I. [Product Description] 
HZ-PEG-VA Hydrazide-polyethylene glycol-valeric acid is a multifunctional organic intermediate that combines the high reactivity of hydrazide groups with the excellent biocompatibility of PEG segments. It is widely used in the fields of polymer coupling, nanomaterial modification, and catalyst support construction. Its unique molecular structure enables precise functional modification and is a key component in the synthesis of pharmaceutical intermediates 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 refrigerated 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, dry condition at a low temperature below 4°C. 
▪ Notes: ▶ To ensure product stability, please open the package for use only after constant-temperature drying! 

III. [Application Fields] 
    1. As a functionalized linking carrier in polymer coupling reactions (Reference: ACS Macro Letters). 
    2. For surface modification of nanoparticles to improve dispersion stability (Reference: RSC Advances). 
    3. In the preparation of biosensor interface materials (Reference: Analytical Chemistry). 
    4. In the construction of drug delivery system carriers (Reference: Journal of Controlled Release). 
    5. As a chemical tool for site-specific modification of proteins/peptides (Reference: Bioconjugate Chemistry).

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. operates based on an integrated 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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