I. [Product Description] 
SAS-PEG-NH₂ (Alkyl Sulfonate-Polyethylene Glycol-Amine) is a multifunctional organic intermediate. It combines the hydrophilicity of sulfonate and the high reactivity of amino groups, and can adjust the molecular compatibility through the PEG chain. It is widely used in the fields of bioconjugation, polymer material modification, and catalyst support. Its modular design supports precise customization to meet complex synthesis requirements.

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】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. 
▪ Note: ▶ To ensure product stability, please open the package for use only after constant-temperature drying! 

III. [Application Fields] 
    1. Cross-linking agent in biomolecular coupling reactions (e.g., protein/nucleic acid labeling) 
    2. Surface functionalization modification of nanoparticles 
    3. Synthesis of amphiphilic block copolymers 
    4. Modification of chromatographic separation materials 
    5. Construction of catalyst immobilization carriers 

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. operates based on an integrated business model of independent R & D, production, and 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 have other product needs, please contact us: 
Contact Information: 
Landline: 023-62795528 
Customer Service Hotline: 19112925095 丨 QQ: 3012135199
                                           18896157519 丨 QQ: 3354316092 

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