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HS Code |
102150 |
| Chemical Name | Ethyl 2-Bromothiazole-5-Carboxylate |
| Molecular Formula | C6H6BrNO2S |
| Molecular Weight | 236.09 g/mol |
| Cas Number | 298684-35-6 |
| Appearance | Pale yellow to brown solid |
| Purity | Typically ≥ 97% |
| Melting Point | 50-54 °C |
| Solubility | Soluble in organic solvents (e.g., DMSO, ethanol) |
| Smiles | CCOC(=O)c1cnc(s1)Br |
| Inchi | InChI=1S/C6H6BrNO2S/c1-2-10-6(9)4-3-8-5(7)11-4/h3H,2H2,1H3 |
| Storage Conditions | Store at 2-8°C, protected from light and moisture |
As an accredited Ethyl 2-Bromothiazole-5-Carboxylate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Brown glass bottle labeled "Ethyl 2-Bromothiazole-5-Carboxylate, 10g," with hazard symbols, lot number, and supplier details. |
| Shipping | Ethyl 2-Bromothiazole-5-Carboxylate is shipped in tightly sealed, chemical-resistant containers to prevent leaks and contamination. It is handled as a hazardous material, following all relevant safety regulations, typically shipped under ambient temperature with appropriate labeling and documentation to ensure safe and compliant transport to research laboratories or industrial facilities. |
| Storage | Ethyl 2-Bromothiazole-5-Carboxylate should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from sources of ignition, moisture, and incompatible substances such as strong oxidizing agents. Protect from light and avoid prolonged exposure to air. Store at room temperature or as specified on the manufacturer's label, following standard chemical safety protocols. |
Applications of Ethyl 2-Bromothiazole-5-Carboxylate in Industrial ManufacturingAs a critical heterocyclic intermediate, Ethyl 2-Bromothiazole-5-Carboxylate serves downstream manufacturers operating within highly specialized sectors. We consistently supply this raw material to customers integrating it into advanced chemical synthesis workflows, with proven results in the following application areas. 1. Pharmaceutical Intermediate Synthesis for Antibacterial AgentsEthyl 2-Bromothiazole-5-Carboxylate is routinely incorporated into the multi-step synthesis of thiazole-based antibacterial APIs. Manufacturers use its bromo-functionalized thiazole ring structure as a core building block for further chemical modifications, particularly during the assembly of drug molecules targeting Gram-positive and Gram-negative bacteria. Its introduction at the early stage of active pharmaceutical ingredient (API) construction allows reliable thiazole ring-forming reactions, functionalization, and subsequent derivatization steps in GMP-compliant facilities. Industry compliance standards
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2. Agrochemical Active Ingredient ManufacturingKey agrochemical formulation plants use Ethyl 2-Bromothiazole-5-Carboxylate as a vital heterocyclic scaffold during the design and scaling-up of herbicide and fungicide actives. Its electron-withdrawing bromo substituent enables downstream chlorination or methylation, facilitating the emergence of high-affinity structures that disrupt plant or fungal enzyme targets. Bulk production involves strategic integration into core-building synthesis platforms for selective crop protection chemicals. Industry compliance standards
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3. Synthesis of Specialty Dyes and PigmentsProducers of high-performance dyes employ Ethyl 2-Bromothiazole-5-Carboxylate to introduce thiazole chromophores into custom pigment molecules designed for precise color fastness and stability. It supports nucleophilic aromatic substitution and diazo-coupling techniques, allowing color chemists to optimize hue, solubility, and resistance properties for demanding dye applications. Industry compliance standards
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4. Advanced Organic Electronics & Photonic MaterialsChemical engineers in organic electronics select Ethyl 2-Bromothiazole-5-Carboxylate for its suitability as a precursor in the construction of conjugated oligomer and polymer backbones. It enables precision placement of thiazole units during ladder polymer synthesis, critical for tuning carrier transport and optoelectronic properties. This application leverages the reactivity of the bromo group for targeted cross-coupling or Stille-type polycondensation. Industry compliance standards
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5. Chemical Reference Standards in Analytical LaboratoriesEthyl 2-Bromothiazole-5-Carboxylate is selected by analytical labs as a certified chemical standard for the calibration and validation of chromatographic and spectroscopic methods. Laboratories depend on its purity and structure for establishing baseline profiles during quality control, method development, and trace impurity identification in thiazole chemistry analysis. Industry compliance standards
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Working on a chemical production line, every day brings its share of challenges and opportunities. Ethyl 2-Bromothiazole-5-Carboxylate stands as a specialty compound that we produce for research labs and industry partners with high standards and complex applications. Drawing on direct production know-how, I can say building quality into every batch starts long before raw materials reach the reactors. At our plant, our staff tracks every stage – from ensuring high-purity thiazole ring formation to fine-tuning bromination, to maintaining efficient esterification. This tight control means we rarely need to handle major deviations, and clients get the reliability expected from someone who actually manufactures – not resells – the product.
Fine chemicals like Ethyl 2-Bromothiazole-5-Carboxylate don’t stay in our warehouses long. Most buyers use this intermediate in developing pharmaceutical leads, fine-tuning agrochemicals, and innovating new materials. The bromo functional group, positioned on a thiazole core, fits key roles in cross-coupling reactions. Medicinal chemists and materials engineers count on the specific regiochemistry that comes out of our reactors. Over years of scale-up and troubleshooting, our staff has seen how the choice of ligand, reaction solvent, or even subtle purification tweaks can influence the final product’s usability.
One thing I hear from bench scientists is frustration with inconsistency: crystals from one lot need extended filtration, or trace side-products stall a reaction. We’ve addressed this by standardizing both our synthesis conditions and downstream QA steps. Each kilo comes with fingerprint-level detail, but the feedback we look for stays simple: did the reaction run as-designed? Did the final compound meet or exceed GC and NMR expectations? These results shape every improvement we make, and this attention separates genuine manufacturers from speculative stockists.
Lab supply catalogs fill pages with options for substituted thiazoles. Yet, many buyers quickly spot differences between a compound prepared to order, and one repackaged from unknown sources. We synthesize Ethyl 2-Bromothiazole-5-Carboxylate batch by batch. Each run carries a unique lot number, so every client can connect their results back to actual operators and documented steps. We know the smell of the reaction at endpoint, the color haze that hints at early-stage impurities, and we have the logbooks to track improvements.
Some competitors offer the same structure as technical grade, supplying it for flavor and fragrance synthesis, but whenever possible, we minimize odorous impurities and color bodies that interfere in downstream steps. Our specification isn’t an afterthought; it’s shaped by repeat users who care about reaction kinetics, crystallinity, and ease of purification. Not all producers bother to keep water content and residual solvents tightly controlled, but we tighten those tolerances based on on-the-ground issues researchers have encountered. When a customer shares a chromatography trace full of mysterious peaks, we dig into the root cause—not just the certificate.
Ethyl 2-Bromothiazole-5-Carboxylate isn’t our sole focus, but making it well teaches lessons that inform our whole shop. The bromo position on the thiazole ring requires careful monitoring; strong heat, the wrong catalyst, or uncontrolled solvent volumes can skew the isomer ratio. Over time, we found that small changes in agitation and the order of addition shift the impurity profile. By tracking every parameter—temperature ramps, dosing intervals, and post-reaction aging—we stabilize yields and keep quality high. Most outside traders never see the subtle lemon-yellow tint of an ideal product; most only see a powder once shipped. Factory staff, on the other hand, draw on repetition and experience, reducing batch-to-batch variability through lived practice, not just analytics.
From a practical standpoint, ease of filtration and the ability to avoid sticky residues or problematic emulsions have as much to do with operator satisfaction as bulk purity or listed chemical grade. Scalability matters, too. Some researchers start with ten grams for method development, but when the demand grows, rapid scale-up is possible only when the manufacturing workflow is consistent and robust. Adjusting on the fly, modifying ratios, or running at higher pressures – these are day-to-day realities that only actual producers sweat over.
Buyers rarely get a glance at what happens inside the plant, but every reliable supply chain depends on steady operators and real-time adjustment. We’ve had years where raw material prices spike or a preferred supplier goes offline. Rather than pass those burdens downstream, we develop alternative sourcing and secondary purification streams so that specifications stay tight. No automated system catches the texture of a wet cake or the smell after acetone wash; only the team that handles actual intermediates stands between a single failed reaction and months of research delays.
Feedback rarely comes as praise; instead, we hear when an unexpected spot shows up on a TLC plate or a product fails LCMS or HRMS after arriving at a lab. Every time, that note means a careful review of logs, reviewing chromatography data, pulling reserve samples, and if needed, making a replacement batch at our expense. That approach comes from a respect for the work our clients do, understanding that their research cannot wait for the slow machinery of large resellers, and that the on-the-ground chemist wants a partner who knows both production and troubleshooting.
It’s tempting to treat any thiazole derivative or brominated ester as interchangeable, but after many years at the production bench, this has never played out in real workflows. Subtle changes—an altered alkyl group, bromination at the wrong carbon, or small changes in side chains—shift melting points, solubility, and reactivity. Each batch of Ethyl 2-Bromothiazole-5-Carboxylate brings its own fingerprint, and clients working on cross-coupling or selective alkylation reactions see the effects firsthand. For example, methyl esters often show more volatility, but customers working in polar solvents sometimes find better performance from our ethyl ester version.
Some labs try the lower-cost, higher volume analogs supplied as technical grade. Once researchers see broad, smeary NMR peaks or wrangle with tricky purification steps, they opt for a product with a cleaner spectral trace and fewer isomer impurities. Our experience synthesizing both ethyl and methyl variants, along with other halogenated thiazoles, underscores that no two molecules act exactly the same during work-up. The ethyl group helps balance both reactivity and ease of downstream hydrolysis, while the bromo substituent sits at a position favored for further cross-coupling, as opposed to the 4-position where side reactions and reduction tend to spike.
Real-world partnerships develop over time, based on a cycle of feedback and mutual improvement. In the early days, we fielded simple requests: a chemist ordered a few grams for a single synthesis run. Over the course of months, that turned into frequent, standing orders for batch production, driven by the needs of researchers scaling new routes or working with complex heterocyclic scaffolds. Each project reveals a fresh set of parameters to watch, from refining column loads to adjusting drying cycles for less retentive solvents.
The most productive conversations grow out of troubleshooting calls. A shipment lands and the recipient reports lower than expected yields or persistent side-products. We retest, check impurity profiles, and often propose process changes for upcoming lots. It’s not just about tightening specs; it’s about supporting the people designing new molecules, who sometimes need a different crystalline habit or finer particle cut. We swap tips on best storage and handling practices, share notes on minimizing moisture uptake, and update our SOPs so that the next batch builds on past lessons.
Making a specialty chemical isn’t about a single breakthrough process or flashy certificates—it hinges on reliability. Over the last decade, synthetic routes to thiazole derivatives have evolved, but demand for clean, easily handled Ethyl 2-Bromothiazole-5-Carboxylate stays steady. While cutting-edge equipment and modern in-process controls help, the weight falls on well-trained operators who understand process behavior and anticipate likely issues. We learned early that quick adjustments—changing a filter medium, extending a drying step, or modifying quench conditions—result from direct experience, not speculation.
Few buyers ever tour a chemical plant, but every time you order a new lot, there’s a person responsible for the outcome. Many of our operators have grown into their roles over years spent working with halogenated heterocycles and functional esters. That experience shows up in the way we monitor every phase, from staged solvent exchanges to slow temperature ramps at key transition points. Samples are checked against established in-house references, and we keep enough reserve stock on hand to quickly address shortages or scramble for new deliveries when urgent needs arise.
Daily practice at our shop takes safety and traceability from buzzwords to concrete actions. Handling intermediates with bromo and ester functionalities calls for solid safety training and clear operating procedures. That means strict adherence to air handling protocols, protective gear, and redundancy in monitoring volatile emissions. Each batch has full traceability, with logs kept on temperature, pressure, solvent usage, and cleaning cycles. When an issue arises with a lot produced months prior, our team can audit the process and pinpoint root causes.
One common misconception: tight supply chains can cut corners or take shortcuts with substitutions. We have seen the fallout from resellers who repackage unlabeled powders or skip steps. Clients come to us after experiencing a failed synthesis or a contamination issue, and the difference becomes clear upon reviewing our paperwork and change controls. Traceability begins at receipt of starting materials, and we don’t farm out sensitive steps or split the workflow across facilities. Every lot is traceable, defensible, and tied to trained staff who know what each step means in real terms.
Chemistry evolves. Over the years, changes in regulation, solvents, and allowable waste streams reshaped how we produce Ethyl 2-Bromothiazole-5-Carboxylate. Working closely with environmental auditors and fielding feedback from users embracing green chemistry, we continue to test alternative solvents and phase out legacy methods. Often, updated guidance means shifting from one halogen source to another, increasing reliance on closed systems, or investing in higher-grade filtration. These moves stem from necessity, as environmental and quality requirements only get stricter.
Staying ahead of regulation calls for more than compliance. Most of our changes come in anticipation of near-future rules or early signals from the market. If feedback indicates a preference for solvent-free purification, or for minimizing halide residues, we work quickly to roll those lessons into practice. It doesn’t just protect the plant from regulatory audits. Upstream improvements save downstream clients time on their own re-qualification cycles and help avoid late-stage surprises during regulatory review.
Nobody in manufacturing expects a straight path. Weather, logistics blockages, and global disruptions affect even stable products like Ethyl 2-Bromothiazole-5-Carboxylate. Building buffer stocks and qualifying multiple raw material sources takes time, but these steps prevent stockouts and protect client timelines. From the floor manager to the lab chemist, everyone plans for the inevitable hiccup—a shipment delayed at customs, a filter supplier switching grades, an unplanned stop in utilities. Each challenge teaches lessons that find their way back into SOPs or revised spec sheets.
Continuous improvement means more than updating instrument calibration or investing in new reactors. It happens in the hundred small changes—the better angle on a centrifuge blade, the smarter packing of a drum, the feedback from a user who found faster dissolution rates after we switched crystals from plates to needles. All of those details add up for clients who trust that their projects can run on time and on spec.
Ethyl 2-Bromothiazole-5-Carboxylate isn’t just another line on a chemical menu. Experience at the reactor bench has taught us that close attention to detail shapes quality, usability, and consistency more than any product catalog or glossy certificate. From the day we source starting materials to the moment a sealed drum leaves our loading dock, everything about our process aims at reliability and practical support for scientists and engineers. We don’t trade or re-package; we produce, improve, and stand behind what we make. Users who care about getting results from the first run—whether scaling a new molecule or optimizing an established process—see the difference in every batch we supply.