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Benzofuran-5-Boronic Acid

    • Product Name Benzofuran-5-Boronic Acid
    • Alias 5-Borabenzofuran
    • Einecs 630-787-4
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    695782

    Product Name Benzofuran-5-Boronic Acid
    Cas Number 851524-85-1
    Molecular Formula C8H7BO3
    Molecular Weight 161.95 g/mol
    Appearance White to off-white powder
    Melting Point 192-196°C
    Purity Typically ≥ 97%
    Synonyms 5-Boronobenzofuran
    Smiles B(C1=CC2=C(C=C1)OCO2)(O)O
    Inchi InChI=1S/C8H7BO3/c10-9(11)6-1-2-7-5-12-4-3-8(7)6/h1-5,10-11H

    As an accredited Benzofuran-5-Boronic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Benzofuran-5-Boronic Acid, 1g, supplied in a sealed amber glass vial with tamper-evident cap and clear labeling.
    Shipping Benzofuran-5-Boronic Acid is shipped in tightly sealed, chemical-resistant containers to prevent moisture contamination. Packages comply with hazardous materials regulations, including proper labeling and documentation. During transit, temperature and handling conditions are closely monitored to ensure chemical stability and safety. Expedited shipping options are available to maintain product integrity.
    Storage Benzofuran-5-boronic acid should be stored in a cool, dry, and well-ventilated area, away from sources of moisture and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from light. Storage at room temperature is generally acceptable unless otherwise specified by the supplier. Avoid prolonged exposure to air to prevent degradation or contamination.
    Application of Benzofuran-5-Boronic Acid

    Applications of Benzofuran-5-Boronic Acid in Industrial Manufacturing

    Benzofuran-5-Boronic Acid is a specialized organoboron compound known for its high reactivity and selectivity in coupling and modification reactions. As a direct manufacturer, we supply this material to a range of advanced industries where its unique structure supports complex molecular assembly, particularly in the synthesis of fine chemicals and API intermediates. Below are key application scenarios based on real downstream production needs, each with application-specific compliance requirements, recommended incorporation rates, integration in manufacturing steps, and associated end products.

    1. Pharmaceutical API Intermediate Synthesis

    Pharmaceutical manufacturers use Benzofuran-5-Boronic Acid for constructing key molecular scaffolds via Suzuki-Miyaura cross-coupling, especially in custom synthesis routes for heterocyclic APIs targeting CNS disorders and oncology. The compound’s boronic acid moiety allows for high-yield C–C bond formation to craft complex and function-specific intermediates. Its performance in multi-step synthesis builds on predictable reactivity with halogenated aromatics, supporting scalable GMP production environments.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • United States Pharmacopeia General Chapters <1078> and <621>
    • European Pharmacopeia general monographs for process intermediates
    • FDA 21 CFR Part 210/211 for cGMP compliance in API production

    Typical usage ratio

    • 0.15–0.45 molar equivalents per coupling step; ratio adjusted based on the limiting substrate and route optimization, with sub-molar excess common for process robustness

    Downstream process integration

    • Charged in the catalytic coupling stage after initial substrate halogenation; following activation, it undergoes palladium-catalyzed blending under controlled inert atmosphere. Later workup includes aqueous quenching and crystallization.

    Final product types

    • Key API intermediates for antipsychotics (e.g., aryl-benzofuran drugs), selected kinase inhibitors, or serotonin receptor modulators
    • Custom contract-manufactured pharmaceutical building blocks for clinical pipeline candidates

    2. Agrochemical Intermediate Production

    Chemical process firms integrate Benzofuran-5-Boronic Acid into the production of advanced fungicide and herbicide intermediates, exploiting its boronic group for site-selective coupling. Its precise insertion during multi-step catalytic assembly offers well-defined benzofuranate subunits, critical for fine-tuning biological activity profiles in crop protection molecules. Formulators rely on its purity and consistent reactivity for achieving specifications suitable for downstream plant protection agents.

    Industry compliance standards

    • FAO/WHO Good Manufacturing Practices for pesticides
    • EU Regulation (EC) No 1107/2009 for plant protection product intermediates
    • OECD Guidelines for the Testing of Chemicals: Series on Pesticides
    • ISO 9001:2015 for agrochemical ingredient production

    Typical usage ratio

    • 0.20–0.50 molar equivalents per coupling reaction, specified based on the downstream target structure and conversion efficiency goals in the pilot or commercial scale process

    Downstream process integration

    • Added at the core cyclization or coupling stage where aryl or vinyl halides are introduced; followed by exhaustive purification, solvent switching, and integration into pre-final technical grade intermediates

    Final product types

    • Precursor compounds for new-generation strobin fungicides
    • Agrochemical intermediates for resistance-modified herbicide formulations
    • Chemical raw materials for seed treatment additive synthesis

    3. Specialty Electronic Material Synthesis

    Manufacturers engaged in the development of specialty semiconducting and OLED materials use Benzofuran-5-Boronic Acid as a key coupling precursor. In these applications, it facilitates the formation of conjugated organic frameworks, vital for charge transport layers in thin-film devices. Its consistent reactivity and suitability for high-purity requirements are crucial for the downstream production of optoelectronic components where material defects can impact device performance.

    Industry compliance standards

    • IEC 62321 for hazardous substance controls in electronic materials
    • RoHS (Restriction of Hazardous Substances) Directive 2011/65/EU compliance in raw material selection
    • JEITA Quality Management Guidelines for electronic chemicals
    • ISO 14644 for cleanroom integration in downstream fabrication

    Typical usage ratio

    • 0.10–0.30 molar equivalents, finely tuned for polymer backbone assembly or low-defect cross-coupling within batch or continuous flow photonic material processes

    Downstream process integration

    • Fed into controlled Suzuki coupling reactors for polyfluorene and benzofuran-based oligomer synthesis; processed under nitrogen or argon using high-purity solvents and trace metal removal protocols

    Final product types

    • Organic semiconductors for thin-film transistors (TFTs)
    • Synthetic precursors for OLED blue/green emissive layers
    • Conductive additives for high-performance resins in flexible electronics

    4. Fine Chemical Research and Custom Synthesis

    Analytical and contract research organizations utilize Benzofuran-5-Boronic Acid in the rapid synthesis of reference compounds and analytical standards required for impurity profiling, structure-activity relationship (SAR) studies, and small-scale batch discoveries. The material’s versatility in Suzuki and other boron-mediated cross couplings provides researchers precise control over aryl and heteroaryl derivative assembly, serving the tight timelines and high variability typical of custom chemical projects.

    Industry compliance standards

    • ISO 17025 for analytical laboratory accreditation
    • GLP (OECD Good Laboratory Practice) for test material preparation
    • REACH Regulation (EC) No 1907/2006 for substance registration where applicable
    • Standard Operating Protocols (SOPs) for chemical traceability and documentation

    Typical usage ratio

    • 0.05–0.35 molar equivalents, chosen based on target molecule complexity and batch scale settings, with ratios tailored per project target and accompanying functional group sensitivity

    Downstream process integration

    • Engaged at solution-phase cross coupling stages or solid-supported synthesis for rapid prototyping and library generation; subsequent purification via flash chromatography or preparative HPLC

    Final product types

    • Analytical reference materials for pharmaceutical R&D
    • Structural analogues for lead optimization in medicinal chemistry
    • Certified impurity standards for regulatory submissions and method validation
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    Certification & Compliance
    More Introduction

    Benzofuran-5-Boronic Acid: Production Insights and Practical Applications

    Understanding Benzofuran-5-Boronic Acid from the Manufacturer’s Perspective

    In the world of boronic acids, Benzofuran-5-Boronic Acid draws particular attention among medicinal chemists, researchers, and custom synthesis teams. Every batch we manufacture becomes part of someone’s breakthrough. That kind of responsibility keeps us focused on quality, reliability, and consistency. Years of experience tell us that these values matter the most to end users. I’d like to share what sets this compound apart, how we approach its production, and why it has become a workhorse in so many discovery pipelines.

    Precision in Production: More Than Just a Chemical Name

    Making Benzofuran-5-Boronic Acid goes well beyond mixing reagents and following routine procedures. We start with raw materials where purity is independently confirmed before use. Skilled technicians handle the Suzuki coupling intermediates that build up to the benzofuran ring, focusing on traceability and reproducibility. Our reactors run under constant monitoring. Even a small deviation at this step threatens to introduce byproducts or off-specification material, which is simply not acceptable for our customers. For every lot, chromatography and NMR analyses become routine, not for internal bragging rights but because a false sense of confidence is the enemy of real progress.

    Why Purity and Consistency Can’t Be Compromised

    Pharmaceutical researchers and agrochemical developers both value Benzofuran-5-Boronic Acid for its fine balance between reactivity and functional group tolerance. Each application puts different demands on the molecule’s integrity. Medicinal teams in particular watch for trace moisture or residual halides, since their downstream chemistry relies so heavily on sensitive cross-coupling reactions. We align our purification techniques to deliver 98% minimum purity, verified by HPLC and NMR. Doing this on a scalable level shapes the way we operate: feedback from kilo-lab partners shapes tweaks in our process, while feedback from small startups sparks improvements for future production runs.

    Comparing Benzofuran-5-Boronic Acid to Similar Boronic Acids

    Benzofuran-5-Boronic Acid sets itself apart from other members of the boronic acid family. We often hear from colleagues in the field how it offers greater diversity for coupling partners, especially compared to the more rigid phenylboronic acids. Its benzofuran core provides extra electron delocalization, which results in smoother reactions with aryl halides and improved selectivity. We’ve watched customers choose this compound over simple phenylboronic acid when targeting heteroaromatic rings—not just for novelty, but for boosting the efficiency of their routes to advanced intermediates.

    Some prefer the 2- or 3-substituted benzofuran boronic acids for specific structural reasons. Yet, our data over years of manufacturing shows that the 5-position boronic acid opens up the widest utility, especially in constructing compounds targeting kinase inhibition, anti-infectives, and material science applications. The chemistry community’s collective feedback matches up with the yields and purities we see in our own hands.

    Key Features Based on Day-to-Day Manufacturing

    We’ve fine-tuned our process to control moisture sensitivity, which often challenges the handling of boronic acids. Boronic acids easily hydrolyze when exposed to atmospheric water, so we ship our Benzofuran-5-Boronic Acid in double-sealed bags with desiccant packs, never skimping on this step. Feedback from R&D labs confirms that even one day’s exposure to humidity can impact reactivity in cross-coupling reactions. Here in the production line, we watch hygrometers as carefully as we watch reactors.

    Our technical staff tracks every batch from synthesis through packaging, marking stability checkpoints at critical intervals. Even something as seemingly simple as transfer to new containers raises a round of moisture checks. Logger data and batch records serve not just as paperwork but as preventative measures, avoiding last-minute doubts or rejected material on arrival.

    Application Focus: Beyond the Bench

    Researchers come to Benzofuran-5-Boronic Acid for more than just its coupling ability. The benzofuran structure, carrying the boronic acid group at the 5-position, serves as a building block for pharmaceuticals, agrochemicals, and specialty polymers. Medicinal chemists harness its unique scaffold to explore bioactivity spaces rarely accessible by standard arylboronic acids. Conversations over the years with collaborating research labs reveal a strong demand for derivatives in kinase inhibitor programs and CNS-targeted drugs.

    Material science teams also add Benzofuran-5-Boronic Acid to their suite of options. They value its aromaticity and boron content, which combine durability with electronic flexibility in device fabrication. The result is a compound that connects the ambitions of discovery-stage chemistry to the practical needs of industrial-scale synthesis.

    Specification Details: What We’ve Learned Matters Most

    While many users may ask about melting points, solubility, and spectral data, we realize that the heart of their interest lies in practical utility and batch-to-batch predictability. Our Bottling and QA teams keep detailed records tied to each container. These records help us trace reported outcomes in customer labs back to manufacturing runs, letting us troubleshoot and advise on reaction adjustments if needed.

    Much of this is driven by communication. Years of direct feedback shape our process adjustments better than any textbook guidance could. When a pharma customer flagged minor changes in crystal form after transit, we re-evaluated our drying and packaging procedures to lock in the most stable form. No claim about real-world use holds water unless measured by outcomes beyond our factory gates.

    Process Optimizations: Evolving Alongside Market Needs

    We update our protocols in response to both internal experience and customer feedback. Originally, our process used more classical boronation steps. After noticing unwanted side reactions and impurity profiles too complicated to be cost-effective to purify, we investigated alternative approaches. Palladium-catalyzed and copper-assisted syntheses allowed us to push yields higher and reduce waste without sacrificing purity. Every time a change proved successful, we documented not just the steps but the missed opportunities, setting the stage for further tweaks.

    Batch scale-up brings different challenges than lab-scale production. Factors like agitation, solvent ratios, and choice of drying agent affect not just the product but the utility on re-use. Contract customers counting on 100 grams or more receive the same rigorous care as those needing single grams for research. The usability doesn’t stop at our loading dock—it must translate to clean, reliable reactions in our customers’ hands.

    Health, Safety, and Environmental Responsibility Built Into Production

    Producing Benzofuran-5-Boronic Acid means treating safety and environment as priorities. Handling boron reagents and aromatic intermediates requires not just training but a culture of accountability. Our workers suit up with PPE designed for boronic acid stability and containment. Fume hood alarms and spot checks serve as backstops rather than afterthoughts. Waste streams get separated and neutralized according to chemical structure, not just by default categories.

    We review our safety protocols each quarter, integrating lessons from both our own plant and reports we study from regulatory bodies. The focus is always on shielding not just workers, but the wider community and local water supplies. Excess solvents get recovered where possible; where not, they go through a treatment system that neutralizes potential contaminants long before they reach site boundaries.

    Supply Chain and Scalability: Lessons from Direct Production

    Managing a reliable supply of Benzofuran-5-Boronic Acid takes steady partnerships upstream and careful logistics downstream. We learned over time that changes in aromatic raw material quality change the whole process, and making last-minute substitutions leads to lost time and increased costs. Sticking to trusted suppliers for critical reagents sharpens our focus on downstream output quality. Batch tracking lets us flag issues before they snowball, and open conversation with supply partners means we adapt quickly to shortages without sacrificing results.

    On the scalability front, our plant has built-in flexibility to flip between small and intermediate batches without excessive downtime. For larger orders, we pre-stage raw materials around anticipated demand cycles. This reduces the risk of shortages or emergency shipments that might otherwise increase costs for everyone involved. Our approach has allowed companies, both large and small, to rely on us year after year as product development transitions from benchtop curiosity to larger-scale trials.

    Collaborating With End Users to Drive Innovation

    Since we operate as a direct producer and not as a broker, our relationships with customers often go beyond transactional. Joint troubleshooting becomes part of our routine—whether customers hit roadblocks in scale-up, purification, or applications far outside what we originally envisioned. We appreciate the value in getting unfiltered feedback from users who run the chemistry on their own benches.

    Some of the most interesting improvements we’ve made come from customer insights: tweaking particle size to improve solubility, redesigning packaging for easier reagent handling, or suggesting solvent swaps during coupling reactions based on real outcomes. Constant communication—phone calls, site visits, even shared analytical work—keeps us grounded in what matters. R&D isn’t a process that ends after the compound arrives; it evolves as new needs surface, and our manufacturing adapts in parallel.

    Looking Ahead: Challenges and Opportunities in Benzofuran-5-Boronic Acid Production

    Manufacturing isn’t static, and Benzofuran-5-Boronic Acid will always present surprises on both technical and logistical fronts. From raw material variability to regulatory shifts regarding organoboron compounds, each challenge reminds us why attention to detail is non-negotiable. We see growth in demand for higher-purity grades as pharma discovery focuses on complex target molecules, as well as new forms of advanced materials that incorporate benzofuran chemistry. Our pilot plant team stays ahead by running small-scale experiments before committing to line-wide changes, blending the lessons of yesterday with the demands of tomorrow.

    Fluctuations in global logistics require backup strategies and an eye on local alternatives. We invest in ongoing operator training so that experience doesn’t walk out the door with each promotion or retirement. These methods don’t just keep shelves stocked—they provide peace of mind for our scientific partners betting their own success on the compounds we deliver.

    Closing Thoughts from the Production Floor

    Every bottle of Benzofuran-5-Boronic Acid making its way out of our facility tells a story of hands-on care, scientific rigor, and continuous learning. There are no shortcuts, no one-size-fits-all answers, and no substitutes for experience. Our team knows that behind every request is an ambitious project, often racing against the clock and uncertainties of new science. Delivering on those needs, lot after lot, takes more than just good intentions—it demands accountability, technical excellence, and an openness to where innovation leads.

    We know that what we do cannot be separated from those who use it. Benzofuran-5-Boronic Acid isn’t just another item on a catalog. For us, it’s a measure of how manufacturing, science, and listening combine to support discovery and progress in chemistry, medicine, and technology. Those of us who make it remain committed to both the molecule and the people who trust it to drive their work forward.