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HS Code |
224171 |
| Iupac Name | (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate |
| Molecular Formula | C22H24Cl2N2O6 |
| Molar Mass | 483.34 g/mol |
| Appearance | White to off-white powder |
| Cas Number | 864225-42-1 |
| Solubility In Water | Practically insoluble |
| Boiling Point | Decomposes before boiling |
| Storage Conditions | Store at 2-8°C, protected from light |
| Purity | Typically ≥98% (HPLC) |
| Chemical Class | 1,4-dihydropyridine derivative |
| Smiles | CCCC(=O)OCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C2=C(C=CC=C2Cl)Cl |
As an accredited (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sealed 100 g amber glass bottle with tamper-evident cap, labeled with chemical name, CAS number, hazard symbols, and storage instructions. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Securely packed 14 MT of (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate in 25 kg drums. |
| Shipping | This chemical substance is shipped in secure, compliant packaging suitable for laboratory chemicals, ensuring stability during transit. The parcel includes detailed labeling, hazard information, and handling instructions. Shipping complies with international regulations, including IATA and OSHA guidelines. Temperature and light protection are applied as required. Delivery typically uses insured, trackable courier services. |
| Storage | Store **(butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate** in a tightly sealed container, protected from light and moisture. Keep at 2–8°C (refrigerated) in a well-ventilated area away from incompatible substances such as strong oxidizers and acids. Handle using gloves and eye protection in a chemical fume hood to avoid inhalation, ingestion, and skin contact. |
| Shelf Life | Shelf life: Stable for 2–3 years when stored in a cool, dry place, protected from light and moisture, in original packaging. |
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Purity 99%: (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate with a purity of 99% is used in cardiovascular drug formulations, where it ensures high pharmacological efficacy and minimized impurities. Melting Point 130–133°C: (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate with a melting point of 130–133°C is used in tablet manufacturing, where it provides stable solid-state properties for consistent dosing. Molecular Weight 505.34 g/mol: (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate with a molecular weight of 505.34 g/mol is used in targeted drug delivery systems, where it enables predictable pharmacokinetic profiles. Particle Size <10 μm: (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate with a particle size less than 10 μm is used in oral suspension formulations, where it increases bioavailability and uniform dispersion. Stability Temperature up to 60°C: (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate stable up to 60°C is used in long-term storage of active pharmaceutical ingredient stocks, where it maintains integrity under variable storage conditions. Hydrophobicity (logP 3.8): (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate with hydrophobicity logP 3.8 is used in lipid-based formulations, where it enhances membrane permeability and absorption rates. |
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(butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate stands as a product deeply rooted in synthetic organic chemistry. Behind this name lies a molecule belonging to the longstanding and valued dihydropyridine class, which is known for its relevance in the world of pharmaceuticals and chemical intermediates. At our facility, we produce this compound with deep familiarity shaped by years of hands-on experience in each step of its multi-stage synthesis. The raw materials sourced for this product undergo rigorous verification — compliance is checked not out of obligation, but as a matter of craft pride. The intersection of specialized knowledge, reliable sourcing, process control, and meaningful application guides every batch that leaves our reactors.
Experience in manufacturing dihydropyridine derivatives has shown us how subtle modifications can bring remarkable changes to a molecule’s profile. The defining presence of butanoyloxy and methyl esters on this compound, along with the 2,3-dichlorophenyl substitution, reflects precise synthetic intent. By introducing these groups, the molecule attains a balance between lipophilicity and reactivity, which can influence how it is processed, formulated, or used in downstream applications.
Those working with aryl dihydropyridines know how a seemingly minor alteration in substituent positioning impacts properties such as solubility in various solvents, stability over time, or compatibility with process equipment. Through iterative experimentation, we have observed that the butanoyloxy group enables this compound to perform unusually well in a range of hydrophobic and polar organic solvents without breaking down or clumping. The firm anchoring of chlorinated phenyl and methyl groups, meanwhile, produces a stable core that has withstood repeated scrutiny in rigorous stability and compatibility studies.
The decision to manufacture this molecule at scale was shaped by real-world feedback from formulation chemists and R&D professionals. Lab-scale batches commonly highlighted issues in yield and processability at earlier development stages. Simply meeting the target chemical structure is never enough; reliability in reproducibility, purity, and batch-to-batch consistency matters far more to any industrial process. Our move to full-scale manufacturing was fueled by the repeated demand for a compound that could offer both refined performance and ease of downstream processing. In our operations, every lot of (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate now undergoes multiple quality checks, from crystallinity and color to controlled loss-on-drying and impurity profiling.
For those engaged in the manufacture of specialty formulations, custom intermediates, or advanced pharmaceuticals, the hands-on reality at the production site often differs from textbook protocol. Early mornings at the reactor tanks feature energetic discussions — extraction rate optimizations, solvent selection trials, and dryer settings are all reviewed in detail, without ever losing sight of the intended end-use. This practical perspective has let us identify and mitigate deactivation routes, neutralize color drift, and keep residual solvents below the latest regulatory limits, each time learning a little more about the molecule and its habits.
Customers and partners have raised understandable concerns about analytical verification and traceability, especially in high-value or regulated sectors. Internally, our QA team maintains a reference library of retention times, spectra, and impurity markers. Instead of resting only on standard HPLC or GC assays, our laboratory invests additional time in mass balance calculations, routine moisture content analysis, and visual inspection under changing light conditions. Every result gets logged into a batch record system linked directly to process controls, so that recalls or deeper analysis remain efficient and credible.
Having gone through several external inspections and customer audits, our team values open, technology-driven transparency. Certificates of analysis, typically, are not just numbers on a page but documentation reflecting hands-on checks — they speak to the actual work performed on our production floor. Moreover, any anomaly uncovered during synthesis or packaging triggers a chain of investigation extending from solvent drum to packed flask. This level of scrupulousness does not arise by accident but from years of learning, iteration, and genuine engagement with the needs and concerns of real-world buyers, researchers, and quality officers.
The marketplace offers a spectrum of dihydropyridine analogs, each with unique pros and cons. Most competitors offer variants tailored to basic applications, but our version of (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate has earned its reputation in demanding environments. Colleagues in both process development and tech transfer repeatedly note that other compounds in this class, whether produced locally or imported, often raise issues with batch uniformity, hidden contaminants, or regulatory headwinds due to ambiguous documentation.
Our manufacturing avoids shortcuts such as uncontrolled exotherms, rushed drying, or cross-contamination between different product lines. The approach is hands-on: staff assigned to this compound return to the same reactor, same purification train, and same set of tested operational ranges every time. This level of ownership, along with process data tracking over years, means we deliver a compound with proven reproducibility — a feature still seen too rarely among generic substitutes.
Feedback from formulation teams helps us improve the product continually. For example, one customer integrating the compound into a multi-step pharmaceutical process found bottlenecks around post-reaction filtration. A switch from a competitor’s batch to ours delivered sharper, less waxy crystallization and thus a smoother downstream clean-up. Another team reported that side-product formation dropped noticeably under our impurity profile, cutting the need for repeated purification cycles. Such experiences reinforce how key process-friendly performance is in keeping manufacturing costs down.
Our routine contact with synthesis and formulation teams has highlighted challenges faced by users trying to switch suppliers. Some have described how switching even a single dihydropyridine intermediate set off a cascade of troubleshooting, ranging from unexpected small-molecule emissions to troublesome color changes at pH extremes. This compound’s real test lies outside our own facility, in the array of real-life procedures — columns, rotary evaporators, automated pipettors — where subtle differences surface. Sustained feedback cycles between us and those users continue to guide improvements both in process management and in understanding how the material handles across industries.
Producing this compound has taught us how minute variation in synthetic conditions, like pH, temperature slope, or order of reagent addition, changes the game. Careful control yields a product that pours cleanly and packs evenly. Weight per unit volume, particle form, and melting range are tracked to help formulation chemists program their processes more confidently. Solubility characteristics, tested across an array of solvents in our own labs, enable users to quickly select appropriate vehicles or co-solvents, supporting both pilot trials and scaled-up production.
Our team handles the full cycle from in-house synthesis to fine crystallization and filtration, then to protected storage and dispatch. Every package is packed with the kind of protective measures developed only after years of seeing how moisture, light, and shipping agitation can affect delicate intermediates. Control over particle size distribution comes from a mix of mechanical sieving and in-process adjustment of crystallization rates, each step logged and tied to the product’s final characteristics.
Chemistry walks hand-in-hand with responsibility. Like many modern reactive compounds, (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate demands respect for its potential impact on health and the environment. From the start, every process worker and supervisor receives training in containment, PPE, and emergency response. We have worked with local authorities and third-party experts to improve our waste treatment and air emission controls, adapting as new data and stricter policies have emerged.
Historically, most incidents occur during solvent handling, product transfer, or reactor maintenance. This knowledge prompted process changes — sealed transfer systems, integrated ventilation, and staggered work schedules to avoid accidental exposure. The reality of manufacturing means close attention not only during routine operations but also in dealing with unplanned events. Waste minimization processes, solvent recovery, and cleaner reagents show clear benefits in both worker safety and sustainability, supporting the long-term interests of our workforce and our neighbors alike.
Over the years regulatory standards have tightened for active pharmaceutical ingredients, precursors, and specialty intermediates. Each revision triggers renewed scrutiny over trace impurities, residual solvents, and batch identification. We have responded by equipping our labs with updated instrumentation, hiring qualified analysts, and auditing entire process lines for compliance with the latest standards relevant to major markets. Within our facility, records link every drum of solvent and every shift of production to the corresponding finished product, letting partners and regulatory bodies verify the complete journey of each material.
As more end-users call for sustainable and transparent sourcing, traceability now means more than paper trails. It shapes how we buy raw materials, how we structure reporting, and how we interact with oversight agencies. The practical reality of E-E-A-T principles—experience, expertise, authoritativeness, trustworthiness—aligns closely with the routines hammered out over years on the production floor. Experience moves the process forward, expertise solves the unexpected, authoritativeness quiets doubts, and trust comes from consistently showing what has been done rather than just promising it.
Long-term users have often brought up challenges that no certificate or batch report alone can address. One recurring discussion is about minor color variation across shipments resulting from shifts in storage temperature at customer sites. Our process team developed specific guidance on optimal storage and transfer, reducing this issue over successive supply cycles. Another collaboration with a research group led to a joint investigation of the impact of ultra-trace byproducts on chromatographic analysis, helping refine both our own methods and theirs for future projects.
Processes are never static, and incremental gains matter. Adjustments in drying conditions, tweaks in raw material prep, and investments in more sensitive QC technologies are all part of what keeps this product competitive and reliable. Every real-world issue brought to us—be it a clog in a filter press, a stray peak on an LC-MS scan, or a shortfall in reactivity—generates new internal trials and, often, process improvements that all our customers eventually come to benefit from.
Experience as an original manufacturer has taught us much about volatility in supply chains. Sourcing every raw material directly, managing just-in-time inventories, and learning from disruptions keep our process steady even when outside elements fluctuate. Back-up suppliers earn their place through documentation and spot-checks, not just price. Batch scheduling accounts for maintenance cycles and seasonal variables — expensive lessons, often learned the hard way, that keep us ready for spikes in demand or global shipping hiccups.
Packaging, too, follows real-world best practice. Metal cans or high-density polyethylene containers protect the compound from moisture and light. Calibration checks before each filling and post-packing inspections cut down on breakage and leakage during transit, which becomes especially relevant for shipments crossing climate zones or spending weeks in customs. Every parcel heads out with the careful attention learned through years responding to customer feedback on loss, contamination, or delays.
Looking ahead, our team sees growing interest in custom derivatives, alternative polymorphs, and highly purified grades for specialized applications. Dense engagement with researchers and process engineers continues to unearth new opportunities for this compound in emerging therapeutic areas, catalysis, and even materials science. The agility to modify our process or tune a product spec on short notice sets us apart, and it is only through day-to-day collaboration, open conversation, and respect for each partner’s challenges that real value gets delivered.
As a manufacturer, our commitment is not just to deliver a molecular formula on paper. We commit to standing behind each shipment, learning from every use case, and building long-term partnerships with those who value both quality and practical support. This approach keeps us focused on delivering (butanoyloxy)methyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate at a standard forged by continuous engagement with real-world needs and ongoing technological improvement.