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Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate

    • Product Name Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate
    • Alias ethyl 3,5-dimethyl-2-pyrrolecarboxylate
    • Einecs 405-010-1
    • 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
    VTB
    Specifications

    HS Code

    422136

    Chemical Name Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate
    Molecular Formula C9H13NO2
    Molecular Weight 167.21 g/mol
    Cas Number 109357-15-7
    Appearance Colorless to pale yellow liquid
    Boiling Point 287.1 °C at 760 mmHg
    Density 1.09 g/cm³ (approximate)
    Solubility Soluble in most organic solvents
    Purity Typically ≥ 97%
    Flash Point 128.6 °C
    Refractive Index 1.502

    As an accredited Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 25-gram amber glass bottle with a secure screw cap, labeled "Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate, 98% purity, for research use."
    Shipping Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate is shipped in tightly sealed containers, protected from light and moisture. It should be handled in accordance with standard chemical safety protocols. The package includes labeling for chemical identification and hazard information, and is typically delivered via ground or air, in compliance with relevant regulations for laboratory chemicals.
    Storage Store Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and direct sunlight. Keep it separate from incompatible substances such as strong oxidizing agents and acids. Ensure the container is clearly labeled, and avoid prolonged exposure to air and moisture. Use appropriate protective measures during handling.
    Application of Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate

    Applications of Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate in Industrial Manufacturing

    Our Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate serves as a specialized intermediate in targeted downstream production sectors. The following scenarios outline its dedicated integration in industrial processes, with clarity on regulatory compliance, recommended formulation ratios, inclusion points within manufacturing sequences, and types of finished products by direct customers.

    1. Pharmaceutical Intermediate Synthesis—Antifungal Drug APIs

    Top pharmaceutical manufacturers incorporate this pyrrole derivative in multi-step API synthesis, specifically for active compounds in azole-based antifungal agents. Chemists utilize its reactivity for constructing nitrogen-containing heterocyclic structures essential in clinical active substances, ensuring process repeatability and batch-to-batch quality.

    Industry compliance standards

    • ICH Q7 cGMP for Active Pharmaceutical Ingredients
    • Pharmacopoeia monographs (USP, EP) for final API verification
    • European Medicines Agency (EMA) impurity and genotoxicity guidelines
    • 21 CFR Part 211 US FDA Good Manufacturing Practice

    Typical usage ratio

    • 0.8–2.5 molar equivalents per API target batch; ratio depends on route selection and coupling efficiency, adjusted following pilot reaction data and quality by design (QbD) feedback

    Downstream process integration

    • Stepwise introduction during aromatic pyrrole coupling and heterocyclic core assembly (2nd to 4th synthesis step), followed by purification (recrystallization, chromatography), and chemical transformation to yield advanced intermediates

    Final product types

    • Itraconazole, Posaconazole, and other triazole antifungal bulk active pharmaceutical ingredients (APIs)

    2. High-Performance Fluorescent Dye Manufacturing

    Makers of specialty fluorescent dyes employ this compound as a critical building block to generate extended pyrrole-based chromophores, enabling the development of dyes for advanced imaging, biosensor, and light-filtering applications. Synthetic chemists require high purity and strict impurity control to achieve reproducible spectral characteristics.

    Industry compliance standards

    • REACH (EC) No 1907/2006 compliance for European chemical registration
    • ISO 9001:2015 Quality Management Systems
    • DIN EN 71-3 (Safety of Toys, migration of elements) for dyes intended for educational kits
    • Raw material specification review for biomedical analytic use (internal QC protocols)

    Typical usage ratio

    • 5–12% w/w in final chromophore precursor charge, modified depending on desired absorption/emission maxima and targeted dye yield

    Downstream process integration

    • Condensation as initial monomer, followed by palladium-catalyzed coupling and cyclization, purification via column chromatography, and subsequent conjugation on PEG or other linker molecules

    Final product types

    • Pyrrole-derived fluorescent probes (e.g., BODIPY analogs)
    • Diagnostic reagent dyes for biological imaging
    • Fluorescent inks for security and anti-counterfeiting

    3. Agrochemical Synthesis—Plant Protection Active Ingredients

    Agrochemical formulation specialists utilize Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate as a core intermediate in the synthesis of specific pyrrole-substituted pesticides and plant growth regulators. Its controlled reactivity and low residual profiles suit crop-protection actives, meeting strict limits on environmental impact and operator exposure.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 17025 laboratory accreditation for raw material analysis
    • UN GHS classification and labelling for transport and hazard communication
    • Directive 91/414/EEC (EU) for pesticide active substance approval

    Typical usage ratio

    • 1.2–3.0% w/w in technical concentrate preparation for downstream coupling; fine-tuned based on target formulation yields and impurity carryover studies

    Downstream process integration

    • Introduced at precursor stage before functional group derivatization, followed by granulation or microencapsulation to achieve correct release profile in field application

    Final product types

    • Pyrrole-based fungicide and herbicide actives (e.g., fludioxonil analogs)
    • Plant growth regulators with pyrrole ring modifications

    4. Advanced Heterocycle Materials for OLED and Electronic Devices

    Electronic materials producers rely on this pyrrole ester as a precursor for finely tuned heterocyclic frameworks in organic light-emitting diode (OLED) materials and charge-transport components. The molecular design incorporates this intermediate early to establish desired optoelectronic properties and stability benchmarks for device fabrication.

    Industry compliance standards

    • RoHS 2011/65/EU for restriction of hazardous substances in electronics
    • IPC-4101E for base materials in printed circuitry
    • SEMATECH guidelines for organic material purity in semiconductor production
    • ISO 14001 for environmental management in specialty chemical facilities

    Typical usage ratio

    • 0.3–1.1 molar equivalents in polymerization feeds for OLED layer precursors; adjusted via structure-activity optimization data from R&D

    Downstream process integration

    • Monomer introduction during oxidative polymerization and cross-coupling steps, followed by molecular weight adjustment and film-casting preparation for solution-processed device layers

    Final product types

    • OLED emitting layers for display and lighting panels
    • Conductive polymer films for touch sensors and flexible electronics
    Free Quote

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    Certification & Compliance
    More Introduction

    Ethyl 3,5-Dimethyl-1H-Pyrrole-2-Carboxylate: Bringing Precision to Specialty Synthesis

    Real-World Chemistry and Purposeful Manufacturing

    Ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate has a loyal following among chemists who care about purity and reliable handling, two features that mean as much to us in the plant as they do to anyone in the lab. We chose to focus on this molecule because we saw fellow researchers struggling to source well-characterized intermediates that keep up with modern needs—especially for medicinal and agrochemical applications. Every gram we ship starts with careful attention to the quality of our starting materials, with strict handling and monitoring for process variations. Our approach avoids the easy shortcuts that traders sometimes take, like blending across batches or stretching tolerance ranges. We track the formation of each batch, note the color, keep an eye on solvent use, and insist on clear, unambiguous documentation of its spectral signature. This level of attention gives specialists in both small companies and large organizations the confidence that the synthetic step depending on this pyrrole derivative performs as planned.

    Not Just a Number: Our Model Focus and Specifications

    We've committed to a model variant of ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate with controlled impurity profiles after seeing how trace contaminants can complicate downstream chemistry. Our material typically registers GC purity over 99 percent, and we routinely check for common organic byproducts, such as residual esters and methylated byproducts, that can interfere with sensitive transformations. We’ve made a conscious choice to keep water content and solvent residues low—below 0.5 percent—based on feedback from teams that use this building block in N-alkylation, cyclization, and push-pull electronic systems. For customers running scale-up batches or stepping through route scouting, consistent melting points matter, so we invest in temperature calibration and report our results with each lot. Shipment stability guides our packaging: dark glass, no-reactive seals, and careful control of atmospheres that limit exposure to ambient moisture and oxygen.

    What Sets This Pyrrole Apart

    Compared to other pyrrole derivatives, ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate consistently stands out for several reasons beyond just functional group placement. Those methyls in the 3- and 5-positions don’t just tweak electronic properties; they also improve handling by reducing the sort of polymerization and degradation that plague less stable pyrrole compounds. Chemists working on heterocyclic scaffolds quickly see that this structure stays manageable through extended bench procedures. The ethyl ester group gives a level of predictable reactivity that fits snugly into both hydrolysis and coupling steps—especially useful when synthesizing analogs of pharmaceutical interest or exploring new fungicides. We often hear from research partners who previously used other pyrrole-2-carboxylates that this variant gave cleaner conversions and improved recovery rates, significantly cutting down on purification headaches.

    Trusted by Practice, Not Just on Paper

    Tight control in manufacturing has taught us a lot about what actually helps a compound move effectively through R&D and into production campaigns. Take the common question about reactivity—some theorize that ester position or pyrrole ring substitution shouldn’t affect yield, but our real-world data says otherwise. Over years of following up with clients after their reactions, we noticed that batches derived from freshly prepared, impurity-controlled ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate pushed yields up by an average of 3–5 percent during Suzuki couplings, compared with standard-grade competitors. In catalysis and process development labs, small differences snowball. We’ve seen a sharp drop in side-product formation in both classical and modern metal-catalyzed routes when partners switch from generic sources to our highly-characterized product.

    Some have told us about order delays when switching distributors, or inconsistent physical forms showing up from brokers—one time it's a sticky oil, next time it's a dry powder. Ours comes out the same in every bottle: a crystalline solid, easily weighed, easy to transfer, and quick to dissolve in all standard organic solvents. That’s not an accident—the result comes down to our technique, controlling solvent evaporation rates, and gentle drying under monitored conditions. We learned early that if you want repeatable performance in the hands of demanding users, you can’t cut corners or rely on what’s “mostly fine.” Predictability in the real world isn’t something you luck into as a manufacturer; it’s built up over cycles of small, careful improvements.

    The Path from Plant to User: Direct Line, No Intermediaries

    Something many buyers overlook when picking pyrrole derivatives is how many hands each lot passes through. Each step—trader, repackager, consolidator—can add variables, introduce trace contaminants, or even mislabel critical data about batch history and origin. We produce, test, and pack everything on the same site. If you call us with a question about a batch, we can point directly to its synthesis record, log the time point when NMR confirmation happened, and give you a direct contact with the chemist or QC analyst who oversaw its release. This level of accountability means customers don’t get vague references or script-read assurances; responses are practical and rooted in our own daily experience. It gives process chemists the clarity to troubleshoot quickly and focus on innovation, not unraveling the mystery of an off-spec supply.

    Learning from Industry Feedback: Why Specification Depth Matters

    Our customers in oligonucleotide synthesis, advanced materials, and library development all have different needs, but the common ground is always reliability and traceability. In pharmaceutical labs, one off-reaction can throw off a two-week sequence, especially when screening new drug leads. Agrochemical teams want batch-to-batch sameness to avoid retesting toxicity or efficacy each time a new intermediate arrives. This is where our depth of data helps more than the usual “meets minimum spec” approach you might see elsewhere. We record everything from spectral fingerprints (NMR, IR, GC-MS) down to subtle observations—like slight odor differences that can flag an out-of-spec impurity long before formal numbers catch it. That sort of hands-on, eyes-open practice pays dividends when R&D cycles hinge on uninterrupted supply.

    Scaling up synthesis always brings challenges, especially with heterocycles prone to side reactions or ring opening under harsh conditions. Having direct manufacturer support makes it easier for application teams to optimize conditions. We’ve provided custom-grade ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate to scale-up partners, tweaking crystallization procedures and solvent choices together in real time. That early collaboration saves months—and often unmasks process variations that would otherwise only show up as unexplained losses during pilot runs. Researchers have told us that access to direct, hands-on experience from the production side made a bigger impact than a stack of certificates or standard compliance notes.

    Practical Considerations in the Lab and Plant

    One of the most immediate gains with our product comes during transfer and handling. Pyrrole derivatives with low purity or high moisture often clump or cake in the weighing bottle, wasting product and creating inconsistent dosing. Our approach—gentle drying, anti-static packaging, and shipment in solid form—gives your team a reproducible workflow. Loading into microreactors or preparing parallel runs for high-throughput screening stays quick and predictable. We ship with an up-to-date analysis, so process chemists spot any small deviations before a single gram enters the reaction vessel. That transparency builds trust; our users know we stand behind what we produce.

    Odor is another overlooked signpost for pyrrole quality. Fresh, high-grade ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate has a mild, almost faint scent. If an order arrives with strong, musty, or resinous tones, it signals uncontrolled aging or impurities—a warning flag that we treat seriously in our own process controls. Every lot label traces back to internal records that stay open to inspection. Instead of vague references to “trace components,” we specify what we look for, when, and how we document deviations. Our in-house GC and NMR resources run as part of lot release, not occasionally for show. That gives R&D and production teams the confidence that success in trial runs will translate into larger campaigns with no hidden surprises.

    Experience with Customization and Problem-Solving

    Some synthetic challenges push the envelope of what’s considered routine. Over the years, we’ve partnered with innovators needing adaptation of this molecule for very specialized environments—think microfluidic devices, sensor matrices, or catalysts with narrow tolerance for residual solvents. Our in-house capabilities let us process small, unique batches with modified purification steps or alternative solvents, often tuning particle size or removing potential interfering residues at the customer’s request. These hands-on experiences reinforce what we’ve learned from decades in fine chemical production: meeting project goals means more than filling an order. The relationship between manufacturer and chemist allows us to share insight, interpret performance differences, and respond quickly when the unexpected crops up.

    For those working at the edge of what’s currently possible in heterocycle chemistry, knowing your intermediate won’t throw a wrench in the reaction or necessitate time-consuming post-treatment steps makes a real difference—not just in saved time, but in unlocking new experimental routes and allowing for creative leaps. Some of our most interesting collaborations have developed from seemingly “routine” requests that opened the door to unexpected applications—like bio-sensing polymers, photovoltaic materials, and intricate dye architectures.

    Why Manufacturers Matter in the Supply Chain

    Working directly with a chemical maker, rather than with layers of brokers or specialty distributors, gives end users visibility into not just product history, but also responsiveness to changing needs. We don’t “hold stock” in the generic sense—we schedule syntheses in line with current demand and emerging trends. That close tie to actual research and manufacturing cycles means we can anticipate supply swings, communicate proactively, and help avoid shortages that too often disrupt critical projects. It also gives us the leverage to step up QC protocols or adapt packaging methods as applications evolve. Research organizations gain an edge from having a manufacturer that evolves alongside them, rather than one stuck working from spreadsheets several steps removed from the customer’s lab bench.

    Each lot of ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate we prepare stands as proof of what direct sourcing can bring in terms of reliability and tailored support. In contrast to large multinational suppliers, where personal connection to a batch or request evaporates, our team knows every customer project by its process needs, stage, and lab context. We routinely integrate feedback, follow up for insights, and adapt practices based on how the product truly performs outside factory gates.

    Lessons from Real Synthesis and Industry Trends

    Manufacturing specialty heterocycles often stands or falls on minute details—a slightly off solvent ratio, a subtle pressure drift, or an overlooked impurity source. We invest in team-wide training on best practices, reinforcing with daily oversight that keeps quality at the center. Our chemists track not only batch yields, but also the nuances of form, flow, and user experience, learning from every complaint or process improvement request that crosses our desk. That commitment brings resilience to disruptions, whether triggered by supply chain hiccups or tightening regulations on hazardous substances in pyrrole chemistry.

    As biotech and materials science push ever further into novel functional molecules, we recognize that intermediate compounds like ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate need to offer more than just structural correctness. They form stepping stones to future therapies, next-generation pesticides, or breakthrough devices—applications where average isn’t enough. Our investment in continual improvement doesn’t just benefit our balance sheet; it raises the bar for everyone who needs their chemistry to deliver results the first time. That’s what keeps us focused on end-to-end performance, from the raw material receiving dock to the user’s final flask or reactor.

    A Shared Commitment to Safe, Effective Chemistry

    We remain committed to transparency, quality, and the ongoing partnership that real-world chemistry requires. Users who rely on ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate for demanding protocols appreciate how much easier the job becomes with a stable, trusted supplier behind them. That bond—from our team to your bench—drives us to constantly refine, communicate clearly about results, and keep improving processes that support successful research and production. As regulations tighten and synthesis methods evolve, it’s the hands-on, eyes-open approach that gives users confidence in taking on the challenges ahead, whether scaling to new heights or exploring the boundaries of modern chemistry.

    Ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate keeps drawing attention in the world of functional heterocycles because production fundamentals have never mattered more. Every successful application begins with raw materials prepared, scrutinized, and understood by those who make them, not just those who move them through supply chains. By working shoulder to shoulder with chemists at every level, we help turn promise into progress—one synthesis at a time.