I. [Product Introduction] 
SPA-PEG-OH (Succinimidyl Propionate-Polyethylene Glycol-Hydroxyl) is a multifunctional organic intermediate widely used in the synthesis of pharmaceutical intermediates and the modification of biomaterials. Its core value lies in the high biocompatibility of the PEG segment and the high reactivity of the succinimidyl ester, which enables efficient catalytic coupling reactions and is suitable for the precise construction of complex molecular structures.

II. [Product Details] 
    【Appearance】 Depending on the molecular weight, it appears as a white/off-white solid or a viscous liquid. 
    【Stability】 Store under refrigeration and avoid repeated freezing and thawing. 
    【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 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 Areas] 
    1. Cross-linking agent in biomolecular coupling reactions (refer to the Scopus database). 
    2. Surface functionalization modification of nanomaterials (ACS Applied Materials & Interfaces literature). 
    3. Hydrophilic modification of polymer materials (Polymer Chemistry journal). 
    4. Construction of drug delivery system carriers (Journal of Controlled Release research). 
    5. Protein/polypeptide stabilizer reagent (Bioconjugate Chemistry application). 

Note: The products sold by our company are only used for scientific research and cannot be used in human experiments or human treatment. 

Chongqing Yusi Pharmaceutical Technology Co., Ltd. is based on an integrated business model of independent research and development, 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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