I. [Product Description] 
Tosylate-DNP-PEG-NHS is a multifunctional organic intermediate. Through the synergistic effect of tosylate, dinitrophenyl (DNP), and N-hydroxysuccinimide ester (NHS), it significantly improves the efficiency and selectivity of coupling reactions. Its polyethylene glycol (PEG) chain can enhance water solubility and biocompatibility, and it is widely used in the synthesis of pharmaceutical intermediates and the construction of catalytic systems.

II. [Product Details] 
    【Appearance】 Depending on the molecular weight, it appears as a white/off-white solid or a viscous liquid. 
    【Stability】 Store it 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 it in a sealed and dry place 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 modification of functional polymers in materials science 
    2. Targeted molecular labeling in bioconjugation technology 
    3. Directional functional modification of nanoparticles 
    4. Hydrophilic modification of polymer materials 
    5. Construction of chemical sensor probes 

Note: The products sold by our company are only for scientific research and cannot be used for 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 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 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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