I. [Product Description]
Mal-PEG-leucine is a functionalized polyethylene glycol-leucine complex containing maleimide active groups, which has important application value as a new type of organic intermediate in the field of bioconjugation. Through precise regulation of the PEG molecular weight, it can achieve a balance between hydrophilicity and hydrophobicity, and is particularly suitable as a pharmaceutical intermediate for constructing targeted carrier systems. The high reactivity of the maleimide group makes it an ideal catalyst medium for site-specific modification of biomolecules.

II. [Product Details]
【Appearance】 Depending on the molecular weight, it appears as a white/whitish solid or 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, dry condition at a low temperature below 4°C.
▪ Note: ▶ To ensure product stability, please open the package for use only after constant-temperature drying!

III. [Application Fields]
1. Interface functional modification of targeted drug delivery systems (Data source: PubMed literature database)
2. Coupling and bridging for site-specific labeling of proteins/antibodies (Reference: Sigma-Aldrich technical document)
3. Construction of responsive functional groups for intelligent hydrogels (Source: ACS Applied Materials & Interfaces)
4. Biocompatibility modification of nanoparticle surfaces (Data support: RSC Advances)
5. Design of active sites for enzyme immobilization carriers (Citation: Journal of Materials Chemistry B)

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 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.

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Contact information:
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