I. [Product Description]
OPSS-PEG-NBD (o-Pyridyldisulfide/Thiopyridine-Polyethylene Glycol-Nitrobenzoxadiazole) is a multifunctional organic intermediate with both high-efficiency thiol reaction activity and fluorescence labeling properties. It is widely used in the fields of bioconjugation and polymer synthesis. Its core value lies in achieving precise conjugation through reversible disulfide bonds. Coupled with customizable PEG chain lengths, it can optimize the solubility and stability of the product, making it a key component in the modification of biological materials and the construction of catalyst carriers.

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

III. [Application Fields]
1. As a thiol-specific cross-linker in bioconjugation reactions (Bioconjugate Chem. 2023)
2. As a linking arm for the surface functionalization modification of nanomaterials (ACS Nano 2022)
3. For the construction of fluorescent probes to monitor the progress of chemical reactions in real-time (Anal. Chem. 2021)
4. As a controllable self-assembly module in polymer synthesis (Macromolecules 2020)
5. For the development of soluble carriers in heterogeneous catalytic systems (Org. Process Res. Dev. 2019)

Remarks: 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 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 offer professional product customization services.

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Contact Information:
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