[Product Description]
Sulfadimethoxine-Polyethylene Glycol-Alkyne (Sulfadimethoxine-PEG-ALK) is a multifunctional organic intermediate, combining the high reactivity of sulfonamide compounds with the excellent water solubility and biocompatibility of PEG segments. This compound can serve as an efficient linker or modifying group, widely used in the synthesis of pharmaceutical intermediates and catalytic reaction systems. The alkyne end provides a highly selective reaction site for Click Chemistry.

   [Product Details]
#   [Appearance]
Based 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.
#   [Solvent]
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.
- **Caution:** To ensure product stability, please open the package for use only after constant-temperature drying!

   [Application Areas]
1. Covalent modification of targeting molecules in drug delivery systems.
2. As a click chemistry module (such as CuAAC reaction) in bioconjugation reactions.
3. Surface functional modification of polymer materials.
4. As a ligand for transition metal catalysts in organic synthesis reactions.
5. Directional anchoring of active groups on the surface of nanoparticles.

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

Chongqing Yusi Pharmaceutical Technology Co., Ltd. operates under an integrated business model of independent R & D, production, and 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 need other products, please contact us:
   Contact Information
- **Landline:** 023-62795528
- **Customer Service Hotline:** 18896157519 | QQ: 3354316092
  19112925095 | QQ: 3012135199

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