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1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide

    • Product Name 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide
    • Alias SC-236
    • Einecs 629-026-2
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    779236

    Chemical Name 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide
    Molecular Formula C7H11N3O3S
    Molecular Weight 217.25 g/mol
    Appearance White to off-white solid
    Melting Point 148-152°C
    Solubility Soluble in DMSO and ethanol, sparingly soluble in water
    Cas Number Unavailable
    Boiling Point Decomposes before boiling
    Storage Conditions Store at 2-8°C, keep container tightly closed
    Purity Typically >98% (HPLC)
    Synonyms No common synonyms identified
    Smiles CC1=CN(N=C1S(=O)(=O)N)C=O
    Usage For research and laboratory use only

    As an accredited 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, opaque HDPE bottle containing 100g of 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide, clearly labeled, with tamper-evident seal.
    Shipping 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide is shipped in tightly sealed, chemically resistant containers under cool, dry conditions. Proper labeling and documentation are provided to comply with relevant chemical shipping regulations. Packages are secured to prevent damage or leaks during transit, and handled by certified carriers specializing in hazardous materials, if applicable.
    Storage 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from light. Store at room temperature, and ensure proper labeling. Use appropriate personal protective equipment when handling to prevent skin or eye contact and inhalation of dust.
    Application of 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide

    Applications of 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide in Industrial Manufacturing

    1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide is a specialty intermediate utilized by industrial manufacturers in several advanced sectors. As the original producer, we supply this raw material for integration into regulated synthesis processes, focusing on high-value applications that require strict compliance, precise ratios, and process reliability. Below are major industrial fields where this compound supports production pipelines.

    1. Active Pharmaceutical Ingredient (API) Intermediate Synthesis

    Pharmaceutical manufacturers use 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide as a core intermediate in the synthesis of pyrazole-based APIs, particularly for antidiabetic and anti-inflammatory drugs. Production lines incorporate this compound during the condensation and sulfonation stages, directly impacting molecular structure and yield. Operators must maintain pharmaceutical GMP standards, including trace impurity control and solvent residue analysis, at every batch.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP, EP, and JP monograph requirements for related compounds
    • 21 CFR Part 211 cGMP
    • DMF submission requirements for regulated markets

    Typical usage ratio

    • 0.25–0.45 molar equivalents per target API molecule, adjusted per specific synthesis route and purity need

    Downstream process integration

    • Introduced post-initial amination, before final heterocycle assembly
    • Used in closed reactor environments with controlled pH and temperature, monitored for complete reaction by HPLC
    • Critical for pyrazole ring functionalization

    Final product types

    • GMP-grade oral solid dosage APIs
    • Bulk intermediates for further functionalization
    • Pharmaceutical grade fine chemicals supplied for regulatory filings

    2. Crop Protection Active Ingredient Production

    Agrochemical producers integrate this sulfonamide in the synthesis of selective herbicides and fungicides, specifically within the triazole and pyrazole product lines. Batch and continuous processes utilize the molecule in high-shear reactors under nitrogen blanketing, meeting both agrochemical and environmental standards. Analytical QC focuses on residue, heavy metal limits, and compliance with EU pesticide regulations throughout each production run.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • REACH Registration for agrochemicals in the EU
    • ISO 9001:2015 Quality Management for chemical synthesis
    • OECD Principles of Good Laboratory Practice (GLP) for analytical verification

    Typical usage ratio

    • 10–17% by weight in the key condensation stage, adjusted based on desired active loading and carrier compatibility

    Downstream process integration

    • Added after aldehyde activation during active ingredient core formation
    • Participates in sulfonamidation reactions required for final bioactive structure
    • Blending and post-reaction purification performed in agitated reactors

    Final product types

    • Technical-grade pyrazole fungicides
    • Selective herbicide concentrate
    • Custom intermediates for seed treatment agents

    3. Fluorinated Fine Chemical Synthesis for Electronics

    Specialty electronics chemicals manufacturers use this compound as a sulfonamide donor for the production of advanced fluorinated pyrazoles. These materials act as key building blocks for photoresists and etching agents in semiconductor fabrication. Process engineers control the use of the sulfonamide to regulate chain length and substitution patterns. Cleanroom protocols and ISO standards for electronics-grade materials are observed throughout.

    Industry compliance standards

    • IPC-CH-65B Guidelines for electronic chemicals
    • ISO 14644 Cleanroom Standards
    • RoHS Directive 2011/65/EU compliance for raw inputs
    • IECQ QC 080000 for hazardous substance process management

    Typical usage ratio

    • 5–12% by total reaction mass, modified according to required pyrazole substitution degree and process yield targets

    Downstream process integration

    • Fed into fluorination reactors after initial coupling reaction
    • Allows for site-specific sulfonamide introduction on aromatic rings
    • Integrated inline with solvent recovery systems for reuse

    Final product types

    • Photoresist precursors for lithography
    • Microetching chemicals for circuit board manufacture
    • Performance film additives for semiconductor processing

    4. Specialty Dye and Pigment Intermediate Manufacturing

    Dye and pigment makers value this compound as a reactive sulfonamide intermediate for synthesizing high-performance pyrazole-based dyes, especially those offering strong chroma in textile and plastics coloration. The compound enters nitration and diazotization workflows, where closed-loop process control ensures precise shade consistency and impurity minimization for textile safety compliance.

    Industry compliance standards

    • Oeko-Tex Standard 100 for textile chemicals
    • EN 71-3:2019 for pigments in toys and childcare articles
    • ZDHC MRSL for restricted substances in colorants
    • REACH Annex XVII for dye registration

    Typical usage ratio

    • 8–13% by mass relative to dye core, tuned to achieve required molar extinction coefficient and light fastness values

    Downstream process integration

    • Added after initial coupling for sulfonation and stabilization steps
    • Participates in final dye crystallization to set color properties
    • Monitored for free sulfonamide residue via in-process analytical testing

    Final product types

    • Disperse and reactive dyes for polyester and cellulose fibers
    • High-purity pigments for technical plastics
    • Color concentrates for automotive coatings

    5. Veterinary Drug Intermediate Production

    Animal health product manufacturers utilize the sulfonamide structure in the preparation of veterinary actives, mainly sulfonamide antimicrobials and pyrazole-based additives. The compound enters the synthetic route at the heterocycle assembly phase, where veterinary GMP and residue limit guidelines must be strictly followed. In-process quality control includes cross-batch impurity comparison and stability testing under accelerated conditions.

    Industry compliance standards

    • VICH GL guidelines for veterinary product APIs
    • China Veterinary Pharmacopoeia and EP veterinary monographs
    • ISO 9001:2015 Quality Management for animal health chemicals
    • MRLs (Maximum Residue Limits) as required by country of sale

    Typical usage ratio

    • 0.18–0.30 molar equivalents per target molecule, varied according to final antimicrobial or additive concentration

    Downstream process integration

    • Employed after condensation of amine and pyrazole units, just before final sulfonation
    • Blended under inert atmosphere for sensitive compounds
    • QC testing for veterinary use performed at each stage

    Final product types

    • Bulk veterinary antimicrobials (powder and granule forms)
    • Feed-grade additives for livestock
    • Premix intermediates for animal pharmaceuticals blending

    6. Industrial Water Treatment Agent Synthesis

    Manufacturers of specialty water treatment chemicals implement this pyrazole sulfonamide in antiscalant and corrosion inhibition formulas, where sulfonamide functionalities help bind or chelate metal ions in critical cooling and boiler systems. On-site producers adhere to environmental regulations and industrial hygiene requirements to prevent release of untreated intermediates.

    Industry compliance standards

    • ANSI/NSF Standard 60 for drinking water additives
    • ASTM D3826 for trace organic compounds in water treatment
    • REACH compliance for use in EMEA region
    • ISO 14001 for environmental management during production

    Typical usage ratio

    • 1.5–6.0% by mass in concentrated water treatment blends, set per final formulation efficacy and solubility limits

    Downstream process integration

    • Mixed with chelating agent blend prior to final liquid formulation
    • Monitored for purity and matrix compatibility
    • QC sampling of each batch before containerizing

    Final product types

    • Finished liquid and powder antiscalants
    • Corrosion inhibitor packages for closed-loop systems
    • Utility water additive concentrates
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    Certification & Compliance
    More Introduction

    Introducing 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide: A Closer Look at Its Value and Performance

    1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide attracts attention because it fills a distinct need in specialized synthesis work. Experience on the production line reveals plenty about its character. The molecular structure combines pyrazole's solid backbone with a sulfonamide group and an ethylformate in a way that lets it serve as a platform molecule for more complex chemicals. Chemistry teams see this as an entry point for various pharmaceutical intermediates and advanced materials, especially where reactivity and selectivity can't be compromised.

    Understanding the Product: Chemistry at Work

    This compound stands out for its stability and controlled reactivity. The sulfonamide group brings robust electron-withdrawing power, while the pyrazole core keeps the molecule rigid. Our facility emphasizes purity during manufacture—batch after batch, high chromatography methods make sure impurities remain minimal. End users who work in pharmaceuticals or agrochemical research need this kind of reliability. The unique structure carves out performance advantages over other sulfonamide derivatives; in bench work, it tends to show distinct solubility behaviors. Since its methylation occurs at the first position of the ring and the ethylformate occurs at the fourth, reactions that target these positions follow cleaner, more predictable routes, lowering the risk of by-products.

    Colleagues always talk about the trouble of finding intermediates that balance reactivity with shelf life. 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide has a shelf profile that rarely disappoints in practical terms. On sunny days and humid ones, the powder resists clumping and keeps its flow. That small detail makes a day in production smoother, less wasteful, and more efficient.

    Specifications Tailored for Chemistry Professionals

    Skilled professionals keep track of more than just names—they look at melting point, solubility in common solvents, and moisture content. Trials on the manufacturing floor show material purity over 99.5%, with melting points within a narrow window to guarantee batch consistency. Because the market expects only precise cuts of material, we invest heavily in fractional crystallization and vacuum drying. Analyses using NMR, IR, and mass spectrometry screen for unreacted precursors or side-products.

    Often, people ask about form: 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide leaves the reactor as a fine crystalline powder, pale and free-flowing. Analytical teams ensure low residual solvent, often dimethylformamide, stays well below regulatory thresholds. No residue, no off-odors—just the substance, pure and clean. Impurities that could impact downstream reactions receive control right at the reactor, not in post-processing. Each drum leaves with a certificate confirming the specification, and repeat customers quickly come to notice how this cuts troubleshooting time in their processes.

    Comparing with Other Pyrazole Sulfonamides

    Anyone familiar with the sulfonamide family knows not all behave the same. Most sulfonamides offer simple reactivity but lack functional diversity; the unique attachment points on this molecule open doors for chemists. Compare it to 1-methyl-5-pyrazole sulfonamide: the lack of an alkyl ester group means those alternatives can’t participate as deftly in condensation or carbonyl-activation reactions. Scale-up teams dealing with custom synthesis find that this structure improves selectivity in building larger heterocyclic compounds. That translates directly to less time in purification and a higher overall yield.

    Another benefit comes through its stability profile under various pH conditions. Many sulfonamide intermediates break down in basic media. Here, the ethylformate group and the methylation shield the core from hydrolysis during extended processing—experience in pilot plants confirms less degradation during batch runs, even when reaction conditions run slightly outside the ideal. This outcome means waste is reduced and fewer corrective actions are needed, helping teams finish projects under tighter timelines.

    Role in Synthesis Routes: Applications That Matter

    The synthetic chemistry world pushes for efficient intermediates. We’ve watched 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide slot into projects ranging from scale-up for active pharmaceutical ingredients to advanced ligands for specialty polymers. In one application, this molecule simplifies multi-step sequences by acting as a scaffold. Chemists appreciate its reliable reactivity in selective amide bond formation and cyclization reactions, where a less predictable molecule could throw off a whole batch. Academia and industry both value robust intermediates that require little tweaking—one less thing to worry about in a project’s critical path.

    One pharmaceutical group noted that using this compound cut three steps from their usual synthesis, thanks to its compatibility with modern coupling reagents. The resulting APIs went on to pass regulatory review faster, not because the route was shorter, but because it also minimized generate impurities. The cost savings trace back to fewer column runs and less solvent consumption—a detail that rings true across many customers’ cost models. These small but measurable improvements help research teams hit their deadlines and production planners keep schedules tight.

    Handling and Storage: Practical Experience on the Floor

    Production crews prefer compounds that don’t surprise them. Over years of monitoring, 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide has shown solid stability both in drums and during transfers. The powder remains free flowing under common temperature and humidity ranges, which reduces cleanup and avoids contamination. Because it doesn’t tend to absorb moisture from the air, shelf stability stays high. Feedback from logistics partners suggests this makes warehousing simple—no special atmosphere, no refrigeration, just standard dry conditions.

    Handling safety forms another pillar. The compound does not off-gas toxic vapors or react strongly with standard packaging. Protective gear recommendations remain in line with most non-volatile organics. Day-to-day, operators appreciate a product that earns the trust of both chemists planning reactions and safety managers overseeing workplace risk.

    Why Manufacturing Quality Matters

    Large-scale chemical manufacturing never stops evolving. Our process for 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide relies on reactors that keep temperatures tightly controlled for consistent batch times. This discipline means tighter particle size distribution and cleaner endpoints. Project engineers maintain rigorous documentation with every lot, tracing materials from raw input through to finished drum. Recurring customers cite these particulars as the reason process transfers run without a hitch, whether in gram-scale research or multi-ton campaigns.

    Upstream, we built sourcing relationships for starting materials that deliver consistency year-round. This translates into fewer variable impurities in the end product and makes for easier qualification by new research partners. By investing in analytical capacity—HPLC, GC-MS, and titration technologies—we identify trends, nip quality drift in the bud, and confirm at every stage that the product stays inside the promised specification. If discrepancies occur, plant chemists trace the lot and share learnings across every shift. Direct communication and shared expertise drive the improvements customers see in the end product.

    End User Experience: Lessons Learned from the Bench

    Real-world lab work often exposes flaws that brochures miss. Experienced chemists who’ve worked with lower-grade pyrazole sulfonamides remember the hassle of unpredictable reactivity and cleanup headaches. With this compound, teams noticed early on that side-reactions stay minimal even at higher loadings. When developing new process routes, fewer variables mean faster troubleshooting—a direct link between product design and business success. Cleaner reactions translate into more reproducible data and smoother scale-ups.

    Our customers in pharmaceutical research often mention how transparent our lot release criteria and analytical support help them secure regulatory approval faster. Unknowns can raise flags; here, comprehensive documentation supports regulatory filings and audits. Large contract manufacturing organizations in particular need this consistency, because delays from unpredictable intermediates can lead to missed deadlines and budget overruns. The frequency with which our material makes it through third-party verification without a hitch confirms that process investments pay off where it matters.

    Supply Chain and Environmental Responsibility

    Modern chemistry recognizes that reliability involves more than just the molecule. Our approach to manufacturing 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide integrates safer practices, waste reduction, and attentive raw material selection. Waste solvents get recycled at every stage, and emissions controls minimize impact. Regulatory audits of our facility always focus on these processes. By investing in greener technologies and supplier audits, we reinforce a commitment customers notice—procurement teams increasingly turn toward suppliers demonstrating clear environmental compliance.

    Certificates of analysis include not just product purity but also confirmation of compliance with national and international safety standards. Shipping teams coordinate directly with customers’ receiving labs to set expectations about material handling. Every shipment follows industry best practice for labeling, placarding, and secure sealing. This coordinated approach has earned approval across the industry, because it reduces uncertainty and supports a sustainable future for specialty chemicals.

    R&D Perspective: Shaping the Future of Advanced Intermediates

    Working at the interface of industrial chemistry and R&D, our scientists collaborate with partners to tweak product properties for evolving needs. The laboratory bench becomes a test bed for custom derivatives; feedback flows right into process improvement. The story of 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide didn’t start overnight; it developed over numerous cycles of synthesis, scale-up, and customer input. Piloting new synthetic routes brings challenges—finding catalysts that handle the dual substituents, optimizing solvent choices, and building in scalability at every stage. This iterative process built confidence not just in the molecule, but in a way of working that values reliability as much as innovation.

    Product development doesn’t rest. Research chemists use high-throughput screening to gauge compatibility with new drug scaffolds. Process engineers run kinetic modeling to anticipate and solve scale-up problems before they appear on the plant floor. Frequent knowledge-sharing meetings keep every department up to speed on customer requirements. The resulting improvements—faster syntheses, cleaner products, fewer work-ups—feed back into the manufacturing process. These developments keep 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide positioned as a dependable building block for the next generation of advanced materials and medicines.

    Supporting Progress in a Demanding Industry

    The path from laboratory-scale synthesis to industrial production is full of unpredictable variables. What emerges from this journey is a body of experience—a sense of which details count and which shortcuts to avoid. 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide represents one answer to years of listening to research partners and adjusting our approach. Its consistent performance, transparency of process, and track record in downstream applications reflect a deeper commitment to getting the details right.

    Some might view specialty intermediates as commodities, but in reality, the route to a robust fine chemical involves attention to hundreds of small details. A minor impurity or a slight deviation in melting point can cascade into costly delays. Our hands-on control—raw to finished good—grows out of lessons from both success and failure. This culture of iteration, feedback, and technical focus defines why researchers and process engineers alike continue to select this compound from our lineup for their most sensitive and high-profile projects.

    Value for Today, Adaptability for Tomorrow

    As industry standards rise, manufacturing partners must deliver not just quality, but active support throughout the research and production cycle. Over time, our facility’s commitment to rigorous process control and rapid technical response has set 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide apart. Through tight collaboration with customers seeking regulatory approval, or rapid prototyping of pharmaceutical candidates, this product continues to meet the bar for purity, consistency, and reliable delivery. Every improvement grows from direct conversations with those who use it daily—a practice rooted in a deep respect for the complexity and pace of today’s chemical innovation landscape.

    The world doesn’t wait for chemistry to catch up. Research and industry demand more efficient, predictable, and versatile intermediates. By concentrating on practical challenges—unpredictable side reactions, supply chain hiccups, regulatory demands—this compound continues to prove its worth. The focus on practical results, rather than abstract claims, underlines not just what the product does, but how a modern manufacturer plans, executes, and refines every step from molecule to market.

    Efforts will always continue: process upgrades, closer customer partnerships, sharper analytical methods. Real experience shows that these efforts pay off not only in today’s product, but in every future batch manufactured. Supporting progress—one molecule, one project, and one partnership at a time—shapes ongoing work in the fine chemicals world, and 1-Methyl-4-Ethylformate-5-Pyrazole Sulfonamide demonstrates what can be achieved through attention to detail, technical expertise, and genuine collaboration.