• 1. Embedding cyclic nitrone in mesoporous silica particles for EPR spin trapping of superoxide and other radicals?
  Eric Besson,Stéphane Gastaldi,Emily Bloch,Selma Aslan,Hakim Karoui,Olivier Ouari,Micael Hardy Analyst, 2019,144, 4194-4203
• 2. Emerging enantiomeric resolution materials with homochiral nano-fabrications
  Ji-Ping Wei Nanoscale, 2015,7, 11815-11832
• 3. Evolution of dealloying induced strain in nanoporous gold crystals?
  Ross Harder,David C. Dunand,Ian McNulty Nanoscale, 2017,9, 5686-5693
• 4. Excited state characterization of carbonyl containing carotenoids: a comparison between single and multireference descriptions?
  Riccardo Spezia,Stefan Knecht,Benedetta Mennucci Phys. Chem. Chem. Phys., 2017,19, 17156-17166
• 5. Fe3O4/PEG-SO3H as a heterogeneous and magnetically-recyclable nanocatalyst for the oxidation of sulfides to sulfones or sulfoxides
  Saeideh Mirfakhraei,Malak Hekmati,Fereshteh Hosseini Eshbala,Hojat Veisi New J. Chem., 2018,42, 1757-1761

• Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Dialkyl ethers
• Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Ethers Dialkyl ethers

Bis-propargyl-PEG3: A Versatile Click Chemistry Reagent for Biomedical and Material Science Applications

Bis-propargyl-PEG3 (CAS No. 126422-58-0) is a specialized polyethylene glycol (PEG) derivative that has gained significant attention in recent years due to its unique chemical properties and wide-ranging applications in click chemistry, bioconjugation, and drug delivery systems. This bifunctional compound features two terminal propargyl groups connected by a triethylene glycol (PEG3) spacer, making it an ideal linker for various synthetic and biological applications.

The growing interest in Bis-propargyl-PEG3 aligns with current research trends in biocompatible materials and targeted therapeutics. Scientists are particularly interested in how this compound can facilitate copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions, which are fundamental to many bioorthogonal chemistry applications. Recent studies highlight its potential in creating PEGylated bioconjugates with improved solubility and reduced immunogenicity.

From a molecular perspective, Bis-propargyl-PEG3 offers several advantages. The PEG3 spacer provides optimal length for many conjugation applications while maintaining excellent water solubility. The compound's propargyl termini enable efficient coupling with azide-containing molecules under mild conditions, making it valuable for protein modification, surface functionalization, and nanoparticle labeling.

In pharmaceutical research, Bis-propargyl-PEG3 has emerged as a crucial building block for ADC (antibody-drug conjugate) development and prodrug strategies. Its ability to create stable linkages while maintaining biological activity addresses key challenges in targeted drug delivery. Recent publications demonstrate its use in constructing PEG-based hydrogels for controlled release applications.

The material science community has adopted Bis-propargyl-PEG3 for developing functional polymers and smart materials. Its dual reactivity allows for the creation of crosslinked networks with tunable properties, relevant to 3D printing bioinks and tissue engineering scaffolds. Researchers are exploring its potential in creating stimuli-responsive materials for biomedical devices.

Quality considerations for Bis-propargyl-PEG3 include high purity (>95%) and careful storage conditions (typically -20°C under inert atmosphere). Analytical techniques like HPLC, NMR, and mass spectrometry are essential for characterizing this compound. The growing demand for click chemistry reagents has led to improved synthetic protocols for Bis-propargyl-PEG3 production.

Current market trends show increasing adoption of Bis-propargyl-PEG3 in biotechnology startups and academic research labs. The compound's versatility supports diverse applications from diagnostic probe development to biomaterial fabrication. Suppliers now offer various packaging options to meet different scale requirements, from milligram quantities for research to kilogram amounts for industrial applications.

Future directions for Bis-propargyl-PEG3 research include exploring its role in nanomedicine and theranostic systems. The compound's compatibility with microfluidic synthesis platforms makes it attractive for high-throughput screening applications. Ongoing studies investigate its potential in creating multifunctional conjugates for combination therapies.

Safety profiles of Bis-propargyl-PEG3 indicate it requires standard laboratory precautions. While not classified as hazardous, proper handling procedures should be followed, including the use of personal protective equipment. Material safety data sheets provide detailed guidance for researchers working with this compound.

The scientific literature contains numerous references to Bis-propargyl-PEG3 applications, with citation rates increasing annually. Patent analysis reveals growing intellectual property activity around derivatives and applications of this PEG-based linker, particularly in biopharmaceutical formulations and medical device coatings.

For researchers sourcing Bis-propargyl-PEG3, key considerations include supplier reputation, batch-to-batch consistency, and technical support availability. Many providers now offer custom modification services to create tailored versions of this versatile click chemistry reagent for specific research needs.

In conclusion, Bis-propargyl-PEG3 (CAS 126422-58-0) represents a powerful tool in modern chemical biology and materials science. Its unique combination of PEG solubility and click chemistry reactivity continues to enable innovative solutions across multiple disciplines. As research progresses, we anticipate seeing even more creative applications of this valuable compound in addressing current challenges in healthcare and advanced materials.

• 89635-80-3(1-Propyne, 3-[2-(2-ethoxyethoxy)ethoxy]-)
• 89635-79-0(1-Propyne, 3-[2-(2-methoxyethoxy)ethoxy]-)
• 7218-43-1(Propargyl-PEG2-OH)
• 1092554-87-4(Bis-Propargyl-PEG9)
• 3973-18-0(Propynol Ethoxylate)
• 31995-09-2(1-Propyne, 3-(2-ethoxyethoxy)-)
• 126422-57-9(Bis-propargyl-PEG2)
• 89635-82-5(Propargyl-PEG3-methane)
• 159428-42-9(Bis-propargyl-PEG4)
• 31995-08-1(1-methoxy-2-(prop-2-yn-1-yloxy)ethane)