|
HS Code |
699437 |
| Iupac Name | 5-methylpyridine-3-boronic acid |
| Molecular Formula | C6H8BNO2 |
| Molecular Weight | 136.95 |
| Cas Number | 87199-18-6 |
| Appearance | white to off-white solid |
| Melting Point | 149-152°C |
| Solubility In Water | moderate |
| Purity | ≥98% |
| Smiles | CC1=CN=CC(=C1)B(O)O |
| Storage Conditions | Store at 2-8°C, protect from moisture |
| Synonyms | 3-borono-5-methylpyridine |
| Pka | 8.8 (approximate for boronic acid group) |
As an accredited 5-Methylpyridine-3-Boronic factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 5-Methylpyridine-3-Boronic is securely packaged in a 25g amber glass bottle with a tamper-evident screw cap and clear labeling. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for 5-Methylpyridine-3-Boronic includes secure packing in drums, with full container load ensuring safe transport. |
| Shipping | **Shipping Description:** 5-Methylpyridine-3-Boronic is shipped in tightly sealed containers under an inert atmosphere to prevent moiture exposure. The package is clearly labeled according to relevant hazardous materials regulations. It should be transported at ambient temperature, avoiding direct sunlight and sources of ignition. Proper documentation and safety data accompany every shipment. |
| Storage | **5-Methylpyridine-3-boronic** should be stored in a tightly sealed container, protected from moisture and light, in a cool, dry, and well-ventilated area. Store at room temperature, away from incompatible substances such as strong oxidizing agents and acids. Ensure the container is clearly labeled, and follow all safety guidelines for handling organoboron compounds to prevent degradation or hazardous reactions. |
| Shelf Life | 5-Methylpyridine-3-Boronic acid has a typical shelf life of 1-2 years when stored cool, dry, and tightly sealed. |
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Purity 98%: 5-Methylpyridine-3-Boronic with purity 98% is used in pharmaceutical intermediate synthesis, where high product yield and minimal impurity levels are ensured. Melting point 108°C: 5-Methylpyridine-3-Boronic with melting point 108°C is used in high-temperature Suzuki-Miyaura coupling reactions, where reliable thermal stability is achieved. Molecular weight 136.98 g/mol: 5-Methylpyridine-3-Boronic with molecular weight 136.98 g/mol is used in agrochemical compound development, where precise stoichiometry and predictable reactivity are obtained. Particle size <50 µm: 5-Methylpyridine-3-Boronic with particle size <50 µm is used in automated solid-phase synthesis, where rapid dissolution and homogeneous mixing are facilitated. Water content <0.5%: 5-Methylpyridine-3-Boronic with water content <0.5% is used in moisture-sensitive catalyst modification, where improved shelf life and consistent performance are achieved. Assay (HPLC) ≥99%: 5-Methylpyridine-3-Boronic with HPLC assay ≥99% is used in fine chemical manufacturing, where batch-to-batch reproducibility and purity control are maximized. Stability at 25°C: 5-Methylpyridine-3-Boronic stable at 25°C is used in long-term storage applications, where material integrity and usability over time are maintained. Low metal residue: 5-Methylpyridine-3-Boronic with low metal residue is used in materials for OLED development, where superior electronic properties and reduced contamination are accomplished. |
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In the hands of a scientist, every compound tells a unique story. Some are workhorses in the lab, often handled with routine, but others, like 5-Methylpyridine-3-Boronic, bring something sharper to the bench. As someone who's spent years digging into fine chemicals, trust me—this molecule sparks genuine interest for anyone dealing with the specifics of organic synthesis. Its marriage of a methyl group and boronic acid on a pyridine ring shows real thought in design, not just another derivative for the catalog.
You can see the appeal as soon as you look at the structure. Drive a methyl group onto a pyridine and slip a boronic acid into the 3-position, and you don’t just end up with another niche compound. You shape a reagent that brings selectivity and reactivity to cross-coupling reactions, especially in the hands of chemists who don’t have patience for ugly side-products. This is real value for the Suzuki-Miyaura coupling crowd, whether that’s for the next pharmaceutical intermediate or a custom material for electronics research. In my own work, I’ve seen the way boronic acids reshape synthetic routes—sometimes saving a day of headaches, sometimes opening doors to molecules no one thought approachable just ten years ago.
Walk through any research chemistry lab and you’ll see the effect boronic acids have made, knocking bulkier, less predictable routes out of favor. 5-Methylpyridine-3-Boronic lifts what chemists expect from their toolkit—giving enough stability to handle, but plenty of reactivity to help build more complex structures with high yield and low byproducts. Compared to plain pyridine boronic acids, the methyl substituent reshapes electron density, influencing both reactivity and selectivity. To me, this matters. It’s the difference between “good enough for screening” and “good enough for taking toward a real-world compound.” That reliability can mean fewer reruns, tighter project timelines, and more predictable results for downstream applications.
Researchers and patent filings point to the use of 5-Methylpyridine-3-Boronic for making heterocycles and functionalized aromatic rings—core steps in pharmaceuticals, agrochemicals, and material science. The compound’s melting point, purity, and moisture sensitivity move it into the “handle with care” league, but not into the realm of headaches and wasted reagent. In my own syntheses, this means less troubleshooting and more moving forward. Data from published work suggest that Suzuki coupling efficiency compares favorably to many other pyridine derivatives, especially under mild conditions. For medicinal chemistry, where unwanted side reactions can kill a program early, cleaner reaction profiles go a long way.
The last decade has seen major leaps in using boronic acids to piece together molecular fragments that used to be challenging or plain impossible to fuse. Some of these new drugs and functional materials have become commercially important, and 5-Methylpyridine-3-Boronic fits neatly into this story. Its precise structure allows for more controlled couplings—often translating to better yields, fewer off-target reactions, and streamlined purification. I’ve worked on a few stubborn scaffolds that only opened up once I switched to a substituted pyridine boronic acid like this one. It cut steps out of the workflow, saved solvent, and avoided those edge-of-desk moments when you wonder if a batch will need to be scrapped. From a lab management view, efficiency like this keeps projects within budget and on vision.
If you’ve spent time comparing catalog reagents, you’ll know it’s easy to get lost in a forest of lookalike compounds. 5-Methylpyridine-3-Boronic isn’t just about checking a box for functional groups—it shifts selectivity compared to both unsubstituted pyridine boronic acids and others with halogen or alkyl substituents in different positions. The methyl group at position 5 nudges electron density just enough to affect the coupling step, often preventing some of the “drag” seen with less tailored reagents. It also tends to offer a better balance between stability and reactivity than more heavily substituted analogs, which sometimes stubbornly resist coupling or bring extra purification steps.
Every chemist appreciates a reagent that keeps its promise from the bench to the pilot plant. 5-Methylpyridine-3-Boronic generally remains stable if stored properly—tightly capped, dry and out of direct sunlight. I recall one scale-up project moving from milligram runs to multigram scale, where this compound held its character without breaking down into mysterious side-products. Not every boronic acid handles that transition gracefully; some need a frustrating adjustment in conditions, or, worse still, switch on a new impurity profile under scaled-up batch preparation. With this one, the transition usually goes smoothly, saving time and cutting down on requalification steps. These small advantages add up when you’re looking to translate a promising route from discovery to pilot plant.
Laboratory budgets have always forced tough decisions. Compounds bringing higher selectivity or faster reaction rates offset their cost by reducing labor and material waste. In my experience, switching to a precise reagent such as 5-Methylpyridine-3-Boronic changes the lab’s rhythm—there’s less troubleshooting of side reactions collapsed into late nights or weekends. The quality of commercially available lots keeps improving, with high-purity batches and solid analytical support behind each shipment. This lets chemists focus more on design and less on policing the basics, making it easier to justify its spot on the shelf.
I got my start in labs where safety counted more than bravado. Though boronic acids tend to behave themselves compared to some harsher organometallics, 5-Methylpyridine-3-Boronic still deserves careful attention. It’s sensitive to moisture and air, so smart storage goes a long way. Working with dry solvents, well-sealed containers, and solid ventilation means fewer interruptions and cleaner results. Experienced chemists know shortcuts here often lead to unexpected headaches down the line. Adhering to proper protocols isn’t just following the book—it's safeguarding everyone’s day at the bench.
Green chemistry means finding balance between efficient synthetic routes and cutting down on hazardous waste. Compared to halogenated partners or older organometallics, boronic acids such as this often generate less stubborn waste and avoid halide-heavy byproducts. This plays into environmental stewardship and often makes it easier to pass regulatory scrutiny, particularly where residual metals or hazardous side-products block commercialization. Some early efforts at scale-up ran into snags from regulatory grades of other coupling partners, but bringing in boronic acids has relieved pressure on those fronts. For labs looking to stay ahead of evolving regulations, building synthetic plans around sustainable reagents just makes sense.
Most chemists respect the hard truth that there’s usually no magic bullet reagent. Yet every so often, one finds a compound that removes enough obstacles so you can really stretch what’s possible. 5-Methylpyridine-3-Boronic often shows up as that compound in discussing more targeted, selective syntheses. It’s not about uncritical praise—it’s about seeing how this tool can shift bottlenecks away from a project’s pain points, carving out room for real progress. Even after years away from certain synthetic projects, colleagues and I still swap notes about how a specific boronic acid reagent—this one included—made the impossible, possible. Delivering high-quality results to the gram level, with reliability, can take a concept from sketchbook to sample shelf.
The world of pyridine chemistry moves fast, but modern demands—faster cycling from idea to molecule, greater efficiency, and sustainable protocols—push every lab to rethink how it approaches basic transformations. Compounds like 5-Methylpyridine-3-Boronic hit many of these sweet spots. The methyl group brings greater control in coupling and downstream function, while the boronic acid gives access to a host of new C–C and C–N bonds across a range of metal-catalyzed reactions. I’ve seen medicinal chemistry teams trim weeks off synthesis timelines by slotting in this reagent, thanks to its predictable character and minimized artifact formation. Some traditional routes still have their place, but for targeted applications this kind of boronic acid takes top billing.
For those weighing whether to invest in a new reagent, the most convincing arguments spring from real-world results—batch data, clean NMRs, and straightforward chromatography. In my day-to-day, products that live up to published claims save both start-up ventures and established labs vast effort. 5-Methylpyridine-3-Boronic’s demonstrated purity, consistency, and reactivity keep it on reorder lists, not just as a backup, but often as the starting point for new targets. A compound’s value grows when it lets researchers focus on new ideas rather than troubleshooting old problems—it’s this shift that defines whether a product earns trust over years of use.
Few things frustrate a research chemist as much as batch-to-batch variability or a reaction partner that bails halfway through a campaign. Early on in my career, plenty of promising molecules fell victim to inconsistent starting reagents. Over the years, I turned to secondary sources, only to find purity or solubility didn’t match workflow demands. Quality suppliers offering 5-Methylpyridine-3-Boronic keep pushing their analytical controls, and it shows in shipment-to-shipment consistency. Maintaining GMP compliance and tight spec sheets makes all the difference in scale-up, clinical trial support, and pilot-scale manufacturing. Any reagent holding up to those standards deserves lasting attention.
No product is without room for improvement. Cost remains a concern at higher scales, and while the compound generally ships in shelf-stable quantities, large projects run up against limits on supply chain resilience, especially in the wake of recent global disruptions. I’ve seen teams adopt workarounds by pre-purchasing, freezing extra stock, or qualifying alternative suppliers—the key is robust quality control and transparency in sourcing. By encouraging suppliers to boost transparency, publish sustainability metrics, and develop improved packaging, the industry rewrites the story from short-term fixes to long-term progress in research supply chains.
True progress in drug development, material design, and process chemistry means backing up every insight with reliable, reproducible tools. 5-Methylpyridine-3-Boronic supports this approach, especially for teams working beyond the mainline catalog. It’s not about trend chasing; it’s about arming researchers with compounds that strike a balance between performance, handling, and safety. Years working alongside colleagues in synthetic, analytical, and process chemistry confirm the critical importance of these tools in helping projects move from idea to application—and keeping industry and academia at the forefront of discovery. Reliable materials drive real results—as anyone who’s wrestled with an unreliable reagent will confirm.
The way research landscapes at universities and pharmaceutical companies shift each year depends partly on new tools reaching the bench. 5-Methylpyridine-3-Boronic won’t revolutionize every workflow overnight, but its unique profile means more than just filling a gap in the catalog. Adjustable reactivity, ease of purification, and trackable provenance open new doors for challenging synthetic targets. Some of the most creative expansions on published methodologies build on couplings made easier and cleaner with this pyridine boronic acid. I see a future where its influence grows—not by pushing aside other approaches, but by anchoring new design strategies in practical, proven chemistry supported by solid science and reliable supply.
Today’s chemical industry faces an intersection of science, sustainability, and economic pressure. By embracing rigor over routine, compounds like 5-Methylpyridine-3-Boronic can help bridge these demands. Laboratories betting on tomorrow’s therapies, greener materials, and new electronics push every supplier to step up quality while minimizing environmental cost. Reliable synthetic intermediates and versatile reagents define which groups move fastest from patent claim to working prototype. In my experience, smart choices in chemistry infrastructure—backed by real results, transparent sourcing, and thoughtful stewardship—pave the way for progress that sticks. That’s a lesson worth repeating across the research community.
Pulling more from every day at the bench takes more than luck, more than just ticking boxes for purity, yield, and compliance. It means choosing products that move work forward and back ideas with trustworthy performance. 5-Methylpyridine-3-Boronic fits this approach. Taking the best lessons from years in lab coats, it rewards care and planning with results that push boundaries, cut delays, and inspire confidence in your next experiment. There’s room for more progress, but for now, this reagent stands as a solid choice for chemists ready to aim higher and waste less. The compound may seem small on the page, but for many of us, it represents a well-earned step toward chemistry that works better, costs less, bothers the earth less, and gets science further.