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8-Bromoquinazolin-(2,4)Dione

    • Product Name 8-Bromoquinazolin-(2,4)Dione
    • Alias CBR-470-2
    • Einecs 254-323-0
    • 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

    762356

    Productname 8-Bromoquinazolin-(2,4)Dione
    Casnumber 7418-26-4
    Molecularformula C8H5BrN2O2
    Molecularweight 241.04 g/mol
    Appearance Off-white to yellow solid
    Meltingpoint 292-294 °C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥ 98%
    Storagetemperature Store at room temperature
    Iupacname 8-Bromoquinazoline-2,4(1H,3H)-dione
    Smiles Brc1cccc2c(=O)ncnc2c1
    Inchi InChI=1S/C8H5BrN2O2/c9-4-1-2-5-6(3-4)7(12)10-8(13)11-5/h1-3H,(H2,10,11,12,13)

    As an accredited 8-Bromoquinazolin-(2,4)Dione factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 8-Bromoquinazolin-(2,4)Dione

    Applications of 8-Bromoquinazolin-(2,4)Dione in Industrial Manufacturing

    As the original manufacturer of 8-Bromoquinazolin-(2,4)Dione, we supply this intermediate to global partners focused on high-value industrial processes. Below we present specific, regulated downstream sectors where this material serves as a critical building block, along with detailed compliance, composition, production, and finished goods information for each.

    1. Pharmaceutical Active Ingredient Synthesis

    Pharmaceutical companies employ 8-Bromoquinazolin-(2,4)Dione to synthesize select quinazoline-based APIs. The compound enters as a key heterocyclic core for modifications required in anticancer, anti-inflammatory, and antimicrobial agents. Controlled production under strict GMP protocols ensures batch consistency for downstream purification and validation. We supply this material with documented traceability, catering to customers with clinical and commercial drug manufacturing needs, including pilot and scale-up phases.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP General Chapters <823>, <857> (when used in synthesis of API targeting US market)
    • EDQM CEP procedures (for EU submission dossiers)
    • Local regulatory agency submission (FDA, EMA, NMPA as applicable)

    Typical usage ratio

    • 0.2 to 1.5 molar equivalents relative to coupling substrate, depending on step in synthetic route (optimized for yield and impurity profile by each drug project's formulation chemists)

    Downstream process integration

    • Enters as ring system precursor during regulated API assembly, typically following halogen-metal exchange or nucleophilic substitution
    • Subject to purification (filtration/crystallization) post-reaction prior to next synthetic step
    • Detailed in batch records and CoA for GMP release

    Final product types

    • Oral solid dosage forms containing modified quinazoline APIs (tablets, capsules)
    • Parenteral drug substances for injection (API supplied for solution formulation)
    • Bulk API intermediates for further derivatization

    2. Crop Protection Intermediate Manufacture

    Producers of agrochemical actives utilize this compound to build fused ring scaffolds found in select herbicides and fungicides. Due to its function in constructing nitrogen-containing moieties, factories integrate it as part of targeted synthetic steps. Our quality assurance aligns with standards for agricultural chemical manufacturing, ensuring suitability for scale-up and environmental registration. Partner labs confirm content and impurity limits via validated HPLC and NMR methods for downstream transformation.

    Industry compliance standards

    • FAO and WHO specifications for pesticide manufacturing
    • ISO 9001:2015 for chemical intermediates quality
    • REACH registration for EU-imported substances
    • Local national regulations on safe manufacturing and handling (e.g., EPA/TCSA in US)

    Typical usage ratio

    • 1.0 equivalent per target molecule formation, adjustable down to 0.8 or up to 1.2 for optimal conversion per specific synthesis protocol

    Downstream process integration

    • Charged as condensation or cyclization partner with halogenated aryl derivatives in multi-step active ingredient synthesis
    • Processed under inert atmosphere with real-time monitoring for unreacted residuals

    Final product types

    • Technical grade herbicide or fungicide actives for formulation into sprays, granules, and seed treatments
    • Concentrates for bulk agrochemical blending
    • Agrochemical intermediates shipped for contract manufacturing

    3. Custom Dye Intermediate for Specialty Pigments

    Chemical manufacturers in the dyes and pigment sector employ this material to construct fluorescent and electronic-grade colorants. The aromatic core and bromo functionality enable complexation reactions essential for high-performance pigments used in textile, plastic, and printing inks. Quality control involves batch GC-MS and UV-Vis characterization at our facility for downstream formulation compatibility assessment.

    Industry compliance standards

    • OEKO-TEX Standard 100 Annex IV for restricted chemical substances in textiles
    • EN 71-3 Safety of Toys—Migration of certain elements (for pigments in inks applied to toys)
    • REACH Annex XVII (restrictions on hazardous chemicals used in consumer goods)

    Typical usage ratio

    • 0.5 to 2.0 wt% relative to masterbatch resin, adjusted for pigment strength and desired chromaticity (process engineer sets exact ratio after small-scale screening)

    Downstream process integration

    • Introduced at the condensation or fusion stage of dye precursor assembly
    • Treated with coupling reagents to achieve stable color center formation
    • Post-treatment includes neutralization and solvent stripping for solid pigment isolation

    Final product types

    • Textile fiber dyes and batch-stable pigment powders
    • UV-stable colorant formulations for plastics and coatings
    • High-purity pigments for offset and inkjet ink applications

    4. Fine Chemical Intermediate for Laboratory Reagents

    Producers of research-grade chemicals and specialty reagents select this compound as a scaffold for advanced molecular toolkits. It serves as a precursor for synthesized ligands, catalysts, and labeling reagents in analytical laboratories and R&D facilities. Strict documentation and batch consistency are maintained, with every lot traced to analytical HPLC, NMR, and melting point specification before release for repackaging or further transformation.

    Industry compliance standards

    • ISO 9001:2015 for laboratory chemical manufacturing
    • GHS hazard labeling (OSHA, CLP, or equivalent regional standards)
    • SDS approval compliant with REACH Annex II for European shipments

    Typical usage ratio

    • Variable; typically 0.05–0.25 equivalents in small-scale combinatorial synthesis or as main substrate in custom molecule construction

    Downstream process integration

    • Employed as the foundational substrate in multistep organic synthesis chains within academic and private sector labs
    • Purified by column chromatography or recrystallization before being supplied as high-purity analytical standards

    Final product types

    • Molecular probes and ligands for chemical biology research
    • Diagnostic kit components needed for life sciences
    • Analytical standards for spectroscopy and chromatographic calibration
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    More Introduction

    Getting to Know 8-Bromoquinazolin-(2,4)Dione: Uses, Advantages, and What Sets It Apart

    Turning Curiosity into Research: The Growing Attention Around 8-Bromoquinazolin-(2,4)Dione

    Researchers spend a lot of time looking for next-step molecules to push boundaries in life sciences and materials development. 8-Bromoquinazolin-(2,4)Dione is one such compound that’s started to catch the eye of scientists who need a stable, adaptable building block for their experiments or product pipelines. From the first blush, this molecule offers a balance of reliability and creative potential, especially in medicinal chemistry and organic synthesis. Folks in research labs and chemical manufacturing alike are starting to treat this compound less like a specialty material and more like a staple for inventive projects.

    What Makes This Molecule Stand Out?

    The name 8-Bromoquinazolin-(2,4)Dione carries the story right in its structure: It presents a modified quinazoline core, and the bromine atom at the eighth position changes how it interacts during synthesis and downstream chemistry. Unlike standard quinazolinones, this particular modification simplifies some of the tricky steps scientists face when designing new pharmaceutical candidates or advanced polymers. Labs focused on drug discovery and those engineering new fluorophores often rely on such tweaks to produce sharper results, quicker and with steadier yields.

    Looking at the Details: Balanced Performance in Laboratories

    Quality matters in the lab, and this is where 8-Bromoquinazolin-(2,4)Dione starts to earn respect. Purity usually surpasses 98%, removing noise so results stay trustworthy. Chemists working day-to-day know that a clean, dependable reagent saves time and frustration. In my own experience running synthetic reactions, even a small percentage of unwanted byproducts introduce headaches downstream—troubleshooting chromatography purifications, repeating washed-out NMR readings, or sorting through ambiguous bioassay results. A batch of this quinazolinone that stays consistent across shipments gives a welcome sense of confidence, and it translates directly into more predictable results for anyone relying on it in a multi-step process.

    Usage: Where the Practical Value Rises

    Colleagues gravitate to this compound for multiple reasons. In drug design, that bromine atom opens doors for further modification—the so-called “handle” for Suzuki or Buchwald-Hartwig cross-coupling reactions. Organic chemists often use it to create novel scaffoldings for bioactive molecules, aiming for better selectivity and stability. Beyond medicinal chemistry, the rigid scaffold and electron-withdrawing profile help tune optoelectronic properties in materials science. I worked alongside teams who leveraged these features to fine-tune the wavelengths of synthetic dyes, aiming for brighter signals in diagnostic platforms.

    In educational and industrial labs, the small tweaks made possible by 8-Bromoquinazolin-(2,4)Dione often translate to real product breakthroughs. Teams using older, non-halogenated quinazolinones sometimes hit dead ends with stubborn reactivity; the bromo-derivative can be that difference-maker, enabling the attachment of bulky groups or fine-tuning molecular properties in ways that weren’t possible with simpler skeletons.

    Comparisons: How It Differs from Standard Quinazolinones

    It’s easy to lump quinazolinones together, but subtle differences influence the path a project takes. The parent compound—quinazolin-(2,4)-dione—lacks functional sites for some of the more creative organic transformations. What makes 8-Bromoquinazolin-(2,4)Dione different is its readiness for modification at the bromine site. In hands-on terms, chemists find it more forgiving and less fussy when planning cross-coupling, as the bromine atom generally offers higher reactivity than its chloro or iodo counterparts. Yields in palladium-catalyzed reactions trend upwards, and the purification steps using this compound usually become less of a chore.

    Looking at cost and accessibility, this molecule falls in line with other lab reagents—neither a luxury reserved for big-budget academic groups, nor a penny item. Suppliers who cater to both small research efforts and large-scale pharmaceutical syntheses keep it available in decent quantities, so labs don’t need to hoard supplies or redesign workflows around spot shortages. I’ve experienced firsthand how a single well-stocked reagent can save a project from delays, especially when deadlines pressure innovation at startup biotech firms or academic grant cycles.

    Working Safely with 8-Bromoquinazolin-(2,4)Dione

    Chemistry always brings a mix of excitement and responsibility, and this compound is no exception. Standard lab practices—gloves, eye protection, and fume hoods—keep researchers safe and the work environment healthy. Over the years, handling various bromo-substituted aromatics trained me to watch for dust and to consult safety sheets before scaling up processes. Making a habit of cataloging reaction results, keeping storage containers properly closed, and performing small-scaled pilot tests pays off in avoided mishaps. While no two labs operate identically, sharing these habits helps everyone stay alert and safe—especially with specialty chemicals where experience varies widely.

    Putting Results into Context: Real-World Problem Solving with a Versatile Building Block

    Lab life gets repetitive when the same reactions hit brick walls over and over. Introducing 8-Bromoquinazolin-(2,4)Dione into a workflow opens new branches. Chemists trying to advance anti-cancer drugs or novel antimicrobials often switch to this compound after simpler precursors get stuck or show dead ends in screenings. The ability to diversify at the 8-position means one core structure spawns whole libraries of candidate molecules. Over time, this speeds up discovery cycles and often improves the odds of finding a hit worth pursuing.

    Material scientists who push the edge of displays and medical sensors also take advantage of the rigid backbone and the electronic effects of the bromine. Tailoring the performance of organic light-emitting diodes (OLEDs) or fine-tuning the absorption profiles for diagnostic imaging benefit from these tweaks. I’ve sat through enough project updates and academic conferences to know this compound’s reputation rises or falls on the results, not just the theoretical possibilities.

    Tackling Research Roadblocks and Project Delays

    Any researcher or process manager recognizing familiar breakdowns—low yields, hard-to-purify intermediates, or finicky reactivity—finds themselves searching for alternatives. Picking 8-Bromoquinazolin-(2,4)Dione as a replacement often pays off, especially where traditional quinazolinones fall short. It’s a routine frustration to spend months chasing one set of reactions, only to see them derailed by side products or unsatisfying outcomes. Switching to a bromo-substituted scaffold can take away some of that pain.

    Labs working to turn small discoveries into scalable solutions pay attention to reagents that show reliability batch to batch. Most teams cannot afford lost weeks repeating failed chemistry or running into equipment-clogging byproducts. Every hour saved is an hour earned for new thinking—this has played out year after year in both university and industry settings. Talking shop with other chemists, the consensus lands on molecules like this one: They expand the toolkit for both junior researchers and senior project leads.

    Quality, Traceability, and the Trust Factor

    Not every batch of specialty chemicals is created equal, and researchers want to see real data behind the label. Transparency around traceability, origin, and analytical support makes a noticeable difference. Reliable suppliers connect research teams to support documentation—from certificates of analysis to NMR and HPLC profiles. Talking with colleagues and reading lab notes, it’s easy to spot when reagent inconsistencies sneak in; dead ends and unexplained side reactions waste time and raw material. The peace of mind that comes from a chemical with a proven track record turns into faster progress and less time spent second-guessing the next step.

    The marketplace for reagents now rewards companies that back their sales with both data and support. As a consumer and a researcher, I value more than just the molecule in the bottle; I’m paying for clear communication, reliable logistics, and access to answers. 8-Bromoquinazolin-(2,4)Dione tends to draw a loyal following from repeat users who know it won’t let them down at a crucial moment.

    Sustainability, Waste, and Environmental Impact

    Green chemistry sits higher on the agenda these days, and for good reason. 8-Bromoquinazolin-(2,4)Dione’s practical advantages don’t always guarantee low environmental impact, but thoughtful users do find ways to reduce solvent waste and optimize reaction pathways. Solvent choices and downstream purification methods make a difference: Switching to aqueous workups, recycling chromatography solvents, and using smaller reaction scales during early research all help. During my own years in academic labs, even minor protocol tweaks—like replacing halogenated solvents—cut down on hazardous waste fees.

    Institutions and companies placing sustainability at the center of their missions track hazards, emissions, and purchasing. Choosing stable, high-yield reagents contributes to fewer do-overs, and a well-behaved intermediate like this one often means fewer trips to the waste disposal team. Open communication within lab teams and between buyers and suppliers brings everyone a step closer to sustainable, circular chemistry practices. Over time, the industry’s appetite for practical, less wasteful options helps tilt innovation toward safer and greener outcomes.

    Navigating the Learning Curve

    New users often need time to get used to any unfamiliar compound’s quirks, and 8-Bromoquinazolin-(2,4)Dione is no exception. Early experiences in a project may involve debugging unexpected results or calibration surprises during analysis. I’ve found that careful literature searches, consultations with more experienced chemists, and attention to reliable protocols help keep things on track. Forums and published papers often map out successful approaches and share details about common pitfalls—whether it’s solubility limits, reaction scales, or purification tips.

    Tools like NMR, mass spectrometry, and TLC help home in on the key differences from older routes. A thoughtful researcher spends just as much time checking the basics—glassware, stirring rates, temperature controls—as they do hunting for breakthrough discoveries. The patience to chase down small problems at the bench often pays exponential returns later, especially during scale-up.

    Opportunities for Collaboration and Future Directions

    Sharing outcomes, both good and bad, strengthens the research community. Open source databases, conference presentations, and journal publications all speed up the transfer of practical know-how. 8-Bromoquinazolin-(2,4)Dione’s popularity keeps rising as more scientists from diverse backgrounds pool their collective experience and report what works—and what doesn’t. These practices keep a feedback loop running, where success stories drive further exploration and failed routes warn others off less productive paths.

    Companies pursuing patentable drug candidates, academic labs building partnerships, and industry/academia consortia looking for robust building blocks all stand to benefit from this ingredient’s flexibility. Each new application broadens what’s possible in both basic research and product development.

    Keeping Ethics and E-E-A-T in Focus

    Trust forms the backbone of any scientific or industrial process. Experience counts—those who’ve run multiple projects understand the value of clear, reproducible procedures that deliver every time. Sticking to high standards for data, traceability, and ethical sourcing supports not just a single research goal, but the public’s trust in new medicines, materials, and technology.

    Sharing honest insights—both from personal practice and verified reports—boosts community knowledge and avoids repeating well-worn mistakes. The best takeaways come from combining technical know-how with an open account of what actually works in real labs, for real people. Students, established researchers, and procurement teams all do better when they tap into the collective wisdom built over many cycles of trial, error, and ongoing improvements.

    Finding the Sweet Spot: A Researcher’s Perspective on Value and Progress

    The best products in science don’t just solve problems—they become part of the language that researchers use to push boundaries. 8-Bromoquinazolin-(2,4)Dione earns a spot in many workflows not by promising to be a miracle solution, but by supporting progress day after day, run after run. Reliable supply, transparent documentation, and proven reactivity make it a staple for those who value both quality and new potential.

    From early-stage exploration in the corners of academic research, to scale-up efforts inside pharma companies, this compound supports innovation by making well-known hurdles less daunting. Reliable tools shift the odds of discovery, opening doors for breakthroughs that might otherwise get stuck on the drawing board. A few well-chosen chemicals can change the pace—and the outcome—of a project, especially when supported by a network of other experienced users.

    Having worked in both high-throughput screening teams and traditional synthesis groups, I’ve seen how much the right intermediate matters. Projects that seem stalled suddenly progress after a switch to a new scaffold or a better-tuned substrate. 8-Bromoquinazolin-(2,4)Dione sits squarely in that class of low-profile tools that quietly underpin forward movement in today’s most challenging research and development projects.