Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate

    • Product Name: Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate
    • Chemical Name (IUPAC): Isobutyl 5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3-carboxylate
    • CAS No.: 123547-87-1
    • Chemical Formula: C20H22N2O7
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    255466

    Iupac Name Isobutyl 1,4-dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate
    Molecular Formula C21H24N2O6
    Molecular Weight 400.43 g/mol
    Appearance Solid (typically crystalline or powder)
    Solubility Soluble in organic solvents such as DMSO and methanol
    Cas Number Unavailable (no unique CAS found for this exact compound)
    Purity Typically >95% (dependent on supplier)
    Boiling Point Decomposes before boiling
    Storage Conditions Store in a cool, dry place; protect from light
    Structural Features Contains pyridine ring, ester groups, nitroarene, and isobutyl substituent
    Logp Estimated 3.5-4.5
    Applications Intermediate in organic synthesis, research compound

    As an accredited Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is packaged in an amber glass bottle, labeled, tightly sealed, containing 25 grams, with hazard and safety information clearly displayed.
    Container Loading (20′ FCL) Container loading (20′ FCL) for Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate: 10–12 metric tons, securely packed.
    Shipping The chemical **Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate** is shipped in tightly sealed containers, protected from moisture and light. It is transported according to chemical safety regulations, with appropriate hazard labels and documentation. Shipping is typically via ground or air, ensuring compliance with relevant chemical transport guidelines.
    Storage Store **Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate** in a tightly sealed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Protect from light and moisture. Ensure storage is in accordance with regulatory guidelines and label instructions. Use secondary containment to minimize risk of spills or leaks.
    Shelf Life Shelf life of **Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate**: Stable for 2 years if stored cool, dry, and protected from light.
    Application of Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate

    Purity 98%: Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate with Purity 98% is used in pharmaceutical intermediate synthesis, where it ensures high yield and minimal impurities.

    Melting Point 124°C: Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate with Melting Point 124°C is used in solid formulation processing, where it provides consistent thermal behavior and processing efficiency.

    Molecular Weight 396.4 g/mol: Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate with Molecular Weight 396.4 g/mol is used in analytical standard preparation, where it offers precise quantification and reliable calibration.

    Particle Size < 10 μm: Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate with Particle Size < 10 μm is used in tablet manufacturing, where it enhances uniform dispersion and compressibility.

    Stability Temperature up to 90°C: Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate with Stability Temperature up to 90°C is used in storage for bulk chemicals, where it maintains structural integrity and prevents degradation.

    Viscosity Grade Low: Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate with Viscosity Grade Low is used in solution-phase reactions, where it enables rapid mixing and reaction uniformity.

    Moisture Content < 0.5%: Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate with Moisture Content < 0.5% is used in humidity-sensitive syntheses, where it reduces hydrolytic risk and enhances product quality.

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    Certification & Compliance
    More Introduction

    Introducing Isobutyl 1,4-Dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate: A Direct Manufacturer’s Perspective

    Experience in Every Batch: How We Approach Synthesis

    Working hands-on with Isobutyl 1,4-dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate in the plant setting gives us perspective that numbers on a data sheet can’t capture. From sourcing precursors with consistent purity, maintaining reaction temperatures within a tight band, and handling intermediates to avoid moieties that would interfere with downstream processability, each step leaves a mark on the final product’s reliability. Making this compound isn’t about running a standard protocol and filling orders – it’s about listening to the equipment, training operators to notice the smallest pressure drift or color shift, and never shortcutting on analytical confirmation. Many of our operators and QC chemists have followed this molecule’s development for years, and their know-how shapes every batch we release.

    Experience tells us material character and its real-world effect in a customer’s reactor come down to the details: trace impurity patterns, greasy residues, fine differences in solid form. We constantly refine our preparation of this pyridinecarboxylate not just for regulatory confidence, but because we know missed details on our end will echo right through to the customer’s end product. Our expertise is born not just from the bench but from repeated cycles of scale-up, troubleshooting, and responding directly to feedback from R&D and production teams who run this compound through their most crucial syntheses.

    Specifications Guided by Real Demands

    Many customers look for strict lot-to-lot consistency, whether they’re using this pyridinecarboxylate in intermediates for API syntheses, advanced materials, or fine chemicals. The structure – with its isobutyl ester, two methyl substitutions, a methoxycarbonyl group, and a para-linked 2-nitrophenyl ring – brings complexity that requires careful balance during synthesis and purification. We tune our final QC protocols to reflect the environment of actual use, not just abstract purities. Our chromatographic and spectroscopic records don’t just end up in files for regulatory review; they guide constant feedback into process improvement, allowing us to catch a steric change or contamination before it becomes a problem for you.

    Knowing this compound’s sensitivity to moisture and certain oxidants, we formulate every step of packing to avoid trace hydrolysis or degradation. In our experience, overlooked microlevels of water in isobutyl esters can reduce downstream conversion yields or complicate separation, so we take extra steps to maintain rigor during handling and storage. We control all aspects of batch release — from reaction endpoint checks to fine filtration and drum sealing — because we’ve seen firsthand how environmental evidence from transit or temporary storage can make a difference to usability. Our in-plant chemists perform these checks with full awareness that subtle defects here can affect performance in high-value chemical syntheses.

    Why Purpose Matters: The Discussion Beyond the Molecule

    Practically, we know our clients count on this intermediate for coupling reactions, cyclizations, and as a building block for more substituted pyridines or related N-heterocycles. Some run multi-hundred liter reactions, others craft new routes at bench scale. For both, control over starting material quality dictates everything downstream. We keep our specification real-world, not idealized, and have direct dialogue with technical teams for every order. Differences in reaction setup, solvent choice, or downstream transformations have guided our incremental modifications—the result is a product refined through real process requirements rather than a one-size-fits-all list of specs.

    Years of interaction with process chemists have taught us that not every batch will see the same use conditions or transformations. For some, thermal stability and slow decomposition upon heating matter most. For others, solubility in custom solvents and resistance to trace acids or bases are key. We see these needs in procurement inquiries or support tickets, and bring them back to R&D. For us, requests are more valuable than complaints, because they refine our “on the ground” perspective—our formulation team translates these requests into tweaks in process parameters and analytical controls.

    Setting Ourselves Apart

    Nearly every manufacturer claims control over purity and traceability. For us, the difference comes from walking our own lines and watching each step from actives to intermediates. We never rely on commodity feedstocks that can show hidden variance; our established partnerships with raw material suppliers combine documentation with real chemical tests. Our operators are the first to call out a shipment of precursor with unusual melt point or color, and our batch logs never treat operator notes as afterthoughts.

    Direct oversight means we spot differences that don’t show up in a calculated purity—whether a faint shift in UV trace, a sticky fraction in a distillation curve, or a slow-forming haze in a filtered broth. We talk to technical customers about their plant challenges and bring these stories back to our teams. We alter filtration steps, tweak chelation protocols, or re-confirm moisture pickup after transport. These are the hands-on, responsive actions that separate a real manufacturer from product traders who move containers without knowing what happened between order and shipment.

    Model Variants Informed by Customer Input

    We offer batches of Isobutyl 1,4-dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate with choice over solubility, granularity, or packaging scale. The shift to custom variants started with feedback from synthesis engineers requesting different crystalline states for improved handling or alternative particle sizes to fit bulk feeders. In response, we launched tailored drying and separation steps at production, rather than asking clients to adapt their workflow to a standard product. Another adjustment involved moving to bulk packaging options that avoid static build-up or container degradation, since some users store material for long periods or transfer between multiple staging areas before final processing.

    Sometimes, what looks like a purity problem down the line actually began with a shipping practice that allowed micro-condensation. We addressed this by moving to enhanced drum-sealing protocols, new liner technologies, and QR-based chain-of-custody tags. Our confidence doesn’t rest on a COA prepared at shipping, but is built from the trail of care—tight process control, dedicated analytical runs, and attention to mundane but crucial packaging details.

    Practical Differences: Our Product Versus Standard Market Offerings

    The market holds many sources for substituted pyridinecarboxylates, but as the actual manufacturer, we see a gulf in reliability between high-volume generic suppliers and those who own the process from synthesis to packaging. Some traders push intermediates with near-acceptable purities but hidden byproducts, and the costs of missed batches, unplanned reworks, or unusable byproduct streams get passed down to users. We have watched customers struggle with “clean” raw materials that, after several months, develop subtle off-odors or deposit residues in their reactors.

    Direct production grants us a valuable feedback loop from batch experience. We maintain documentation for every tweak or observed batch-to-batch variance, and make regular backtracks: re-verifying prior methods, checking older lots, confirming stability under mixed storage temperatures, and inviting customers to site audits. Over the past years, we’ve observed that high-purity declarations on a certificate often ignore lower-level contaminants—meaning run-to-run difficulties for downstream synthesis, scale-up delays, or mischaracterizations of “root cause” that point fingers at the wrong supplier.

    Supporting Research and Innovation

    We feel pride when seeing our intermediates in new routes for active pharmaceutical ingredients, functional dyes, or advanced electronic materials. Direct partnerships with labs and manufacturers open new process windows—sometimes revealing solvent choices or catalysts that previously would challenge the old process but fit perfectly with our refined batches. We’ve modified our product to improve suspension behavior for researchers working with microreactors, added impurity markers for traceability in GMP processes, and worked directly with university labs to dissect reaction bottlenecks.

    Academic customers often bring unique needs: micro-scale consistency, rapid delivery, or alternative forms that are more manageable for synthesis on a small scale. We don’t treat these as side-jobs—they inform our future offerings, and several of our technical improvements have come directly from suggestions that began on a research bench rather than an industrial production line. Internally, our R&D and plant technical teams work together closely, translating this feedback straight to process changes, new testing protocols, and alternative variants.

    Handling Challenge: Issues and Solutions

    Direct manufacturing of a compound with such functional group complexity brings real challenges. Hydrolysis, light sensitivity, risk of nitro group reduction under excessive heat, and potential for side chain isomerization all require not just good process design but on-the-ground vigilance. We have experienced issues in the past—unintended byproduct formation during especially humid seasons, or minor shifts in isomer content that showed up only at scale. Every time we encountered these problems, we performed full RCAs, developed targeted process adjustments, and issued technical bulletins to our partners.

    No solution works in a vacuum. Process control for moisture begins at procurement and extends through to updated on-site storage recommendations for customers. We moved from open-hood flask drying to desiccant-controlled environments, and encourage our users to keep materials in recommended environments. To address historical byproduct risks, we worked with our analysis team to bring in new HPLC and NMR methods that catch both known and emerging contaminants, and we offer batch-specific impurity profiles on request to support regulatory or downstream troubleshooting needs.

    Keeping a close dialogue with our downstream users ensures issues never repeat for long. Facility visits, root cause workshops, and conference presentations give us insight into where our product stands up, how it can fail, and why those failures matter. Every change—formulation, purity level, or packaging protocol—reflects direct feedback grounded in real chemistry, not marketing promises.

    Supporting Sustainability and Responsibility

    Running a synthesis plant today brings a responsibility to manage waste, emissions, and resource consumption in every batch. Our in-plant process minimizes solvent and reagent waste by building in real-time recovery loops. We don’t wait for regulatory pressure before improving solvent conservation or implementing waste-reduction tactics; these decisions come from a combination of cost discipline, process safety priorities, and a belief that efficient manufacturing supports both long-term business and the health of our teams and community.

    We’ve invested in closed-loop solvent recovery units, inerted handling lines, and rigorous water monitoring around the plant. Our experience shows that even small leaks or exposures can compound over years, influencing both product purity and facility longevity. We track emissions and water use for every run, and participate in local environmental audits with transparency and a willingness to adapt proven innovations. For customers with green chemistry goals, we share our internal progress and accommodation steps, and have adapted certain process choices to prioritize renewable catalysts or less hazardous starting materials where possible.

    Ultimately, clean, conscientious manufacturing isn’t just for compliance—these changes improve reproducibility, lower defect rates, and make our working environment safer and more reliable. Transparent, ethics-driven production makes us a stable partner, especially for clients facing their own regulatory scrutiny or sustainability initiatives.

    How Our Knowledge Makes a Difference for Customers

    Every new process request, troubleshooting call, or technical challenge feeds back into our operational intelligence. We run process simulations on edge cases reported by advanced customers in pharma, electronics, or specialty chemicals. Whether the challenge comes from an unexpected reagent interaction, a change in supply chain logistics, or downstream issues in formulation, our direct manufacturing position means we have the resources, know-how, and institutional memory to respond.

    Customers value more than a pure product—they look for reliability, partnership, and readiness to help in finding real solutions. Over decades refining isobutyl pyridinecarboxylates, we have learned that trust builds batch by batch, with every successful application, every solved process hiccup, and every detailed record we share with partners. Our teams make sure every shipment, support call, and follow-up document reflects not just compliance but shared expertise and continuous progress.

    Conclusion: Expertise You Can See in Every Shipment

    Producing Isobutyl 1,4-dihydro-5-methoxycarbonyl-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate brings together many strands of hands-on knowledge, technical refinement, and a philosophy grounded in continuous improvement. Each order we ship isn’t just a drum of material—it’s the product of coordinated teams, open communication with technical customers, and a manufacturing process that’s been pushed to meet challenges in real time. Our commitment to this compound—and to the industries it serves—goes beyond stated purity. We deliver experience, trust, and chemical insight with every batch, drawing on the lessons of our own manufacturing journey and the successes and failures shared with us by our partners.