I. [Product Description]
SH-PEG-TK-COOH is a multifunctional organic intermediate with dual reactive sites of mercapto (-SH) and carboxyl (-COOH). It realizes precise and controllable connection characteristics through the ketal-thiol (TK) structure. This compound, as an efficient pharmaceutical intermediate and catalyst carrier, has important application value in the fields of bioconjugation, polymer material synthesis, and nanoparticle functionalization.

II. [Product Details]
【Appearance】 Depending on different molecular weights, it appears as a white/off-white solid or a viscous liquid.
【Stability】 Store refrigerated 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 in a sealed, dry container at a low temperature below 4°C.
▪ Note: ▶ To ensure product stability, please open the package for use after constant-temperature drying!

III. [Application Fields]
1. Surface ligand modification of nanoparticles (Literature DOI: 10.1021/acsami.2c01307)
2. Site-specific conjugation and cross-linking reactions of biological macromolecules
3. Construction of stimuli-responsive polymer materials
4. Functionalized liposome interface engineering
5. Functional group modification of metal-organic frameworks (MOFs)

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

Chongqing Yusi Pharmaceutical Technology Co., Ltd. is 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: 18896157519 丨 QQ: 3354316092
                                           19112925095 丨 QQ: 3012135199

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