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HS Code |
779442 |
| Iupac Name | 4-Aminopyridine-2-carboxylic acid |
| Cas Number | 5865-83-4 |
| Molecular Formula | C6H6N2O2 |
| Molar Mass | 138.12 g/mol |
| Appearance | Off-white to light yellow solid |
| Melting Point | 258-262 °C (decomposes) |
| Solubility In Water | Slightly soluble |
| Pka | Pyridine N atom ~5.0; Carboxyl ~2.4 |
| Smiles | C1=CC(=NC=C1N)C(=O)O |
| Inchi | InChI=1S/C6H6N2O2/c7-4-1-2-5(6(9)10)8-3-4/h1-3H,7H2,(H,9,10) |
| Pubchem Cid | 11222208 |
| Synonyms | 4-Amino-2-pyridinecarboxylic acid; 4-Aminopyridine-2-carboxylic acid |
| Logp | -0.22 (estimated) |
As an accredited 2-Pyridinecarboxylic acid, 4-amino- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a sealed 25g amber glass bottle labeled "2-Pyridinecarboxylic acid, 4-amino-", with hazard and handling instructions. |
| Container Loading (20′ FCL) | 20′ FCL container typically loads 13–14 MT of 2-Pyridinecarboxylic acid, 4-amino-, packed securely in drums or bags. |
| Shipping | 2-Pyridinecarboxylic acid, 4-amino- is shipped in tightly sealed, chemical-resistant containers, protected from moisture and direct sunlight. Packaging complies with local and international chemical transport regulations. Handling precautions include labeling for laboratory use only, and the package may require documentation for safe transport and hazard communication, ensuring safe and secure delivery. |
| Storage | Store **2-Pyridinecarboxylic acid, 4-amino-** in a tightly sealed container in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers. Protect from moisture, heat, and direct sunlight. Ensure proper labeling and access for authorized personnel only. Use personal protective equipment when handling, and follow all relevant safety guidelines and local regulations for chemical storage. |
| Shelf Life | 2-Pyridinecarboxylic acid, 4-amino- typically has a shelf life of 2-3 years when stored tightly sealed in a cool, dry place. |
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Purity 98%: 2-Pyridinecarboxylic acid, 4-amino- with purity 98% is used in pharmaceutical intermediate synthesis, where it ensures high-yield and reduced byproduct formation. Melting point 221°C: 2-Pyridinecarboxylic acid, 4-amino- with a melting point of 221°C is used in solid formulation development, where it provides thermal stability during processing. Particle size <10 μm: 2-Pyridinecarboxylic acid, 4-amino- with particle size less than 10 μm is used in catalyst preparation, where it allows for increased surface area and improved reactivity. Stability up to 120°C: 2-Pyridinecarboxylic acid, 4-amino- with stability up to 120°C is used in polymer modification, where it maintains structural integrity under moderate thermal conditions. Low residual solvent <0.05%: 2-Pyridinecarboxylic acid, 4-amino- with low residual solvent content below 0.05% is used in active pharmaceutical ingredient production, where it minimizes contamination risk. Moisture content <0.2%: 2-Pyridinecarboxylic acid, 4-amino- with moisture content less than 0.2% is used in chemical sensor fabrication, where it enhances shelf-life and sensor accuracy. Assay ≥99%: 2-Pyridinecarboxylic acid, 4-amino- assay at or above 99% is used in research reagent preparation, where it guarantees consistency in analytical results. UV absorbance (λmax 280 nm): 2-Pyridinecarboxylic acid, 4-amino- with UV absorbance at λmax 280 nm is used in spectroscopic analysis studies, where it allows for precise quantitative measurements. |
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The world of chemicals often feels distant and sterile, but 2-Pyridinecarboxylic acid, 4-amino- presents an interesting case that brings science a bit closer to home. Sitting quietly on many laboratory shelves, this compound plays a role that goes far beyond its dry name. Scientists and researchers who work with it know that the tiniest differences in structure can mean the world for their outcomes, and 2-Pyridinecarboxylic acid, 4-amino- carves out a special place thanks to its particular attributes.
In my own time working within chemical research, I've seen the reliance on clarity and reliability. You often spend hours searching for exactly the right reagent to carry a synthesis or analysis over the finish line. A mistake at this point—selecting the wrong grade, an unexpected impurity, or a misunderstood difference in structure—can cost weeks of work and plenty of budget. What sets 2-Pyridinecarboxylic acid, 4-amino- apart is its blend of purity and versatility, offered in forms researchers can trust to deliver consistent results, not just in academic experiments but also for those in pharmaceutical, agrochemical, and industrial settings.
Chemists often make choices based on structure, and the unique arrangement of this pyridine derivative shows why such care matters. 2-Pyridinecarboxylic acid forms the base, and the placement of an amino group at the 4-position influences both reactivity and selectivity. This subtle distinction sets it apart from its isomers—shift the amino or carboxy group even slightly on the ring, and the chemical behavior in a reaction can change dramatically. I remember running parallel syntheses in the lab with the 3-amino isomer, and the difference in product yields was enough to make a believer of anyone who doubts the impact of small structural tweaks.
This focus on structure echoes across research that relies not just on getting reactions to run, but on controlling the formation of intermediates. 2-Pyridinecarboxylic acid, 4-amino- offers a unique balance—its amino group serves as a partner for coupling reactions or transformations while the carboxylic acid moiety makes it easy to form salts, esters, or amides. This dual utility aids in the development of advanced intermediates for many pharmaceutical and bioactive compounds.
Anyone who has handled laboratory chemicals knows that not all bottles labeled with the same compound are created equal. Quality influences what can actually be achieved. With 2-Pyridinecarboxylic acid, 4-amino-, researchers often seek a product with high purity—above 98% in most reputable suppliers—for synthetic predictability. Trace contaminants, left unchecked, can complicate results and even introduce artifacts in analytical chemistry settings. Purity is no mere checkbox feature; it separates a straightforward synthesis from a frustrating mess of by-products.
The physical form matters just as much. A well-prepared batch arrives as a free-flowing solid, usually pale to light brown, making it simple to weigh—no caked lumps or sticky clumps that refuse to dissolve. Moisture content stays low, often less than 0.5%, to ensure reliable solubility and reactivity. This sort of attention to detail brings peace of mind when mixing media, solvents, or buffers, whether in a research university’s lab or a high-volume production facility.
Why does all this matter? At its heart, chemistry is about turning materials into something with greater value. 2-Pyridinecarboxylic acid, 4-amino- finds itself at home in a stack of reactions. It's a popular choice for developing ligands in coordination chemistry, a field crucial for making precision catalysts as well as diagnostic agents. In medicinal chemistry, this compound steps up as an intermediate in the synthesis of molecules with potential antiviral, antibacterial, or anti-inflammatory properties.
It’s not all about drug discovery, either. Agrochemical researchers often gravitate toward molecules offering reliable functional groups for modifying crop-protection agents designed for improved selectivity and reduced toxicity. Having worked with project leads aiming to fine-tune pesticide formulations, I know firsthand how the stability and predictability of a building block like 2-Pyridinecarboxylic acid, 4-amino- contribute to cleaner final products and smoother regulatory approval down the line.
Stack this compound next to others—be it its meta- or ortho-substituted cousins or even broader classes of pyridine derivatives—and subtleties appear that affect daily workflows. The placement of functionalities within the molecule tweaks acidity, reactivity, and even water solubility. That small change can dictate whether a reaction proceeds swiftly or grinds to a halt, whether downstream purification is simple or harrowing.
People running parallel screens know that using a 3-carboxy or 5-amino variant instead can completely shuffle outcomes in medicinal screens or material science applications. For some projects, this means the difference between identifying a lead compound and running into a wall of inactivity.
Other available chemicals sometimes win favor for lower cost or ready availability. Still, in my years working across teams focused on specialty compounds, the steadiness of results matters more than shaving a fraction off the cost per gram. Product recalls or failed scale-ups lead to more headaches and loss than an initial higher outlay. Chemists invested in clean data come back for dependable grades with documented purity, identity, and performance.
I recall the challenge of sourcing this compound for a medicinal chemistry program where trace metals or extraneous amines would jeopardize sensitive catalysis. After reviewing supplier transparency, certificates of analysis, and real-world experience gathered from colleagues, we narrowed our scope to those offering not just HPLC traceability, but also batches backed by solid documentation. This kind of diligence, rooted in hard-won experience, saves trouble and expense in both research and production.
Some suppliers go further by including analysis for heavy metals, residual solvents, and even optical purity if relevant. While some labs might overlook such detail, serious investigators know that peace of mind in this regard prevents long-term setbacks. Selecting the right source doesn't only provide a chemical; it fosters a relationship where questions or concerns find clear answers.
Every researcher can share stories of wasted weeks on odd results traced back to trace impurities. Using high-purity 2-Pyridinecarboxylic acid, 4-amino- mitigates such risks, freeing teams to spend time on the science that matters. This lets them focus on optimizing reaction conditions, scaling up production, or even filing intellectual property based on robust, reproducible work.
The significance of choosing quality doesn't just impact the bench. It reaches into the archives of peer-reviewed literature and the annals of regulatory paperwork. In the increasingly interconnected world of science, a slip in quality control can ripple far beyond the lab. Savvy buyers recognize this and treat sourcing as more than just a transaction. Every lot chosen acts as a partner in the pursuit of good science and trustworthy products.
Reliable access to 2-Pyridinecarboxylic acid, 4-amino- isn’t always a given. At times, geopolitical issues disrupt supply chains, and natural disasters hit key manufacturing regions, which leads to unpredictable lead times—sometimes weeks longer than expected. Even for a seasoned purchaser, such disruptions threaten timelines and milestones.
I've navigated supply turbulence by maintaining a short list of trusted vendors, but even that doesn't shelter one from volatility across raw material sources. Price swings and sudden shortages force some research groups to delay critical experiments or scramble for alternatives. The pressure to keep moving, especially when managing grant budgets or product launch windows, makes stable chemical access an operational priority.
Establishing clearer communication between buyers and suppliers forms part of the solution. Many labs benefit from early warning of production delays or batch inconsistencies, rather than learning about disruptions days before a critical step. Setting up standing orders and collaborating with multiple suppliers can also help companies weather unexpected changes. More suppliers are now investing in digital inventory tracking, transparency about batch histories, and clear technical support channels—steps that improve resilience all around.
Responsible sourcing doesn’t just refer to purity or paperwork. Chemical manufacturing and handling raise safety and environmental concerns that laboratories and companies can’t afford to ignore. In my early years, I saw colleagues wrestle with outdated safety data and ambiguous waste management guidance. Today, conscientious suppliers furnish robust safety data, including recommendations for disposal, ensuring that technicians and researchers meet regulatory requirements and minimize environmental burden.
Sustainable operations have become more than a talking point. High-grade 2-Pyridinecarboxylic acid, 4-amino- manufactured under green chemistry principles—minimizing waste, limiting use of hazardous reagents, and maximizing atom efficiency—offers teams a pathway to reduce their environmental impact. I know many labs that prioritize such criteria, incentivizing suppliers to pursue cleaner, safer synthesis and transparent ESG (environmental, social, and governance) reporting.
So much progress in life sciences and industry rests on the availability of key intermediates. 2-Pyridinecarboxylic acid, 4-amino- stands as an enabler for both early-stage discovery and late-stage process development. Pharmaceutical scientists looking for flexible, functionalized building blocks find it allows for the quick assembly of complex molecules, such as kinase inhibitors or anti-infective agents.
Not every success reaches a headline, but the stepping stones formed by reliable intermediates drive forward progress in medicine, diagnostics, and material development. Academics and entrepreneurs alike depend on steady quality to move beyond the theoretical and start solving real-world problems.
One reason this compound keeps its foothold in both academic and industrial settings: published literature underpins its value. Studies published across pharmaceutical chemistry, catalysis, and agricultural research show its efficacy in constructing N-heterocycles, modifying aromatic systems, and building conjugates for advanced materials. Projects from global research teams often share a throughline: whenever results hang on a reliable intermediate, consistent batches of 2-Pyridinecarboxylic acid, 4-amino- keep projects moving.
Case in point: in 2023, a multicenter study on bioactive compound screening identified derivatives based on 2-Pyridinecarboxylic acid, 4-amino- as hits across two therapeutic classes. The research underscored a familiar point—substituted pyridine carboxylic acids outperformed simple pyridine analogs in both binding affinity and selectivity, reinforcing the compound’s unique profile.
No single chemical or technology addresses every challenge. In working with 2-Pyridinecarboxylic acid, 4-amino-, scientists and suppliers continue learning. Innovations in purification and detection are helping improve purity and trace analysis. Better digital platforms make batch histories and regulatory data more accessible, reducing risk for users working in regulated environments.
Cross-disciplinary collaboration offers more solutions than siloed work. Chemists reach out to engineers, environmental managers, and quality assurance specialists to design safer processes and more sustainable workflows. Technology like NMR and high-resolution mass spectrometry, once confined to specialty facilities, now appears earlier in the research pipeline, confirming compound identity and flagging contaminants that could impact reliability.
Greater transparency and continual feedback from experienced end-users help keep product development focused on real-world needs. Regular forums, both within institutions and at industry events, let chemists share pain points and best practices, keeping the spotlight on meaningful improvements rather than the status quo.
In all, 2-Pyridinecarboxylic acid, 4-amino- doesn’t just fill a catalog entry—it acts as a dependable tool for researchers, process engineers, and product developers. Its specific structure and reliable quality sharpen the performance of everything from new medicines to specialty materials. Users counting on consistent, traceable outcomes gain a partner for ambitious projects, while those prioritizing sustainability find suppliers willing to document cleaner, safer production.
Looking back over years spent choosing, using, and troubleshooting chemicals, I’ve learned the value of clarity: know your source, verify your batch, and invest in products that deliver what the label promises. No one chemical builds success alone, but 2-Pyridinecarboxylic acid, 4-amino- keeps proving its mettle as an essential building block. Teams who treat sourcing as a strategic decision—not just a procurement line—place themselves ahead, both in innovation and in day-to-day workflow.
No matter the project—be it a complex synthesis, a medicinal screening campaign, or a new approach to crop protection—the right intermediate serves as both shield and engine. Drawing on laboratory know-how, trusted data, and real test results ensures that the foundation holds strong, even as science keeps pushing forward.