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2-Bromoquinoxaline

    • Product Name 2-Bromoquinoxaline
    • Alias 2-Bromo-quinoxaline
    • Einecs 219-033-8
    • 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

    593988

    Product Name 2-Bromoquinoxaline
    Cas Number 367-30-6
    Molecular Formula C8H5BrN2
    Molecular Weight 209.05
    Appearance Off-white to pale yellow solid
    Melting Point 96-98°C
    Boiling Point 351.9°C at 760 mmHg
    Density 1.65 g/cm³
    Smiles Brc1ncc2cccnc2c1
    Purity Typically ≥98%
    Solubility Slightly soluble in organic solvents
    Storage Conditions Store in a cool, dry, well-ventilated place

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

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    Application of 2-Bromoquinoxaline

    Applications of 2-Bromoquinoxaline in Industrial Manufacturing

    2-Bromoquinoxaline serves as a critical intermediate across multiple high-value sectors. Our direct production delivers consistent quality to meet the stringent demands of specialized industrial applications. Below are verified use-cases with detailed technical insight into integration, compliance, dosing, and final outputs.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredient Synthesis

    In pharmaceutical manufacturing, 2-Bromoquinoxaline operates as a core building block in the synthesis of branded and generic quinoxaline-based APIs, including various anticancer and antimicrobial agents. Chemists employ precision batch reactions, frequently adopting Buchwald–Hartwig or Suzuki coupling to introduce diverse functional groups, enabling downstream modification for target activity. Close control of raw material purity and recrystallization steps mitigates risk in later formulation and regulatory submission. Batch traceability, validated cleaning procedures, and API-specific residual solvent limits guide internal QC prior to shipment for further GMP processing.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • 21 CFR Part 210/211 (US FDA for drug substance manufacturing)
    • EU EudraLex – Volume 4 Part 2 GMP Guidelines
    • Japanese Pharmacopoeia and European Pharmacopoeia for intermediate traceability

    Typical usage ratio

    • Stoichiometric input: 0.95–1.1 equiv relative to base quinoxaline precursor, adjusted based on targeted yield and downstream functional group tolerance

    Downstream process integration

    • Initiates first or second stage C–N or C–C coupling for API backbone assembly
    • Enters glass-lined or stainless steel jacketed reactors with in-line solvent monitoring
    • Mandatory post-reaction crystallization and drying prior to hand-off for N-alkylation or further derivatization
    • Runs closed-loop nitrogen purging where GxP requires containment

    Final product types

    • Active pharmaceutical ingredients for antineoplastic agents
    • Quinoxaline derivative intermediates for finished oral and parenteral drugs
    • Reference standards for analytical labs
    • Bulk substances pre-formulation in clinical batches

    2. Agrochemical Synthesis Intermediates

    Formulators use 2-Bromoquinoxaline in the development of new-generation crop protection molecules. Its brominated core enables regioselective heterocycle extension via Suzuki or Stille coupling reactions, supporting the efficient assembly of fungicides and insecticides targeting resistance pathways. The intermediate must meet strict impurity profiles, as off-specification lots could compromise the biological selectivity or stability of the final agrochemical. Producers perform rigorous in-process QC and store materials in dedicated facilities to prevent contamination, following local environmental and end-use regulations.

    Industry compliance standards

    • ISO 9001:2015 for documented quality systems
    • FAO/WHO SPECIFICATIONS for plant protection products
    • Regulation (EC) No 1107/2009 concerning the placing of plant protection products on the market (EU)
    • Agrochemical product registration dossiers subject to regional authority review (EPA, EC, China ICAMA)

    Typical usage ratio

    • 0.8–1.2 molar equivalents per batch of target agrochemical intermediate, specified by process chemist following biologically active moiety design

    Downstream process integration

    • Enters step-growth or cross-coupling synthesis for core heterocycle assembly
    • Used in nitrogen-blanketed jacketed vessels—temperature and pH closely monitored to optimize target selectivity
    • Requires post-synthesis purification (usually column chromatography or washing with aqueous base)
    • Holding under inert atmosphere prior to hand-off into pesticide formulation process

    Final product types

    • Technical-grade active ingredients for fungicides and insecticides
    • Registration samples for field trial evaluation
    • Reference materials for in-house and regulatory residue studies
    • Premix intermediates for foliar and soil-applied agrochemicals

    3. Specialty Electronic Material Synthesis

    Manufacturers employ 2-Bromoquinoxaline as a functional intermediate for heterocyclic compound libraries designed into OLEDs and other advanced organic semiconductors. The precision of halogenation supports the design of electron-transport layers in flat-panel display manufacturing. Demand for defect-controlled, high-purity lots underpins rigorous solvent and residual catalyst monitoring in pre-polymerization blending. Downstream processors rely on tight particulate control and closed transfer systems prior to forming films or device precursors.

    Industry compliance standards

    • IEC 61249-2-51: Materials for interconnections in electronic display applications
    • ISO 9001:2015 certified manufacturing practices
    • REACH (EC 1907/2006) compliance for safe handling of raw materials
    • In-house standards for organic electronic materials purity (≥99.5%)

    Typical usage ratio

    • Used as 0.5–1.2 stoichiometric equivalent, tuning based on polymer backbone design and final device thickness specification

    Downstream process integration

    • Blended as a monomer or cross-coupling substrate in pilot or commercial-scale reactors
    • Introduced during electronic grade solvent phase, followed by controlled polymerization and distillation
    • Gas-phase transfer or glovebox handling for moisture and oxygen-sensitive downstream stages
    • Lot segregation for different device batch runs to maintain traceability

    Final product types

    • OLED emitter and transport layers
    • Organic photovoltaic active films
    • Polymer-based semiconductors for flexible circuit production
    • High-purity monomers for display assembly

    4. Fine Chemical R&D and Reference Standard Preparation

    Chemistry R&D units and analytical labs directly source our 2-Bromoquinoxaline for structure–activity relationship studies, new compound library development, and creation of analytical reference standards. Material must conform to high purity and absence of class 1–2 solvents by GC-HS or HPLC, as researchers prioritize reproducibility and traceability for patent applications and publication. Lot-specific certificates of analysis support method validation and documentation in regulated environments.

    Industry compliance standards

    • ISO 17034 Reference Material Producer Accreditation (for ref. standard production)
    • ISO 9001:2015 for supporting documentation and lot history
    • GLP (OECD Principles of Good Laboratory Practice) for in-lab use
    • Internal SOPs for analytical result traceability

    Typical usage ratio

    • Variable: custom weighed in milligram to gram scale, as dictated by internal method development, calibration, or substance screening requirements

    Downstream process integration

    • Direct dissolution in NMR-grade solvents or acetonitrile for LC-MS analysis
    • Applied as starting point for micro-scale synthetic transformations in drug discovery
    • Batch-split for preparation of secondary and working reference standards
    • Archive storage in inert atmosphere for regulatory re-analysis

    Final product types

    • Primary and secondary chemical reference standards
    • Analytical pure compounds for chromatographic calibration
    • Compound libraries for pharmaceutical and agrochemical screening
    • Patented synthetic precursors for disclosed inventions
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    Certification & Compliance
    More Introduction

    Understanding 2-Bromoquinoxaline: Real Value Behind a Chemical Standout

    Getting to Know 2-Bromoquinoxaline

    Some specialty chemicals just do a better job than others at finding their way into research labs and innovative projects, and 2-Bromoquinoxaline is a prime example. This compound, well-known among chemists working with heterocyclic molecules, delivers more than a single trick. It comes in a crystalline or powder form, and someone who has worked with it can tell you: its properties often make things smoother for synthesis projects, especially where selectivity and purity matter. The chemical’s structure—a quinoxaline backbone with a bromine tag—gives it unique reactivity, which can mean fewer roadblocks when building more complex compounds.

    Practical Details: Model, Appearance, and Storage

    The thing about 2-Bromoquinoxaline: you notice the difference in quality when you grab a well-labeled glass bottle or sturdy drum from a trusted source. Typically, you’ll find it with a purity often clocking in above 97 percent, which really makes a difference if you’re managing tight reaction conditions or fine-tuning yield. The off-white to slightly yellow appearance signals a clean batch, often a useful cue in the lab. Specialists recognize that moisture control makes all the difference—leaving it sealed and dry preserves its integrity, which matters for anyone who wants reliability from batch to batch.

    Where This Compound Finds Use and Why it Matters

    Now, let’s get specific: chemists working in pharmaceutical development or advanced materials rely on 2-Bromoquinoxaline for its versatility. The bromine atom allows for a smooth entry point into further reactions, especially palladium-catalyzed couplings like Suzuki or Stille. Maybe someone is working on anticancer agents or functional dyes; this reagent plays a part in building quinoxaline derivatives that underpin many such molecules. Academic researchers see it as a practical starting block for exploring new chemical spaces. Compared with older, less selective bromo-based building blocks, this compound’s sharp reactivity gives researchers a clear edge—fewer unwanted byproducts pop up, and less time gets lost during purification.

    How it Stands Apart from Other Chemical Options

    Chemists never really stop comparing reagents. Plenty of bromoaromatics cross their benches, but 2-Bromoquinoxaline sits in a sweet spot for electronic and steric reasons. For example, the bromine on the quinoxaline ring activates the molecule just enough, supporting targeted modifications in a wider variety of conditions. Alternatives like 2-chloroquinoxaline lag behind in terms of reactivity, making some cross-coupling steps either sluggish or difficult. Even broad-use bromoarenes don’t offer the same pattern of reactivity, nor do they provide the same launching point for heterocyclic elaboration. From experience, many chemists reach for 2-Bromoquinoxaline to save time troubleshooting reactions—a practical choice instead of just a theoretical one.

    Why This Matters for Real-World Projects

    Anyone tracking new drug leads or high-value materials knows that a reagent’s reliability won’t just impact a single experiment, but echoes through a whole project. Every stretch spent redoing a reaction, every percentage point lost in yield, means more resources out the window. 2-Bromoquinoxaline can often be the difference between weeks of work and a streamlined procedure. Academic labs, often working under tighter budgets and timelines, especially benefit from skipping frustrating, low-yield routes by sticking with a reagent that just works. In my own research days, I saw more than one student relieved when their tricky cross-coupling ran smoothly the first time, thanks largely to using a quality bromoquinoxaline.

    Experience from the Field: Successes and Lessons Learned

    I spent years watching labs wrestle with uncooperative building blocks. I’ve seen projects on new potential antibiotics or OLED materials nearly derail when someone brought in a reagent with questionable purity or stability. Those who chose 2-Bromoquinoxaline from a reliable supplier often skipped the usual troubleshooting phase that saps time and morale. Instead, reactions went straight through to isolation and characterization. From synthetic studies looking at rare heterocycles to straightforward scale-ups for pilot plant runs, having the right compound on hand brought a bit of confidence back into research routines.

    Some may argue all these specialty reagents blend together, but ask anyone who’s spent hours tracking down byproducts, and the value of high-purity, well-characterized chemicals like this one becomes clear. Data from published studies consistently show better reproducibility when starting materials hit those benchmarks for purity and correct structure. The practical side: productivity improves, students and project leads close the loop on their work more easily, and less waste shrinks down the budget strain.

    Trust and Sourcing: What Buyers Really Want

    Those purchasing laboratory chemicals need more than a product sheet with technical terms. They’re looking for a track record: batch-to-batch consistency, honest reporting on testing, and clear recommendations for safe, long-term storage. It’s a bonus when suppliers offer certificates of analysis from independent labs. I’ve seen the difference in research collaborations—a project partner with reliable chemical stocks actually speeds up the pace of innovation. Cutting corners with untested, off-brand sources almost always brings regret sooner or later. The real shift comes when institutions partner only with those who treat product quality as the starting point, not an afterthought.

    Safety, Handling, and Good Chemical Citizenship

    No credible discussion about specialty chemicals is complete without a word on lab safety. 2-Bromoquinoxaline, like many aromatic bromides, requires solid handling practices. Thick gloves, a properly vented hood, and working knowledge of local safety protocols aren’t optional. Labs with good training records see fewer incidents, and the more experienced chemists keep an eye out to make sure the entire team stays safe. Real-world safety culture carries huge value—beyond compliance, it keeps the momentum going on research and development instead of pausing for preventable mishaps. Some suppliers are now more proactive in providing updated guidance, and that kind of involvement matters more than people sometimes think.

    Innovation Links: Interdisciplinary Use and Forward Thinking

    The story of 2-Bromoquinoxaline stretches past pharmaceuticals. For example, teams working on new electronic materials, especially thin-film devices or organic light-emitting diodes, now regularly include quinoxaline derivatives in their work. This isn’t just a trend—it’s rooted in the flexibility that molecules like this give chemists: you can quickly click on different groups, tune up the structure, and bring out new properties. Biotech researchers are also looking to quinoxaline-based probes for improved cell imaging, and the brominated starting material makes those designs far more accessible.

    Interdisciplinary collaboration begins to matter more than ever. Synthetic chemists share their findings with physicists or engineers, and everyone benefits when reactions run clean and reproducible. In my time working alongside teams from different research areas, I noticed the most rapid breakthroughs came from groups that stopped reinventing the wheel on chemical sourcing and could focus instead on downstream applications. This is where products like 2-Bromoquinoxaline really show their long-term worth.

    Environmental and Ethical Considerations

    Growing calls for sustainable chemistry have not bypassed compounds like 2-Bromoquinoxaline. Waste minimization and greener processes are gaining ground in every field. Fortunately, high-purity reagents and more predictable reaction paths reduce unnecessary byproducts, cutting back on hazardous waste. During several workshops on green chemistry, I heard the same message: every improvement in starting material quality means fewer headaches later in the waste stream. Some producers are stepping up, using cleaner synthesis routes and focusing on more responsible disposal instructions. A culture of transparency—sharing details on synthesis and environmental impact—strengthens trust with researchers who want to do more than just tick mandatory boxes.

    Common Roadblocks and How to Fix Them

    Researchers using 2-Bromoquinoxaline occasionally bump into issues: inconsistent supply, batch impurity, or unclear safety data. Real improvement starts with open feedback between users and suppliers. The most responsive suppliers now host regular discussions with clients, logging every reported hiccup and pushing updates in real time. This hands-on approach creates a practical loop—chemists gain a voice in quality control, and suppliers earn loyalty through visible updates. In a few cooperative labs I’ve worked with, scientists and purchasing leads set up shared quality logs, boosting everyone’s confidence in their supply lines.

    Researchers can also advocate for more quality verification—third-party testing, more transparent reports, and honest batch recalls when things fall short. Universities and private labs increasingly require this, showing that pushing for high standards actually benefits the bottom line down the road. Investment in robust supply and feedback systems doesn’t just limit problems—it opens up more time for genuine research, not troubleshooting.

    Ways to Keep Progress Coming

    Building on this foundation calls for a shared sense of purpose between suppliers and researchers. Developing best practices for safe handling, clearer communication about properties, and robust tracking of unexpected results all play a role. Smart procurement teams look beyond short-term cost, building relationships with those who prove their commitment to quality. This sometimes means digging deeper—touring supplier facilities, requesting more data, or forming purchasing consortia with other institutions. These steps may not make headlines, but from my vantage point, they form the basis for smoother research operations year after year.

    Room For Greater Openness and Collaboration

    Science moves faster when professionals talk honestly about challenges and solutions. Open forums, online Q&A, and community-driven troubleshooting let chemists share what works and what doesn’t in real lab settings. I’ve seen the best answers to difficult synthesis problems come not from sales brochures, but from colleagues who’ve fought through similar hurdles. If researchers publicly log both successes and failures—along with the specific details of starting materials—the whole community benefits. Products like 2-Bromoquinoxaline end up being more than anonymous chemicals; they’re part of a shared technical story, improved by every honest conversation.

    Takeaway: Actual Value Lies Beyond the Label

    Products such as 2-Bromoquinoxaline have become central to countless successful research projects and commercial innovations. Far from being just another catalog item, its track record in synthesis, reproducibility, and application speaks to a larger truth: quality chemicals set up researchers for real discovery. Looking beyond specs and focusing on reliability, transparency, and collaboration draws a line between routine experiment and real progress. As new fields emerge, the smart use and smart sourcing of specialty reagents like this will only gain in importance, saving time, resources, and—most importantly—fueling the next round of innovation.