|
HS Code |
433265 |
| Chemical Name | 4-Iodo-2-methylpyridine |
| Molecular Formula | C6H6IN |
| Molecular Weight | 219.03 g/mol |
| Cas Number | 40217-30-9 |
| Appearance | Pale yellow to beige crystalline solid |
| Boiling Point | 274 °C at 760 mmHg |
| Melting Point | 54-57 °C |
| Density | 1.692 g/cm³ |
| Smiles | CC1=NC=CC(=C1)I |
| Inchi | InChI=1S/C6H6IN/c1-5-4-6(7)2-3-8-5/h2-4H,1H3 |
| Solubility | Soluble in organic solvents such as DMSO and ethanol |
| Synonyms | 2-Methyl-4-iodopyridine |
As an accredited pyridine, 4-iodo-2-methyl- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, screw cap, white label with black text, hazard pictograms, contains 5 grams of pyridine, 4-iodo-2-methyl-. |
| Container Loading (20′ FCL) | Container loading (20′ FCL): Securely packed in sealed drums or containers, maximizing space efficiency and ensuring safe transport of 4-iodo-2-methylpyridine. |
| Shipping | Pyridine, 4-iodo-2-methyl-, should be shipped in tightly sealed containers, protected from light and moisture. It must be labeled as hazardous, following applicable regulations such as DOT and IATA. Use secondary containment and ship with appropriate documentation and safety data sheets to ensure safe, legal transport. |
| Storage | Store 4-iodo-2-methylpyridine in a tightly sealed container, in a cool, dry, and well-ventilated area away from heat, light, and sources of ignition. Keep separate from strong oxidizing agents and acids. Use secondary containment to prevent spills. Clearly label all storage vessels and ensure access to suitable spill control materials and protective equipment. |
| Shelf Life | Shelf life of pyridine, 4-iodo-2-methyl- is typically 2-3 years when stored in a cool, dry, airtight container. |
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Purity 98%: pyridine, 4-iodo-2-methyl- with purity 98% is used in pharmaceutical intermediate synthesis, where it ensures high yield and batch-to-batch consistency. Melting point 41-44°C: pyridine, 4-iodo-2-methyl- at melting point 41-44°C is used in organic coupling reactions, where easy handling and solubilization improve process efficiency. Molecular weight 220.03 g/mol: pyridine, 4-iodo-2-methyl- with molecular weight 220.03 g/mol is used in heterocyclic compound manufacture, where accurate stoichiometric calculations optimize product formation. Stability temperature up to 60°C: pyridine, 4-iodo-2-methyl- stable up to 60°C is used in fine chemical production, where enhanced thermal stability reduces degradation risk. Particle size <10 µm: pyridine, 4-iodo-2-methyl- with particle size <10 µm is used in high-throughput solid-phase synthesis, where increased surface area accelerates reaction rates. Water content <0.5%: pyridine, 4-iodo-2-methyl- with water content <0.5% is used in moisture-sensitive reactions, where low moisture mitigates side product formation. Assay ≥99% (HPLC): pyridine, 4-iodo-2-methyl- at assay ≥99% (HPLC) is used in API precursor applications, where superior purity guarantees reproducible pharmacological properties. |
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In the world of organic synthesis, nobody wants to waste money or effort on a chemical that falls short. Among thousands of pyridine derivatives, 4-iodo-2-methyl-pyridine stands out, not just as one more building block, but as a dependable step in modern research. Speaking from experience in the lab, this compound earns respect for enabling complex transformations, especially in the drug discovery pipeline. With a methyl group at the ortho position and iodine at the para spot, this molecule offers a smart mix of stability and utility. Each bottle represents hours, if not years, of careful optimization and real-world demand, particularly from labs willing to invest in efficient coupling reactions or unique chemical scaffolds.
Picture high-stakes medicinal chemistry work, hunting for the next lead molecule. The specifics of structure—the placement of both iodine and methyl on the pyridine ring—make this product valuable. Iodine’s large atomic size and ready reactivity give a clear entry point for cross-coupling reactions. The Suzuki and Sonogashira protocols thrive on such choices, allowing for precise introduction of new groups under controlled catalysis. Back at the bench, this targeted reactivity spells less guesswork and less wasted material. The methyl group blocks the adjacent nitrogen, offering a steric twist that steers reactions away from unwanted byproducts. In head-to-head testing with other iodopyridines, that simple methyl twist marks a difference. It might not catch the eye in a catalog but means smoother results in many research workflows.
A solid pyridine derivative makes or breaks many synthetic routes in agrochemicals, material science, and especially pharmaceuticals. A colleague once joked that half the challenge in a complex synthesis comes down to the choice of starting molecules—he wasn’t wrong. Working with 4-iodo-2-methyl-pyridine often means fewer headaches in purification and robust yields. The crystalline quality speaks volumes, letting chemists skip laborious purification steps. Purity checks using NMR and LC-MS rarely throw curveballs, inspiring confidence in the next steps of multi-stage syntheses. Researchers tackling new kinase inhibitors or flavor compounds appreciate a substrate that responds predictably to standard protocols.
Exploring molecular libraries for drug discovery, the pressure never seems to ease. Complex projects in modern labs lean hard into versatile intermediates. This pyridine delivers a ready pathway to introduce aryl, alkynyl, or amine targets with trustworthy precision. The iodine sits primed for careful modification, while the methyl group blocks random reactivity. Those who’ve been called in for last-minute project “rescues” know how rare it is for an intermediate to suit such a range of Pd-catalyzed and C-H activation methods. The compound’s unique structure also nudges synthetic chemists toward complexity without the penalty of unpredictable side products. In high-throughput settings, repetition builds trust fast; valuable intermediates like 4-iodo-2-methyl-pyridine keep complex workflows moving and help researchers sidestep costly missteps.
The most maddening thing about some pyridine derivatives is how they decompose before the reaction starts or refuse to couple when you need them most. Real-world experience highlights the balancing act between stability and desired reactivity. 4-Iodo-2-methyl-pyridine walks that tightrope well. It sits on the shelf without degrading if kept dry and away from sun, but springs to life with the right palladium catalyst. Bench chemists see fewer traces of oxidation or hydrolysis—results that keep timelines on track. In practical use, extra time spent on storage or clean-up drops noticeably. These details echo stories from colleagues across pharmaceutical and academic settings who have lost days or even weeks to less reliable reagents. This product reduces that risk.
Lab budgets never feel limitless and nor do research timelines. Anyone responsible for ordering chemicals knows not all suppliers treat quality the same. I have worked with pyridine derivatives from multiple sources and know that attention to batch consistency matters. 4-iodo-2-methyl-pyridine tends to show tight purity ranges and clear analytical documentation from reputable producers. Missteps in sourcing can turn even straightforward syntheses into trial-by-fire exercises filled with troubleshooting and delays. Many academic and industrial labs have learned the hard way that up-front quality can mean the difference between publishing and revisiting a failed project for months. Rigorous batch testing and consistent supply channels form more than a safety net—they underpin trust in the next step of innovation.
It’s tempting to see all iodopyridines as interchangeable, but even subtle tweaks in substitution shift the entire behavior of a reaction. In 4-iodo-2-methyl-pyridine, the para-iodo and ortho-methyl combination delivers a tailor-made platform for palladium-catalyzed cross-coupling and Suzuki reactions. Other iodinated pyridines may bring ortho or meta substitutions that clutter reaction pathways, forcing extra purification or lowering yields. In practical terms, this means that for target molecules with sensitive substituents, this version maintains straightforward coupling and reduces the appearance of stubborn side products. My time working on multi-step syntheses has shown that even tiny variations in reagent structure tip the odds toward or away from success. Labs using 4-bromo or 2-iodo-3-methyl-pyridine might grapple with incomplete conversions or polymerization events, each one more frustrating than the last.
A reagent’s real value surfaces in repetitive, hands-on work. For lab workers rotating through multifaceted medicinal chemistry screens, compounds like 4-iodo-2-methyl-pyridine unlock a variety of routes in ligand attachment, heterocycle elaboration, or fragment-based approaches. The practical benefit emerges when one reliable intermediate covers several bases, from aromatic substitution to nucleophilic addition. Instead of racking up dozens of intermediate bottles, labs can home in on a few well-characterized staples. In my own workflows, switching to this compound sorted out routes that once dragged on for extra weeks, letting graduate students and postdocs focus on creative steps instead of backtracking after failed setups.
Beyond synthesis, chemists often face analytical challenges that demand high-purity reagents. Even a small amount of side reactant or contaminant throws off mass spec interpretation or confounds NMR peaks. 4-Iodo-2-methyl-pyridine, especially from reliable vendors, holds up well to scrutiny, leading to sharp peaks and uncluttered spectra. From experience, this advantage cuts frustration levels in the lab. Analytical teams have fewer surprises and can confidently trace the fate of every atom in a complex pathway. This clarity also makes downstream patent work less stressful. Nobody wants to stake an intellectual property claim on a synthesis whose reactant purity sits in doubt—or worse, shows unexplained spectral ghosts. The reduced risk brings direct, measurable benefits to both academic productivity and industrial scale-up.
Experience shows that the challenges of gram-scale reactions are far different from those measured in milligrams. Many candidate precursors collapse under the pressure of upscaling. 4-iodo-2-methyl-pyridine has survived scrutiny as projects move from discovery to pilot plant. Chemists appreciate its batch-to-batch consistency and the way standard conditions translate smoothly between small and larger vessels. With good attention to storage and handling, batch outcomes remain reliable. The same intermediates that move projects forward in benchtop settings support progress at more ambitious scales in process development and commercial manufacturing. The pathway from research flask to kilo-lab feels less like a minefield when intermediates remain steady and high-quality throughout.
Synthetic chemistry rewards risk-takers who try new bond disconnections or less-common cyclization schemes. In these advanced efforts, 4-iodo-2-methyl-pyridine demonstrates value with its unique scaffold. Researchers pursuing difficult couplings, such as N-arylations or unsymmetrical polysubstituted systems, report notable breakthroughs when shifting to this reagent. The stability under various bases and tolerance of different solvents support creative work, letting teams chase bold new targets without scrambling for alternative protocols at every turn. Looking at recent literature, the trend is clear; when innovation matters, chemists keep coming back to well-understood platforms like this one. Even in emerging fields such as photoredox catalysis or designer materials, this compound keeps finding new uses.
Chemists know from daily life that handling and storage play a big role in workflow efficiency. 4-iodo-2-methyl-pyridine gives users a crystalline solid that scoops and dissolves without dusty messes or static build-up, traits not shared by every heterocycle. In my own lab work, I’ve found that ease of weighing and predictable solubility can shave hours off a month’s worth of reactions. Hazards from spills or decomposition remain low when the product is handled with standard lab precautions. SDS documentation points to low volatility, reducing inhalation risks. As safety standards and regulatory oversight get stricter, user-friendly handling keeps both graduate students and industrial staff on safer ground. Avoiding sticky residues or tricky waste disposal means less time spent on clean-up and compliance headaches.
Part of what determines a compound’s place in research isn’t just its chemical profile, but also the trust in its ongoing supply. With tighter supply chains in recent years, even niche chemicals face the risks of shortages or shipment delays. 4-iodo-2-methyl-pyridine, owing to active demand in both developed and emerging R&D economies, usually stays in stock with reputable suppliers. This constant availability means less time spent waiting on shipments or scouring alternative sources—key for both fast-paced biotech startups and larger pharmaceutical firms. The global demand ensures that most quality vendors invest in rigorous testing and documentation, not to mention secure packaging for international compliance.
Chemists and procurement officers both take growing interest in sustainability and environmental impacts. Products that offer high conversion rates and minimal waste stand out. In my time tracking waste streams and green chemistry compliance, it became obvious that reagents like 4-iodo-2-methyl-pyridine, which drive target reaction efficiency, support lower solvent and byproduct loads. Process teams looking to comply with ever-tougher standards find that optimizing the use of stable, selective halide intermediates can cut the need for additional clean-up or resource-intensive steps. When it comes to recycling and solvent recovery, the predictable reaction patterns help cut costs and reduce process bottlenecks. Many forward-looking R&D departments now run lifecycle assessments and track the “greenness” of every intermediate, and this product remains a strong candidate for such efforts.
Students, postdocs, and early-career chemists gain much from working with real-world intermediates that don’t throw endless curveballs. Teaching labs looking to simulate “industry-ready” chemistry use compounds like 4-iodo-2-methyl-pyridine to demonstrate classic and modern coupling techniques. It rewards careful attention to stoichiometry, temperature control, and purification, all without the high risk or unpredictability of some more volatile halopyridines. As new talent enters the workforce, they benefit from reliable platforms that foster experimentation instead of forcing students to spend extra time troubleshooting avoidable problems. Many instructors track long-term class projects and see better final outcomes with these reliable intermediates.
Market shifts toward more advanced intermediates reflect real changes in research priorities. As multinational pharmaceutical giants invest in cutting-edge scaffolds and more nimble startups look for out-of-the-box synthetic routes, demand for flexible and high-performing building blocks rises. Lab managers, project leaders, and even corporate buyers grow more selective as costs and project scrutiny rise. Investing in products like 4-iodo-2-methyl-pyridine makes sense for organizations aiming to reduce project risk, boost chemical diversity, and hit discovery milestones faster. Years of incremental improvement in both synthesis and purification come together, making each purchase more about strategic value than generic cost comparison.
A few hurdles still stand out with complex chemical intermediates. Sometimes supply bottlenecks lead to price hikes or unexpected delays. Seasoned chemists know to establish trusted relationships with reliable vendors, keep backup suppliers in mind, and order in anticipation of new projects to smooth over inevitable bumps. In my past work, maintaining an inventory of high-demand reagents served as a hedge against project slowdowns. On the technical side, some may find that minor process tweaks are needed to achieve maximum yields for tough couplings. Here, sharing knowledge at conferences and internal group meetings helps; many times, process improvements travel quickly between organizations and improve the overall efficiency for everyone using the compound.
The modern lab environment relies on more than just good chemicals—it leans into robust data recording, sample tracing, and automation. 4-iodo-2-methyl-pyridine, with its clear spectral fingerprint, fits well into automated synthesis platforms and digital lab notebooks. Routine batch delivery and strong identification standards cut back on transcription errors and make cross-validation easy. In analytical workflows, clean spectra translate into strong data confidence, supporting downstream AI modeling and digital synthesis planning. My time moving between digital and hands-on work exposed the headache caused by ambiguous data—a recurring issue when working with less pure or less well-characterized materials. Products built for clarity help cut down on this frustration.
Lab progress often comes down to informal networks, where chemists share tips, workarounds, and occasional warnings. The best-performing intermediates build a reputation on their track record, as seen with 4-iodo-2-methyl-pyridine. Trade publications, local SIG meetings, and digital forums often circulate updates or troubleshooting tips that make broader use of the compound easier. Whether it’s a tweak to speed up purification or a new use in an emerging technique, the story of this pyridine plays out across research groups in dozens of countries. I’ve picked up shortcuts simply by comparing notes on supplier rankings, storage methods, and successful coupling conditions.
Every team looking to push molecular boundaries depends on intermediates they can trust. Pyridine, 4-iodo-2-methyl-, keeps showing up in the background of patents, publications, and inside stories from leading labs. Careful attention to quality, consistency, and application means that this is more than an item number; it’s part of the real infrastructure that makes modern chemical research possible. It sits in inventory rooms from California to Shanghai, waiting for the next creative leap—a new inhibitor, a brighter OLED, a cleaner catalyst—each built on a foundation of smart choices made at the intermediate stage.