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Ethyl 2-Methoxy-5-Sulfamoylbenzoate

    • Product Name Ethyl 2-Methoxy-5-Sulfamoylbenzoate
    • Alias ethacrynic acid
    • Einecs 242-646-2
    • 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
    VTB
    Specifications

    HS Code

    383966

    Productname Ethyl 2-Methoxy-5-Sulfamoylbenzoate
    Molecularformula C10H13NO5S
    Molecularweight 259.28 g/mol
    Casnumber 39218-50-3
    Appearance White to off-white solid
    Meltingpoint 128-131°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Storageconditions Store at room temperature, keep container tightly closed
    Smiles CCOC(=O)C1=C(C=CC(=C1)S(=O)(=O)NH2)OC
    Inchikey OHGPLPVLNNQQUW-UHFFFAOYSA-N

    As an accredited Ethyl 2-Methoxy-5-Sulfamoylbenzoate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Ethyl 2-Methoxy-5-Sulfamoylbenzoate, 25g, is packaged in a sealed, amber glass bottle with a tamper-evident cap and labeling.
    Shipping Ethyl 2-Methoxy-5-Sulfamoylbenzoate is shipped in tightly sealed containers to prevent contamination and moisture exposure. Packages are clearly labeled, compliant with relevant chemical safety regulations. It is transported under ambient conditions with standard handling precautions for non-hazardous, non-flammable solids. Appropriate documentation accompanies the shipment for safe and accurate delivery.
    Storage Ethyl 2-Methoxy-5-Sulfamoylbenzoate should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from moisture and incompatible substances such as strong oxidizing agents. Protect it from light and direct heat. Ensure the storage area is well-labeled, and limit access to qualified personnel. Follow all relevant safety and regulatory guidelines for chemical storage.
    Application of Ethyl 2-Methoxy-5-Sulfamoylbenzoate

    Applications of Ethyl 2-Methoxy-5-Sulfamoylbenzoate in Industrial Manufacturing

    Ethyl 2-Methoxy-5-Sulfamoylbenzoate is a specialty intermediate widely recognized for its unique sulfonamide-ester structure, which delivers consistent results in selected industrial synthesis chains. As the original manufacturer, we supply material with strict batch reproducibility, supporting major production lines that require regulatory clarity, precise formulation guidance, and integration data tailored to real-market finished goods.

    1. Synthesis of Sulfonamide-based Pharmaceuticals

    In the pharmaceutical sector, this compound serves as a key building block in the synthesis of selective sulfonamide APIs, where high chemical purity and compliance with health regulations govern every stage. Our customers synthesize next-generation antibacterials and antihypertensive drugs, relying on this intermediate during multistep coupling or amidation procedures in accordance with stringent global pharmacopoeias. Substitution patterns on the benzoate core are crucial for the final biological activity, and dosage accuracy begins at raw material integration.

    Industry compliance standards

    • United States Pharmacopeia (USP)
    • European Pharmacopoeia (Ph. Eur.)
    • Current Good Manufacturing Practice (cGMP)
    • ICH Q7 guidelines for active pharmaceutical ingredient manufacture

    Typical usage ratio

    • Applied between 0.8 to 1.2 equivalents to key amine coupling partners; ratio optimized depending on target sulfonamide API and scale-up process yield needs.

    Downstream process integration

    • Charged during intermediate synthesis steps for sulfonamide API production, following prior hydrolysis or direct esterification, before final finishing and purification stages.

    Final product types

    • Antibacterial sulfonamide drugs
    • Antihypertensive agents
    • Intermediate pharmaceutical ingredients for contract synthesis

    2. Agrochemical Intermediate Manufacturing

    Our material is routinely employed by global agrochemical formulators as a precursor for constructing modern herbicide and pesticide active agents containing the sulfamoylbenzoate motif. Strict agricultural regulations demand traceability of synthetic origins, and the consistency of our product in esterification and sulfamoylation steps enables batch-to-batch uniformity for bulk agricultural preparations. Finished products from these processes typically address crop protection requirements in highly regulated markets.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • Regulation (EC) No 1907/2006 (REACH)
    • ISO 9001:2015 Quality Management for Agrochemical Raw Materials
    • OECD Guidelines for the Testing of Chemicals

    Typical usage ratio

    • Utilized in 5–12% weight-by-weight concentration as a precursor in multi-step synthesis; ratio tailored to yield targets and type of end-use active ingredient synthesized.

    Downstream process integration

    • Introduced during the fine chemical synthesis chain, following base-catalyzed condensation or amidation, before formulation and crystal modification for the active ingredient.

    Final product types

    • Herbicide active substances with enhanced sulfonamide functionality
    • Fungicidal intermediates
    • Ready-to-formulate pesticide API blends

    3. Dye and Pigment Intermediate Processing

    Our raw material is involved in closed-loop pigment synthesis where the benzoate structure and sulfonamide group determine color fastness and application suitability for industrial dyes. Large-scale dye manufacturers integrate this intermediate in sulfonation and coupling steps to achieve custom chromophores, supporting textile and plastic coloration that must comply with stringent customer performance and safety regulations. Finished dyes require chemical traceability and reproducibility for mass-market deployment.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • REACH Regulation (EC) No 1907/2006 for Textile Chemicals
    • DIN EN 71-3: Safety of Toys (Migration of Certain Elements)
    • ISO 14001: Environmental Management

    Typical usage ratio

    • Added at 2–7% (w/w) of total chromogenic substrate load depending on the final pigment type and shade requirements; formulation refined based on target absorption spectra and application substrate.

    Downstream process integration

    • Enters synthesis during aromatic sulfonation or ester exchange, ahead of diazotization and azo coupling, to impart specific molecular properties to the target chromophore.

    Final product types

    • Water-soluble and solvent-soluble dyes for textile use
    • Pigment dispersions for plastics and coatings
    • Inkjet printing colorants

    4. Specialty Polymer Additives

    Specialty resin and engineering plastic manufacturers use this moiety as a chain-modifying intermediate and functional additive, predominantly where high sulfonamide content imparts unique thermal and chemical resistance to copolymers. The raw material’s compatibility with controlled polymerization sequences facilitates the development of advanced resins, crucial for automotive and electronic insulation applications, all of which operate under tight compliance and traceability protocols.

    Industry compliance standards

    • UL 94 Flammability Standard
    • ISO 1043/1: Plastics – Symbols and Abbreviations
    • RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)
    • ISO 9001:2015 for Polymer Compound Manufacturing

    Typical usage ratio

    • Dispersed at 0.5–3% (w/w) based on polymer matrix requirements or combined additive load; dosage fine-tuned to achieve desired dielectric and flame-retardant properties.

    Downstream process integration

    • Fed into polymer melt or solution during pre-polymerization blending, before extrusion or injection molding in batch or continuous processes.

    Final product types

    • Modified engineering plastics for electronics
    • Wire and cable insulation resins
    • Flame-retardant polymers for automotive interiors
    Free Quote

    Competitive Ethyl 2-Methoxy-5-Sulfamoylbenzoate prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing Ethyl 2-Methoxy-5-Sulfamoylbenzoate: Experience from the Factory Floor

    Making specialty intermediates like Ethyl 2-Methoxy-5-Sulfamoylbenzoate never fits a standard recipe. As the team with hands-on responsibility for its production, we recognize its role not only in organic synthesis but in strengthening the reliability of downstream chemical processes. Our daily work involves turning bulk raw materials into a refined compound that stands out for consistency and purity.

    Model and Specifications: Beyond the Certificate of Analysis

    Ethyl 2-Methoxy-5-Sulfamoylbenzoate finds most of its use in advanced pharmaceutical chemistry, but its path from raw input to finished product focuses on meeting strict purity, low trace residue, and stability expectations. Our model reflects real-world demands, based on years of feedback from process engineers and QC labs. We run continuous particle size checks, manage batch-to-batch color, and pay close attention to water content to prevent crystallization issues at the customer’s end.

    This product typically comes as a pale or off-white crystalline solid, with a molecular weight tailored to its chemical structure. Strict moisture management keeps the solubility profile steady. Sulfamoylbenzoates can show varying reactivity with common reagents; our route to this molecule removes many unknown variables, which reduces reprocessing and downstream filtration problems. By investing in glass-lined reactors and dedicated finishing lines, we minimize contamination and cross-reactivity, giving end-users clean results in their own syntheses.

    How Our Processes Shape the End Product

    There’s a difference between a product that just meets purity numbers and one that behaves predictably in large-scale synthesis. In our experience, the habits formed on the shop floor—strict cleaning protocols, vigilant monitoring of in-process pH, and precise control of heating and cooling rates—lead to product reliability. Human attention to small shifts in batch odor or texture tells us what might be happening long before a QC report appears.

    We see repeated evidence that subtle changes in production, even a slight temperature drift or incomplete washing, often amplify impurities that later throw off analytical balances in the customer’s lab. Each worker knows that if crystals don’t settle as usual, we have to find out why. Batch records matter less than the confidence that what leaves the plant will not force end-users to rerun a purification or face a regulatory filing review. Years in this business have proven that attention to production details leads directly to fewer surprises on the customer’s site.

    Usage in the Real World

    This compound appears most frequently as a building block in pharmaceutical research. Small deviations in purity or crystal habit can affect everything from solubility in screening tests to shelf stability in stored intermediates. Pharmaceutical partners, especially those scaling from grams to tens of kilograms, rely on feedback from our technicians—details about residual solvents, trace ions, and stability trends—to avoid losing weeks in process scale-up.

    We’ve heard from process chemists who needed reliable intermediates for high-throughput screening. Product that dissolves consistently, even with slight differences in solvents, supports smoother automation and fewer process delays. Clients involved with sulfonamide derivatives have shared stories of batches from elsewhere that contained unidentified side products; control over our raw supply and in-house monitoring steps prevents these last-minute surprises.

    Key Differences Compared to Other Sulfonamides and Benzoates

    Compared to simpler benzoate ester derivatives, Ethyl 2-Methoxy-5-Sulfamoylbenzoate introduces both an electron-donating methoxy group and a sulfamoyl moiety, increasing synthetic flexibility. Chemists can tune downstream reactions by leveraging its activation points. Similar molecules without the methoxy group generally show different reactivity in acylation steps; our customers report greater yield consistency when using this compound for specific substitutions.

    Other suppliers sometimes blend or recrystallize to approach specification targets, but these shortcuts risk leaving trace organics not detectable by standard HPLC, later becoming serious hurdles in medicinal chemistry. Our operational approach never leans on such blending, instead building quality into every step—separating this product from generic grades. Working with direct feedback from customers means any persistent analytical outlier gets resolved in our plant, not pushed onto your project teams later.

    Some in the business focus only on posting technical data and ignore the details of actual plant operation. In contrast, our expertise isn’t abstract. Every improvement, from redesigning our agitation configuration to investing in in-line IR monitoring, came from troubleshooting real-world production roadblocks. Each new campaign shapes how we refine procedures around the physical realities of this specific molecule.

    Challenges in Maintaining Purity and Consistency

    Much of chemical manufacturing involves wrestling with invisible impurities. Even a fraction of a percent of side-reaction products can complicate purification and delay research timelines. We’ve seen how batch-to-batch drift can come from as little as a change in city water source, new batch of acid, or altered vendor for solvents. Staying alert to these real-life fluctuations, we adapted by implementing source tracking for every incoming bulk shipment and running parallel pilot batches whenever a new supplier enters the mix.

    Standard QC cannot always predict field performance; practical consistency shows up most clearly when customers report fewer purification headaches. In our process, layered filtration and double-staged solvent removal cut down on the kinds of residues that show up months later as dark spots or unknown peaks in customer chromatograms. We test every batch under several dissolution protocols, sharing results directly with customer labs. This hands-on approach, often missing from traders and brokers, stems from watching client processes succeed or stall based on our material quality.

    Working with Researchers and Scale-Up Partners

    Researchers moving from milligram to multi-kilogram scales face a host of practical issues—shifts in crystallization, altered solubility, batch drying rates—all of which hinge on the idiosyncrasies of every intermediate. Thanks to routine conversations with scientists on the ground, we learned which contaminants trigger downstream yield loss and adjusted reaction conditions accordingly. Senior chemists on our floor carry institutional memory about things typically left off process sheets—how fast to quench, where to check for exotherms, when to adjust stir time by gut feel. This person-to-person knowledge gets baked into the final product.

    The knowledge built up supplying bulk Ethyl 2-Methoxy-5-Sulfamoylbenzoate means we recognize the signals of a process veering off course. As scaling partners, we offer direct recommendations about storage, shipment temperature, and secondary drying, learned from handling full container batch runs. By responding directly to recurring questions—how it behaves under strong acid, how micro-impurities affect coupling yields—we strive to help clients see fewer surprises when ramping up to production scale.

    Meeting the Market’s Tightening Demands

    Across the specialty chemicals sector, the tolerance for inconsistent materials keeps shrinking. Many companies now demand documentation at every step, from ingredient tracking to batch genealogy. Our strong auditing trail did not appear overnight; it took extended troubleshooting of trace heavy metals and volatiles to develop the robust in-house assays we use today. Clients often ask about residual elemental analysis or stress test results; we provide real batch data rather than generic targets.

    Because much of the market still operates under cost and speed pressure, there’s temptation to source cheap versions through extended supply networks. Years of working directly with pharmaceutical and specialty chemical firms have taught us that cost savings evaporate when facing rework, analytical reviews, or project delays. Our reputation depends on quality measured by actual field results, not just numbers on a certificate.

    Customers running sensitive downstream chemistry have told us how small, unnoticed changes in input quality forced multiple revalidations. We keep direct communication open with these partners to identify any pattern shifts, adapting processes quickly rather than burying problems. This feedback loop distinguishes a manufacturer from a broker. Instead of chasing volume, we focus on predictable quality backed by transparent real-world data.

    Addressing Process and Regulatory Hurdles

    Regulators continue to heighten demands for documentation, traceability, and reproducibility. For us, this means that batch records, operator logs, and in-process monitoring become as central as the reactors themselves. Teams use digital trace systems, capturing all adjustments, anomalies, and operator notes for each batch. Any process tweak or deviation finds its way into future campaigns, so every synthesis passes forward documented lessons rather than relearning avoidable failures.

    We share this documentation with clients who themselves must file regulatory submissions, supporting everything from impurity profiles to stress data under real transport and storage conditions. Real product experience—tracking which batches showed unexpected color shifts or low solubility—has sharpened our preventive controls. Sometimes, more time spent on exacting record-keeping and pre-release checks means a longer lead time, but our clients report smoother audit outcomes and quicker regulatory sign-offs.

    Learning from the Production Line: What Sets Us Apart

    Many factory improvements emerge from watching real batches and listening to operators. Our best product modifications came from assembly line suggestions—slower stir speeds, extra filtration, and tighter solvent grade standards—that improved long-term stability and customer experience. Years of production have shown that most product complaints start as minor anomalies: a faint color change, a slightly unexpected melting point, or an odd filtration time. While these details sound small, each can snowball into larger production-scale issues if not caught early.

    Most of our team members have decades of combined experience. Drawing on this continuity, we refine the product with every feedback cycle. We keep specialty reactors reserved for high-purity batches and dedicate experienced technicians to every run, making real-time adjustments as needed. By prioritizing this stable workforce and tacit knowledge, we have seen measurable drops in out-of-spec batches and improved customer satisfaction ratings.

    Real Solutions to Common Industry Problems

    Our hands-on approach has allowed us to address issues others overlook. For instance, preventing batch-to-batch variation starts by stabilizing supply chains—ensuring steady sources for key inputs and always running parallel small-scale batches on new ingredients. A robust pre-filtration and double crystallization stage helps eliminate seed crystal contamination, which, left unchecked, spirals into rejection of tons of finished material.

    We address risks of spurious peaks in HPLC or GC by investing in point-of-production analytics and by partnering closely with external labs for routine cross-validation. Every identified anomaly in spectroscopic data triggers a batch review—these steps are not left for the end-user to discover after shipment. Real-world feedback guides our investment in temperature- and humidity-controlled warehousing, reducing product degradation risks and supporting long-distance clients.

    Supporting Diversifying Research Needs

    Pharmaceutical research now calls for more specialized, complex intermediates. Projects often pivot between alternative synthetic routes based on new findings. Our manufacturing routines have adapted for small-batch flexibility, enabling tailored runs that explore alternative crystallization solvents or purity enhancements. Every iteration brings new process notes, which we roll back into improving future product.

    Handling this compound across dozens of projects keeps our technical teams alert to applications beyond classic medicinal chemistry. Some innovative clients integrate this intermediate into screening for agricultural compounds or as a scaffold for new material science work. Because our product arrives with detailed batch testing and lived-in plant experience, research teams gain trusted building blocks for high-value investigations.

    Final Remarks: Commitment Gained from Direct Production

    Producing Ethyl 2-Methoxy-5-Sulfamoylbenzoate at manufacturing scale means facing the consequences of each decision, from sourcing and reaction set points to batch release. Our practices have sharpened from repeated lessons in both success and setback—whether it’s troubleshooting a solubility issue reported from a pharma partner or adjusting filtration after fielding an impurity complaint. True E-E-A-T in chemical manufacturing grows from this lived history, real-world feedback, and direct accountability for what arrives in a customer’s lab.

    We share our product as much as our process, backed up by open conversations and traceable data. Each ton that leaves our factory aims to save hours, avoid headaches, and promote success in the most demanding research and manufacturing settings. Our focus remains on quality, partnership, and the continuous hard work of chemical production—one batch at a time.