4-(3-Methylphenyl-amino-3-pyridinesulfonamide

    • Product Name: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide
    • Chemical Name (IUPAC): 4-[(3-methylphenyl)amino]pyridine-3-sulfonamide
    • CAS No.: 145783-15-9
    • Chemical Formula: C12H13N3O2S
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    900366

    Iupac Name 4-[(3-methylphenyl)amino]pyridine-3-sulfonamide
    Molecular Formula C12H13N3O2S
    Molecular Weight 263.32 g/mol
    Appearance Solid (exact color may vary)
    Solubility Soluble in DMSO, limited solubility in water
    Chemical Class Aromatic sulfonamide
    Structural Features Contains a pyridine ring and a methyl-substituted aniline moiety
    Synonyms 4-(3-Methylphenylamino)-3-pyridinesulfonamide

    As an accredited 4-(3-Methylphenyl-amino-3-pyridinesulfonamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, screw cap, labeled with hazard symbols; contains 25 grams of 4-(3-Methylphenyl-amino)-3-pyridinesulfonamide, batch and expiry details included.
    Container Loading (20′ FCL) 20′ FCL container loading: Securely packed 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) in sealed drums/bags, maximizing space and ensuring safe chemical transport.
    Shipping The chemical 4-(3-Methylphenyl-amino)-3-pyridinesulfonamide is shipped in tightly sealed containers suitable for chemicals, ensuring protection from light, moisture, and physical damage. All packaging complies with relevant safety regulations, including labeling for hazardous materials, and includes documentation for handling and transport in accordance with local and international shipping standards.
    Storage Store 4-(3-Methylphenyl-amino)-3-pyridinesulfonamide in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect from light and moisture. Ensure storage is in accordance with local regulations and chemical safety guidelines, and keep out of reach of unauthorized personnel. Handle with appropriate personal protective equipment.
    Shelf Life 4-(3-Methylphenyl-amino)-3-pyridinesulfonamide typically has a shelf life of 2-3 years if stored in a cool, dry place.
    Application of 4-(3-Methylphenyl-amino-3-pyridinesulfonamide

    Purity 99%: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) with a purity of 99% is used in pharmaceutical intermediate synthesis, where the high purity ensures consistent yield and reproducible pharmacological activity.

    Melting Point 212°C: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) at a melting point of 212°C is used in high-temperature reaction processes, where its thermal stability allows for safe processing and minimal decomposition.

    Molecular Weight 265.32 g/mol: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) with molecular weight of 265.32 g/mol is used in medicinal chemistry research, where the optimized mass facilitates precise dosing in structure-activity studies.

    Particle Size <5 µm: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) with particle size under 5 µm is used in tablet formulation, where fine particle size improves blend uniformity and dissolution rates.

    Moisture Content <0.2%: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) with moisture content below 0.2% is used in solid dosage manufacturing, where reduced hygroscopicity enhances product shelf-life and flowability.

    Stability Temperature up to 60°C: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) stable up to 60°C is used in bulk storage and transport, where temperature resilience prevents degradation and maintains quality standards.

    Solubility in DMSO >50 mg/mL: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) soluble in DMSO above 50 mg/mL is used in high-throughput biological screening, where enhanced solubility supports higher assay concentrations and better bioavailability assessment.

    HPLC Purity >98%: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) with HPLC purity greater than 98% is used in analytical reference standards, where peak purity ensures reliability and consistency in quantitative analysis.

    Assay by Titration 98-102%: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) with titration assay between 98-102% is used in quality control laboratories, where accurate assay range delivers validated result reproducibility.

    Residual Solvent <500 ppm: 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) with residual solvent content below 500 ppm is used in regulated drug substance production, where low solvent residues meet international safety and compliance standards.

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    Certification & Compliance
    More Introduction

    Introducing 4-(3-Methylphenyl-amino-3-pyridinesulfonamide): Built on Experience, Shaped by Precision

    Committed to Responsible Chemistry and Transparent Manufacturing

    As manufacturers, the chemical plant floor has taught us that every batch of 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) reflects a sum of discipline, expertise, and continuous tuning. Each year brings new feedback from research groups, pharma labs, and specialty formulators. Their needs push us to hold up each drum of this product to scrutiny, making sure it matches the standards they've learned to expect. Over the years, we have heard success stories from those pushing the limits of medicinal chemistry and small molecule synthesis. Much of their progress depends on the performance of the ingredients they choose. Because of that, our focus rests on process control, traceability, and straightforward relationships—not flash or marketing gloss. 4-(3-Methylphenyl-amino-3-pyridinesulfonamide carries a reputation for reliability, both in scale-up projects and bench work. Our factory output isn’t a commodity line. Rather, it reflects experience, careful engineering, and a long track record of being tuned in to how this molecule behaves through multiple synthesis and use cases.

    Practical Characteristics

    The molecular structure of 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) brings together a methylphenyl amine and pyridine sulfonamide moiety, which gives it unique reactivity and selectivity in further functionalization steps. Over time, we’ve refined the standard batch specification for routine lab and pilot plant settings. Common requests include material at over 98% HPLC purity, white to off-white crystalline solid, moisture content below 1%. Each drum is sealed in inert-gas conditions to preserve quality during transit and storage. For users needing extended documentation, we provide HPLC, NMR, and MS batch data tied directly to production runs.

    Each certificate goes through a triple-check before it leaves our dock. Customers with specialized solvent or particle size concerns sometimes ask for custom grinding or alternate crystallization methods. Those requests get handled case by case, by production chemists—not middlemen. Each special requirement means a set of protocol tweaks, with new sampling and quality control measures implemented on the shop floor. It's about problem-solving, not box-ticking.

    Applications that Matter in Real World Chemistry

    In practice, 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) has become a versatile intermediate for drug research, agrochemical development, and more recently, advanced materials synthesis. The structure provides a flexible anchor for coupling reactions, making it useful for building libraries targeting various biological pathways. Labs working on kinase inhibitors often come searching for intermediates that lend reliability across multiple steps. Those groups report better yields and fewer byproducts when using material from production partners who sweat the details—drying cycles, solvent residuals, even the packing system. Smaller projects needing only a few grams can expect the same attention as kilolab users, since a missed impurity at the small scale can derail months of work at the next stage.

    Unlike bulk commodity amines or sulfonamides, this compound lives under the scrutiny of anyone working with specialty scaffolds or SAR expansion. If you walk the production line, it’s easy to see why: The steps in our process, from raw material selection through crystallization and drying, draw from decades of fine chemical manufacture. Strict management of process temperatures and careful addition rates help cut down on color body formation and side-product accumulation. By working directly with end-users, we avoid the silent drift in quality that comes when the supply chain gets too long or technical knowledge is lost between handoffs.

    Differences: What Sets This Product Apart

    Many compounds with similar backbones hit the market from various sources. A few years ago, we brought in side-by-side samples of raw material intermediates from traders and overseas brokers. We found higher levels of byproducts, sometimes isomeric, sometimes unrelated. The problem showed up in inconsistent melting points, unreliable solubility, and spotty pharmacological results when trialed by our customers. Rather than focus on squeezing out the lowest price per kilo, we spend more on raw input selection. Suppliers aren’t brought in unless they meet our baseline for purity and track all intermediate lot numbers. The result: We keep tighter tolerances and achieve reproducible purity that stands up, batch after batch. Each year, we audit our process steps against the best available analytical feedback, putting in new controls where even slight improvements can be made. Rapid release of finished product is never prioritized over getting the numbers right. If a drum doesn’t meet spec, it goes back—not out the door.

    Compared to alternatives made without control over moisture, filtration, and final wash, ours stands out by remaining stable in long-term storage. Users looking to extend shelf-life or needing reliable solubility curves in polar organic solvents notice the difference most. Several have sent us samples from other sources, often showing haze or colored residues that point to incomplete removal of mother liquor or excess base. By investing aggressively in process engineering, we keep contaminant profiles below levels that create trouble at downstream steps. No surprise then, that most repeat customers found us not by marketing but after field failures from lesser suppliers. Reproducibility in both yield and biological effect demands that kind of manufacturing discipline, and it’s a point of pride on the plant floor.

    Real-World Troubleshooting: Lessons Earned from Experience

    Over the years, we have participated directly in troubleshooting strange TLC spots, confusing LCMS peaks, and the “inexplicable” behavior that comes from poor-quality intermediates. During one week a few years ago, a long-time customer reached out, describing odd solubility results in their downstream coupling reactions. By walking through the details with their lab staff and reviewing past production runs, we flagged a slight change in drying protocol—nothing that jumped out, but enough to introduce a trend. Fixing it meant going back and adjusting the dryer load size and fine-tuning vent times. Problems traced back to root causes rather than being pushed aside. Our feedback loop depends not just on internal QC data, but on real relationships with the scientists and engineers using what we make.

    Shipping material globally brings its own problems. Changes in regional climate can have subtle effects on crystal integrity if moisture traps under the packaging. Each time a shipment leaves the plant, a technical staffer reviews the log for the shipment’s route and expected transit time. If the path runs through high-humidity zones, extra desiccant packs or custom barrier liners get added. By thinking ahead and caring about the last meter as much as the first, we avoid post-delivery surprises. It’s not just about paperwork. It’s about solving predictable problems before they become failures.

    Safety, Sustainability, and Accountability in Production

    Competence begins before the first raw material is loaded. Our entire manufacturing facility runs under strict chemical safety management. Operators wear personal protective equipment suitable for both organosulfur and aromatic amine handling. All storage and transfer steps occur under nitrogen blankets. Drip and vapor traps prevent contamination of air and water. Our effluent control system is certified to curb emissions below required limits, and the plant’s internal audits run beyond regulatory mandates.

    With growing scrutiny on chemical supply chain transparency and environmental impact, we made a commitment to reduce organic waste during the process. Years ago, batch yields would vary with a fair bit of wasted solvent. Relentless improvement projects have brought those numbers down, cutting waste by more than thirty percent over the last decade. Partner labs with green chemistry goals appreciate this, especially those who need assurance that their input materials line up with environmental pledges made to funding agencies and oversight boards. Reduced waste cuts costs in the long run, but carrying that practice out consistently means putting people and their training at the center of operations—automation alone doesn’t do the job.

    Quality assurance doesn’t get left in the lab. Every team member—from shift supervisors to weigh-batch technicians—knows the signs of drift, inconsistency, or potential contamination. New hires undergo a months-long period shadowing experienced staff before working solo. That institutional memory gets passed along the most effective way: on the job, with real consequences and shared wins.

    Serving Research, Scale-Up, and Industry

    Our 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) has found its way into research projects spanning drug discovery to materials science and diagnostics. Some clients only require a single sample, while others plan for multi-ton programs with staged releases. Supporting both needs isn’t about the quantity—it revolves around treating each batch as irreplaceable until proven otherwise. Scientist-to-scientist communication shortcuts wasted cycles, so project managers familiar with the quirks of real chemistry get paired up directly with those using our compound in their workflows. Requests for alternative pack sizes, sterile fills, or unique purity grades get handled in conversation, by doers, not coordinators.

    As competition heats up and speed-to-market accelerates, shortcuts in material sourcing tempt many to shop on price or convenience. Our approach rests on trust: delivering the identical compound, to the same standard, every time. We invest in upskilled workers, reinforced safety systems, and digital batch tracking. As a manufacturer, we have seen every flavor of corner-cutting, bottleneck, and late-night wakeup calls from users in trouble. Cutting corners on upstream quality comes with a higher cost in lost time and failed syntheses than most realize until it’s too late.

    Innovation Underway: Staying Ahead, Not Caught Up

    Many in our staff came to us after long years at the bench, tired of chasing high-input-script but low-output supply chains. That perspective keeps us leaning into both continuous improvement and open dialogue. As analytical technology evolves, our labs routinely update their calibration standards, cross-referencing external controls to fend off drift. If newer, greener synthesis variants become feasible—using milder conditions, less sensitive reagents, or recyclable media—these get piloted on our test reactors before full-scale rollout. Incremental change matters as much as giant leaps. About five years ago, a small procedural tweak in mother liquor recovery not only cut down solvent input, but also reduced residual base in finished product by a solid margin. Sharing that kind of know-how with customers helps them avoid similar bumps down the road.

    Some years, we see regulatory frameworks tighten up around reporting requirements or permissible impurity levels. Our batch record system, developed with both internal and external auditors in mind, keeps each milestone (from charge to pack-off) documented. Tracking every data point means answering tough questions when they arise, rather than scrambling to plug holes. Customers facing their own compliance hurdles appreciate being able to trace each lot to the source, with no ambiguity.

    Looking Forward with Purpose

    The last few years challenged everyone in the chemical industry to deliver reliability in a changing landscape. Whether driven by supply chain interruptions, logistic slowdowns, or lab bottlenecks, expectations shifted upward. We responded by tightening documentation practices, expanding capacity, and revisiting every SOP for pain points. As technology changes, it’s easy to get distracted by talk of disruption or digitalization for its own sake. For us, value gets created by manufacturing teams with both hands on the process and both eyes open for improvements. Our success with 4-(3-Methylphenyl-amino-3-pyridinesulfonamide) depends not just on a piece of equipment or a spec sheet, but on a culture of accountability, pride, and learning from every batch—successful or not.

    We are committed to pushing this product category forward, one run at a time. By keeping conversations open, investing in both people and process, and standing firmly behind every container shipped, we aim to serve the community of chemists, engineers, and industries who rely on our output. Lessons from the shop floor, feedback from our partners, and the constant drumbeat of progress shape not just the compound itself but also the next generation of manufacturing standards for specialty chemicals worldwide.