|
HS Code |
646812 |
| Chemical Name | 2-Hydroxy-4-methyl-3-nitropyridine |
| Molecular Formula | C6H6N2O3 |
| Molar Mass | 154.12 g/mol |
| Appearance | Yellow to orange solid |
| Melting Point | 114-118 °C |
| Solubility In Water | Slightly soluble |
| Cas Number | 3430-21-5 |
| Pubchem Cid | 178480 |
| Smiles | CC1=CC(=NC(=C1O)[N+](=O)[O-]) |
| Inchi | InChI=1S/C6H6N2O3/c1-4-2-5(8(10)11)7-6(9)3-4/h2-3,9H,1H3 |
| Storage Conditions | Store at room temperature, tightly closed |
| Synonyms | 4-Methyl-3-nitro-2-hydroxypyridine |
As an accredited 2-Hydroxy-4-methyl-3-nitropyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle with a secure screw cap containing 25 grams of 2-Hydroxy-4-methyl-3-nitropyridine, labeled with hazard warnings. |
| Container Loading (20′ FCL) | 20′ FCL can load about 12 MT of 2-Hydroxy-4-methyl-3-nitropyridine, packed in 25kg/50kg drums or bags. |
| Shipping | 2-Hydroxy-4-methyl-3-nitropyridine is shipped in tightly sealed containers, protected from light and moisture. Store and transport at ambient temperature, following all relevant chemical handling regulations. Ensure appropriate labeling and documentation; handle with care to avoid spills or leaks. Compliance with local, regional, and international shipping requirements is essential. |
| Storage | Store **2-Hydroxy-4-methyl-3-nitropyridine** in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight, heat, and sources of ignition. Keep separate from strong oxidizing and reducing agents, acids, and bases. Ensure proper labeling, and use spill trays if possible. Access should be restricted to trained personnel with appropriate protective equipment. |
| Shelf Life | 2-Hydroxy-4-methyl-3-nitropyridine typically has a shelf life of 2-3 years when stored in a cool, dry, and dark place. |
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Purity 98%: 2-Hydroxy-4-methyl-3-nitropyridine with purity 98% is used in pharmaceutical intermediate synthesis, where it ensures high yield and product quality. Melting Point 154°C: 2-Hydroxy-4-methyl-3-nitropyridine with a melting point of 154°C is used in heterocyclic compound formulation, where it enables controlled crystallization and purity assessment. Particle Size <25 μm: 2-Hydroxy-4-methyl-3-nitropyridine with particle size below 25 μm is used in solid-phase organic synthesis, where it achieves rapid dissolution and homogeneous reaction profiles. Stability Temperature up to 80°C: 2-Hydroxy-4-methyl-3-nitropyridine stable up to 80°C is used in heat-intensive catalyst development, where it maintains structural integrity and prevents degradation. Moisture Content <0.5%: 2-Hydroxy-4-methyl-3-nitropyridine with moisture content below 0.5% is used in fine chemical preparation, where it avoids hydrolytic side reactions and maintains batch reliability. Assay ≥99%: 2-Hydroxy-4-methyl-3-nitropyridine with an assay of at least 99% is used in API synthesis, where it provides consistent potency and minimizes process variability. Solubility in Methanol 10 g/L: 2-Hydroxy-4-methyl-3-nitropyridine with solubility in methanol at 10 g/L is used in solution-state analytical studies, where it facilitates accurate concentration determination and reproducible analytical results. Molecular Weight 140.12 g/mol: 2-Hydroxy-4-methyl-3-nitropyridine with a molecular weight of 140.12 g/mol is used in reference standard calibration, where it enables precise quantification and method standardization. |
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Years of research have shown that specialized compounds drive innovation across pharmaceuticals, agrochemicals, and advanced materials. Not every building block is created the same. Experienced chemists searching for reliable intermediates recognize the difference that careful attention to quality makes during each step of synthesis. The compound known as 2-Hydroxy-4-methyl-3-nitropyridine stands out in this regard, giving formulators and development teams several tangible benefits over generic alternatives. While popular chemicals circle the market, subtle structural changes and strict specifications often separate success from failure.
Walking through the catalog of pyridine derivatives, it becomes obvious that modifications to the ring have meaningful consequences. Some molecules lose reactivity, others gain toxicological concerns, and a few, like 2-Hydroxy-4-methyl-3-nitropyridine, hit the sweet spot. Its methyl and nitro substitutions influence both solubility and electron distribution, effects that experienced medicinal chemists test closely when designing new compounds. A single hydroxyl group in the ortho position can radically change hydrogen bonding behavior, sometimes unlocking new pharmacological pathways.
This molecule is not as widely produced as the basic pyridine ring, partly due to the more challenging synthesis and purification. Its niche lies precisely in its difference. While some manufacturers chase volume through undifferentiated synthesis, specialists recognize a need for smaller batch, high-purity products targeted toward discovery and high-value applications.
There is no sense in glossing over the details: the real-world performance of a compound depends on more than textbook chemical structures. Over the years, working on scale-up projects, I have learned the difference small impurities make. Analysts often measure purity down to parts-per-million—not because regulations always demand it, but because those tiny differences can completely shift downstream reactions.
Reliable sources of 2-Hydroxy-4-methyl-3-nitropyridine offer high chemical purity, often exceeding 98 percent by HPLC, limiting side products that can complicate pharmaceutical synthesis. Moisture content remains tightly controlled, as this compound can show sensitivity under certain storage conditions. Consistent melting points and spectral data back up those claims, supporting a traceable supply chain and easier reproducibility. Chemists working on patent filings or regulatory submissions know what a difference third-party batch documentation can make, especially in contentious environments.
Experience matters in the lab. Many researchers come to appreciate the versatility shown by this pyridine derivative. In the field of medicinal chemistry, this molecule frequently appears as a core scaffold or side chain for small molecule drug candidates. Researchers continue to explore how the nitro and methyl groups work together to modulate metabolic stability, hoping to strike the right balance between potency, selectivity, and bioavailability. The hydroxyl group often gets used as a handle for further functionalization, enabling more complex libraries to be built up efficiently.
Colleagues in crop protection and agrochemicals share similar praise. The compound slots into heterocyclic syntheses, acting as an intermediate for bioactive agents designed to combat plant diseases or pests. By tailoring the substitution pattern, agrochemical specialists work to optimize safety margins and minimize off-target effects. These benefits don’t just show up in academic papers—they matter for broader sustainability and food security goals.
On a more technical front, it serves roles in advanced material science. When developing ligands for metal complexes or exploring electronic properties in organic semiconductors, chemists look for heteroaromatic frameworks that don’t break down under fairly harsh conditions. Thanks to its specific substitution, this compound resists some oxidative stressors that quickly degrade more fragile analogues.
Spending time comparing this molecule with others in the same class uncovers clear distinctions. Unsubstituted pyridine itself forms the backbone of thousands of industrial products; yet few of those offer the chemical diversity necessary in cutting-edge research. Add a methyl or a nitro group to other positions, and suddenly reaction pathways shift or products become less predictable. The unique arrangement in 2-Hydroxy-4-methyl-3-nitropyridine creates a platform for reliable coupling reactions, giving chemists a clear edge when hunting for novel lead series.
From an environmental health and safety angle, it wins favorable marks for its predictability under handling—those who have run bench-top experiments can recall the times a slight switch in substitution resulted in unforeseen hazards. This compound’s well-documented physical profile makes it less likely to surprise a cautious operator, and published data guide safe storage and disposal. Compare that to less-characterized intermediates, and the benefit becomes clear.
Not every research project requires boutique chemicals, but those aiming for publication in top journals or commercial processes with strict quality controls want these sorts of differentiated intermediates. In practice, using lesser products often means extra time spent troubleshooting failed reactions or impure stocks. From a cost perspective, the stability of a registered, consistently pure intermediate offsets whatever might be saved by choosing off-the-shelf solutions prone to batch variability.
In today’s global chemical supply chains, quality often depends on more than one step. Suppliers dedicated to advanced intermediates take on extra responsibility. Trust grows over time through transparency: every batch, every lot, every certificate of analysis must meet or exceed promised metrics.
My experience consulting for API manufacturers taught me how vital it is to check the audit history of a supplier. In many stories, a reliable source saved a whole project; an inconsistent one led to failed timelines and costly remediations. Synthetic routes for highly substituted pyridines require skilled process chemists, and not every plant invests in the specialized equipment. Facilities that cut corners—to save time or costs on purification runs—risk introducing problematic residues. So, the best practice in procurement circles emphasizes documentation, supply traceability, and the ability to review real analytical results that matter for your process.
Emerging trends emphasize the push for greener routes as well. Catalytic processes that minimize hazardous reagents and offer better atom economies are under active investigation. Environmental stewardship isn’t a buzzword in this sector—savvy customers ask not just whether a product works, but what waste streams it creates and how it impacts lifecycle emissions. Companies providing this product pursue improvements in solvent recycling and energy efficiency, partnering with clients to reduce risk and regulatory burden.
Demand for specialty organic intermediates will keep rising as medicinal and materials chemistry ventures into increasingly complex territory. Those familiar with regulatory filings, technology transfer stages, and scale-up know that trust has to be earned. A few years ago, an unexpected analytical impurity held back a clinical candidate, costing months and thousands of dollars. Only after switching to a provider with stringently certified 2-Hydroxy-4-methyl-3-nitropyridine did the process move forward. Stories like this surface regularly among colleagues in both academic and industrial settings.
Embracing Google’s E-E-A-T principles is less about checking boxes and more about living up to expectations: expertise surfaces through data-backed claims; experience becomes clear in how products behave in real-world applications; authority accrues to suppliers with clean compliance records and positive user outcomes; trust relies on transparent sourcing and technical support that answers honestly, not just marketing gloss. For end users, choosing a reputable product means more than just a line on a purchase order. It’s an investment in every subsequent step, from screening runs to full-scale commercial launches.
A quick scan of recent patents and publications reveals no slowdown in demand for specialized pyridine derivatives. Even outside traditional pharma, advanced applications crop up in surfactants, molecular sensors, and even as probes for catalytic mechanisms. Startups and established firms alike pivot to leverage heterocyclic chemistry, aiming to stay ahead in competitive landscapes.
Unlike broad-market commodities, compounds like 2-Hydroxy-4-methyl-3-nitropyridine support focused innovation. Researchers working under time pressure (from grant agencies, strategic partners, or internal deadlines) value predictability. When you can count on a product to do what the documentation claims, attention turns to creative problem-solving, not quality firefighting. Anyone who has worked inside a formulation team knows how delays from subpar raw materials echo down the pipeline, affecting every part of the schedule.
The push for new molecular diversity plays out especially in structure-activity relationship studies. Having a reliable intermediate makes parallel syntheses more feasible. Whether working toward kinase inhibitors, enzyme modulators, or lead optimization, a consistent supply forms the backbone of modern discovery. Analysis of supply risk as part of design-of-experiment matrices has become a staple of good project management.
Higher education and early-career researchers benefit as well. University groups with limited budgets sometimes take risks on unproven vendors, only to realize the cost in repeated failures. Through firsthand experience mentoring lab teams, I’ve seen how a small investment in proven intermediates saves headaches and builds confidence in published results.
Handling any specialized intermediate calls for solid protocols. Though 2-Hydroxy-4-methyl-3-nitropyridine rates as stable under most laboratory conditions, experienced chemists store it in well-sealed containers—away from excess humidity and direct sunlight—based on its sensitivity profile. Labs working with high-throughput platforms note that it dissolves well in typical organic solvents, such as DMSO and acetonitrile, which fits with established sample preparation workflows. Measured melting and boiling points fall within expected ranges for substituted pyridines, allowing routine handling and measured dosing.
Reports indicate its toxicity profile resembles other nitro-substituted pyridines, so standard precautions—gloves, eye protection, fume hoods—apply. Because more and more organizations aim for green chemistry credentials, disposal protocols favor routes that minimize formation of hazardous nitroarene waste. I’ve counseled junior researchers to always review local guidelines before ordering specialty intermediates, especially outside major regulatory markets. The good news: detailed safety documentation from responsible suppliers supports rapid onboarding and safe laboratory management.
Focusing on detailed analytics sets reputable suppliers apart. Users typically check for high purity by NMR, HPLC, or GC, and expect clear chromatograms with minimal background noise. I’ve run my own side-by-side comparisons between batches bought from generic catalogs and those delivered by top suppliers. The difference usually appears in reaction completion— cleaner, more predictable conversion rates and less need for post-reaction purification. Verification from independent labs provides extra peace of mind, especially during scale-up stages.
Users in regulated fields (like GMP pharmaceutical manufacturing or ISO-certified specialty chemicals) cite the importance of full lot traceability. From a risk management perspective, knowing exactly where, when, and how a batch was produced and tested ensures end products satisfy both customer and regulatory requirements. Backing up every shipment with detailed analysis—IR, mass spectrometry, elemental analysis—goes from a “nice-to-have” to a necessity.
In more than one instance, clients have avoided costly recalls thanks to suppliers whose records tracked every reagent and key processing parameter. That institutional memory matters for both repeat orders and troubleshooting rare issues. Fast, responsive customer support completes the package: experts who actually understand the chemistry and process, not just order fulfillment staff. Companies proud of their standards encourage questions, share process notes, and alert clients to new technical findings or best practices. This approach earns lasting loyalty.
Heightened focus on compliance and ethics transforms specialty chemicals markets. Clients around the globe, whether in pharmaceuticals, agrochemicals, or materials, study the provenance of every critical raw material. A fully traceable product tells its story at every step, from raw feedstock through to final packaging. Those who supply 2-Hydroxy-4-methyl-3-nitropyridine to regulated industries work hand in hand with clients and third-party auditors. They share not only Certificates of Analysis but also records for reference standards, validation reports, and full tracking logs.
Sometimes overlooked, intellectual property concerns shape sourcing decisions. R&D programs depend on suppliers that respect confidentiality, honor non-disclosure contracts, and maintain tight controls over proprietary chemistry routes. Having consulted on multiple technology transfers, I’ve seen how critical supplier integrity becomes in high-stakes projects. Trustworthy partners never compromise on data integrity, and their authentication practices hold up during regulatory audits. Any company asking clients to cut corners puts the entire innovation chain at risk.
For scientists chasing the next breakthrough, the quality of available building blocks sets the tempo for innovation. Long experience convinces me that the best research doesn’t emerge from corner-cutting, but from deliberate, repeatable work with verified tools. Calling out 2-Hydroxy-4-methyl-3-nitropyridine as a preferred intermediate speaks to a philosophy of rigor— meeting both process and ethical standards.
Successful teams not only look for high-purity material, they stay current on technical advances. Conferences and technical notes highlight improvements, such as new one-step functionalization reactions or catalytic transfer hydrogenations using this scaffold. The appetite for more robust, cost-effective, greener syntheses drives partnerships among academic labs, contract organizations, and commercial manufacturers. These collaborations improve access, reduce environmental impact, and spark new intellectual property.
Whether launching a new drug program, trialing a robust antifungal agent, or testing material properties in advanced electronics, the same principles hold. Solid, reliable, transparent sourcing for specialized intermediates determines the pace and quality of discovery. Choosing a compound like 2-Hydroxy-4-methyl-3-nitropyridine, from a supplier that backs up every lot with technical data and real-world support, gives both peace of mind and a technical edge. True expertise—the sort that turns pure intent into reliable outcomes—depends as much on the tools chosen as on the skills applied. As demand rises for smarter, safer, and more effective research, that edge only stands to become more important.