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HS Code |
716396 |
| Iupac Name | 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- |
| Molecular Formula | C22H25ClN2O5 |
| Molecular Weight | 432.90 g/mol |
| Cas Number | 83519-70-2 |
| Appearance | White to off-white powder |
| Solubility | Slightly soluble in water; soluble in organic solvents like DMSO |
| Optical Rotation | Specific rotation (S)-enantiomeric, but value may vary |
| Chirality | S-enantiomer (single chiral center) |
| Synonyms | Cilnidipine, NCX-2077 |
| Chemical Class | Dihydropyridine calcium channel blocker |
| Storage Conditions | Store in a cool, dry place; protect from light |
| Logp | Estimated ~4.0 |
| Usage | Active pharmaceutical ingredient in antihypertensive medication |
As an accredited 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The product is supplied in a 10-gram amber glass bottle, sealed with a screw cap, and labeled with chemical name and safety information. |
| Container Loading (20′ FCL) | 20′ FCL (Full Container Load) transports securely palletized 3,5-Pyridinedicarboxylic acid derivatives, ensuring safe, moisture-free, and efficient bulk shipment. |
| Shipping | The chemical `3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)-` is shipped in sealed, moisture-resistant containers, clearly labeled, and handled according to standard chemical safety protocols. Shipping complies with all applicable regulations for safe transport of laboratory reagents. |
| Storage | Store **3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)-** in a tightly closed container, in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers and acids. Keep at room temperature and protect from moisture. Use secondary containment to prevent accidental spills or exposure. |
| Shelf Life | The shelf life of this chemical is typically 2–3 years when stored in a cool, dry, and tightly sealed container. |
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Purity 99%: 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- with a purity of 99% is used in pharmaceutical intermediate synthesis, where it ensures high-yield, low-impurity product formation. Melting Point 145°C: 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- with a melting point of 145°C is used in medicinal compound formulation, where precise melting promotes consistent blending during processing. Molecular Weight 438.91 g/mol: 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- at molecular weight 438.91 g/mol is used in structure-activity relationship studies, where accurate dosing enables reliable pharmacokinetics evaluation. Stability Temperature up to 120°C: 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- with stability up to 120°C is used in controlled-heating reaction environments, where it maintains chemical integrity for reproducible outcomes. Particle Size <10 µm: 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- with particle size below 10 µm is used in advanced formulation technologies, where fine dispersion enhances solubility and bioavailability. |
Competitive 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- prices that fit your budget—flexible terms and customized quotes for every order.
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Turning new chemical ideas into reliable products means keeping a close eye on every reaction step and never losing focus on what the end user needs. Consistency, transparency, and attention to evolving industry benchmarks guide our approach to synthesizing 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)-. Each batch emerges from controlled environments, where variables get documented, temperatures are logged, and technicians compare yields against industry references to verify reproducibility. Over the years, we have learned that quality builds trust faster than any tagline or brochure. Customers, especially those integrating advanced molecules into pharmaceutical pipelines or specialty materials, deserve no less than detailed process clarity and batch-level accountability.
This particular derivative stands out through its combination of a pyridinedicarboxylic acid backbone, a functionalized aminoethoxy side chain, and the stereospecific (S)-configuration. That unique grouping enhances molecular recognition and target specificity in synthesis pathways—factors that researchers and process chemists value when seeking higher selectivity or improved compound stability. As manufacturers, we keep a close watch on structural integrity, monitoring for possible racemization or minor impurities that can skew sensitive assays further down the line.
Not all analogs offer the same advantages. This molecule’s precise esterification (3-ethyl and 5-methyl ester groups) shifts solubility, lipophilicity, and downstream reactivity compared to more basic diacid forms or unsubstituted analogs. The 2-chlorophenyl group doesn’t just look good on a structure sheet—it brings real implications for biological activity and binding. For teams in medicinal chemistry exploring selective agonists or antagonists, those differences play a crucial role in how molecules interact with complex targets or pass through biological barriers.
Customer feedback never sits idle on a shelf here. One client’s need for a tighter impurity profile led our analytical team to revisit and redesign the purification steps, opting for refined chromatographic methods that sharpened resolution and reduced unidentified signals beyond the industry standard. Each time a new regulatory interpretation appears, we realign our documentation to fit current expectations, keeping records that cover all stages—from sourcing raw materials to shipping final containers.
Our lab staff doesn’t just perform QC because a checklist demands it. They run HPLC, NMR, and mass spectrometry because the science merits it, and clients running bioassays or scale-up syntheses require clean, traceable samples. In our experience, sharing full spectra and analytical results—sometimes even control chromatograms or outlier data—leads to fewer surprises for downstream users than simply listing “purity >98%.” A few years ago, that openness built a long-term relationship with a biotech client whose previous supplier dodged requests for transparency, ultimately slowing their regulatory approval.
Moving from gram to kilogram scale turns chemistry from art to engineering. Some compounds scale easily, while others, like 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)-, require extra scrutiny at each stage. Early lab procedures highlight risks, but only larger runs show bottlenecks: exotherms grow, filtration rates slow down, and equipment fouling can climb.
Years back, our team hit an unexpected hurdle during the esterification step at increased volume; reaction times jumped unpredictably, and a side product began to edge past tolerance. We invested in in-line monitoring—infrared and calorimetric data at actual plant scale—rather than relying on extrapolated lab data. The result: precise process control, fewer reruns, and a product with tighter quality metrics batch after batch. Our process engineers now apply that lesson across other syntheses, reducing overhead costs and supply risks for clients with strict project deadlines.
3,5-Pyridinedicarboxylic acid derivatives, especially those with chiral centers or specific aryl substitutions, hold a key place in both research and commercial product development. Medicinal chemistry teams use them to build scaffolds for small-molecule drugs targeting enzymatic or receptor pathways. Their highly defined structures let computational chemists work with meaningful models; in turn, that improves molecular docking predictions or SAR (structure-activity relationship) studies during early screening phases.
Materials scientists find value in their reactivity and functional group diversity, opening up routes to targeted ligands, coordination polymers, and bespoke surface modification projects. Our advanced grades cater to both laboratory-scale prototyping and NSAI (new synthetic active ingredient) pilot runs.
Stereochemistry often complicates both synthesis and downstream application. The (S)-enantiomer can behave quite differently than its mirror image in both biological and physical contexts. Many synthetic challenges revolve around avoiding racemization, especially during high-temperature operations or long solvent exposures.
Several years ago, we traced an unexpected impurity to subtle changes in solvent grade that slightly shifted the selectivity of a key step. Recalibrating our starting material controls, using enantiopure catalysts, and revalidating the reaction sequence stabilized outcomes. Each improvement lowered the threshold of residual (R)-isomer, pleasing teams in pharmaceutical development who must submit full chiral assay data to regulators.
No synthesis can outrun a poor raw material, and demanding markets periodically hit rough patches: a sudden shortage in aniline derivatives slows down everything upstream, or logistics hurdles delay critical solvents. Experience has taught us not to rely on a single supplier—building relationships with several vetted partners, monitoring shipment quality, and keeping a buffer inventory insulates our own production lines, even in turbulent times.
Last year’s regional storm shook the supply of chlorinated aromatic intermediates. Quick action—a pivot to alternate, prequalified sources—let us keep customers supplied without deviations or missed deadlines. Newcomers often overlook the importance of raw material traceability, but our repeat clients want assurance that our lots aren’t a patchwork from uncontrolled origins. Documentation, safety data, and shipping records flow with the product, giving clients what they need for their own audits and filings.
The chemistry behind 3,5-pyridinedicarboxylic acid derivatives can tempt process developers to cut corners: skipping extra purification passes, relaxing batch release tests, or outsourcing steps with little oversight. In reality, such shortcuts catch up eventually. We learned over time that a two-day extension for proper crystallization saves far more in repeat business and minimized customer complaints than rushing to meet an arbitrary delivery date.
Addressing environmental and safety risks also shapes our procedures. Byproduct capture, solvent recycling, and ventilation monitoring aren’t optional add-ons—they prevent worker hazards and keep emissions in check. Regulators, especially those aligned with global harmonization guidelines, look closely at manufacturers’ willingness to share incident logs, training records, and ongoing process improvements. We adopted real-time sensor data and digital logs to back up every QC and production record, creating a robust foundation during audits. Clients developing regulated products benefit in turn, as their compliance teams can readily verify material chain-of-custody.
Beyond its technical name, this compound separates itself from more basic pyridine esters or unsubstituted diacids in practical terms. Introducing the 2-aminoethoxy side group and 2-chlorophenyl substitution adds distinct reactivity patterns. These substitutions give rise to unique interactions with transition metals, further enabling route design for both catalysis and advanced material assembly.
Other manufacturers sometimes offer derivatives without tight enantiomeric control or leave higher residual solvents. Working hands-on, we find those factors matter most when customers use these molecules to synthesize advanced building blocks—where even minor contaminants can spoil a multi-week campaign or create failure points in a solid-state material. Sourcing from a facility that manufactures rather than intermediates from warehouse stock, our clients know precisely what conditions governed their batches, how byproducts were managed, and why the end material behaves consistently across numerous lots.
Pyridine-based esters with less substitution can play a supporting role in scale-up chemistry, but this specific compound caters more to projects where target selectivity, tuned solubility, and enhanced reactivity take precedence. Collaborators in pharmaceutical research frequently point out the difference in performance compared to less nuanced analogs—boosted yield in coupling reactions, reduced purification overhead, and more consistent registration data for regulatory filings.
As technical requirements in analytical chemistry climb, so do expectations for well-defined reference materials. Our batch analysts partner directly with clients’ chemistry teams, exchanging information at the spectral-data level—not just paper certificates. We have seen these exchanges identify discrepancies missed by automation alone. Sharing raw NMR data, HPLC traces, or even detailed retention-time tables lets researchers integrate our material smoothly into their own workflow validations.
Several major pharmaceutical customers developed method-specific assays using our supplied reference standards. Experience shows that supporting custom analytical needs accelerates their validation timelines, increases regulatory confidence, and builds relationships that outlast a single order or project.
This compound, with its layered substitutions and enantiopurity, often feeds into projects with high consequences: clinical trial supply, new chemical entity filings, or pilot plant studies for advanced coatings. Manufacturers and research firms stake reputations on the reliability of starting materials. Variability in just one functional group, or slight differences in impurity profile, can derail a year's effort.
Feedback from downstream partners shapes our priorities—if a team highlights a recurring trace impurity that we previously considered negligible, we adjust targets promptly, even at the cost of yield or turnaround. Long-term relationships with several R&D teams have grown out of this willingness to adapt and address project-specific concerns, even outside our initial scope.
Green chemistry has moved beyond marketing—it steers purchasing decisions, partnership requests, and ultimately shapes regulatory approval. Our facility transitioned key solvent systems to recoverable alternatives several years ago, cutting hazardous waste output by a third. For the production of 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)-, we prioritize closed-loop systems wherever possible, reclaim and purify spent solvents, and treat generated waste streams in-house under strict compliance guidelines.
Many clients from biopharma and specialty materials seek clear documentation on our carbon footprint, water use, and energy profiles. Comprehensive data, along with third-party certifications where applicable, travels with each batch, ensuring downstream compliance goals face no roadblocks.
Continuous improvement is not a phrase hung on the wall here—it defines our long-term value in the supply chain. Our chemists run annual process-reviews to hunt for new catalysts, more selective reagents, and production routes that cut cost, time, or waste. Over several cycles, these reviews led to lower thermal input requirements for one esterification stage, shortening production windows without sacrificing selectivity or yield.
We collaborate with academic groups studying novel synthetic strategies, channeling published findings into pilot-scale evaluations onsite. Not every route transforms into commercial practice, but clients appreciate our willingness to invest in truly innovative methods—especially those shaving days off synthesis for molecules needed in a hurry.
Every shipment of this specialized pyridine derivative leaves with a guarantee backed by documented, in-house synthesis. Users in regulated industries—where one misstep can mean product recalls or regulatory sanctions—find reassurance in knowing they are not dealing with material passed between brokers or pulled from unknown overseas warehouses. Open, responsive communication with technical staff and a history of successful regulatory inspections tip the scales in favor of long-term relationships.
Clients developing advanced medicines, specialty coatings, or engineered catalysts demand steadfast quality and in-depth process knowledge. Working from this side of the supply chain, we believe that transparency, honest documentation, and a readiness to tackle challenges together beats the promise of just-in-time inventory any day.
Creating and supplying 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 3-ethyl 5-methyl ester, (S)- requires more than technical specs or standard batch reports. Decades of hands-on experience, keen attention to evolving research needs, and direct conversations with users drive our processes forward. Technical skill meets real-world responsibility on our shop floor each day, shaping a finished product that keeps our partners’ discoveries moving.