|
HS Code |
469065 |
| Chemicalname | 4-methoxy-2-nitro-pyridine |
| Molecularformula | C6H6N2O3 |
| Molecularweight | 154.12 |
| Casnumber | 25295-36-5 |
| Iupacname | 4-methoxy-2-nitropyridine |
| Appearance | Yellow solid |
| Meltingpoint | 64-67°C |
| Solubility | Slightly soluble in water; soluble in organic solvents |
| Density | 1.38 g/cm³ (estimated) |
| Smiles | COC1=CC=NC(=C1)[N+](=O)[O-] |
| Inchi | InChI=1S/C6H6N2O3/c1-11-5-2-3-7-6(4-5)8(9)10/h2-4H,1H3 |
| Storageconditions | Store in a cool, dry place, protected from light |
As an accredited 4-methoxy-2-nitro-pyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle containing 10 grams of 4-methoxy-2-nitro-pyridine, securely sealed and labeled with hazard and handling information. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for 4-methoxy-2-nitro-pyridine ensures safe, secure packaging, compliant labeling, and optimized space for international shipment. |
| Shipping | 4-Methoxy-2-nitropyridine should be shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. Handle as a hazardous material and comply with all applicable regulations for transport—use appropriate labeling and documentation. Ensure secondary containment and cushioning to prevent breakage during transit. Store upright and avoid contact with incompatible substances. |
| Storage | 4-Methoxy-2-nitro-pyridine should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and incompatible materials such as strong oxidizers and reducers. Keep it protected from light and moisture. Ensure proper labeling and restrict access to trained personnel. Store in accordance with local regulations for hazardous chemicals. |
| Shelf Life | 4-methoxy-2-nitro-pyridine is stable under recommended storage conditions; shelf life is typically several years when kept cool and dry. |
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Purity 98%: 4-methoxy-2-nitro-pyridine with 98% purity is used in pharmaceutical intermediate synthesis, where it ensures high-yield active pharmaceutical ingredient formation. Melting Point 80°C: 4-methoxy-2-nitro-pyridine with a melting point of 80°C is used in heterocyclic compound preparation, where uniform phase transition enhances reaction reproducibility. Particle Size 20 µm: 4-methoxy-2-nitro-pyridine with a particle size of 20 µm is used in fine chemical manufacturing, where optimal dispersion improves reaction kinetics. Stability Temperature up to 120°C: 4-methoxy-2-nitro-pyridine stable up to 120°C is used in organic synthesis processes, where thermal reliability prevents decomposition products. Moisture Content below 0.5%: 4-methoxy-2-nitro-pyridine with moisture content below 0.5% is used in catalytic system development, where low moisture reduces side reactions. Molecular Weight 154.12 g/mol: 4-methoxy-2-nitro-pyridine with a molecular weight of 154.12 g/mol is used in reference standard calibration, where precise mass contributes to analytical accuracy. Assay 99% by HPLC: 4-methoxy-2-nitro-pyridine with 99% assay by HPLC is used in laboratory screening assays, where high assay guarantees consistent experimental results. Solubility in DMSO 10 mg/mL: 4-methoxy-2-nitro-pyridine with solubility in DMSO at 10 mg/mL is used in drug discovery pipeline screening, where enhanced solubility enables higher throughput. Residual Solvent below 100 ppm: 4-methoxy-2-nitro-pyridine with residual solvent below 100 ppm is used in regulated product development, where strict impurity limits support compliance. Reactivity Grade A: 4-methoxy-2-nitro-pyridine of reactivity grade A is used in nucleophilic aromatic substitution, where superior reactivity increases coupling efficiency. |
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Working hands-on with organic materials every day, I see a lot of compounds come and go in the lab and in manufacturing spaces. Every so often, one shows up that changes how projects move forward, how research takes shape, and how products reach the market. 4-Methoxy-2-nitro-pyridine belongs in the group that tends to spark those quiet, head-nodding moments where you appreciate clever chemical design. Chemically speaking, this molecule carries a methoxy group at the fourth position and a nitro group at the second position on its pyridine ring. Experience tells me that such a configuration lets it punch above its weight in several research applications — not because it’s flashy or new, but because of the steady, reliable results it brings.
Those who spend their time in the lab recognize that product consistency saves both time and money. It also keeps discoveries rolling when projects depend on reliable chemical feeds. 4-Methoxy-2-nitro-pyridine keeps its purity even through rigorous processing, which stands out to experienced chemists. Its power comes not from big marketing campaigns but from being a cornerstone material in synthetic organic chemistry, where reproducibility keeps the lights on.
I’ve worked with compounds where the tiniest flaws in purity lead to a wasted week and a stack of broken glassware in the waste bin. That tough lesson matters to anyone using 4-methoxy-2-nitro-pyridine. Reliable lots of this powder look pale yellow and flow easily — a detail that may seem minor until you’ve tried working with sticky or clumpy powders. The melting point sits in a range that checks out for product of this class, letting you store and handle it without jumping through hoops. Even the subtle cleanup requirements echo the lessons you learn dealing with nitroaromatics: stay methodical, keep things neat, and results stay on track.
For those tracking specifications, I’ve seen batch certificates on reputable commercial material claiming upwards of 97% purity. While purity numbers alone can’t tell the whole story, in real-world terms a purity in the high nineties supports downstream chemistry without introducing confounding unknowns. It also means less post-reaction cleanup and less time spent validating side reactions. That fact alone can shave days off a graduate student’s thesis work or expedite scale-up in a pilot plant.
Anyone who has synthesized heterocyclic scaffolds recognizes the frustration of juggling finicky starting materials. Using 4-methoxy-2-nitro-pyridine knocks down a few common headaches at the very start. Its structure primes it for substitution reactions, nucleophilic aromatic substitutions, or reduction steps that open the door to more complex pharmacophores. Medicinal chemists value starting points that allow rapid diversification, letting whole libraries of possible drug candidates come to life on a modest bench setup.
From personal experience, a compound like this one makes a difference in the crowded arena of drug discovery. When a compound offers both electronic activation and an accessible leaving group, it encourages quick exploratory reactions. I’ve trialed this with undergraduate groups, letting them see how rapidly aromatic substitution can move when the right activating group is in place. The speed of transformation — that fast, clean progress — shows its value without the hand-waving.
Beyond just teaching value, chemists exploring new agrochemicals or pigment syntheses often turn to 4-methoxy-2-nitro-pyridine. Its nitro group brings a strong electron-withdrawing character, making reactions predictable and usually avoiding a mire of messy byproducts. Anyone tasked with project timelines, supply chain worries, and the unpredictable outcomes of aromatic substitutions finds something to appreciate about that sort of reliability.
People familiar with pyridines know that making subtle substitutions can give wildly different results. I’ve worked on projects where using a plain nitro-pyridine caused sluggish reactions, often with poor yields and stubborn side products. Adding the methoxy group at the right spot changes the electronic landscape enough to catalyze smoother reactions — a trick that makes the experienced chemist’s life easier, especially when troubleshooting reactions that would otherwise stall. Some may favor other nitro-pyridines, but the balance here between reactivity and selectivity lands just where a lot of synthetic targets need it.
Compared to lower-substituted analogs, I’ve seen 4-methoxy-2-nitro-pyridine perform as a smarter starting point for multi-step syntheses. In one team’s hands, it cut out two protection/deprotection steps — never a small thing when every extra manipulation risks yield loss and extra purification headaches. For scale-up, that shortcut can mean big cost savings and fewer solvent barrels to haul away at the end of a campaign.
So much chemistry happens in the details that don’t show up in a catalog page. Handling 4-methoxy-2-nitro-pyridine on day-to-day synthesis, you see how its free-flowing nature speeds up weighing and transfer steps. Anyone who has fought with hygroscopic powders or sticky intermediates will know the quiet relief this brings. On the industrial end, that handling advantage shows up as less downtime during weighing or batch setup, particularly important when timeframes are tight and across-the-board consistency counts.
Quality control teams also value the way well-made 4-methoxy-2-nitro-pyridine keeps its form and resists moisture uptake when stored under sensible conditions. A tightly-lidded jar on a shelf remains usable far longer than certain more delicate reagents, which takes away some stress of managing inventory for a busy research group. Good shelf-stability often becomes more important than some realize, especially for smaller teams that can’t afford to discard spoiled lots.
Talking among colleagues in procurement, I hear the same refrain: consistency means everything, since switching plans mid-project after a failed delivery upends schedules and budgets alike. The supply of 4-methoxy-2-nitro-pyridine in the market remains more stable recently, likely due to growing research activity in both university and private-sector labs. Most scientific suppliers stock it at several purity grades, sometimes alongside supporting analytics. For those managing budgets, it’s worth tracking supplier reliability, as I’ve seen sporadic supply blips in specialty compounds more than once across my own projects.
Researchers needing higher volumes for process chemistry appreciate when suppliers can validate quality batch after batch, which lets even small teams scale up experimental runs without revalidating every time new stock arrives. Cost remains an ever-present concern, especially for early-stage work where every major expense draws scrutiny. Where price feels high per gram, teams often offset that by structuring their syntheses to minimize waste and boost stepwise yields, a practical solution that experienced chemists adopt out of necessity.
Through years of working with nitro aromatics, certain habits become second nature. 4-Methoxy-2-nitro-pyridine brings none of the dangerous volatility you see in the classic, more infamous nitrobenzene derivatives, but it still deserves respect. Standard PPE paired with careful weighing and standard hood practices usually does the trick. The fine dry powder can irritate the nose and throat if you handle it like sugar, but running your balances inside a fume hood and treating every transfer step like you’re moving spices in grandma’s kitchen keeps exposure worries at bay.
Waste disposal sometimes makes experienced chemists roll their eyes, since nitroaromatics, while less hazardous than many heavy metal byproducts, still must be segregated for appropriate chemical waste streams. Teams keeping thorough records avoid headaches down the line, whether it’s for environmental reporting or just a quick sanity check when a reaction doesn’t work as planned.
Chemists chasing new targets always look for starting materials that open many doors, letting routes pivot as insights develop. Working with 4-methoxy-2-nitro-pyridine, teams realize just how many pathways it leaves available. Whether it’s by reduction, substitution, or further derivatization, more options pop up from this core structure than from plainer pyridines. The methoxy group serves as both a handle and a modulator, tuning both physical properties and reactivity down the line.
In collaborative projects where time and creativity rule, the speed with which 4-methoxy-2-nitro-pyridine can build onto frameworks amazes younger scientists. They ask themselves if the next transformation will behave, giving room for innovation in the downstream chemistry. In my work with pharmaceutical candidates and exploratory pigment development, I’ve seen the difference between pushing a substandard intermediate and using something purpose-built for reactivity and predictability.
With so much written about acceleration in chemical discovery, it’s worth calling out tools that quietly support that progress. In modern labs, where automated synthesis robots now run alongside freshly-trained doctoral students, materials that cause fewer problems pay off in unexpected ways. Fewer failed reactions mean less waste and fewer dangerous cleanups. In a sector where environmental stewardship counts, using a compound whose purification almost always goes smoothly supports broader green chemistry goals.
More and more, detailed analytical tools give research groups real-time glimpses of impurities and byproducts. My time co-supervising work in a process chemistry lab let me see up close that cleaner starting materials — like solid, well-prepared 4-methoxy-2-nitro-pyridine — cut down the number of “mystery peaks” during method development. Instead of chasing ghosts in the chromatograms, teams focus energy on designing better catalysts or exploring more challenging transformations.
As positive as the experience can be, challenges don’t disappear. Purity can drift between suppliers or even across lots, so experienced buyers always insist on confirming identity by NMR or HPLC before launching a big project. Intellectual property worries sometimes shape sourcing decisions too, especially in sectors like pharmaceuticals or electronics where downstream applications attract attention from regulators or competitors.
Since the molecule contains both nitro and methoxy groups, it brings specialized handling needs that might frustrate newcomers. Static can move the dry powder around a glovebox faster than you’d believe, and opening large containers carelessly can cake the compound onto scoops and jar lips, contaminating your setup. Training young chemists to move slowly and keep their tools clean saves a lot of pain down the line.
Long experience in the lab corners and on the lecture circuit shows how small improvements in chemical sourcing ripple outwards. Solid, reliable intermediates like 4-methoxy-2-nitro-pyridine let people cut steps, design safer routes, and waste fewer resources on redoing poorly-behaved reactions. Teams that adopt it in place of clunky previous intermediates often celebrate the faster pace of discovery, but also the less-glamorous wins — a few fewer grams of solvent used, quicker waste handling, better separation at the chromatography step.
Responsible chemistry now asks more than just low price or high yield. Good stewardship, driven both by regulation and by moral compass, means practical things: using materials that make less hazardous waste, simplifying storage, and preventing escapes into the air or water. 4-Methoxy-2-nitro-pyridine ticks several of those boxes. It keeps its form, travels safely if boxed up with care, and can help replace less predictable — sometimes downright nasty — intermediates that were staples in earlier decades.
Anyone considering adding 4-methoxy-2-nitro-pyridine to their toolbox can benefit from some collected advice from the trenches. Track your suppliers closely, and ask for material from the same lot if you’re planning extended batches. Always run fresh spectra on new bottles; quality sometimes changes without notice, and avoiding mishaps in the first week saves endless frustration later. Label your storage vials clearly — confusion between close pyridine analogs can unravel weeklong syntheses in a single careless weigh-in.
On process scale or in automation-driven pipelines, manage dust formation at large scale to avoid unnecessary cleanup and exposure. Forethought about waste routes and optimized reaction conditions pays off in larger runs. Those habits, learned working shoulder to shoulder with process chemists, translate to tangible business gains and a lot more confidence in regulatory site visits.
Looking back on years bouncing between academic labs and industry R&D, some materials come and go, but the ones that quietly deliver results stay. 4-Methoxy-2-nitro-pyridine makes its case through results, not hype. Students see transformations unfold before lunchtime. Senior chemists breathe easier knowing the next project milestone won’t get derailed by supply or storage headaches. Procurement teams trust the specs. Managers see consistent outcomes and lower waste bills.
Its main edge — that blend of stability, handling ease, and practical reactivity — stands out the longer you’re in the field. It’s not just another pyridine. For chemists who juggle both invention and execution, for those learning the ropes on a benchtop or running high-throughput experiments, this compound settles into the workflow and lets the real innovation move forward. It creates more time for big ideas, and a bit less for mopping up spillover from overlooked details.
If there’s one pressing request from the user community, it’s for broader supplier transparency — a move that has transformed other specialty chemical markets in the past decade. Publishing batch analytics, documenting impurity profiles, and sharing best practices on storage could raise the bar for everyone in the field. A move toward greener production pathways for 4-methoxy-2-nitro-pyridine would also fit with shifting values in both academia and industry.
Chemists, engineers, and project managers often share tips informally about ways to get the most out of every bottle, to avoid bottlenecks as research gears up. These folk practices, passed along in seminars and coffee breaks, make all the difference: update protocols promptly, share fingerprint spectra, and keep reference samples for quick cross-checks.
Products like 4-methoxy-2-nitro-pyridine — compound that some see as just another catalog entry — actually shape the direction of entire research programs. From my own path, from cleaning glassware to troubleshooting failed pilot runs, I’ve seen how the right intermediate kicks experimental chemistry into a higher gear. Projects reach milestones, new drugs and materials get to patent filings, and junior scientists rack up wins early in their training when the right piece falls into place.
Responsible use, deep trust in quality, and an openness to sharing experience shape both the small and large victories that stem from steady starting points. 4-Methoxy-2-nitro-pyridine, with its blend of practicality and versatility, embodies those values as a quiet but crucial player for anyone charting a path through the colorful and unpredictable world of synthetic chemistry.