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3-Bromo-5-Fluoro-2-Hydroxypyridine

    • Product Name 3-Bromo-5-Fluoro-2-Hydroxypyridine
    • Alias 3-Bromo-5-fluoro-2-pyridinol
    • Einecs 681-834-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    826079

    Productname 3-Bromo-5-Fluoro-2-Hydroxypyridine
    Casnumber 151260-65-8
    Molecularformula C5H3BrFN O
    Molecularweight 191.99 g/mol
    Appearance White to off-white powder
    Meltingpoint 110-115 °C
    Purity Typically ≥ 98%
    Solubility Soluble in organic solvents (e.g., DMSO, methanol)
    Smiles C1=C(C=C(C(=N1)O)Br)F
    Inchi InChI=1S/C5H3BrFN O/c6-3-1-4(7)5(9)8-2-3/h1-2,9H
    Synonyms 2-Hydroxy-3-bromo-5-fluoropyridine
    Storagetemperature 2-8 °C

    As an accredited 3-Bromo-5-Fluoro-2-Hydroxypyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 3-Bromo-5-Fluoro-2-Hydroxypyridine

    Applications of 3-Bromo-5-Fluoro-2-Hydroxypyridine in Industrial Manufacturing

    As a direct manufacturer of 3-Bromo-5-Fluoro-2-Hydroxypyridine, we supply this intermediate for high-value applications across pharmaceutical, agrochemical, and specialty chemical sectors. This section outlines detailed industrial uses, compliance standards, processing methods, and real downstream products in leading fields of application.

    1. Pharmaceutical Active Ingredient Synthesis

    3-Bromo-5-Fluoro-2-Hydroxypyridine serves in the preparation of fluorinated pyridine-based APIs, including targeted kinase inhibitors and antiviral compounds. It acts as a core building block during heterocyclization and halogen-selective functionalization steps. Its selective substitution pattern supports structural modification, allowing R&D and production teams to achieve precise molecular diversity in drug discovery and GMP bulk synthesis. Manufacturing operations must ensure strict impurity control and traceability from lot to lot.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for APIs)
    • USP and Ph. Eur. monographs for relevant pyridine analogs
    • FDA 21 CFR Part 211 for finished pharmaceuticals
    • ISO 9001:2015 Quality Management System

    Typical usage ratio

    • 15–32% of total intermediate feed, depending on final API structure
    • Ratio adjusted according to target compound molar mass and desired halogen content

    Downstream process integration

    • Introduced during stepwise condensation and cyclization reactions
    • Employed as a precursor in Suzuki-Miyaura or Buchwald coupling for ring elaboration
    • Subject to inline QC for halogen balance and residual solvent profile

    Final product types

    • EGFR or kinase inhibitor APIs
    • Anti-inflammatory drug intermediates
    • Antiviral small molecule drugs
    • NCE development compounds for screening libraries

    2. Agrochemical Intermediate Development

    This fluorinated bromopyridine enables synthesis of modern crop protection agents. Its halogenated pyridin-2-ol core structure is incorporated into herbicide and fungicide scaffolds to enhance bioavailability and rainfastness. Production chemists utilize its electronic effects to fine-tune active site interactions in novel triazolopyridine and oxazole derivatives. Downstream formulating companies must validate trace impurities and halogen residue for regulatory dossiers.

    Industry compliance standards

    • FAO/WHO “Specifications and Evaluations for Agricultural Pesticides”
    • OECD Good Laboratory Practice (GLP)
    • REACH Regulation (EC 1907/2006) for chemical registration and notification
    • ISO 17025:2017 for laboratory testing methods

    Typical usage ratio

    • 18–26% in active ingredient synthesis batch, based on designed molecular target
    • Varies with desired active load and conversion yield

    Downstream process integration

    • Direct coupling in nucleophilic aromatic substitution or metal-catalyzed cross-couplings
    • Introduced during initial ring construction or late-stage halogenation for final scaffold assembly

    Final product types

    • Bistriazole herbicide technical concentrates
    • Oxazole-based fungicide actives
    • Premix wettable powder and EC formulations
    • Seed treatment active ingredient bases

    3. API Analytical Reference Standards Production

    CRMs and secondary standards for pharmaceutical API quantification are prepared using this material as a synthetic precursor. Quality control laboratories require high-purity derivatized analogs and isotopically labeled variants for method validation, system suitability, and routine batch testing in regulated environments. Consistency, batch traceability, and impurity profiling directly impact downstream lab outcomes and regulatory acceptance of analytical data.

    Industry compliance standards

    • ISO 17034:2016 for reference material producers
    • USP General Chapter <1040> “Analytical Reference Materials”
    • FDA 21 CFR Part 211 (Analytical Laboratory Controls)
    • Ph. Eur. Validated Analytical Methods

    Typical usage ratio

    • 8–13% as primary pyridine backbone in labeled or derivatized standard preparation
    • Adjusted for isotopic enrichment or derivative functional group incorporation

    Downstream process integration

    • Employed during chemical labeling reactions (e.g., D, 13C, 15N)
    • Precursor for preparing high-purity crystalline standards
    • Used as scaffold in structure-activity relationship (SAR) probe design

    Final product types

    • Reference standards for HPLC and GC method validation
    • System suitability test mixtures
    • Certified standards for impurity profiling
    • Labeled chemical markers for pharmacokinetic studies

    4. Specialty Chemical Synthesis for Electronic Materials

    The unique substitution pattern on the pyridine ring supports design and production of advanced intermediates used in electronics grade materials. Applications include manufacturing functionalized monomers for organic semiconductors and specialty coatings where halogen and hydroxyl substituents enhance charge transport or film adhesion. Downstream users in this sector prioritize strict metal content control and trace halide analysis to meet device reliability and regulatory documentation.

    Industry compliance standards

    • RoHS Directive (EU) 2011/65/EU for heavy metal/halide restrictions
    • IEC 62474 Material Declaration for electronic industry supply chain
    • UL 746A for polymeric material evaluation
    • IECQ QC 080000 (Hazardous Substance Process Management System)

    Typical usage ratio

    • 12–20% as substituted pyridine initiator in batch or continuous flow monomer synthesis
    • Ratio tailored for solubility and functional group density in target polymer architecture

    Downstream process integration

    • Added during high-purity condensation or polymerization with metal-catalyzed activation
    • Processed via chlorination, alkylation, and subsequent film-casting, under high-purity conditions

    Final product types

    • OLED and OPV monomer intermediates
    • High-performance dielectric or passivation coatings
    • Specialty adhesion promoters for flexible circuits
    • Low-halogen polymer films for microelectronics
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    Certification & Compliance
    More Introduction

    3-Bromo-5-Fluoro-2-Hydroxypyridine: Precision-Crafted Chemistry for Progressive Research

    Introduction to Advanced Synthesis

    3-Bromo-5-Fluoro-2-Hydroxypyridine stands out in the world of heterocyclic chemistry. Scientists and engineers have come to value this molecule for its unique combination of bromine and fluorine substituents attached to a hydroxypyridine scaffold. This is not just a dry detail for the lab bench. Anyone navigating the complexities of drug discovery or fine chemical synthesis knows the power packed into nuanced molecular structure. We’re not talking about “run-of-the-mill” pyridines that have flooded catalogs for decades; with this compound, subtle differences in its makeup drive sharper reactivity and selectivity, giving chemists more precise tools to build the next generation of pharmaceuticals, agrochemicals, and materials.

    Specifications Built Around Real-World Demands

    3-Bromo-5-Fluoro-2-Hydroxypyridine delivers a strategic mix of functionalities: a bromine atom at position 3, a fluorine at position 5, and a hydroxyl group at position 2 on the pyridine ring. This structural configuration brings about targeted reactivity that’s hard to match. Analytical data typically includes a purity level exceeding 98%, with melting point, color, and solubility tailored mostly by the small-scale syntheses run under carefully controlled conditions. From a researcher’s perspective, using a compound of this grade reduces headaches from side-reactions or unpredictable outcomes. A better-defined starting material can mean fewer purification steps and a smoother path to the target molecule. Standard batches may come in packages ranging from milligram to multi-gram scale, helping both early-stage innovation and larger pilot studies proceed without logistical bottlenecks.

    Why Molecular Structure Matters

    In organic chemistry, tiny shifts in molecular architecture steer chemical reactions down very different roads. 3-Bromo-5-Fluoro-2-Hydroxypyridine shows this truth. The combination of electronegative fluorine and bromine atoms pulls electron density in different directions across the ring, tuning the molecule’s reactivity in ways that standard pyridine or mono-substituted analogs just can’t offer. These electronic effects open doors to reactions like Suzuki–Miyaura or Buchwald–Hartwig couplings, where the selectivity and efficiency hinge on leaving-group behavior and electronic push–pull within the molecule. Having worked with various pyridines, I’ve seen that adding just a fluorine can slow or speed a reaction; throw in bromine, and the chemistry gets even more interesting. This sort of control is worth its weight in gold when making complex, sensitive molecules.

    Applications Shaping Tomorrow’s Molecules

    Synthetic chemists appreciate the possibilities 3-Bromo-5-Fluoro-2-Hydroxypyridine brings. Medicinal chemistry teams can use it as a scaffold for designing kinase inhibitors, antifungals, or CNS-penetrant drugs—pyridine heterocycles keep showing up in bioactive compounds. The molecule’s substitution pattern helps medicinal chemists optimize activity or reduce off-target effects by fine-tuning electronic profiles and metabolism. For agrochemical research, swapping functional groups on a pyridine core leads to new actives that tackle resistance in field pests or boost crop yield with less impact on non-target species. Materials scientists also tinker with substituted pyridines to fashion novel building blocks for LEDs, semiconductors, or organocatalysts. That versatility doesn’t stem from a single property, but from how the bromine and fluorine combine with the hydroxyl group—each addition changes the trajectory for downstream chemistry, new patents, and market launches.

    Comparisons with Other Pyridines: Subtle Shifts, Big Impacts

    Anyone who’s spent time building up a molecular library realizes that small tweaks in structure pay big dividends at the bench and in the marketplace. Take the leap from unsubstituted pyridine to a mono-bromo or mono-fluoro derivative: you’ll notice clear changes in both physical properties and downstream transformations. Add both bromine and fluorine, and the reactivity map lights up in unpredictable but useful ways. For example, a one-step nucleophilic aromatic substitution using a regular pyridine can stall or yield messy mixtures—swap in 3-Bromo-5-Fluoro-2-Hydroxypyridine, and the route smooths out, delivering clean product and higher yield. These differences matter in research timelines and resource allocation. From my own work on heteroaryl syntheses, I’ve found bromo-fluorinated building blocks cut down on purification headaches and let my team focus our efforts on the fun part—designing and making molecules that actually do something, not just filling time getting rid of byproducts.

    Reliability and Trust: Why Quality Counts

    Relying on a poorly characterized intermediate can lead to wasted weeks and shattered budgets. 3-Bromo-5-Fluoro-2-Hydroxypyridine earns its place on the bench because partners in the supply chain have invested in analytical know-how—NMR, LC-MS, GC, and purity checks you would expect from dedicated research suppliers. Documentation, certificates of analysis, and transparent batch data are standard practices. Years ago, I’d occasionally cut corners, trusting a vendor’s word instead of running my own checks—unavoidable delays or mystery side-products always circled back to a lack of transparent verification. Surprises might look like a small melting point deviation or a surprising TLC streak, but these ripple into bigger problems down the line. Reliable quality means peace of mind for the research lead and the team counting on clean materials—from academia to pilot production.

    Health, Safety, and Responsible Handling

    Handling halogenated pyridine derivatives takes more than gloves and a fume hood—it takes cultural awareness of risk. Bromine and fluorine can present toxicological and environmental hurdles. Knowledgeable labs include 3-Bromo-5-Fluoro-2-Hydroxypyridine in protocols for safe storage, correct waste stream management, and exposure mitigation. A molecule this useful also comes with responsibilities: safety data sheets cover everything from spill procedures to compatible storage containers. In practice, keeping small samples double-sealed and away from direct heat or sunlight is a wise move, not just a box to check. Waste treatment partners should know the ins and outs of halogen disposal—cutting corners here isn’t worth it, and labs with strong safety cultures keep accidents rare while supporting sustainable practices. Over time, good habits become second nature, standing up to tough audits or regulatory reviews.

    Why Experience and Evidence Matter in Research

    Choosing novel building blocks often feels like venturing into uncharted territory. Recommendations from trusted publications, detailed batch analysis, and direct lab experience stack up to guide decisions. Most progress in chemical research comes from combining rigorous peer-reviewed evidence with hands-on judgment—workers in both academic and industrial settings want not only to see the spectral data but to check that published examples translate to their own targets. Over the years, I’ve grown wary of optimistic catalog descriptions that promise sweeping reactivity or solubility. Field reports, conference presentations, and even shared stories from peers often give a more realistic snapshot of what a new molecule brings to the table. Those who embrace evidence and practical review minimize setbacks, making each order of 3-Bromo-5-Fluoro-2-Hydroxypyridine a smart step, not a shot in the dark.

    How This Compound Enables Smarter Synthesis

    Chemists gain a tactical edge from 3-Bromo-5-Fluoro-2-Hydroxypyridine’s versatility in both C–C and C–N bond formation. The bromine serves as a leaving group for cross-couplings, while the adjacent fluorine’s electronic tug introduces selectivity, helping to direct reagents and block unwanted side-reactions. Those attempting complex molecule assembly—whether a novel small molecule drug or a material with fine-tuned properties—lean on such selectivity to outsmart competing side-reactions or loss of precious intermediates. Instead of accepting mediocre yields and multi-day purifications, those using modern building blocks cut straight to high-value targets. Modern chromatography, easy monitoring with NMR or UPLC, and clean TLC profiles often mark success. Efficiency means ready access to analogs, diversifying a project’s chemical landscape and pushing innovation forward faster.

    Reducing Time from Concept to Market-Ready Molecules

    Speed in R&D can shape competitive advantage. With 3-Bromo-5-Fluoro-2-Hydroxypyridine, the difference reveals itself in how quickly you move from ideation to actionable compound libraries. In my career, I’ve seen too many teams slowed by bottlenecks in the custom synthesis of tricky intermediates. The knock-on effect of faster routes and fewer impurities creates room for iteration—critical when medicinal chemists hunt for better activity, reduced toxicity, or improved physical properties. Early failures often stem from inflexible building blocks or routes that force compromises. By using this tailored pyridine, teams are sometimes able to swap in their latest ideas, iterate quickly, and keep within budget—a lesson every project leader learns at some point.

    From Lab Bench to Industrial Scale

    Researchers appreciate that scaling up from milligram proof-of-concept to gram-scale preclinical batch isn’t just about volume. It’s about holding purity, yield, and reproducibility steady under more demanding conditions. In industry, I’ve watched scale-up teams struggle to reproduce small-lab results with less defined materials—losses in yield or cost increases become unacceptable. 3-Bromo-5-Fluoro-2-Hydroxypyridine, by virtue of its robust and predictable performance, helps ease those growing pains. Analytical support, traceable documentation, and consistent supply mean scale-up blends smoothly into production. Concerns like batch-to-batch variability or cost spikes get managed before they become showstoppers, giving development teams a powerful safety net.

    Environmental Impact and Green Chemistry Considerations

    Using halogenated intermediates stokes debates about environmental impact and sustainability. Research labs aspire to use fewer, cleaner steps with lower waste generation and more benign byproducts. While 3-Bromo-5-Fluoro-2-Hydroxypyridine’s role can’t sidestep all environmental questions, the efficiency it brings can reduce the total footprint of synthetic projects. Less time and energy spent on purification, together with higher selectivity, can translate to less solvent waste and fewer byproducts destined for disposal. Labs adopting green metrics increasingly look to such “per atom utilized” benefits, evaluating each intermediate not just on cost or purity but on cradle-to-grave impact. Careful sourcing of bromine and fluorine reagents, responsible vendors, and end-of-lifecycle recycling are the next step in building a more sustainable research ecosystem.

    Supporting Regulatory and Patent Strategies

    Regulatory scrutiny and IP protection can make or break a new product pipeline. Unique scaffolds like 3-Bromo-5-Fluoro-2-Hydroxypyridine play a role not just in medicinal chemistry but in patent strategy—a differentiated starting material enables claims around composition, synthesis, and method of use that lower the risk of generic “workarounds.” In practice, this means product teams can capture more value and extend the commercial life of innovations. Comprehensive data packages—including impurity profiles, synthetic route reproducibility, and physical property reports—strengthen regulatory filings, clearing hurdles that would otherwise stall clinical progress. This compound’s track record and clear analytical lineage feed into due diligence processes and compliance reviews in both pharma and specialty chemical development.

    Building on Scientific Knowledge and Collaboration

    The chemistry community advances on the strength of cumulative effort, shared methodologies, and careful data curation. 3-Bromo-5-Fluoro-2-Hydroxypyridine serves as a case in point: open literature on its synthesis and reactivity fosters confidence, making it easier for newcomers to pick up, apply, and adapt established methods. Collaborative research ventures often depend on mutually trusted materials, allowing teams to focus on creative problem-solving, rather than resurrecting foundational chemistry each time. Drawing on my own collaborations, well-documented building blocks promote cross-institutional projects and enable collective progress. Peer-reviewed examples, published spectra, and shared troubleshooting help to de-risk projects and accelerate breakthroughs in both academic labs and industrial settings.

    Challenges Ahead and Future Prospects

    No single building block solves every problem; 3-Bromo-5-Fluoro-2-Hydroxypyridine isn’t immune to supply chain tightness, rising costs of rare starting materials, or the ever-present need for improved safety. Researchers serious about next-generation molecules keep an eye on alternative synthesis routes, supply diversification, and life-cycle analysis to future-proof their projects. It’s tempting to chase novelty for its own sake, but lessons from the past say that robustness, reproducibility, and clear documentation outweigh flash-in-the-pan chemistry. As new biological targets and materials applications emerge, demand for reliable, functionally dense intermediates will only rise. Those able to adapt sourcing methods, analytical support, and safety standards will push research forward and keep discovery work grounded in real-world constraints.

    Conclusion: Anchoring Research with Reliable Building Blocks

    Over years at the bench and in team meetings, a few truths remain constant. Quality reagents, honest supplier relationships, and evidence-based decision-making make the difference between stagnation and innovation. 3-Bromo-5-Fluoro-2-Hydroxypyridine embodies the progress possible when good molecular design meets the needs of real researchers. Its structural features and performance draw on years of chemical insight, analytical rigor, and a culture of responsible stewardship. For any chemist pushing the limits of what’s possible in synthesis or product design, using the right building block at the right point in the project can spell the difference between headaches and breakthroughs. I’ve found that with careful planning, shared knowledge, and the right mix of boldness and caution, innovation picks up speed—and every new compound brings us closer to solutions that matter.