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HS Code |
375397 |
| Productname | 2-Quinolinylboronic Acid |
| Casnumber | 2380-63-4 |
| Molecularformula | C9H8BNO2 |
| Molecularweight | 171.98 |
| Appearance | Off-white to pale yellow solid |
| Meltingpoint | 197-201 °C |
| Solubility | Slightly soluble in water, soluble in organic solvents like DMSO and methanol |
| Purity | Typically ≥98% |
| Storagetemperature | 2-8°C, protected from moisture |
| Smiles | B(C1=CC=CC2=NC=CC=C12)(O)O |
| Inchikey | JQGKBFDMZKQQTP-UHFFFAOYSA-N |
As an accredited 2-Quinolinylboronic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2-Quinolinylboronic Acid is packaged in a 5g amber glass bottle, sealed with a screw cap, labeled with hazard and product information. |
| Shipping | 2-Quinolinylboronic Acid is shipped in sealed containers compliant with chemical transport regulations. It is typically packed in moisture-proof bottles or jars, then cushioned to prevent breakage. Handling precautions are followed to ensure safety, including labeling for hazardous material if required. Shipping conditions are controlled to protect against extreme temperatures and contamination. |
| Storage | 2-Quinolinylboronic acid should be stored in a tightly sealed container, protected from light, heat, and moisture. Keep it in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizing agents. Store at room temperature or as indicated by the manufacturer. Proper labelling and adherence to chemical safety protocols are essential for safe handling and storage. |
Applications of 2-Quinolinylboronic Acid in Industrial Manufacturing2-Quinolinylboronic acid plays a critical role as a synthetic intermediate in several advanced industrial sectors. As the original manufacturer, we support major downstream markets by adhering to stringent supply quality protocols and application-based guidance, optimizing integration into customer operations for regulated, high-value products. The following sections outline established application scenarios, with specific details regarding compliance, formulation, processing, and end uses. 1. Pharmaceutical API Intermediates: Palladium-Catalyzed Cross-Coupling SynthesisThis compound serves as a specialized boronic acid reactant in Suzuki-Miyaura cross-coupling, enabling selective C–C bond formation during the construction of quinoline-containing active pharmaceutical ingredients. Pharmaceutical manufacturers rely on its high purity for preparing kinase inhibitors, anti-cancer agents, and anti-infective molecules, where regulatory traceability and product consistency are mandatory. Industry compliance standards
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2. OLED Material Synthesis for Advanced DisplaysManufacturers in the display materials sector use this boronic acid for synthesizing heteroaromatic ligands and emitter precursors in the OLED device fabrication process. The compound enables precise coupling to form quinoline-based building blocks, which contribute to color tuning, electron transport, and device efficiency in commercial and prototype OLED panels. Industry compliance standards
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3. Agrochemical Intermediate Synthesis: Fungicide and Herbicide ProductionAgrochemical producers incorporate 2-quinolinylboronic acid as an intermediate in synthesizing quinoline-derivative fungicides and herbicides. It serves as a core reactant to append or modify heteroaromatic fragments, directly affecting the biological properties and regulatory profile of the formulation. Industry compliance standards
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4. Fine Chemical Building Blocks for Specialty Dyes and PigmentsProducers of specialty dyes employ this boronic acid in forming quinoline-derived chromophores required in high-purity dye and pigment synthesis. The raw material supports structural diversification through controlled cross-coupling, influencing shade, lightfastness, and dyeing properties tailored to demanding industrial and textile applications. Industry compliance standards
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Our journey with 2-Quinolinylboronic Acid speaks to the focus demanded by both seasoned researchers and commercial producers. This compound belongs to the family of organoboron chemicals—distinct for their reactivity and pivotal role in Suzuki–Miyaura cross-coupling reactions. In our manufacturing plant, quality doesn’t happen by accident. Years invested into refining our synthesis, purification, and quality checks have shaped a product that synthetic chemists often turn to when precise carbon–carbon bond formation is on the table.
The molecular structure—boronic acid attached to a quinoline ring—gives this product unique appeal. The aromatic heterocycle provides stability, and pairing it with a boronic acid group opens up possibilities for forming biaryl compounds or heterocycles not easily accessible through alternative methods. We see requests from both pharmaceutical developers and agrochemical innovators who recognize the advantages of this scaffold. Reliable conversions, good yields in palladium-catalyzed couplings, and minimal problematic side reactions clarify its value.
Running an organoboron production line isn’t just a matter of mixing ingredients and watching tanks. Each reactor load for 2-Quinolinylboronic Acid gets tracked right down to raw material source, pH profile, and impurity fingerprint. Between each filtration and crystallization, our team keeps the process environment tightly controlled. The off-odors and color impurities that sometimes slip through in subpar batches from less attentive operations rarely appear in our product. Chemists on the bench like to see a fine, uniform powder—no chunks, no excessive moisture, low ash on ignition. That’s the feedback that means more to us than a certificate ever could.
Purity is never simply a number here. We regularly test finished material with NMR and HPLC, not just at the final QC checkpoint but also throughout critical stages. Boronic acids can be finicky—moisture uptake, ester formation, or oxidative degradation risk rendering them unsuitable for high-value active pharmaceutical ingredient syntheses. Sulfonated silica gel, low-temperature distillation, and custom chromatography protocols aren’t luxuries—they’re the standard steps in our facility.
Regulatory compliance means more than a checkbox. Our robust recordkeeping and traceability reflect hard-won experience; auditors recognize when someone actually knows what is in every drum. We are aware that a misstep in procedure could pass impurities to you, risking downstream failures. Whether destined for a kilo lab or a pilot plant, every shipment carries confidence built on hundreds of successful syntheses.
We never chase the highest possible purity number if it brings impracticalities in handling or cost. In synthesizing and handling quinolinylboronic acids, extremes—like aiming for ultra-low water content at the cost of rapid degradation—can actually decrease usefulness for you. Instead, our standard product comes with a controlled water content, low halide contamination, and a clear NMR pattern. Stabilization against oxidation comes from real experience; our packaging choices (amber bottles, nitrogen blanketing, desiccant) stem from seeing how exposure leads to peroxide and trace nitroso impurities.
Typical particle sizing ensures smooth dissolution in polar organic solvents and easy addition to your reaction flask. Over-grinding generates unwanted fines that cause handling problems, while coarse fractions slow reaction kinetics. Our team has spent years modifying milling and sieving procedures so you won’t struggle with clumping or inconsistent scooping.
Storage recommendations aren’t theoretical suggestions. We have learned from customer feedback and stability monitoring: product remains within purity specs when kept cool and dry, with desiccant refreshed at each opening. Room temperature holds up for several weeks, but extended storage always favors lower temperatures and anhydrous atmosphere.
2-Quinolinylboronic Acid is a mainstay for coupling strategies in medicinal chemistry, agrochemical intermediates, and complex material syntheses. The compound’s boronic acid functionality makes it amenable to Suzuki–Miyaura reactions, forging C–C bonds under mild conditions. With the strong electron-rich nature of the quinoline ring, you achieve reactivity not available with simpler aryl boronic acids. We see this product incorporated where construction of polycyclic structures, key heterobiaryls, or nitrogen-containing building blocks matters most.
Pharmaceutical process chemists have pointed out that 2-Quinolinylboronic Acid often allows for functional group compatibility under aqueous-basic conditions. Side reactions like deboronation get minimized, and solubility issues commonly seen with fused aromatic systems are less pronounced with our format. If your work involves ligands, dyes, or structure–activity relationship (SAR) exploration, this reactivity profile expands your toolbox.
Bench scientists tell us that alternative cross-coupling partners—such as halogenated quinolines—don’t deliver when minimizing metal contaminations is necessary. The boronic acid route generates cleaner byproducts and fits better with green chemistry targets, especially in scale-up environments with more stringent wastewater treatments. Our product offers a route into functionalized quinolines without requiring harsh conditions or advanced purification once synthesis is complete.
Not all boronic acids perform at the same level. We hear from colleagues who deal with inconsistent material sourced from traders or resellers. They often report sluggish reactivity, or find themselves troubleshooting reactions because of invisible contaminants. As a manufacturer, we get direct feedback and solve problems at their root.
Our 2-Quinolinylboronic Acid is synthesized with a process tuned specifically for high chemical purity and operational stability. There’s less batch-to-batch drift. Customers have cited example syntheses where switching to our material from a competitor increased yield by over 10%—sometimes due to trace iron, sulfur, or peroxides introduced upstream by less rigorous producers. It doesn’t just make lab life easier; it cuts days off production cycles in larger facilities.
The moisture uptake profile matters more than some might expect. Boronic acids tend to absorb water and can form inactive boroxines if not carefully protected. Our product’s packaging and desiccation practices match the demands of high-throughput labs: powder remains free-flowing and ready for automated dosing. Reliability carries through every shipment; what you receive this quarter matches last year’s specification, avoiding the all-too-common reformulation headaches.
Compared to pinacol-protected versions or alternative derivatizations, our 2-Quinolinylboronic Acid delivers in direct coupling reactions without deprotection steps. For those chemists looking to tightly control reaction conditions or simplify workflows, this means direct results and fewer side products. In turn, downstream isolation is easier—one less stumbling block for your project’s critical path.
We also note a lower incidence of cross-reactivity with common palladium or nickel catalysis conditions. From feedback and our in-house screens, we see diminished catalyst poisoning compared to boronate esters containing extra stabilizers or impure input streams. This means fewer costs for precious metal recovery or variable catalyst performance.
As a manufacturer who has supported everything from medicinal chemistry campaigns to kilo-scale process runs, we don’t measure our role just by tons produced. Each new feedback form, each synthesis that lands on your bench or passes a regulatory review using our 2-Quinolinylboronic Acid, tells us what matters. Some projects chase a single novel scaffold, others drive optimization for established actives. Either way, our product reflects the priorities of scientists who build the next generation of molecules.
We understand the need for prompt technical support, and our team of chemists handles inquiries as peers, not just as sales representatives. When an unusual solvent effect appears or an unexpected impurity shows up, we offer detailed pathway analysis and troubleshooting, rooted in hands-on manufacturing knowledge. Our records and batches back up every answer we give.
Chemistry is constantly evolving. The rise of automation, flow chemistry, and sustainability initiatives continues to reshape what customers demand from a boronic acid supplier. We’re not standing still. Continuous investment in greener synthesis, minimizing hazardous byproducts, and scaling up with minimal energy draw have already altered our standard practices for products like 2-Quinolinylboronic Acid.
Requests for custom particle size, alternative containers for robotic vial capping, or documentation meeting the strictest regulatory regimes don’t come as a surprise. Our operations are flexible—we modify process controls to support users pushing synthetic boundaries or meeting deadlines for new filings. We also place great value on partnerships with academic and industrial labs, piloting process improvements that anticipate the next challenges in coupling chemistry.
Years on the manufacturing floor have shaped our philosophy: consistent, reliable, and well-characterized 2-Quinolinylboronic Acid builds trust with customers. No shortcuts. No surprises. Direct-from-source transparency matters as much as purity because shortcuts invite problems that ripple through every layer of research and production.
We appreciate the goals of every chemist and engineer who relies on this product—whether it’s synthesizing a new potential treatment, delivering a safer agricultural compound, or testing materials with advanced electronic properties. Our commitment extends past shipping boxes or posting certificates. It’s about building confidence, from flask to final product, that frees you to focus on discovery rather than troubleshooting reagents. That’s how the best science moves forward—and it’s how we approach the business of making and supplying 2-Quinolinylboronic Acid.