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HS Code |
690134 |
| Iupac Name | 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester |
| Molecular Formula | C23H22N2O5 |
| Molecular Weight | 406.44 g/mol |
| Cas Number | 94055-04-2 |
| Appearance | White to off-white solid |
| Solubility | Slightly soluble in water, soluble in organic solvents |
| Purity | Typically >98% (dependent on supplier) |
| Storage Conditions | Store at room temperature, keep tightly closed |
| Smiles | CC1=NC(=C(C(=C1C)C(=O)OC(C)C)C(=O)OC)C2=CC3=C(C=C2)N=NO3 |
| Inchi | InChI=1S/C23H22N2O5/c1-12(2)31-23(29)17-14(3)19(21(27)30-4)16(13(17)5)18-8-6-7-15-20(18)25-24-22(15)26/h6-8,12H,1-5H3 |
| Logp | Estimated 3.9 |
As an accredited 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle labeled with chemical name and hazard warnings; contains 5 grams of fine white powder, securely sealed. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Typically loaded in 25kg drums, totaling approximately 9–10 metric tons per 20-foot container for safe chemical transport. |
| Shipping | The chemical **3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester** should be shipped in tightly sealed containers, protected from light and moisture. It must be transported according to all relevant regulations for chemical substances, using appropriate labeling, and accompanied by a safety data sheet (SDS). Handle with care. |
| Storage | Store 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizing agents. Protect from moisture and sources of ignition. Clearly label the container and limit access to trained personnel. Follow all relevant safety and regulatory guidelines. |
| Shelf Life | Shelf life: Stable for 2–3 years if stored in a tightly sealed container, protected from light, heat, and moisture at room temperature. |
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Purity 99%: 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester with a purity of 99% is used in pharmaceutical intermediate synthesis, where enhanced reaction yield and product consistency are achieved. Melting point 142°C: 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester (melting point 142°C) is utilized in high-temperature formulation processes, where thermal stability ensures reliable incorporation. Molecular weight 396.42 g/mol: 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester with a molecular weight of 396.42 g/mol is used in medicinal chemistry research, where precise mass enables accurate compound quantification. Particle size <10 µm: 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester with a particle size below 10 µm is applied in fine chemical dispersion systems, where uniform particle distribution enhances homogeneous mixing. Stability temperature 85°C: 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester stable up to 85°C is used in controlled heating processes, where it maintains compound integrity under elevated temperatures. Solubility in DMSO 25 mg/mL: 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester with a solubility in DMSO of 25 mg/mL is used in laboratory screening assays, where high solubility allows for consistent sample preparation. Viscosity grade low: 3,5-Pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester of low viscosity is implemented in solution casting applications, where low viscosity promotes efficient film formation and coating uniformity. |
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In the world of specialty chemicals, small changes in structure often lead to major differences in utility. At our production site, we have focused on 3,5-pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester for good reason. Our chemists interact daily with not only the substance but also the questions from process engineers, formulators, and research scientists who need reliability and clear understanding of the materials they use.
Our experience with this derivative arose from trends in applied organic synthesis. Researchers searched for scaffolds allowing precise electronic modulation in pharmaceutical intermediate design and advanced material development. Classic dicarboxylic acids served many, but only after tailoring ring structures and ester modifications could end-users unlock certain performance metrics. By introducing both methyl and isopropyl esters, plus incorporation of benzofurazan at the 4-position, we watched previously unseen reactivity and stability emerge. The molecule’s scaffold offers more than academic intrigue; end-products gain new life and function due to these exact changes.
Facility workers see every step of this material’s journey, from reaction temperature tweaks to the final crystallization. Many talk about the sticky phase after initial coupling, a step that often distinguishes successful batches from frustrated cleanup sessions. By setting clear purge points and limiting exposure to atmospheric moisture, the purity routinely surpasses 98% without excessive post-processing. We test using HPLC and confirm structure by NMR, feeding results back to frontline chemists, which enables faster troubleshooting and meaningful continuous improvement. Each run tells its own story, but the regular audits and logged deviations make a real difference in the outcome.
Feedback loops shape our manufacturing more than any handbook. Clients using our pyridinedicarboxylic acid ester, especially those in custom formulation and intermediate synthesis, point to reduced decomposition in high-shear mixing and less variance in melting points during scale-up. Many older esters with simpler aromatic substitutions tend to show unpredictable hydrolysis patterns under variable humidity. By contrast, the benzofurazanyl group adds measurable stability under accelerated storage, a factor that matters when consignments travel long distances.
In practice, the presence of the methyl and isopropyl esters generates more favorable solubility in nonpolar and mixed polar solvents. This duality helps researchers who want to push the boundary of reaction conditions without clogging reactors or running into slow crystallizations. In peptide coupling or fragment-based synthesis, the unique electronic profile stemming from dimethylation often helps suppress side reactions common in related pyridine esters.
As producers, we notice fine-grained variations in each chemical’s behavior. Older derivatives sold under generic tags offer passable yields but often create downstream headaches due to inconsistent color, variable moisture sensitivity, and persistent trace impurities. Some suppliers tolerate wide tolerances in GC-MS fingerprints. We do not. We push for lot-to-lot consistency, and our on-site team makes a habit of revisiting batches even after certificates go out. We have caught drift in melting points or hints of residual solvents far earlier this way, preventing cascade effects that could impact a partner’s engineered process.
Unlike many comparable esters, our target molecule tolerates both basic and slightly acidic handling environments, making routine laboratory adjustments less stressful. Reactions requiring clean protection group strategies or in situ ester hydrolysis have proven less prone to stall or unpredictably exotherm with this compound in the mix. Developers running large reactors and pilot lines appreciate dependability, not just because it saves time but because each avoided failure reduces waste and rework. The reputation of the molecule now stands as a kind of informal standard among a select group of demanding synthetic chemists and process engineers.
In talking to scientists face-to-face, we hear of continual reimagining of our molecule in many roles. At first, pharmaceutical teams leveraged its structure for coupling into heterocyclic backbones. Recently, interest in advanced polymers and electronic components put fresh focus on the benzofurazan-bearing variants. Where a simple pyridinedicarboxylic acid would create brittle materials, our esterified version imparts flexibility and boosts resistance to environmental degradation. That means end-users see a longer shelf life and a broader window for processing at higher temperatures or under open-air conditions.
We have even watched as our compound appeared in academic studies targeting new catalytic systems. Not all ideas translate to industrial scale, but the cross-pollination between labs and factories generates unexpected benefits. Sometimes minor improvements—like reduced odor profile or smoother granulation after drying—come because graduate students weigh in with hands-on tweaks after working with the material for only a few hours.
Mistakes cost far more than people outside production lines imagine. Measuring and mixing every batch is a hands-on process. Small slips cascade. While watching for impurities by high-resolution chromatography, our team often finds faint signals overlooked in other facilities. We check each batch for moisture sensitivity; even slight variations in ambient humidity can impact crystalline yield and filterability. Cutting corners by using off-spec batches would ripple through our client’s entire workflow. By sticking to high scrutiny—sometimes sampling an extra drum, double-checking a run when readings seem off—we guard both our own standing and the results carried forward by the people who rely on us.
Compared to typical dicarboxylic acid esters, this molecule stands up to repeated cycles without losing functionality. Downstream partners notice fewer surprises in their own quality control logs. This kind of synergy, built on thorough feedback and real-world observation, only happens when a manufacturer keeps both eyes wide open. Our goal lies not in churning out more product but in sending out a compound that solves rather than introduces problems into our partners’ operations.
Supply chains, never truly stable, become more volatile when specialty chemicals see sudden popularity. Parallel trends in electronic devices and newer drug candidates stretch both demand and tolerances for delivery delays. As we learned in recent years, buffer inventory dries up quickly when logistics slow down. We keep extra batches on hand and schedule nighttime runs to avoid bottlenecks. Our workers, familiar with every valve and vessel, catch leaks and off-odors before shipment. By keeping the lines tight and airtight, especially in the final purification, we reduce contamination and improve shelf stability.
Logistics partners may struggle, but our job stays clear: keep capacity incrementally ahead of what partners need, and never drop the ball on documentation or final inspection. Through consistent practice, we can fulfill urgent orders with the same attention as routine consignments, lowering the risk our clients feel when scaling experimental runs to full-scale production.
Every production cycle brings environmental scrutiny, rightly so. Our compound’s synthesis requires strict solvent control to keep waste manageable. Workers monitor stills to track emissions, and we install extra scrubbers for capturing volatile byproducts. Adopting closed-loop purification not only minimizes solvent loss but also helps us meet stricter regulatory standards without a spike in costs. Waste fractions, even low-level streams, undergo secondary treatment. We have learned to recover much of the process water for non-contact reuse. Our on-site tests tally reduction in solvent consumption year-on-year, satisfying internal goals and external audits focused on sustainability.
Walking the line, supervisors and engineers see how even familiar compounds challenge worker safety. Some steps in the production of this compound generate noxious fumes or transient dust. We supply overshields, gloves, and ventilated enclosures as standard, not exceptions. Worker input matters—our batch operators helped choose new dispenser setups that limit splashing and unintentional spills. Safety trainers gain fresh insight by inviting feedback after a run, leading to small but vital changes in procedures. Each change, whether it’s a different mask or better signage around loading bays, leads to fewer incidents. We measure success by routine safety drills as much as finished product volume.
Formulators choose among a crowded field of pyridine derivatives and carboxylic acid esters. Several alternatives claim comparable functionality but fall short under scrutiny, especially during prolonged storage or scale-up. Classic dialkyl esters give predictable yields but seem more prone to hydrolysis, especially in unprotected sites. Our benzofurazan-containing compound keeps its integrity longer, even in bulk drums or after exposure to non-ideal transport conditions. Process chemists mention smoother dilution in batch tanks and less fouling of reaction lines, details that save both time and hard-earned funds.
We seldom see comparable purity in lower-cost options, often finding residual catalysts or dye contaminants. These show minor defects in finished films or injectable formulations, leading to costly recalls or downstream reprocessing. By maintaining higher baseline purity, we help our clients deliver on tight regulatory demands, especially for end-uses that undergo intense testing before going to market.
Some clients want lengthier certificates of analysis or extra batch samples. Others need data on biodegradability or packaging under low-oxygen headspace. By listening and responding, we accommodate reasonable customizations without letting the process spiral into delay or excess backlog. A good number of improvements in packaging—swapping liner types or rethinking drum seals—stem directly from reading user feedback.
We track most repeat requests, ensuring our staff know which clients use the compound for sensitive pharmaceutical intermediates versus those turning it into adhesives or specialty coatings. Each market segment drives slightly different needs in terms of documentation, stability testing, and shipment logistics. Our flexibility in the face of these requests marks the difference between simply moving tonnage and forming lasting partnerships.
Our chemists face their share of hurdles during multi-step synthesis. At the heart of complexity lies the benzofurazan coupling stage, where precise temperature control and staged addition make or break output. Too fast, and byproduct formation surges; too slow, and yield tumbles. Workers learn to judge reaction progress not just by digital readouts but by subtle changes in reaction color or viscosity. Each time new staff cycle through training, the crew shares tips—look for the tint shift, listen for a slight change in stirring sound. This knowledge, rarely written down, ensures we maintain high first-pass yield and save time spent on reprocessing off-spec material.
To shave off both cost and waste, we shifted to greener solvents and tweaked catalyst levels after each batch run, guided by both bench trials and full-scale monitoring. Operator notes feed back into our formulation book, a real-world lab notebook kept alive by people who run the line rather than only those who write procedures.
Many of the most impactful changes come directly from observing how the compound behaves outside our walls. Experimentalists in pharmaceutical development leverage its reactivity, reporting consistent amide bond formation when conventional esters lag or produce incomplete reactions. In more advanced materials, researchers appreciate the extended shelf life and improved mechanical properties imparted by the benzofurazanyl group. Not all stories surface through formal channels; we often receive informal emails or conversation snippets sharing practical wins, like shaving an hour off a reaction timeline or seeing clearer crystallization after switching input esters.
These real-world stories anchor our confidence in the product, validate production tweaks, and sometimes spark entirely new application directions. We aim to welcome criticism, recognizing that each negative finding gives us a chance to refine processes before small issues snowball into major complaints.
Conversation with users rarely stops at the loading dock. Our most frequent partners brainstorm new uses and trouble-shoot setbacks alongside our lab personnel. Experience tells us that iterative collaboration—sharing samples, running parallel reactions, cross-verifying test data—moves both the producer and client forward faster than any transactional purchase ever could. We give space for pilot studies and work up trials in our own labs, with joint teams sometimes discovering unexpected synergy in hybrid applications.
Every batch we produce reflects more than a business transaction. As manufacturers, we feel the direct impact of delivering complex molecules that underpin critical industries. The lessons gleaned from each run—mistakes as much as triumphs—drive both process and quality priorities, ensuring the next shipment improves on the last.
From a single specialized molecule like 3,5-pyridinedicarboxylic acid, 4-(4-benzofurazanyl)-1,4-dihydro-2,6-dimethyl-, methyl 1-methylethyl ester, our team draws a philosophy of craftsmanship. Real progress comes from open feedback, precise execution, and respect for the practical challenges faced by those downstream. Sustained input from users, regular review of both production logs and on-site tests, and a culture of openness to adjustment ensure we remain trusted partners in a demanding field.