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HS Code |
498953 |
| Product Name | 4-Chloropyridine-2-carboxamide |
| Purity | 98% |
| Cas Number | 79983-71-4 |
| Molecular Formula | C6H5ClN2O |
| Molecular Weight | 172.57 g/mol |
| Appearance | White to off-white solid |
| Melting Point | 197-201°C |
| Solubility | Slightly soluble in water |
| Boiling Point | No data available, compound decomposes |
| Storage Conditions | Store at room temperature, keep container tightly closed |
| Smiles | C1=CN=C(C=C1Cl)C(=O)N |
| Inchi | InChI=1S/C6H5ClN2O/c7-5-2-1-4(3-9-5)6(8)10/h1-3H,(H2,8,10) |
| Synonyms | 4-Chloro-2-pyridinecarboxamide |
As an accredited 4-Chloropyridine-2-carboxamide 98% factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for 4-Chloropyridine-2-carboxamide 98%, 25g: sealed amber glass bottle with hazard label, screw cap, and product information. |
| Container Loading (20′ FCL) | 20′ FCL: Securely packed 4-Chloropyridine-2-carboxamide 98% in sealed drums or bags, maximizing space, moisture, and contamination protection. |
| Shipping | 4-Chloropyridine-2-carboxamide 98% is shipped in tightly sealed containers under standard chemical transport regulations. It is packaged to prevent moisture and contamination, ensuring product integrity. Shipping includes appropriate labeling and documentation, with handling guidelines provided for safe storage and transit, typically dispatched via ground or air freight depending on destination and urgency. |
| Storage | 4-Chloropyridine-2-carboxamide 98% should be stored in a tightly sealed container, away from moisture and direct sunlight, in a cool, dry, well-ventilated area. Keep it at room temperature and separate from incompatible substances such as strong oxidizers. Ensure proper labeling and restrict access to trained personnel. Always follow relevant safety and chemical storage guidelines. |
| Shelf Life | 4-Chloropyridine-2-carboxamide 98% typically has a shelf life of 2 years when stored in a cool, dry, and sealed container. |
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Purity 98%: 4-Chloropyridine-2-carboxamide 98% is used in pharmaceutical intermediate synthesis, where high purity ensures reliable reaction efficiency. Melting point 170-174°C: 4-Chloropyridine-2-carboxamide 98% is used in solid-state formulation studies, where a defined melting range guarantees reproducible processing conditions. Molecular weight 172.58 g/mol: 4-Chloropyridine-2-carboxamide 98% is used in analytical standard preparation, where precise molecular weight allows for accurate quantification in HPLC assays. Low residual solvents: 4-Chloropyridine-2-carboxamide 98% is used in active pharmaceutical ingredient (API) development, where low residue levels contribute to high product safety and quality. Fine particle size <100 μm: 4-Chloropyridine-2-carboxamide 98% is used in catalyst screening libraries, where fine particles support optimal dispersion in reaction mixtures. Stability temperature up to 60°C: 4-Chloropyridine-2-carboxamide 98% is used in extended storage conditions, where thermal stability maintains chemical integrity over time. Water solubility 0.5 g/L: 4-Chloropyridine-2-carboxamide 98% is used in aqueous formulation systems, where moderate solubility enables uniform blending without precipitation. |
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Stepping into any well-equipped research lab or modern pharmaceutical company, you will spot a distinct need for high-purity, consistently-performing chemicals. 4-Chloropyridine-2-carboxamide 98% stands out for chemists who value both performance and reliability. Packing a 98% purity punch, this compound answers the call for precision in demanding synthetic routes. In the world of specialty chemicals, purity matters—impurities skate by undetected in some settings, but advanced research often reveals the havoc they can stir. With 4-Chloropyridine-2-carboxamide at this level of purity, issues triggered by trace contaminants scale down dramatically.
Chasing complex molecular targets, I’ve often found that small changes—like a chlorine atom at the right position—reshape a molecule’s reactivity. 4-Chloropyridine-2-carboxamide, with its chlorine at the four position and a carboxamide group at the two, serves as a flexible building block. Researchers recognize its potential as a precursor for synthesizing pharmaceuticals, agricultural chemicals, and advanced materials. The carboxamide’s presence invites further manipulation, from acylation to condensation, and the chloropyridine core plays well in coupling reactions.
During medicinal chemistry campaigns, we seek core fragments with room for change. 4-Chloropyridine-2-carboxamide fits this path; I’ve partnered it with Suzuki or Buchwald-Hartwig couplings, taking advantage of that reactive chlorinated ring. Compared with less functionalized pyridines, the chlorine on the fourth carbon adds both challenge and flexibility. At 98% purity, unwanted side products won’t surprise you during late-stage synthetic steps. That’s crucial for reproducibility, especially during scale-up or regulatory submission.
There’s something both reassuring and invigorating about opening a reagent bottle and knowing what’s inside. High-purity samples of 4-Chloropyridine-2-carboxamide translate directly into cleaner spectra, more predictable reaction outcomes, and smoother troubleshooting. In my experience, skipping over these basics often means chasing ghosts—a mild impurity can scramble whole batches or survive into crystallization steps. Analytical teams also spend less time tracking down contamination origins when the raw chemical delivers as promised.
Testing purity by standard methods—HPLC, GC-MS, or NMR—confirms that this compound reaches the 98% threshold. Each lot offers the peace of mind that comes from robust quality control, saving researchers time otherwise chewed up by doubt. In academia, those checks can look like a luxury; in the pharmaceutical sector, they can mean the difference between regulatory approval and expensive setbacks.
Pyridine derivatives crowd the research shelves, but 4-Chloropyridine-2-carboxamide’s specific structure pulls it away from the generic pile. The chlorine atom makes it more reactive than unsubstituted pyridines or analogs chlorinated elsewhere. Alternative compounds—perhaps 2-chloropyridine-4-carboxamide or 3-chloropyridine-2-carboxamide—shift electronic density around the ring, changing how and where further reactions take place. That subtlety shapes selectivity and can help cut synthesis steps or boost reaction yields.
Comparing to lower-purity or industrial-grade variants, the 98% version blocks fewer impurities from sneaking into delicate downstream chemistry. Fewer contaminants mean fewer rogue peaks in spectra, more dependable intermediates, and reduced purification headaches. I’ve learned to respect those margins: what seems like a minor purity bump actually has big implications during scale-up, where each contaminant complicates waste streams and regulatory filings.
4-Chloropyridine-2-carboxamide 98% remains a staple in many medicinal chemistry playbooks. The pharmaceutical industry has an appetite for pyridine-scaffold drugs, relying on these frameworks for stability, bioavailability, and metabolic resilience. I’ve worked with scientists who harness this building block as part of heterocyclic libraries, screening for antimicrobial, anti-inflammatory, or anticancer activity. A well-designed pyridine core often pulls its weight across several lead compounds, thanks to its ability to engage biological targets without rapid breakdown.
Beyond pharma, agrochemical researchers count on it for the synthesis of fungicides or herbicides. The amide side chain can anchor a range of modifications, letting chemists tune solubility or selectivity. Using a compound at the 98% purity level supports scale-up with confidence; unexpected breakdowns and toxic by-products remain much less frequent when starting from such a well-defined precursor.
Material scientists have found creative roles for this compound. Specialty pigments, corrosion inhibitors, and complex ligands grow from the reactivity found in this molecule. The robust purity assures that experiments on electrical conductivity, coordination chemistry, or polymerization don’t stray from the intended path.
Sustainable development pushes researchers to cut waste, lower hazard profiles, and raise compliance bars. Starting with high-purity reagents like 4-Chloropyridine-2-carboxamide 98% tightens control over by-products. That reduces cleanup steps, translating to smaller solvent loads and safer working conditions. My previous teams learned to prioritize such inputs during eco-audits; those details can move a process from “interesting” to “viable” in the eyes of regulatory bodies or environmental review boards.
Meeting international standards requires solid records about reagent properties and origins. High-purity products simplify the documentation trail and keep compliance officers from circling back to track contamination risks. If you’ve ever watched a major batch grind to a halt because of contamination, you’ll appreciate the value of pure starting points.
Research teams think about more than just reactivity—they need chemicals that store well and behave predictably under handling. Experience shows that 4-Chloropyridine-2-carboxamide at 98% stands up to typical laboratory and warehouse conditions, holding its purity for reasonable time frames if stored away from light and humidity. Less pure batches occasionally degrade more quickly, leading to frustrating reliability issues down the line. By sticking with a trusted high-purity product, those shelf life surprises stay rare.
Documentation from reputable suppliers underscores the importance of good packing materials and proper sealing. A dry, well-capped bottle stored at ambient temperatures usually preserves this compound’s integrity long enough for most research cycles. Chemists appreciate not getting caught out by jars whose labels overpromise and underdeliver—a reality that saves time, money, and repeat orders for projects running on tight deadlines.
Scaling chemistry from flask to industrial plant flags problems that academic work doesn’t always highlight. Small-scale reactions in test tubes mask the complications of processing kilograms per day with variable raw materials. Sourcing 4-Chloropyridine-2-carboxamide at 98% gives process chemists a stable platform for scaling reactions. We’ve seen teams struggle to optimize everything from filtration efficiency to crystallization protocols when starting with less-than-ideal grades. Having a sharp, clean chemical streamlines batch reproducibility, especially in automated or continuous-flow setups.
Consistency matters even more when industrial teams need to hit contractual quality standards. High-purity lots of this compound minimize downstream purification, lower waste disposal costs, and head off regulatory snags that might otherwise derail delivery schedules. Over the years, I’ve noticed that companies committed to repeat business specify 98% or even higher for this reason.
Research and process chemists know the headache of repeated optimization trials, many of them driven by batch-to-batch differences in starting materials. With 4-Chloropyridine-2-carboxamide 98%, planning moves faster. A reliable supply means teams can test new synthetic routes or alternative coupling partners without worrying that small impurities introduce artifacts.
That level of confidence lets researchers tweak catalysts, solvents, and reaction times using comparable starting points. Over hundreds of experimental runs, both efficiency and innovation improve when you spend less time troubleshooting unexplained failures rooted in inconsistent input.
Safe chemical research ties into worker health, product stewardship, and the long-term impact on the planet. Using clean, well-characterized chemicals matters for all three concerns. With 4-Chloropyridine-2-carboxamide 98%, you know what’s present at the start, which makes hazard assessment both simpler and more accurate. Unidentified impurities in lower-purity material can introduce new risks—unplanned toxicity, new odors, or complicated ventilation requirements.
Safe handling protocols still apply, but fewer unknowns mean health and safety teams can write clearer procedures. I’ve been in facilities where mixed-purity inputs led to extra air monitoring or PPE—even if those measures catch everything, they slow work and add costs. On the environmental side, fewer waste by-products and a lower incidence of off-specification batches reduce the landfill burden. High-purity reagents, even at slightly higher upfront cost, often trim the total environmental footprint after accounting for all these factors.
Advances in research often build on the backbone of reliable basics. Reliable 4-Chloropyridine-2-carboxamide 98% encourages more confident innovation, letting teams push boundaries in medicinal chemistry, crop protection, and materials science. Having a well-characterized, reproducible compound opens the door to bold ideas—complex syntheses, high-throughput screening, or exploratory routes that demand solid fundamentals.
Colleagues remember the pain of failed syntheses that trace back to off-spec materials. They now bring greater rigor to their compound sourcing, insisting on 98% purity for pivotal steps. Methods advance, but they still depend on having honest, traceable, and trustworthy reagents at the beginning.
Procurement managers balance cost constraints against the long-term savings of higher-quality inputs. Dollar for dollar, some may gravitate toward cheaper, lower-purity supplies. My own experience emphasizes the hidden costs that follow—reruns, lost product, and downtime all eat away at project budgets. Starting with 4-Chloropyridine-2-carboxamide at 98% gives a more predictable project timeline and less rework. Over time, the cost delta narrows and then disappears as failed batches and troubleshooting decrease.
Contract manufacturing also benefits. Chemists negotiating contracts and delivery terms often find that specifying 98% purity improves margins in the long run. Fewer rejections, less waste, and smoother regulatory audits add up, both for the supplier and the buyer.
Not all suppliers offer 98% 4-Chloropyridine-2-carboxamide; some opt for lower grades to capture low-cost markets. The difference shows up fast under scrutiny. Lower-purity batches sometimes harbor colored contaminants, which muddy analytical tests, or non-volatile residues that crop up during crystallization. In one project, using a different supplier meant an entire HPLC method required revalidation—a hidden delay that nobody appreciated.
Looking at other substituents, such as fluorine or nitro groups, the reactivity often spirals in new directions. Chlorine’s placement at the four position delivers a balance—enough electron withdrawal to enable cross-coupling but not so much as to make the ring unmanageable. The carboxamide side chain, similarly, opens options for further derivatization; chemists needing versatility find it here, as altering this handle quickly generates analog libraries.
Stakeholders from bench researchers up to senior procurement value transparency in sourcing. 4-Chloropyridine-2-carboxamide 98% from dependable suppliers includes technical data sheets, thorough batch certificates, and full disclosure of testing methods. Researchers stay in the loop regarding shelf life, polymorphs, or any batch anomalies right up front. This approach reduces the likelihood of batch recalls or out-of-spec shipments that would otherwise slow research cycles.
Transparency breeds confidence. Over months or years of use, this consistency wins suppliers repeat business and helps research teams plan with less guesswork. Issues get flagged and solved before they compound into larger downstream costs or scientific setbacks.
Academic labs lean heavily on cost-effective, high-quality reagents. Teaching advanced synthesis or supporting graduate research, professors look for chemicals with proven reliability. My students reported smoother progress on thesis projects using 4-Chloropyridine-2-carboxamide 98%, as their first steps produced predictably clean products. This foundation allowed them to focus energy on new reactions or mechanisms rather than endless troubleshooting of inconsistencies.
Collaborative research—grants or multi-institutional projects—also benefits from common high-purity standards. Results become reproducible, data sets line up, and group meetings shift from explaining outlier results to discussing genuine breakthroughs.
The role of 4-Chloropyridine-2-carboxamide 98% grows as new research avenues open. Emerging techniques in automated synthesis, flow chemistry, and machine learning for reaction optimization all benefit from clean, well-documented inputs. As chemists chart new routes to target compounds or expand high-throughput assays, demand for known, consistent reagents will only rise.
An investment in quality at the foundation builds better outcomes—more reliable screening hits, faster process development, and fewer wasted cycles. My journey in chemistry repeatedly circles back to this point: working with dependable, well-characterized chemicals pays off in both scientific progress and peace of mind. For those striving to innovate or maintain quality, 4-Chloropyridine-2-carboxamide 98% stands as a reliable mainstay—a launching pad for tomorrow’s discoveries.