6-Chloro-2-methylpyridine-3-boronic acid

    • Product Name: 6-Chloro-2-methylpyridine-3-boronic acid
    • Chemical Name (IUPAC): (6-chloro-2-methylpyridin-3-yl)boronic acid
    • CAS No.: 952359-98-5
    • Chemical Formula: C6H7BClNO2
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    578225

    Productname 6-Chloro-2-methylpyridine-3-boronic acid
    Casnumber 128551-05-1
    Molecularformula C6H7BClNO2
    Molecularweight 171.39
    Appearance White to off-white solid
    Meltingpoint 154-158°C
    Purity Typically ≥ 95%
    Solubility Slightly soluble in water; soluble in organic solvents like DMSO or methanol
    Smiles Cc1nc(c(B(O)O)cc1)Cl
    Inchi InChI=1S/C6H7BClNO2/c1-4-8-5(7(10)11)2-3-6(4)9/h2-3,10-11H,1H3
    Storage Store at 2-8°C, protect from moisture
    Synonyms 6-Chloro-2-methyl-3-pyridineboronic acid

    As an accredited 6-Chloro-2-methylpyridine-3-boronic acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White screw-cap bottle with hazard labels, containing 5 grams of 6-Chloro-2-methylpyridine-3-boronic acid, sealed in an amber bag.
    Container Loading (20′ FCL) Container Loading (20′ FCL): Typically packed in 25kg fiber drums, total 8–10 metric tons per 20′ FCL, secured for safe transport.
    Shipping 6-Chloro-2-methylpyridine-3-boronic acid is shipped in tightly sealed containers, protected from moisture and light. It is packed according to chemical safety regulations, often with cushioning material to prevent breakage. Standard shipping includes clear labeling for hazardous materials and compliance with international transport guidelines for laboratory chemicals.
    Storage 6-Chloro-2-methylpyridine-3-boronic acid should be stored in a tightly sealed container, protected from moisture and light. Keep it in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizing agents. Store at room temperature or as recommended by the manufacturer. Avoid prolonged exposure to air to prevent degradation or hydrolysis of the compound.
    Shelf Life Shelf Life: 6-Chloro-2-methylpyridine-3-boronic acid is stable for at least 2 years when stored dry, cool, and protected from light.
    Application of 6-Chloro-2-methylpyridine-3-boronic acid

    Purity 98%: 6-Chloro-2-methylpyridine-3-boronic acid with purity 98% is used in Suzuki-Miyaura cross-coupling reactions, where it ensures high product yield and selectivity.

    Melting Point 205°C: 6-Chloro-2-methylpyridine-3-boronic acid with a melting point of 205°C is used in pharmaceutical intermediate synthesis, where it provides thermal stability during multi-step reactions.

    Particle Size <20 μm: 6-Chloro-2-methylpyridine-3-boronic acid with particle size less than 20 μm is used in catalyst preparation, where it enables uniform dispersion and effective catalytic performance.

    Moisture Content <0.5%: 6-Chloro-2-methylpyridine-3-boronic acid with moisture content below 0.5% is used in organometallic compound synthesis, where it prevents hydrolysis and degradation.

    Stability Temperature up to 100°C: 6-Chloro-2-methylpyridine-3-boronic acid with stability temperature up to 100°C is used in automated flow chemistry systems, where it maintains consistent reactivity and reproducibility.

    Assay ≥97% (HPLC): 6-Chloro-2-methylpyridine-3-boronic acid with assay ≥97% (HPLC) is used in fine chemical research, where it ensures analytical accuracy and reproducible synthesis outcomes.

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    Certification & Compliance
    More Introduction

    Understanding the Real Value of 6-Chloro-2-methylpyridine-3-boronic acid

    Practical Insights from a Manufacturer’s Workbench

    On our production floor, we don't often get asked to explain why a chemical matters. For those of us who create 6-Chloro-2-methylpyridine-3-boronic acid, that question comes up now and then, usually from chemists who want to know what sets it apart from similar boronic acids, or from partners looking to scale up their own operations and looking for a reliable source. Speaking for a team that lives and breathes synthesis, we’ve seen this compound prove its worth in ways that deserve a closer look.

    Clarity on the Model and Specifications

    6-Chloro-2-methylpyridine-3-boronic acid isn’t just another chemical formula. Our batches consistently meet purity thresholds at the 98% mark and above, with trace metals kept low through careful raw material selection and control of processing steps. Each run delivers a faintly off-white powder, usually crystalline, easy to weigh and handle under normal lab conditions. Water content rarely causes issues, since the process strips most of it out and the boronic acid form stays stable when kept dry and away from strong bases or acids.

    From a technical perspective, working directly with the synthesis each day has taught us a few non-theoretical facts. Reactivity stays robust, even in Suzuki-Miyaura couplings where steric hindrance can slow down related compounds. Shelf life stretches beyond a year under typical storage. The melt point stays consistent, so chemists don’t have to second-guess batch performance. We learned that keeping traces of organic halides low avoids side reactions in pharmaceutical and agrochemical routes. Each output lot comes from a controlled, audited supply chain, so no sudden surprises with contamination or process drift. Every specification emerged from actual hands-on adjustments, not guesses.

    Why This Boronic Acid Makes a Difference

    There’s a difference between reading about a molecule and producing kilogram lots that end up in drug discovery, crop protection, or material enhancement. The 6-chloro group, plus the methyl substituent at the 2-position, creates a unique fusion of reactivity and selectivity along aromatic systems. This combination makes cross-coupling much easier in tough conditions. Where other boronic acids struggle with electron-withdrawing groups or bulky substituents, we see good yields from 6-Chloro-2-methylpyridine-3-boronic acid, even in crowded substitution patterns or heavily fluorinated scaffolds.

    We hear about the demand for complex heterocycles in modern chemistry. Every project director wants to use building blocks that won’t cause headaches down the line. That’s where our experience matters: all the details that make bench work or scale-up easier—solubility in common solvents, reliable batch-to-batch purity, predictable behavior during reactions—emerge directly from how we control the process. Colleagues in pharmaceutical labs tell us that when plugging this boronic acid into custom syntheses, they see less signal noise on HPLC and easier downstream processing, compared with alternatives.

    Real-World Applications and How the Product Performs

    This boronic acid often gets selected for making functionalized pyridine cores—key intermediates in things like kinase inhibitors or other advanced drug leads. In crop science, it’s a favorite for developing new active ingredients, especially where selectivity over weeds or pests depends on subtle changes in the aromatic ring. Material scientists working on OLEDs and specialty polymers recognize the value in tight control over electron flow, especially when dealing with halogenated pyridines.

    From our end, we see the patterns in who orders what, and why. Small startups order gram quantities for rapid screening. Major pharma firms pick up multi-kilo lots because their pilot plants need consistent, documented purity. Agrochemical partners run pilot reactions and come back for bigger quantities once their pipeline candidates start showing promise. The uses may differ, but every customer benefits from lot-to-lot consistency and real traceability: we maintain detailed batch logs, chain of custody, and analytical reports for every shipment we prepare.

    What Sets It Apart From Other Boronic Acids

    As a manufacturer, we see firsthand how small changes in substitution can make big practical differences. Direct comparisons between 6-Chloro-2-methylpyridine-3-boronic acid and related compounds like 3-pyridineboronic acid or non-chlorinated analogs consistently reveal better reactivity for hard-to-couple systems. Adding a chloro at the 6-position confers extra electron withdrawal; the methyl at the 2-position tweaks solubility and stabilizes against unwanted side reactions. Fewer impurities appear during purification thanks to these subtle molecular tweaks.

    Not every boronic acid from the catalog shelf will handle the demands of regulated pharma manufacturing. Impurities as low as 0.5% can derail multi-step syntheses or foul up crystallization in downstream steps. Because we handle every step from raw material purchase to final QA, our teams catch shifts in melting point or color before they become larger problems. Close manufacturing controls—including precise addition of reagents, monitored temperature ramps, and timely product isolation—keep the output clean for sensitive pathways.

    Supporting Innovation by Removing Supply Chain Guesswork

    Developing a new compound involves enough risk without worrying about raw material reliability. As a direct manufacturer, we see the pressure chemists feel when timelines slip because of inconsistent suppliers. That’s why we’ve built direct lines between the production team and our application support chemists. When we see a shift in production—a new project requiring a larger volume or tighter tolerance—we respond by running extra tests and validating the specs under the real conditions end users face.

    Our product managers collect feedback from every segment: scale-up teams at pharmaceutical companies, R&D specialists working in crop protection, and contract research organizations making one-off analogs. Sometimes we adjust our drying cycle because one user prefers ultra-low water content for air-sensitive reactions. Some partners want tighter control over chloride or heavy metal content. Because we manufacture, not merely repackage, changes like these happen fast. We keep every production step in-house and review supplier certificates for every chemical precursor. That vigilance keeps our boronic acids safe and reliable across changing regulatory and market demands.

    Thinking About Sustainability and Compliance

    Regulation constantly shapes our work. The push for green chemistry led us to examine solvent recovery in our purifications and to minimize waste at each filtration or crystallization step. Chemists working downstream need to answer questions from auditors, so transparency and documentation matter. Our team keeps detailed records on every input, tracks solvent recycling, and subjects each lot to full identity and purity checks. More than once, firms aiming for new drug applications or regulatory submissions have called us back to supply the precise analytical records for our boronic acid lots—saving months of back-and-forth over documentation.

    Sustainability also means looking beyond just energy use. We've reduced solvent intensity per batch and switched to less hazardous solvent systems where possible, guided by real feedback from customers facing tightening environmental controls in Europe and North America. The boronic acid we make today springs from a supply chain designed to meet tomorrow’s higher standards for safety and environmental responsibility. That attention to process means fewer worries about compliance audits, both for us and for the downstream users putting new products on the market.

    Challenges From Direct Experience

    Making 6-Chloro-2-methylpyridine-3-boronic acid at scale doesn't always run as smoothly as the literature procedures claim. Once we went beyond gram-scale synthesis, certain steps exposed weaknesses—solvent choices that work for a few milligrams may fall short when handling hundreds of liters. The workup needs steady pressure and controlled filtration to keep product loss low. By investing early in custom glassware, more responsive temperature controls, and inline monitoring, we avoided setbacks that have been known to dog other manufacturers.

    Sometimes, production throws surprises—batch-to-batch variation in starting materials or minor fluctuations in catalyst performance. Troubleshooting requires real human skill, not just a checklist. Years of hands-on refinement helped us tune our purification steps so that the product meets both purity and physical form targets. Customers who have switched from traders or less direct sources tell us that the difference in analytical data is clear—smaller impurity peaks, sharper NMR signals, fewer unidentified byproduct flags on trace analysis.

    Real Transparency and Traceability

    We believe traceability is more than a buzzword. Every drum, canister, or sample bottle leaves our facility with a full data sheet that details not just the product specs, but the exact lot and production history. Our internal system logs who oversaw each stage, timestamps every critical measurement, and stores records for years past the minimum regulatory requirement. That kind of pedigree stems from being a true manufacturer, not just a storefront or middleman.

    Our QA team routinely pulls archive samples to double-check their data against original certificates. Customers have benefitted from this direct chain of custody—whether answering questions from government inspectors, preparing for audits, or submitting technical files for drug master filings. Our aim is to reduce the friction of regulatory review so users spend more time on innovation, not paperwork.

    Feedback From Users in the Field

    Manufacturers like us rarely see the final commercial product—but we do hear from process chemists and formulation engineers striving to meet targets faster. One pharma customer credited our consistent quality with letting their candidates reach pilot plant evaluation without repeated re-synthesis. An agrochemical partner shared that using our boronic acid let them cut step count in their scale-up pathway, reducing waste solvents and getting to proposal approval faster. Regular clients value shipments that arrive complete, analyzed, and ready for use rather than needing additional purification.

    Repeatedly, we hear that our willingness to customize—tighter particle size controls, pre-dried product, or extra analytic data—removes barriers for chemists whose projects can stall over unanticipated contaminants. Because real people run our production lines and labs, these requests prompt real adjustments, not vague promises or auto-emailed responses. By closing feedback loops directly with the people handling the product, we aim to keep raising the bar for what can be expected from a supplier.

    Facing Supply Chain Disruptions and Volatility

    The past few years have challenged every manufacturer. Disruptions in logistics and sudden price swings in precursors tested our sourcing and inventory practices. Having invested in redundant suppliers for critical raw materials, we continued production when others paused. By maintaining buffer stock and oversight of every supplier’s quality assurance, we staved off shortages that hit less-prepared firms. Our customers valued the fact that turnover times stretched only slightly longer, if at all, despite regional lockdowns or shipping bottlenecks.

    Logistics are only half the equation. As expectations for documentation and compliance with new environmental standards rise, we’ve stayed ahead by digitizing our documentation, updating hazard labeling, and recertifying our processes under current best practice audits. Partners downstream appreciate knowing that we have anticipated compliance hurdles, not just responded once a crisis arrives.

    Advancing Chemistry with Responsible Manufacturing

    There’s no mystery to making high-value boronic acids, but consistency remains the hardest goal to achieve. Each part of our team—from the loading dock to the analytics lab—shares responsibility for the finished product. Only by keeping production under one roof, controlling precursor quality, and documenting every stage can we guarantee the purity and reliability our customers need. This ethos carries over to our relationships: we offer honest feedback on lead times or technical feasibility and never promise what the process or regulatory status can’t support.

    For development chemists, access to a consistent reagent source translates directly to fewer failed runs, less downtime, and more dependable project timelines. We have learned through years of supply how a seemingly small difference in a boronic acid batch can set back whole projects or, conversely, unlock new discovery routes previously considered unworkable.

    Conclusion: Beyond Simple Supply

    As a manufacturer, every day we encounter new demands for quality, compliance, and technical support. Between sourcing, analysis, production, and logistics, we see firsthand how important it is to offer no-surprise, fully-documented chemicals. 6-Chloro-2-methylpyridine-3-boronic acid stands as a clear example—a molecule where chemistry, process control, and practical user knowledge converge. Whether chemists are developing the next treatment, testing a new crop protection agent, or building up new functional materials, the small decisions we make at the manufacturing end shape the larger success of projects worldwide.