I. [Product Description] 
OPSS-PEG-PEI is a multifunctional organic intermediate that integrates the dynamic response characteristics of o-pyridyl disulfide bonds, the hydrophilicity of PEG chains, and the cationic loading capacity of PEI. This compound can be used as an efficient catalyst support or pharmaceutical intermediate, suitable for controlled assembly and the construction of targeted delivery systems, with excellent solvent compatibility and structural tunability.

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 freeze-thaw cycles. 
【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 at a low temperature below 4°C in a sealed and dry place. 
▪ Note: ▶To ensure product stability, please open the package for use only after constant-temperature drying! 

III. [Application Fields] 
1. Construction of dynamic cross-linking systems mediated by disulfide bonds in polymer materials. 
2. Surface functionalization modification of nano-carriers (e.g., coupling of targeting ligands). 
3. Development of directional coupling and controlled release systems for proteins/nucleic acids. 
4. Preparation of gene transfection complexes based on cationic polymers. 
5. Molecular design of intelligent responsive drug delivery platforms.

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. is based on an integrated business 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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