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HS Code |
313488 |
| Product Name | 5-Fluoro-2,3-diaminopyridine |
| Cas Number | 24729-94-0 |
| Molecular Formula | C5H6FN3 |
| Molecular Weight | 127.12 g/mol |
| Appearance | Off-white to pale yellow solid |
| Melting Point | 98-102°C |
| Purity | Typically >98% |
| Solubility | Soluble in DMSO and methanol |
| Storage Conditions | Store at 2-8°C, protected from light |
| Smiles | c1c(cnc(c1F)N)N |
| Synonyms | 5-Fluoro-2,3-pyridinediamine |
| Hazard Statements | May cause skin and eye irritation |
As an accredited 5-Fluoro-2,3-diaminopyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White polyethylene bottle, tightly sealed with a screw cap, containing 25 grams of 5-Fluoro-2,3-diaminopyridine, labeled with hazard and product information. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for 5-Fluoro-2,3-diaminopyridine: Typically 8–10 metric tons packed in securely sealed, UN-approved fiber drums or cartons. |
| Shipping | 5-Fluoro-2,3-diaminopyridine is shipped in tightly sealed containers, protected from moisture and light. It is classified as a laboratory chemical and should be packaged according to standard regulatory guidelines (e.g., UN, IATA, DOT). Appropriate hazard labels and safety documentation are provided to ensure safe and compliant transportation. |
| Storage | 5-Fluoro-2,3-diaminopyridine should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at 2–8°C (refrigerated). Avoid exposure to incompatible substances such as oxidizing agents. Ensure the storage area is clearly labeled and complies with relevant chemical safety regulations. |
| Shelf Life | 5-Fluoro-2,3-diaminopyridine should be stored tightly sealed, protected from light and moisture; shelf life is typically 2 years. |
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Purity 98%: 5-Fluoro-2,3-diaminopyridine with a purity of 98% is used in pharmaceutical intermediate synthesis, where it ensures high reaction yield and product consistency. Melting Point 150°C: 5-Fluoro-2,3-diaminopyridine featuring a melting point of 150°C is used in organic electronic material development, where it enhances thermal stability during processing. Particle Size <50 µm: 5-Fluoro-2,3-diaminopyridine with a particle size less than 50 µm is used in advanced catalyst formulation, where it provides improved dispersion and catalytic efficiency. Solubility 25 mg/mL (DMSO): 5-Fluoro-2,3-diaminopyridine with solubility of 25 mg/mL in DMSO is used in medicinal chemistry screening libraries, where it allows convenient solution preparation and accurate dosing. Stability Up to 40°C: 5-Fluoro-2,3-diaminopyridine with stability up to 40°C is used in chemical storage for research laboratories, where it maintains integrity under extended room temperature storage. Assay ≥99% (HPLC): 5-Fluoro-2,3-diaminopyridine with an assay of ≥99% by HPLC is used in high-purity research-grade reagents, where it minimizes impurities and ensures experimental reliability. Moisture Content <0.5%: 5-Fluoro-2,3-diaminopyridine with moisture content below 0.5% is used in solid-phase peptide synthesis, where low moisture prevents hydrolytic degradation and improves product yield. |
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There’s always something a little captivating about opening a new bottle in the research lab. Out comes the label: 5-Fluoro-2,3-diaminopyridine. To anyone who’s had their hands on chemical syntheses or dabbled in medicinal chemistry, that name says a lot in a breath. Years ago, I watched a veteran chemist pause before weighing out this compound — not out of uncertainty, but respect for a reagent that truly widens the toolkit. So, just what sets this molecule apart? Why does it catch the attention of those who work at the interface of innovation and practicality?
At first glance, 5-Fluoro-2,3-diaminopyridine might look modest: a pyridine ring, two neighboring amines, and a fluorine perched on the fifth carbon. Chemists love these substitutions for good reason. That tightly placed fluorine brings electrostatic flair, fine-tuning reactivity in ways that many plain pyridine derivatives can’t match. The two adjacent amines open doors for building up more complex molecules, especially when exploring new routes in drug discovery or specialty materials. Speaking for myself, these structural quirks breathe life into otherwise tired synthetic strategies, letting projects move in refreshing directions.
In the business of molecular construction, details demand attention. Product grade and purity influence every choice, especially once a project heads toward scale-up or regulatory review. With 5-Fluoro-2,3-diaminopyridine, buyers tend to look for guidance from reputable suppliers about the purity, particle size, and certification. Labs chasing a clean reaction often rely on >98% purity to avoid the hassle of purification. This isn’t obsession with minutiae, but a lesson earned by many a sluggish or low-yielding experiment. High-quality batches save time, money, and the patience of graduate students everywhere.
Synthetic chemists often have a clear use in mind for their materials. Still, the reach of 5-Fluoro-2,3-diaminopyridine goes beyond classic reaction flasks. Medicinal chemists gravitate toward it for one reason: the fluorine atom tweaks molecular properties in drug leads, altering metabolic resistance and boosting binding to biological targets. There’s nothing abstract about that — the impact lands in survival curves and improved patient outcomes. In agrochemistry, the same backbone may play a role in developing crop protection agents that break down at just the right rate, reducing residue and supporting food safety. That crossover speaks to the versatility people in chemistry admire.
Some might ask why not just use another diamino-pyridine or a simpler fluoro-pyridine. I’ve compared them side by side and, more than once, the added fluorine turns a stubborn reaction reliable. Regular 2,3-diaminopyridine delivers good nucleophilicity, but skip the fluorine and suddenly you’re wrestling with incompatibilities or chasing yield through tedious optimizations. On the flip side, fluorinated pyridines lacking the twin amines just don’t offer the same number of modification points for elaborating structure. In sum, this version carves out a space of its own, excelling in spots where its siblings can’t always keep up.
In my own research group, sourcing specialty chemicals like this hasn’t always been straightforward. Some years ago, we lost weeks waiting out a supply chain snag, only to receive a batch of disappointing quality. Since then, we’ve developed a habit of reaching out to knowledgeable procurement specialists early and sticking with sources vetted for reliability. For those new to handling highly functionalized pyridines, don’t underestimate the difference a clean, well-documented product brings when scaling up or navigating regulatory filings, especially in pharmaceutical or fine chemical manufacturing.
It’s no secret that chemical manufacturing faces growing scrutiny. From where I stand, product choice is as much about properties as it is about broader impacts. The introduction of fluorine often draws questions on environmental persistence, making the assessment of life-cycle effects and disposal methods more urgent. Choosing a supplier that can provide transparent information on production methods, waste minimization, and containment means more now than ever. Responsible stewardship pushes us to consider chemical selection beyond lab results and weigh long-term influences on health and ecology.
The world of synthetic intermediates can feel like it’s always chasing a new “game-changer.” Amid that noise, 5-Fluoro-2,3-diaminopyridine’s value comes from what it quietly accomplishes day in and day out. Published literature throughout the last decade supports its trusted role in library synthesis, benchtop optimization, and pilot-plant trials. For those who track innovation metrics, intellectual property filings frequently mention its use as a key intermediate in several next-gen therapeutic candidates, cementing its place in the toolkit of forward-looking chemists.
Some chemicals bring more peace of mind than others. From my own mistakes and lessons learned, I’ve found that using well-characterized, consistently manufactured products like this one reduces risk and makes compliance much less of a headache. Strict tracking of batch numbers, full analytical documentation, and responsive technical support can make or break projects that involve regulatory submissions or quality audits. When researchers and purchasers value those attributes, progress happens with fewer surprises.
During conversations at local chemistry clubs or at conferences, I hear real praise for the flexibility this compound brings — especially when facing down challenging cross-coupling protocols or fine-tuning bioactivity without rebuilding a scaffold from scratch. Projects under tight timelines benefit from the predictable performance and the ability to tune substituents down the line, letting teams rapidly test ideas and respond to evolving data. That flexibility and performance save effort on both small and large scales.
Research is a team sport. Whether in industry or academia, there’s a shared understanding of the importance of reliable building blocks. The best results grow from cooperation between chemists, procurement specialists, analysts, and even compliance officers. In my work, the ease of working with well-known, documented intermediates like 5-Fluoro-2,3-diaminopyridine lowers barriers and creates opportunities for new partnerships. With clear communication and trusted materials, research moves from troubleshooting impurities to designing the next breakthrough.
Digging deeper than surface-level claims, solid information on analytical controls stands behind top products. I always look for certificates of analysis listing NMR, HPLC, and trace metal content to confirm the product fits the intended use. It’s easy to overlook these details until a reaction misbehaves or a rejection lands after quality review. Labs bearing responsibility for continuous production or clinical studies can’t afford shortcuts. Making product choice a matter of careful recordkeeping and verification sets a standard that protects both reputations and results.
Anyone who’s worked on tight timelines knows how the ripple effect of a delayed shipment or an off-spec batch can grind projects to a halt. Reliable sources, open communication, and backup plans have become second nature in my lab’s playbook. The growing demand for specialty intermediates has inspired more transparency in supply chain practices, but personal relationships with trusted suppliers still play a role in getting what’s needed, when it’s needed. I’ve seen firsthand that proactive sourcing is better than any crisis response.
In synthetic campaigns, the specific constellation of fluorine and amines distinguishes 5-Fluoro-2,3-diaminopyridine from relatives in its class. I once ran a side-by-side comparison with 2,3-diaminopyridine and a range of mono-fluorinated pyridines on a library build. The result? Unique reactivity, selectivity shifts, and cleaner workup with the 5-fluoro analog. Colleagues in medicinal chemistry report improved metabolic stability and less off-target activity compared to non-fluorinated versions, confirming published trends. The careful placement of functional groups determines downstream success and plays a strategic role in scaffold modification.
Researchers are always searching for the next handle to move the science forward. I’ve seen 5-Fluoro-2,3-diaminopyridine unlock routes toward heterocyclic frameworks that would be unwieldy or sluggish with other building blocks. In both large-scale active pharmaceutical ingredient projects and tiny, one-off probe developments, the unique reactivity profile cuts down on side-product formation and isolation headaches, which saves hours at the prep bench and makes methods more sustainable by limiting waste. Adaptable chemistry wins, particularly under the pressure of patent races and funding deadlines.
Every project manager and principal investigator I know relies on data-backed decisions to guide purchasing and protocol development. Truth be told, the crowded landscape of available intermediates leaves no shortage of choices. What lifts one product above the rest isn’t just purity numbers or technical sheets — it’s the track record of reproducibility and the strength of supporting documentation. Honest supplier communication, rigorous batch testing, and responsive customer support shape the user experience. These qualities don’t just meet regulatory expectations, they build real confidence from discovery to delivery.
Few things feel better to a chemist than seeing a reaction run as planned after a new intermediate arrives. That’s been my experience more often than not with 5-Fluoro-2,3-diaminopyridine, especially for two-electron processes and challenging couplings. Switching to this product in place of other, similar compounds has given me cleaner profiles and higher throughput on analysis. In pilot-scale applications, the increased reliability results in efficient use of resources, easier troubleshooting, and better risk management across the supply chain.
As exploration in small-molecule therapeutics and advanced materials continues, versatility of building blocks like 5-Fluoro-2,3-diaminopyridine shapes the pace of innovation. I’ve observed that growing numbers of patents reference it as a key step in developing kinase inhibitors, antiviral entities, and next-gen diagnostic agents. Published evidence shows that the fine-tuned balance of electronics offered by the fluorine-amino combo often correlates with optimized target binding and reduced liabilities. Those outcomes translate into efficiency in screening programs, reduced attrition rates, and faster pathways from benchtop tests toward clinical leads.
Knowledge grows when it’s shared. Over coffee or in bustling conference halls, I’ve gained and offered tips about handling, storing, and integrating chemicals like 5-Fluoro-2,3-diaminopyridine into workflows. Little tricks, such as careful control of atmosphere and thorough documentation, keep operations smooth and enable reproducibility that lasts through staff changes and scale-up. Community engagement – whether through published methods or informal advice networks – supports a collective drive for excellence in research and manufacturing.
Looking forward, pressures from regulatory bodies and sustainability efforts are likely to shape how intermediates like 5-Fluoro-2,3-diaminopyridine are manufactured and used. The market has started rewarding suppliers who invest in cleaner synthesis routes, reduce reliance on hazardous reagents, and increase transparency around process safety. As a researcher, I encourage others to ask suppliers for lifecycle impact information and push for greener options when possible. Often, the groundwork for future solutions begins with these small choices.
Every chemist who’s seen a near-miss or had a protocol questioned by a safety review panel knows the importance of documentation and preparation. I’ve seen how detailed safety data, full traceability, and proactive risk assessments turn potentially hazardous workflows into routine tasks with predictable outcomes. Investing in proper storage, handling procedures, and staff training around new and specialized products like 5-Fluoro-2,3-diaminopyridine boosts safe practice and regulatory readiness — and, more importantly, protects the health of everyone involved.
For research groups and buyers exploring new intermediates, my advice centers around the principles of careful supplier selection, rigorous documentation, and routine performance checks. Building up a trusted point of contact at your supplier’s technical department makes troubleshooting swifter and reduces waste. Investing time in upfront assessments – like running small test batches before large-scale commitments – pays dividends in fewer delays or surprises.
Chemistry thrives on the spirit of teamwork. The value of robust communication between bench scientists, supply chain experts, and support staff cannot be underestimated. In my experience, projects succeed when everyone pulls in the same direction and shares information freely. Well-supported, thoroughly tested products serve as a reliable foundation for every partner in the chain, ultimately advancing innovation in medicine, agriculture, and more.
I’ve witnessed firsthand how a well-chosen intermediate can turn a complex synthesis into a manageable process. The accessibility and performance offered by 5-Fluoro-2,3-diaminopyridine allow teams to pursue more creative routes, bring novel functions to life, and sidestep obstacles that might halt progress with less adaptable alternatives. Whether tackling a troubleshooting challenge or envisioning a fresh direction in small-molecule design, this product delivers the kind of results that keep researchers coming back.
