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HS Code |
483056 |
| Iupac Name | 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- |
| Molecular Formula | C26H21FN4O4 |
| Molecular Weight | 472.47 g/mol |
| Chemical Class | Pyridinecarboxamide derivative |
| Cas Number | 864479-24-3 |
| Appearance | Solid (exact color may vary) |
| Solubility | Low in water, soluble in organic solvents |
| Functional Groups | Fluoro, amide, carbonyl, phenoxy, pyrazolone |
| Pubchem Cid | 16051842 |
| Logp | Estimated 3.8 |
| Smiles | CC1=C(C(=O)NN1C2=CC=CC=C2)C(=O)NC3=CC(=C(C=C3)OC4=NC=CC=C4)F |
| Inchikey | WYLEZMUCXGXJIS-UHFFFAOYSA-N |
| Usage | Pharmaceutical intermediate/research chemical |
| Storage Conditions | Keep in a cool, dry place; protect from light |
As an accredited 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 25g amber glass bottle, labeled with the chemical name, purity, CAS number, hazard symbols, and supplier details. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Securely packed 2-Pyridinecarboxamide in drums or cartons, maximizing space, ensuring safe, stable chemical transport. |
| Shipping | The chemical *2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]-* should be shipped in tightly sealed, chemically resistant containers, protected from light and moisture. Transportation should comply with local hazardous material regulations, including appropriate labeling. Temperature control may be required depending on stability data; consult the MSDS for specific handling and shipping requirements. |
| Storage | **Storage Description:** Store 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- in a tightly closed, clearly labeled container. Keep in a cool, dry, and well-ventilated place, away from heat, moisture, direct sunlight, and incompatible substances. Ensure appropriate safety measures, such as using chemical-resistant gloves and eye protection, during handling and storage. |
| Shelf Life | The shelf life of 2-Pyridinecarboxamide, 4-[...]- is typically 2-3 years when stored in a cool, dry, and dark place. |
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Purity 98%: 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- with a purity of 98% is used in pharmaceutical intermediate synthesis, where it ensures high-yield and contaminant-free reactions. Melting Point 185°C: 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- with a melting point of 185°C is used in high-temperature solid-state reactions, where it provides thermal stability during processing. Stability Temperature up to 120°C: 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- with stability temperature up to 120°C is used in agrochemical formulations, where it maintains integrity and efficacy under storage conditions. Molecular Weight 453.44 g/mol: 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- at 453.44 g/mol is used in medicinal chemistry research, where it meets molecular design requirements for target interaction studies. Particle Size <20 μm: 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- with a particle size below 20 μm is used in tablet manufacturing, where it enables uniform blending and optimal dissolution rates. HPLC Assay >99%: 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- with HPLC assay greater than 99% is used in reference standard preparation, where it provides reliable quantification in analytical methods. |
Competitive 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- prices that fit your budget—flexible terms and customized quotes for every order.
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Every year in chemical manufacturing, the margin for error tightens and expectations from pharmaceutical clients and specialty chemical producers rise. Our experience with niche, high-purity intermediates brought us face-to-face with challenging synthesis routes, especially as innovation in medicinal chemistry pushes demand for functionalized, high-integrity building blocks. In response, we have refined our production of 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]- to meet these realities.
Through years on the line, there’s one thing that sticks out about complex heterocyclic amides. Product quality isn’t an abstract norm, it is literal batch-to-batch consistency — color, solubility, trace impurity profile, all matter, especially when risk of downstream process clogging or unpredictable reactions hang in the balance. Synthetic intermediates like this one serve as crucial links in the chain that leads from laboratory innovation to treatments or high-performance materials. On multiple occasions, clients shared frustration over irregular flows, clogs in crystallization setups, or lagging yields, almost always traced to the supplier’s inconsistency. Our process engineers and QC experts learned the hard way that pushing for improvements in purification steps (especially for the fluorinated phenoxy group) led to dramatic improvements in subsequent coupling reactions, not just smoother product, but less rework, less downtime — and a happier customer at the end.
Our facility tackled yield and purity at each stage — starting from 2-pyridinecarboxamide core synthesis, onto selective acylation, through the integration of the dimethyl-pyrazolone subunit. We don’t just report purity by HPLC or NMR; we’ve coupled chemometrics with real-time analytics for each product lot. If a byproduct creeps near even the low ppm mark outside client spec, we catch it before it ships. This operational vigilance grew out of earlier years facing recalcitrant off-colored lots and the customer complaints that followed — a hard-earned lesson in taking nothing for granted, especially as scrutiny in regulated synthesis increases.
A few years ago, we fielded questions from several development teams struggling with the unpredictability of similar intermediates from other sources. The main pain points included inconsistent melting points, morphologies that affected solubility, and in a few cases, latent isomerism or trace tars that muddled downstream reaction profiles. In several projects, an unreliable batch unraveled weeks of work — not merely a delay, but direct resource loss.
To avoid surprises, we run every production lot through a regime of solid-state characterization. Where others stop at chromatographic analysis, our group insisted on X-ray powder diffraction and batch-to-batch polymorph screening, especially when trace byproducts or variation in the pyrazolone fragment could impact the reactivity or stability. Years ago, a persistent concern in the market involved materials that performed during preclinical research but failed to scale or demonstrated reactivity quirks in process development. Our insistence on real-world benchmarks — not just theoretical purity but measurable performance — directly reduced troubleshooting hours for formulators and process chemists.
Scaling from gram to multi-kilogram quantities uncovers every flaw in a synthetic route, especially with a molecule of this complexity. Our own synthetic chemists had to rework the acylation step during early pilot runs. Early in development, attempts at a direct coupling route resulted in inconsistent yields and a persistent emulsion layer in the workup. Instead of forcing scale, we stepped back and invested time in optimizing reagent portions and solvent swaps, sacrificing a bit of raw yield for much higher reproducibility, predictable crystallization, and easier filtration. The difference in maintenance hours and raw material waste, even across a single campaign, justified the slower buildup.
Keeping the aromatic fluorine intact required careful monitoring of temperature and pH across both coupling and isolation. Several industry formulations suffered transformation of the 2-fluorophenoxy group, which doesn’t always show up in routine screens but becomes a critical issue under forced degradation or process stress. We standardized in-line monitoring and repeated forced-degradation tests to ensure the molecular integrity before release.
From warehouse to pilot reactor, every shipment of this product integrates with mandatory cold chain or dry handling requirements, dictated by the molecule’s physical properties and risk of hydrolytic degradation. We have the scars from early distribution mistakes, so our current distribution chain is strictly controlled, from desiccants through to dual-layer packaging, which regular warehouse chemicals may not require. Our sales and applications chemists have lost count of times where a client’s puzzling analytical profile turned out to be the result of improper storage by a third-party, hence our strict adherence to chain-of-custody.
This intermediate plays a central role in early- to mid-stage pharmaceutical research, a favorite among medicinal chemists working on modulating pharmacokinetic profiles or tuning hydrogen bond donor/acceptor ratios in target molecules. The presence of both the pyrazol-4-yl moiety and the 2-fluorophenoxy segment gives the molecule unique capabilities as a scaffold for further functionalization, desirable when design flexibility and synthetically accessible points are required. In our work with research and process chemistry teams, feedback consistently points to the productive coupling and robust chemical stability of our material, even under stress testing or varied coupling agents.
Unlike lower-purity offerings, impurities in key positions on this molecule — especially the pyrazolone ring or the amide linkages — ripple onward, often quenching yields or introducing colored byproducts in later stages. Certain third-party-sourced intermediates, especially those not designed with pharmaceutical scrutiny, have shown persistent batch-dependent color or delayed reactivity, a hard thing to spot in early lab trials but a major risk later. The experience of optimizing for rigorous QC isn’t a pride point — it’s the difference between an open production schedule and a costly root cause investigation down the road.
Downstream users in both pharma and specialty materials increasingly demand fine control over solubility and compatibility. Minor variations in crystallinity or the presence of low-level ionic residues can upset highly sensitive reactions in scale-ups. From the manufacturer’s perspective, responding to feedback from end-users led us to revise our purification process — for example, integrating an additional ion-exchange step and solid-phase filtration to eliminate these sporadic variabilities. This level of effort was driven by real-world setbacks incurred by our clients, not theoretical margin-chasing.
Several differences set this material apart from standard market offerings. Most commonly, competitors in the field skip secondary solid-phase purification or rely on batch blending rather than single-lot quality control. Through exposure to other manufacturers’ product failures, particularly during client onboarding or troubleshooting, it became clear that fine resolution and true single-lot accountability aren’t just quality checkboxes, but pivotal tools for building trust.
We maintain a disciplined chain from raw material registration to lot-number traceability, with all staff trained to halt downstream processing if discrepancies show up in NMR, HRMS, or solid-state profiles. Our operational transparency, such as reporting of batch-specific impurity profiles and sharing real-time lot data, earned us long-term collaborations with top-tier pharmaceutical developers. The increasing regulatory scrutiny means only real manufacturers who embrace full process visibility can afford to stay relevant.
On many occasions, competing materials sourced from blending or multi-site providers were linked to off-specification material behavior — most notably, inconsistent melting points, needle-like crystals that proved hygroscopic, or unanticipated discoloration during extended storage. Our product, by contrast, sticks to a set crystallographic form, demonstrated by repeated powder X-ray verification and accelerated aging tests. These are not theoretical improvements; they directly prevent storage instabilities and losses further downstream. Operational savings, reduced waste, and better productivity come from minimizing surprises, a principle we have learned from two decades of fixing unforeseen issues in client processes.
The differences in approach become meaningful during real-world chemical synthesis. When a batch fails quality checks at a client facility, chemists and engineers don’t care about origin labels or certifications on paper; they care that their reactors don’t stall, that their yields stay within promise, and that troubleshooting points to process, not supplier variability. In concrete terms, this means rejecting “good enough” as a risk management strategy — instead, our teams built process improvements so every bottle matches the last, not just in analytical printouts, but in physical reactivity.
Our direct conversations with users exposed the economic and technical risk of variable raw materials. In process chemistry, even small impurities can bind or deactivate catalysts, or co-elute in downstream purifications. This leads to either pile-up of waste, rework, or — worst case — loss of precious API or advanced intermediate. Feedback from several key clients drove us to revisit particle size controls, filtration protocols, and even internal training, since a single misstep anywhere upstream becomes a persistent headache downstream.
Global pharmaceutical requirements shifted dramatically in the last five years. Regulatory authorities no longer view supplier declarations as enough; they examine supply chain integrity, batch histories, and even minor contamination or variability profiles. We undertook the hard work of qualifying every raw material and implementing regular second-party audits, not because of any abstract compliance requirement, but because past batch recalls for even parts-per-million contamination nearly unraveled relationships with some of our earliest partners. These weren’t theoretical risks: documentation gaps led to expensive delays, wasted manpower, and in at least one case, a full product recall.
Our technical and quality staff aren’t reading from industry guidebooks — they come from years of real troubleshooting, root cause analysis, and direct engagement with GMP audits and validation teams. We embraced digital batch tracking, risk-based change management, and ongoing process improvement as much for our own sanity as our clients’. Every new process tweak or raw material change runs through analytical and process stress testing before showing up in client workflows. If we find a more robust purification solvent or discover a tweak that reduces impurity carryover by a fraction of a percent, it becomes standard — not just for peace of mind, but because the alternative invites needless investigations and hours lost resolving batch deviations.
This intermediate is not only a response to today’s market, but a hedge for tomorrow’s tighter controls and still-unforeseen application challenges. With the accelerating pace of medicinal chemistry innovation, the demand isn’t only for molecules that meet today’s specifications, but ingredients that allow for rapid scaling, robust analytical conformity, and flexibility for future regulatory hurdles. A key challenge on our floor has been anticipating these needs before they become acute. Process design from the ground up — avoiding cross-contamination, eliminating even trace leachable or extractable materials, and maintaining clean records — pays dividends long after an individual order is filled.
Real customer relationships, built on honest feedback and delivery of consistent performance, taught us the value of proactive process vigilance. We learned to accept that every intermediate we ship reflects not just our technical know-how, but our commitment to our partners’ ongoing development and to the end users who ultimately benefit from safe, reliable treatments. As boundaries between technical demands and regulatory obligations blur further, manufacturers who understand both chemistry and risk-management from hands-on experience stand as true partners for research, scale-up, and commercialization.
At every stage, from raw material vetting to final QC, our experience brought about habits of transparency, real traceability, and process rigor that go beyond paperwork. For those developing advanced pharmaceuticals, specialty chemicals, or novel research molecules, the margin for error keeps shrinking. Years spent solving problems others missed shape how we approach every batch of 2-Pyridinecarboxamide, 4-[4-[[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)carbonyl]amino]-2-fluorophenoxy]-.
In our field, detail and dependability matter. Solution-oriented manufacturing isn’t a slogan, it’s a way of working — forged by lessons from real setbacks and daily successes in a demanding, ever-changing chemical landscape.