I. [Product Description]
WSW(WSWGPYS)-PEG-SVA is an organic intermediate formed by the covalent bonding of a liver-targeting polypeptide and polyethylene glycol. It achieves precise biological conjugation through the SVA active group. Its core value lies in the excellent water solubility and steric hindrance effect conferred by the PEG segment. It can be used as a pharmaceutical intermediate in the field of biomolecule modification and has the flexible feature of customizable molecular weight to meet the requirements of complex synthesis processes.

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 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 environment.
▪ Note: ▶ To ensure product stability, please open the package for use only after constant temperature drying!

III. [Application Fields]
1. Interface modification of biologically active molecule delivery systems (JACS, 2022)
2. Coupling reactions for site-specific labeling of proteins/antibodies (Org. Process Res. Dev.)
3. Surface modification of functionalized nanomaterials (ACS Appl. Mater. Interfaces)
4. Construction and optimization of targeted molecular probes (Bioconjugate Chem.)
5. Oriented immobilization of sensitive elements in biosensors (Anal. Chem.)

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

Chongqing Yusi Pharmaceutical Technology Co., Ltd. operates with 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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