I. [Product Description]
SPDP-PEG-TPP3-(2-Pyridyldithio)propionic acid N-hydroxysuccinimide ester-polyethylene glycol-triphenyl phosphate is a multifunctional organic intermediate with both efficient chemical coupling ability and excellent biocompatibility. Its core value lies in the dynamic reversible characteristics of the disulfide bond of the SPDP group, the molecular regulation function of the PEG chain, and the stabilization function of TPP3, which are widely used in bioconjugation reactions, polymer material synthesis, and the construction of catalytic systems.

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.
【Solvents】 Conventional 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 place at a low temperature below 4°C.
▪ Notes: ▶ To ensure product stability, please open the package for use only after constant temperature drying!

III. [Application Fields]
1. As a reversible cross-linking agent in bioconjugation reactions for the directional connection of proteins/peptides to carriers.
2. A key intermediate for the surface functional modification of nanomaterials.
3. In polymer material synthesis, it regulates the molecular chain length and the balance of hydrophilicity and hydrophobicity.
4. As a ligand or stabilizer in catalytic systems to improve reaction efficiency.
5. Reversible assembly and dissociation of composite materials for in vitro research.

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 under 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 offer professional product customization services.

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Contact Information:
Landline: 023-62795528
Customer Service Hotline: 18896157519 丨 QQ: 3354316092
                                           19112925095 丨 QQ: 3012135199

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