Description]
FA-PEG-Tosyl is a folic acid-targeting group-modified polyethylene glycol tosylate derivative. As a highly reactive organic intermediate, it is widely used in the fields of bioconjugation and functionalized material preparation. The PEG segment in its molecular structure provides excellent water solubility and stability, and the Tosyl group can serve as an efficient catalyst or activation site, suitable for the synthesis of pharmaceutical intermediates and the assembly of complex molecules.

II. [Product Details]
    【Appearance】Depending on the molecular weight, it exists as a white/off-white solid or a viscous liquid.
    【Stability】Store under refrigeration and avoid repeated freeze-thaw cycles.
    【Solvents】Common organic solvents such as chloroform, dichloromethane, and DMSO.
    【Molecular Weight】(PEG): 2000, 3400, 5000. Other molecular weights can be customized.
    【Storage Conditions】Store at a low temperature below 4°C in a sealed and dry environment.
▪ Precautions: ▶ To ensure product stability, please open the packaging for use only after constant-temperature drying!

III. [Application Fields]
    1. Construction of functionalized carriers for targeted delivery systems.
    2. Surface modification and stability optimization of nanomaterials.
    3. Ligand-receptor coupling reactions in biosensors.
    4. Controllable crosslinking and functional modification of polymer materials.
    5. Site-specific labeling of proteins/peptides.

Note: 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. operates on an integrated business model of independent R & D-production-sales, providing professional scientific 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 provide professional product customization services.

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

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