I. [Product Description]
OPSS-PEG-COOH is a multifunctional organic intermediate that combines the high-activity cross-linking properties of ortho-pyridyl disulfide (OPSS) with the biocompatibility of polyethylene glycol (PEG). It is suitable for coupling reactions, surface modification, and the construction of catalytic systems. The terminal carboxyl group (-COOH) can be further derivatized, making it an ideal choice for bioconjugation, polymer material modification, and functionalized reagents.

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

III. [Application Fields]
    1. Surface functional modification of polymer materials (e.g., PLGA, PLA, etc.)
    2. Targeted ligand coupling of nanoparticles (gold nanoparticles, liposomes)
    3. Reversible thiol cross-linking and purification of proteins/enzymes
    4. Controllable loading and release systems for fluorescent probes or markers
    5. Oriented immobilization in the construction of biosensor interfaces

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

Chongqing Yusi Pharmaceutical Technology Co., Ltd. operates based on an integrated business model of independent R & D-production-sales, providing professional 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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