I. [Product Description] 
NH2-PEG-SPDP is a multifunctional organic intermediate with both amino active groups and pyridyldithiopropionate (SPDP) reaction sites. It can be used as an efficient crosslinking agent or catalyst in the field of bioconjugation. Its polyethylene glycol (PEG) chain provides excellent water solubility and biocompatibility, making it suitable for the modification and functional development of complex biological systems.

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

III. [Application Fields] 
1. Site-specific conjugation and labeling of biological macromolecules (such as proteins and antibodies). 
2. Surface functional modification of nanocarriers. 
3. Crosslinking bridging agent for controlled release systems. 
4. Immobilization of signal molecules in biosensors. 
5. Construction of targeted delivery systems for bioactive molecules.

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 R & D-production-sales business model, 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 offer 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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