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HS Code |
858655 |
| Iupac Name | 2-Bromo-1-[3-(3,4-dichlorophenyl)isoxazol-5-yl]ethan-1-one |
| Molecular Formula | C11H6BrCl2NO2 |
| Molecular Weight | 351.98 g/mol |
| Cas Number | 870281-84-2 |
| Appearance | Solid |
| Purity | Typically ≥98% |
| Solubility | Soluble in DMSO, moderate in ethanol |
| Storage Conditions | Store in a cool, dry place away from light |
| Synonyms | 5-(2-Bromo-2-oxoethyl)-3-(3,4-dichlorophenyl)isoxazole |
| Smiles | C1=CC(=C(C=C1Cl)Cl)C2=NOC(=C2)CC(=O)Br |
| Inchi | InChI=1S/C11H6BrCl2NO2/c12-6-11(16)10-7(5-15-17-10)8-2-1-3-9(14)4-8(8)13/h1-5H,6H2 |
| Hazard Statements | May cause irritation to skin, eyes, and respiratory tract |
As an accredited 2-Bromo-1-[3-(3,4-Dichlorophenyl)Isoxazol-5-Yl]Ethan-1-One factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The chemical is packaged in a 10g amber glass bottle, sealed with a screw cap, and labeled with product details, CAS, and hazard warnings. |
| Shipping | **Shipping Description:** 2-Bromo-1-[3-(3,4-dichlorophenyl)isoxazol-5-yl]ethan-1-one is shipped in sealed, chemical-resistant containers under ambient or refrigerated conditions as required. Proper labeling and documentation ensure compliance with transport regulations. The package includes safety data and precautions to prevent exposure to moisture, light, and extreme temperatures during transit. Handle with care. |
| Storage | Store 2-Bromo-1-[3-(3,4-dichlorophenyl)isoxazol-5-yl]ethan-1-one in a tightly closed container, in a cool, dry, and well-ventilated area. Protect from light, moisture, heat, and incompatible substances such as strong oxidizing or reducing agents. Handle under inert atmosphere if sensitive to air or humidity. Always keep out of reach of unauthorized personnel and label the container clearly. |
Applications of 2-Bromo-1-[3-(3,4-Dichlorophenyl)Isoxazol-5-Yl]Ethan-1-One in Industrial ManufacturingAs a dedicated manufacturer, we supply 2-Bromo-1-[3-(3,4-Dichlorophenyl)Isoxazol-5-Yl]Ethan-1-One to various specialized sectors. The following sections outline major industrial applications where this intermediate directly enters established production routes, compliant with relevant industry norms and adhering to real-world process requirements. 1. Active Pharmaceutical Ingredient (API) Synthesis: Isoxazole-based Drug IntermediatesThis compound functions as a critical building block in the synthesis of targeted isoxazole-class pharmaceutical actives. Process chemists leverage its reactivity to introduce specific halogenated groups onto molecular scaffolds, enabling the downstream construction of candidate APIs for anti-inflammatory and neuroactive therapeutic research. Process development focuses on reproducibility in yield and effective management of halogen exchange steps to meet the impurity control mandated by regulated markets. Industry compliance standards
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2. Functional Agrochemical Intermediate: Herbicide Active PrecursorThe material serves as a unique core intermediate for selective herbicide synthesis in the agrochemical industry. Its dichlorophenyl and isoxazole moieties enable formulation chemists to assemble advanced post-emergence weed control agents. Integration occurs under tightly-controlled conditions to mitigate exothermic risks and avoid cross-contamination, as the environmental impact of the end-use product is strictly regulated. Analytical verification ensures every batch conforms to residue and purity limits stipulated for agrichemical inputs. Industry compliance standards
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3. Fine Chemical Synthesis: Specialty Isoxazole DerivativesAdvanced chemical manufacturers rely on this compound for producing specialty isoxazole derivatives, fundamental in custom organic synthesis and materials science. The reactivity of the bromo and dichlorophenyl substituents supports subsequent cyclization, Suzuki, or Stille cross-coupling reactions, enabling access to complex molecular structures for evaluation in specialty polymer and performance material research. In-process controls and tailored solvent systems manage reaction by-products and maximize product isolation in line with fine chemical purity goals. Industry compliance standards
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4. Custom Material Science: Advanced Analytical ReagentsOur compound is requested by research-grade chemical and analytical reagent manufacturers for designing traceable isoxazole-based molecules. It supports the introduction of stable halogen isotopes or functional markers into calibrants, standards, and probes for trace-level environmental and biological monitoring applications. Routine synthesis enforces strict batch homogeneity metrics, controlled by validated analytical protocols, and ensures the output meets specialty market release criteria for purity and reactivity. Industry compliance standards
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Competitive 2-Bromo-1-[3-(3,4-Dichlorophenyl)Isoxazol-5-Yl]Ethan-1-One prices that fit your budget—flexible terms and customized quotes for every order.
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Working daily with chemicals like 2-Bromo-1-[3-(3,4-Dichlorophenyl)Isoxazol-5-Yl]Ethan-1-One, our team has gathered a great deal of practical insight into its properties and behavior. Years of hands-on synthesis and packaging show what makes this compound valuable for our clients in pharmaceutical and agrochemical research. Each batch reflects dozens of checkpoints, from the integrity of crude starting material to the careful monitoring of moisture and temperature through final crystallization.
Chemists often talk about molecules in abstract ways, but on our production lines, everything boils down to performance and predictability. The bromoethyl functional group adds a reactive site that enables further molecular modifications, which is essential for those working on custom pharmaceuticals or creating advanced agrochemical candidates. We’ve seen our clients utilize the bromo group to introduce a range of active chemical moieties, streamlining their synthesis steps.
Looking at the isoxazole core, the extra stability and electronic properties it provides can’t be ignored. The dichlorophenyl ring not only influences lipophilicity but often improves biological compatibility or fine-tunes the activity of target molecules. This combination yields a structure with both robustness and flexibility for medicinal chemistry applications.
Scaling up this compound’s synthesis is not a straightforward task. In our facility, controlling heat distribution at each stage has been critical. We learned early on that local temperature spikes tend to impact crystallinity, leading to purification headaches downstream. Over time, our process engineers tweaked stirring rates and solvent addition schedules, eliminating premature precipitation.
We use precision reactors to maintain the temperature range that keeps the isoxazole ring intact while allowing efficient bromination. Reactors need constant monitoring—our controls track every parameter. Any drift risks impurity formation, so our chemists routinely check reaction progress with in-process analysis, drawing on their own experience of which signals spell trouble.
After synthesis, our technical staff recognize that purity doesn’t just result from filtration and solvent washes. They combine hands-on judgment with analytical results to make sure each batch meets project needs. Our internal data supports this: batches prepared with stricter agitation control eliminated one persistent trace impurity that eluded routine detection at lower scales.
Trust grows from consistency and transparency, not grand promises. Each lot of 2-Bromo-1-[3-(3,4-Dichlorophenyl)Isoxazol-5-Yl]Ethan-1-One clears GC and HPLC analysis, checked for both identity and minor byproducts. Our QC team pulls samples at multiple stages—never just at the end.
We go beyond standard melting point checks. Spectral evaluation—especially NMR—gives our most experienced chemists a detailed fingerprint unique to the product. Small shoulder peaks can hint at residual solvents or structural isomers. In response, our purification process evolved to strip these even further, so labs downstream enjoy less interference during their own syntheses.
From a manufacturer’s view, consistency in particle size and moisture content reduces headaches for clients. Our dry room specialists work shoulder-to-shoulder with engineering to hit the sweet spot: dry enough for easy handling and stable bottle storage, but not so brittle that fines become a dust hazard. The resulting product pours evenly, packs efficiently and stores without clumping.
Clients talk to us about what they want to achieve with this molecule. Many projects involve medicinal chemistry, where subtle blends of hydrophobic and electron-withdrawing features like those in the dichlorophenyl isoxazole core help create valuable pharmacophores. Adding the bromoethyl group converts the scaffold into a molecular “handle” used to build libraries of candidate compounds.
On the agrochemical side, synthesis teams exploit the molecule’s unique blend of reactivity and stability to create intermediates for modern crop protection agents. Our product’s tight purity controls help these teams minimize downstream side reactions, keeping their processes efficient and cost-effective.
Researchers frequently mention the ease of derivatization as a major advantage. In-house, we have tested a variety of substitution reactions, and found that yields stay robust across several classic conditions. The isoxazole ring holds up well through common functional group interconversions, and the product persists cleanly in solution under standard laboratory solvents and conditions.
Handling specialty chemicals responsibly means tracking every gram, anticipating how they respond to storage, transit, and varying climates. We coat our packaging lines, not just for product stability, but also to protect against possible cross-contamination—especially since traces of halogenated intermediates can linger in less-experienced setups.
As regulations shift, we adjust storage needs to match current best practices. Clients often ask about shelf life. Our data, drawn from real stability trials rather than theoretical estimates, shows that product sealed under dry nitrogen stays within spec for over a year at room temperature, even through seasonal humidity swings.
Many products claim similar performance but differ in reliability. Some competitors produce versions with traces of unreacted dichlorobenzene or higher isomer content. These traces can disrupt end-use reaction profiles, clog columns, or require unplanned purification steps. We have invested in targeted chromatography and revised phase separation protocols so that our lots provide not just higher purity, but also a more predictable impurity profile batch-to-batch.
Solubility issues often trip up less-refined preparations. While alternative products accumulate insoluble materials after days of storage or shipping, our focused drying and packaging prevent agglomerates and maintain pourability. This reduces the all-too-common problem of large crystal formation during transit.
In practical use, our experience shows that derivatives made from our version consistently yield purer target molecules, translating to less downtime and fewer troubleshooting headaches for our end users. That’s not marketing spin—our technical support team has walked several clients through comparative side-by-side reactions using our batches and competitive samples, documenting real differences in chromatograms and isolated yields.
Requests occasionally come in for unique requirements: finely divided powder for micro-reactions, or extra-low water content for moisture-sensitive transformations. Our production floor responds by adjusting drying cycles and milled particle profiles to match. Years of fulfilling custom orders have made us flexible. Each special request passes through a collaborative review where production, QC, and customer support ensure no detail is missed.
We also maintain a portfolio of process tweaks for clients who need tailored product lots for pilot lines or early stage process development. Clients who want salt-free material or an alternate solvent residue profile know that we can test production techniques on demand, validating each tweak with a fresh QC review. Rather than simply delivering standard SKUs, our philosophy is to treat every order as an opportunity to collaborate.
One of the most overlooked parts of chemical supply chains comes after the product leaves our doors. Logistics specialists in our facility partner closely with shipping providers who appreciate temperature, shock, and humidity controls at every point. Our team developed validated packaging routines that shield against environmental swings—from summer on the wharf to dry winter air in inland customs depots.
Challenges during long journeys prompted our shift to moisture-barrier bottles and thick-walled containers. Our attention to packaging stems not just from regulatory necessity, but from field data showing that well-packaged lots retain quality through weeks of overland transit. We’ve tracked packaging failures at global partners and adopted several of their lessons. Our cartons arrive intact, with the product inside as free-flowing as when it left our blend tanks.
Completion of complex customs paperwork and detailed transport documentation eliminates border clearance delays, reducing risk of temperature excursions. Clients tell us this minimization of unwanted variability helps keep their downstream projects on schedule.
The best route to a reliable chemical product comes from direct feedback, not imagination. Production teams respond to feedback loops from clients who notice slight differences in powder flow or residue during opening. We debug problems in the lab, escalate findings to production planners, and tweak our approach if we notice trends—be it unexpected clumping, issues with dust generation, or changes in dissolution profiles.
Site audits by partner organizations have helped us refine our batch tracking systems, improve operator training, and document every process step in detail. Staff at every level contribute ideas; some process improvements trace back to frontline operators who spotted handling inefficiencies or discovered how a minor change improved yield purity.
Over the years, we realized that no process remains static. We constantly reevaluate if upstream reagents remain optimal, if solvent efficiency can be improved, or if emerging analytical methods will sharpen our batch release criteria. Face-to-face time with chemists and researchers downstream gives us pragmatic ideas that rarely surface in conference rooms: how the product actually dissolves, reacts, or exposes users to skin contact. These practical lessons flow back into our day-to-day practices.
Quality in chemical manufacturing doesn’t come from paperwork or statistical averages. End users rely on products that reduce risk and uncertainty. Nothing frustrates a project more than discovering mid-synthesis that performance varies between batches. We designed our system to catch these differences early. Our product lots track both narrow analytical targets and practical measures like flow rate and residual solvent profile, matched to real feedback from research chemists.
Choices during synthesis, purification, and packaging cascade into every subsequent use. Overly dry batches, as we’ve learned, create static charge problems for automated dispensers. Insufficiently dry batches drive up storage maintenance costs. We log these cases, update procedures, and share lessons internally.
Nobody wants to learn from busted timelines because of off-spec materials. By targeting the proven “sweet spots” in each parameter—moisture, melting point, solubility—we strive to minimize variables for everyone else in the chemical value chain.
Industry needs shift every year. Projects become more sophisticated, regulatory requirements ratchet up, and clients develop new methods that put older product versions to the test. We regularly run pilot projects for new use cases, inviting partner researchers to join trials or beta-tests.
Sustainability considerations have guided some of this evolution. New solvent recycling systems help us cut environmental impact. We’re also investing in waste reduction programs, which feed back into cost stability and help clients with sustainability reporting.
As digitalization moves further into production, our operators and chemists leverage real-time data to spot trends before they become problems. Modern instrumentation keeps us agile: if an impurity curve shifts or particle size distribution starts to widen, we intervene early. The goal is fewer surprises for all stakeholders.
What keeps our clients returning isn’t marketing—it’s the reliability built into every drum, bottle, and package leaving our plant. People in our team care about how each chemical behaves once it arrives on a lab bench across the globe. We don’t see production as just “making chemicals,” but as a partnership with the scientists who move their projects forward using materials we know inside and out.
In a competitive market, we’ve learned that specialized additives, batch-to-batch reproducibility, and human attention all play in delivering real value. The lessons we internalize from every synthesis, every bottling run, and every feedback call drive us to keep making our product even better. Over decades, that daily discipline shapes a difference impossible to fake and tough for others to match.
Whether designing an experimental drug, building the next generation of crop protection chemicals, or developing a process from scratch, projects rest on the certainty of raw materials. Long experience with 2-Bromo-1-[3-(3,4-Dichlorophenyl)Isoxazol-5-Yl]Ethan-1-One proves that getting reproducible quality, lot after lot, keeps project risks under control.
Every bottle represents thousands of hours of manual and automated effort, much of it spent revisiting the basics: sourcing sound starting reagents, tracking reaction variables, checking moisture, tuning drying parameters, validating analytical procedures, tightening packaging, and documenting each step. Our goal remains simple: supply chemicals that let you focus on the science, not on troubleshooting your supply chain.
From the production floor to your bench top, our product reflects the discipline, experience, and commitment of people who build their reputation batch by batch. That’s the advantage of a manufacturer who works with chemists, not just for them.