|
HS Code |
146668 |
| Chemical Name | Pyridine-4-carboxamide oxime |
| Cas Number | 1453-82-3 |
| Molecular Formula | C6H7N3O |
| Molecular Weight | 137.14 g/mol |
| Appearance | White to off-white solid |
| Melting Point | 227-230°C |
| Solubility In Water | Slightly soluble |
| Smiles | C1=CC(=NC=C1C(=O)N)N=O |
| Inchi | InChI=1S/C6H7N3O/c7-6(10)5-1-3-8-2-4-5,9/h1-4H,(H2,7,10)(H,9,8) |
| Synonyms | 4-Pyridinecarboxamide oxime, Isonicotinamide oxime |
| Storage Conditions | Store in a cool, dry, well-ventilated place |
| Uses | Pharmaceutical and chemical intermediate |
As an accredited PYRIDINE-4-CARBOXAMIDE OXIME factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Brown glass bottle, 25 grams, tightly sealed with a screw cap, labeled with chemical name, concentration, hazard symbols, and batch details. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for PYRIDINE-4-CARBOXAMIDE OXIME: Safely packed in sealed drums, 20′ FCL maximizes shipment efficiency and product protection. |
| Shipping | PYRIDINE-4-CARBOXAMIDE OXIME is shipped in tightly sealed containers, away from light, moisture, and incompatible substances. Packaging complies with chemical safety regulations, including appropriate hazard labeling. The material is transported under controlled conditions to prevent exposure and contamination, following all relevant shipping and documentation requirements for laboratory chemicals. |
| Storage | Store PYRIDINE-4-CARBOXAMIDE OXIME in a tightly sealed container in a cool, dry, and well-ventilated area, away from heat, ignition sources, oxidizers, and incompatible chemicals. Protect from moisture and direct sunlight. Ensure appropriate labeling and access only to trained personnel. Follow standard laboratory safety protocols and use secondary containment to prevent accidental spills or leaks. |
| Shelf Life | Shelf life: **PYRIDINE-4-CARBOXAMIDE OXIME** is typically stable for 2–3 years when stored in a cool, dry, and sealed container. |
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Purity 99%: PYRIDINE-4-CARBOXAMIDE OXIME with purity 99% is used in pharmaceutical intermediate synthesis, where it ensures high yield and minimal by-product formation. Particle Size <10 μm: PYRIDINE-4-CARBOXAMIDE OXIME with particle size less than 10 μm is used in fine chemical formulations, where it enables rapid dissolution and homogeneous reaction kinetics. Melting Point 210°C: PYRIDINE-4-CARBOXAMIDE OXIME with a melting point of 210°C is used in temperature-sensitive catalytic processes, where it provides thermal stability and consistent reactivity. Moisture Content <0.2%: PYRIDINE-4-CARBOXAMIDE OXIME with moisture content below 0.2% is used in high-purity reagent applications, where it prevents hydrolytic degradation and improves storage lifespan. Stability Temperature 80°C: PYRIDINE-4-CARBOXAMIDE OXIME with stability temperature up to 80°C is used in analytical reference standards, where it maintains chemical integrity during extended testing cycles. Molecular Weight 137.13 g/mol: PYRIDINE-4-CARBOXAMIDE OXIME at molecular weight 137.13 g/mol is used in medicinal chemistry research, where it allows for precise molecular modeling and compound optimization. Assay ≥98%: PYRIDINE-4-CARBOXAMIDE OXIME with assay greater than or equal to 98% is used in agrochemical manufacturing, where it ensures formulation accuracy and active ingredient efficacy. Solubility in DMSO >50 mg/mL: PYRIDINE-4-CARBOXAMIDE OXIME with high solubility in DMSO is used in biochemical assays, where it enables reliable compound delivery and reproducible assay performance. HPLC Purity ≥98%: PYRIDINE-4-CARBOXAMIDE OXIME with HPLC purity at or above 98% is used in API synthesis, where it reduces purification steps and improves final product quality. Residual Solvent ≤0.1%: PYRIDINE-4-CARBOXAMIDE OXIME with residual solvent less than or equal to 0.1% is used in electronic material production, where it prevents contamination and enhances electronic device reliability. |
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There are always a few standout molecules that truly shift the way chemists think about synthesis and research. PYRIDINE-4-CARBOXAMIDE OXIME is one that has made its way to the center of many modern chemical labs, carving a distinction for itself through solid utility, pureness, and repeatable results. In the landscape of pyridine derivatives, this compound sits in its own league, not because it's flashy or new to the world, but because of a combination of stability and application flexibility rarely matched by its cousins.
The structure of this molecule is direct: a pyridine ring holding a carboxamide at the 4-position and a robust oxime group. That might seem simple on paper, but in the world of chemistry, small changes in ring location lead to big changes in performance. The 4-position arrangement brings a different reactivity profile compared to similar substances, such as pyridine-2-carboxamide or unmodified pyridine oximes. Researchers relying on consistent reactivity can count on this precise orientation — something anyone who's spent weeks troubleshooting unspecific reactions will appreciate.
Specifications do matter to researchers who chase purity goals and sharp melting points. PYRIDINE-4-CARBOXAMIDE OXIME commonly appears as a white to off-white crystalline powder, easy to spot in the lab, and reliable from batch to batch. High chemical purity is the expectation, not the exception. In practice, this means less unwanted interference when running the sorts of reactions that can make or break new compound development. Analytical data run from NMR to HPLC and IR bear out what the naked eye sees: a target compound with clear, tidy peaks.
My own work in synthetic organic chemistry always circles back to reliable building blocks. For many, finding intermediates that hold up in tricky conditions is a persistent struggle. One of the most impressive features I've noticed with PYRIDINE-4-CARBOXAMIDE OXIME is the compound’s performance in conditions that put weaker molecules through the wringer. Heat, basic media, slightly acidic media — PYRIDINE-4-CARBOXAMIDE OXIME remains solid. Tap into modern cross-coupling strategies, plug-and-play heterocycle construction, or even complex structural rearrangements, and the oxime function keeps its integrity. As molecular scaffolds go, this one rarely throws a wrench into scaling up reactions.
Researchers exploring coordination chemistry or looking for reliable ligands know the importance of having a compound that refuses to decompose under mild stress. Here, PYRIDINE-4-CARBOXAMIDE OXIME offers a practical option for chelation studies and catalyst design. Many labs aiming for new catalyst platforms begin with ligand screening, and they find that the interaction between the oxime and transition metals yields a broad window of coordination properties. Compounds that fall apart or cross-react at inopportune moments waste weeks of effort and costly materials; with this oxime, that rare sense of security, knowing the intermediate will perform as expected, becomes real.
Pharmaceutical research has no room for surprises, especially when tracking subtle bioactivity across analogues. By offering a reliable core for substitution at both the pyridine ring and the oxime group, PYRIDINE-4-CARBOXAMIDE OXIME enables the generation of libraries with minimal side-product formation. Medicinal chemists need molecules that will handle stepwise modifications without generating unexpected reactivity. In the context of anti-infective or CNS-active compound discovery, this molecule has established itself as a trustworthy starting point for analog design.
Analytical and preparative chemists operating in environmental and forensic science also appreciate PYRIDINE-4-CARBOXAMIDE OXIME. Its distinct chromatographic properties and unique UV-visible absorbance often make it a strong choice for detection standards or method development, where predictable retention and response are essential. Having used it in a teaching context, I’ve witnessed how students new to column chromatography or HPLC can see textbook-level results when working with this compound. No need for repeated “guess-and-check” — the molecule slides through columns with exactness, simplifying what could otherwise become a frustrating experience for newcomers.
In a sea of similar-sounding pyridine oximes and carboxamides, the differences have to be real to matter. PYRIDINE-4-CARBOXAMIDE OXIME distinguishes itself from 2- or 3-substituted analogues by dodging some of the common headaches. Regioisomers located at the 2-position on the ring, for example, often demonstrate less crystallinity or more sensitivity to moisture in air. They may pack into crystals poorly or melt across a wide temperature range, complicating scale-up or purification. By fixing the oxime on the 4-position, this compound dodges both the instability and purification woes that haunt several of its isomers.
Comparing this oxime to plain pyridine carboxamides leaves a similar impression: stability and selectivity gain real advantages. The oxime group introduces nucleophilicity and subtle hydrogen-bonding options, making it far more versatile as a ligand or an intermediate. Experienced chemists know this translates to better results in Suzuki, Heck, or Buchwald-Hartwig couplings — not just in the textbooks, but on the benchtop as trial after trial succeeds under similar conditions.
The simple point: PYRIDINE-4-CARBOXAMIDE OXIME consistently outperforms basic pyridine carboxamides for those aiming at targeted functionality. Its performance shines brightest when modified at other sites, providing a reliable anchor for more demanding synthetic routes common in advanced drug discovery or specialty materials research.
Supply concerns and sudden demand spikes hit the chemical industry hard, especially with compounds increasingly spun into specialized roles. PYRIDINE-4-CARBOXAMIDE OXIME has its share of challenges, as sourcing pure precursors and consistent production runs never become entirely routine. The rise in global demand for specialty pyridine derivatives sometimes puts strain on supply chains, pushing prices upward and slowing R&D timelines. There’s a tangible sense, talking with peers across academic and commercial labs, that long-term partnership with reliable suppliers is less of a luxury and more of a necessity.
Tackling quality control stays front and center. Every batch arriving from a supplier needs rigorous in-house confirmation with NMR analysis, melting point checks, and purity assays using chromatography. Relying on a poor-quality batch can poison weeks of product development, especially as trace impurities react or mask true yields. Seasoned chemists invest time up front to lay down clear reference spectra and test runs. They keep close relationships with trusted sources and remain wary of materials that don’t match up with previous certificates of analysis.
Scaling up from milligrams in the research stage to kilos for pilot plant runs also tests this substance’s reliability. Some chemicals fail to behave at scale because of poor crystal handling or heat transfer issues; PYRIDINE-4-CARBOXAMIDE OXIME’s robust melting profile and low tendency to clump or form hard cakes in drums reduces those scale-up headaches. Still, keeping an eye on lot-to-lot consistency makes a real difference, as even small drifts in hydration or trace impurities can take the shine off otherwise smooth operations.
For sustainability, the way this compound handles in waste streams and decomposition deserves attention. Organic chemists today press hard for greener processes that generate less hazardous byproduct. PYRIDINE-4-CARBOXAMIDE OXIME, because of its moderate solubility profile and clear breakdown under controlled oxidative conditions, suits several closed-loop synthetic setups. You’ll find industry professionals swapping stories about solvent recovery rates and improved yields in stepwise processes that avoid harsh mineral acids or aggressive bases during work-up.
Those of us immersed in small molecule design know that finding a compound that truly scales with a lab’s needs — from bench-top synthesis to upscaled pilot runs — is rare. There is a directness to the way PYRIDINE-4-CARBOXAMIDE OXIME performs. I’ve seen colleagues invest months pursuing promising leads, only to have their core intermediates drop out due to poor shelf life, sensitivity to oxidation, or unreliable reactivity under mild conditions. This molecule, by contrast, stores well in dry, shaded environments, carrying its purity for extended periods. Dust off an old sample and it usually performs just as expected, opening the door to repeatable results months after it was last in use.
Collaboration between academic and industrial chemists often shines a light on what makes a compound indispensable. In joint projects across university consortia and biotech firms, I’ve encountered PYRIDINE-4-CARBOXAMIDE OXIME used as a reference standard, a jump-off point for new ligand libraries, and even a substrate for complicated photoredox transformations. The conversations always circle back to one thing: the knowledge that this compound brings control and confidence where elusive reactivity or physical unpredictability regularly threaten to derail the work.
Instructing young chemists, I see the educational merit of molecules that behave like clockwork. Many teaching labs struggle with compounds that degrade or mutate under standard conditions, leading to headaches for both instructors and students. PYRIDINE-4-CARBOXAMIDE OXIME bridges the gap between theoretical chemistry and hands-on experimentation. Straightforward handling and a sharp melting point give learners clear visual cues; clean reactivity confirms classroom discussions about specific substitution patterns on aromatic heterocycles. For research instructors building summer courses or upper-division synthesis labs, introducing reliable molecules like this one saves time and protects budgets from costly do-overs.
For chemists focused on diagnostics or analytical development, the molecule’s distinct spectroscopic fingerprints offer a practical touchstone. NMR and IR spectra display telltale signals, easy to assign even in crowded mixtures, making method validation more transparent. The impact of this clarity plays out as more reproducible results, more robust publications, and greater trust in compiled datasets. Peers working on chemical informatics projects have cited this very compound as a textbook example of effective database fingerprinting, fostering cross-project reproducibility.
Although PYRIDINE-4-CARBOXAMIDE OXIME shows a long track record with classical routes—ligand development, intermediate for bioactive analogs, and analytical standards—creative minds keep expanding its domain. Some materials scientists use it in constructing heteroatom-rich polymer backbones, taking advantage of its oxime and amide moieties to introduce sites for further modification. Others venture into photochemistry or electrochemistry, leveraging its stability in solution and availability of distinct redox states. The compound's ability to form stable complexes with transition metals even lets researchers play at the intersection of inorganic and organic chemistry, creating catalytic systems for both industrial and fine-chemical transformations.
One reason for the molecule’s staying power in research is its accessible cost combined with a record of successful synthesis. In talking to procurement specialists, I learned that the upstream manufacture rarely faces the dramatic swings in raw input prices that plague other specialty heterocycles. Its starting materials are mature, well-characterized, and less volatile in the supply chain, which means research groups with modest budgets can plan projects without worrying about mid-project shortages or price shocks. Years of experience in university and national lab settings have convinced me that such predictability is no small asset.
On paper, PYRIDINE-4-CARBOXAMIDE OXIME might look like just another bench chemical. But personal experience and peer-reviewed citations point to a different reality. Chemistry is an experimental science, where the gap between theory and application either closes or widens on the reliability of your reagents. For a lab working on high-throughput screening, one contaminated intermediate can set back an entire compound library; for another scaling up a novel material, fluctuation in melting point or solubility might undermine months of pilot-scale optimization. In long-term storage, failure to prevent moisture ingress with lesser oximes often leads to slow degradation — lost time, lost money, lost opportunity. Working with this compound, stability out of the bottle becomes the rule, not the exception.
Seasoned chemists know that achieving traceable quality depends not only on source selection but on vigilant QC. Many labs store historical reference data — melting points, retention factors, NMR spectra — to benchmark new batches against records. Maintaining these snapshots prevents lab drift and secures consistent output between different experimental lots. That process, drilled into me in my first research group, saves both frustration and budget overruns, particularly in grant-driven projects where waste is not an option.
With the drive to produce more targeted and effective pharmaceutical and materials solutions, molecules like PYRIDINE-4-CARBOXAMIDE OXIME will keep playing an outsized role. Its clear, well-understood reactivity provides a solid baseline for exploring new chemical space without introducing wildcards. Every year, as analytical tools evolve, new patterns in bioisosterism and selective ligand coordination crop up in published work, often with this very compound in the supporting information.
Those chasing efficiency in laboratory and industrial settings keep this oxime in rotation as a workhorse. Whether it’s powering advanced coordination complex screening, refining chromatography methods for trace detection, or acting as a platform for rapid analogue generation, its place is assured by a record of practical reliability. For institutions and companies betting on next-generation therapies or sustainable catalyst design, that reliability isn’t just a virtue; it's a cornerstone for research that actually reaches the market.
Facing the realities of chemical research in ever-changing regulatory and economic climates, selecting building blocks that don’t surprise you down the line makes all the difference. Lessons gathered from years in the field, many hands-on trials, and countless reviews of published protocols all anchor one belief about PYRIDINE-4-CARBOXAMIDE OXIME: it represents an intersection of affordability, repeatable performance, manageable logistics, and diverse potential.
As someone who has seen promising ideas stall from unreliable intermediates, I recognize the value in building projects on dependable molecules. The work is never only about raw results; it draws on the peace of mind that your foundational compounds will continue to serve, batch after batch, without quirks or hidden problems. In that respect, PYRIDINE-4-CARBOXAMIDE OXIME has earned its standing not by accident, but through years of proven, hands-on contributions across countless chemical innovations.