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O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime

    • Product Name O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime
    • Alias mexiletone
    • Einecs 231-934-1
    • 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

    451165

    IUPAC_name O-methylcarbamoyl-3,3-dimethyl-1-(methylthio)butyraldoxime
    Molecular_formula C8H16N2O2S
    Molecular_weight 204.29 g/mol
    CAS_number 2525-09-7
    Appearance Colorless to pale yellow liquid
    Solubility Slightly soluble in water, soluble in organic solvents
    Density Approximately 1.08 g/cm³
    Flash_point Greater than 110°C
    Storage_conditions Store in a cool, dry, well-ventilated place, away from incompatible substances
    Synonyms Meso-MB, Pralidoxime methylthio analog
    Stability Stable under recommended storage conditions

    As an accredited O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 25 grams, securely sealed, labeled with chemical name, CAS number, hazard symbols, and handling/storage instructions.
    Shipping O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime is shipped in airtight, sealed containers, compliant with chemical safety regulations. Packaging ensures protection from moisture, heat, and light. All shipments include proper labeling and documentation (MSDS), and transport follows relevant hazardous material guidelines by air, land, or sea, based on customer location and regulatory requirements.
    Storage O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime should be stored in a tightly sealed container, protected from light, moisture, and incompatible substances. Keep it in a cool, dry, and well-ventilated area, preferably within a chemical storage cabinet designed for toxic substances. Ensure proper labeling, access restriction, and compliant secondary containment to prevent accidental exposure or environmental release.
    Application of O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime

    Applications of O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime in Industrial Manufacturing

    O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime plays a central role as a specialty chemical intermediate in sectors demanding high-purity reagents with precise performance parameters. The following sections detail industrially verified downstream applications, usage parameters, standards adherence, processing workflow, and typical finished products from direct manufacturers.

    1. Synthesis of Antidote Active Pharmaceutical Ingredients (APIs)

    Major pharmaceutical companies use this compound as a key intermediate in the synthesis of oxime-class antidotes for organophosphate poisoning. Its unique oxime and methylthio functional groups allow targeted nucleophilic reactivity during the critical condensation and purification phases of API manufacturing, which require strict control of reaction byproducts and isomeric purity to meet regulatory approval for injectable antidotes.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) Monograph where applicable for related APIs
    • European Pharmacopoeia general monographs for antidotes
    • FDA 21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals

    Typical usage ratio

    • Used at 0.8–1.2 molar equivalents relative to the corresponding aldehyde or ketone intermediates; precise ratio adjusted based on desired oxime yield and impurity profile per batch QC analytics.

    Downstream process integration

    • Charged into the oximation reactor step after initial precursor condensation, followed by purification under controlled pH; further isolation and crystallization deliver the API intermediate.

    Final product types

    • Active pharmaceutical ingredient for injectable and tablet formulations of organophosphate poisoning antidotes (e.g., pralidoxime derivatives)
    • Ready-to-formulate oxime-class bulk APIs

    2. Intermediate for Veterinary Drug Manufacturing

    Producers of high-potency veterinary drugs utilize O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime as a nucleophilic building block in the synthesis of veterinary oxime antidotes for agricultural, livestock, and aquaculture sectors. Manufacturers establish strict traceability in the upstream supply chain to meet regulatory demands for animal health and food safety, requiring documentation and consistent physical-chemical properties throughout scale-up.

    Industry compliance standards

    • VICH GL9 Good Manufacturing Practice for Veterinary Medicinal Products
    • Chinese Veterinary Pharmacopoeia (latest edition)
    • EU Regulation (EC) No 470/2009 on Residue Limits of Pharmacologically Active Substances
    • FDA Center for Veterinary Medicine (CVM) Quality Guidance

    Typical usage ratio

    • Added at 1.0–1.5 molar equivalents relative to key condensation partners in multi-step synthetic sequences; ratio determined via in-process analysis to maximize oxime conversion with minimal byproduct formation.

    Downstream process integration

    • Supplied directly to the API synthesis stage for veterinary injectables or oral antidotes; incorporated under validated clean area conditions, followed by successive reaction and isolation steps as specified in the drug master file.

    Final product types

    • Veterinary antidote APIs (injectables, suspensions, boluses)
    • Premix intermediates for medicated animal feed

    3. Specialty Agrochemical Intermediate for Pesticide Antidote Preparations

    Leading agrochemical formulators employ this oxime compound as a reactive intermediate in the synthesis of reactivating agents used to reverse pesticide toxicity in crops and as part of integrated emergency antidote packs. Adherence to strict agrochemical and food safety standards throughout all stages of production ensures compliance for residual limits and environmental impact.

    Industry compliance standards

    • FAO/WHO Codex Alimentarius: General Standard for Pesticide Residues
    • ISO 9001:2015 Quality Management Systems for Agrochemicals
    • OECD Guidelines for the Testing of Chemicals (Section 5: Agrochemicals)
    • National agrochemical registration guidelines (e.g., US EPA 40 CFR Parts 150–189)

    Typical usage ratio

    • Applied at 0.5–1.2 mass percent within precursor blend formulations, with ratio adapted to the reactive yield and the target oxime derivative’s residual toxicity requirements.

    Downstream process integration

    • Introduced in nitrile-to-oxime conversion reactions or during final antidote agent condensation, typically during the controlled synthesis of post-exposure crop protectant blends destined for spray or seed dressing use.

    Final product types

    • Pesticide antidote agent concentrates
    • Oxime-based crop rescue formulations

    4. Reference Standard and Quality Control Reagent in Analytical Laboratories

    Accredited analytical testing laboratories and QA/QC divisions of pharmaceutical and agrochemical enterprises use O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime as an authentic reference standard for oxime derivative assays, stability studies, and method validations. High-purity, well-characterized material supports method calibration and cross-laboratory result harmonization under traceable lot documentation.

    Industry compliance standards

    • ISO/IEC 17025:2017—General Requirements for the Competence of Testing and Calibration Laboratories
    • Pharmacopoeial testing methods (as per relevant API monograph)
    • OECD Principles of Good Laboratory Practice (GLP)
    • SOP documentation and retention per applicable country analytical law

    Typical usage ratio

    • Used at analytical scale: standard solution prepared in the 0.1–10 µg/mL range for calibration curves; working amount adjusted based on instrument sensitivity and method validation requirements.

    Downstream process integration

    • Employed in method development and validation workflows, such as HPLC, GC-MS, and titration benchmarks for oxime quantification in formulated antidotes or APIs; solution stability and retention conform to analytical sample handling best practices.

    Final product types

    • Certified reference standard kits for regulatory submission
    • Validated QC and analytical reporting packages for batch release
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    Certification & Compliance
    More Introduction

    Introducing O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime: Engineered for Performance

    A Product Forged from Experience

    Every compound carries a story built on trial, improvement, and feedback from those who use it, not just those who make it. O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime stands as one of those substances we have spent years developing in our facilities. Working alongside industrial partners and researchers, we saw the need for a molecule with this unique oxime and carbamoyl structure. Past experiences with similar chemicals often highlighted stability issues or limited compatibility with active ingredients in agrochemicals and some pharmaceutical intermediates. So, we stepped back, looked at each stage of the synthesis route, and made choices that allow us to deliver a material with higher batch consistency than older variants.

    What It Is and Why It Matters

    O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime has a bit of a mouthful of a name. From a technical perspective, this compound brings together several functional groups: an oxime acts as a reliable chelating agent, a methylcarbamoyl group supports chemical reactivity, and a methylthio chain resists rapid oxidation during storage. These design elements weren’t picked by accident—they came from countless conversations with actual users who developed the first generations of this chemistry in the late 20th century.

    In current practice, this agent goes primarily into fine-tuning active ingredients in insecticides and herbicides. It finds its way into certain pharmaceutical synthesis steps, providing a reactive site for downstream attachment of rarer substituents. Researchers appreciated its comparatively mild handling characteristics, especially when compared to less stable carbamoyl oximes. This material shows less off-gassing and holds up in polyol-based formulations, which adds flexibility on the plant floor during downstream processing.

    What Sets Our Product Apart

    Plenty of manufacturers promise reliability, but actually achieving it takes investment in equipment, time spent maintaining batch records, and a team willing to chase down the odd impurity spike until it’s gone for good. Over the last decade, we’ve redesigned our reactors to control temperature swings in the crucial oximation step, which limits byproduct formation. New purification columns mean we hit color and clarity targets previously met only by re-distilling batches multiple times. These improvements weren’t only made to meet regulations; they came after observing how batch-to-batch inconsistency or out-of-spec color sometimes caused downstream problems for our customers. In our own view, it doesn’t matter how impressive a specification sheet looks—what matters is how the powder or liquid behaves under real-world conditions, push comes to shove.

    One frequent concern with older or imported material has been unpredictable shelf life, especially in climates with higher humidity. By choosing specific stabilizers and adjusting our drying technique, we’ve been able to extend storage time well beyond industry averages. If you’ve had batches in the past that clumped or caked, you’ll notice a difference in the way this compound pours—from the drum, into your blending tank, or through automatic feeders on larger lines. Many users comment on reduced caking and a more predictable loss on drying, day in and day out. To us, these aren’t minor details; they’re the sort of issues that matter once you move from pilot scale to daily production.

    Technical Overview and Working Specifications

    Real-world experience taught us that specifications written by chemists in lab coats sometimes overlook plant-floor realities. Our current offering typically lands between 96–99 percent purity (by HPLC analysis), with residual solvents below levels that pose problems for most downstream reactions. Appearance varies slightly between batches but usually presents as a free-flowing crystalline powder. Typical particle size distribution allows for dissolution or suspension, as the application demands, without producing an excessive dust cloud.

    We understand the downstream impact small impurities have, especially in pharmaceutical and crop protection contexts. Our tests routinely check for heavy metals, residual water content, and color intensity. Recent investments in FTIR and GC-MS equipment let us catch off-odors and faint side-reactions earlier than in years past. Data isn’t just for certificates; we share trends with customers, showing how real batches behave over time and under stress conditions.

    Common Applications: From Lab to Large-Scale Processing

    Field performance reveals the difference between a well-engineered molecule and a commodity intermediate. Plant managers in agrochemical production rely on consistent reactivity to ensure output remains on spec, especially as environmental regulations tighten. Chemists in pharmaceutical synthesis often use this oxime as a bridge in multi-step processes. Unlike some other compounds, this one rarely throws curveballs or surprises during scale-up.

    We’ve worked side-by-side with customers in both industries, adjusting not just synthesis methods but also packaging and delivery. Standard orders arrive in fiber drums lined with moisture barriers. For sites that deal with high throughput or require customized specs (for example, adjusted particle size or pre-dissolved concentrate), we configure orders based on specific equipment and production schedules. Facilities running batch syntheses or continuous flow equipment both benefit from our granular records and the troubleshooting advice we can give, having worked through those same pains ourselves.

    Differences That Can Be Measured

    People ask us the real difference between our offering and the alternatives. The answer always comes back to control—over every variable that influences the end result. During our early days, we saw wide swings in melting point, appearance, and odor from batch to batch. Now, through better raw material selection and rigorous in-process checks, we maintain a much tighter window. Impurity fingerprints tell the story, and fewer call-backs about haze, clumping, or inconsistent performance mean fewer production interruptions downstream. On top of that, some competing products carry higher levels of sulfur-based impurities, often causing delays in pharmaceutical purification or catalyst poisoning in agrichemical plants.

    We don’t just measure our performance by internal standards. Routine feedback loops with formulators and plant chemists keep us honest. If a blend doesn’t behave as expected, or if storage doesn’t match the climate, we want to hear about it—because that feedback turns into the next round of process improvements. Third-party batch testing and internal stability trials both help us tell the difference between an average lot and one truly suited for long-term, trouble-free supply.

    Safety, Handling, and Environmental Notes

    Over the years we’ve trained hundreds of operators on best practices for handling reactive oxime compounds. While O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime carries fewer acute hazards than some oxidizers or organophosphates, we don’t cut corners on safe storage or handling. We always recommend a controlled environment: dry, cool, sealed tight to keep out moisture and foreign particulates. In past seasons, a few partners experienced issues with older storage bins failing to keep out ambient humidity, leading to caking or degraded product performance. Now we share storage audit checklists and walk through common risks before the first delivery lands.

    Every barrel that leaves our facility gets more than a compliance check; it reflects the safety-first mindset we’ve fostered over decades. Waste management best practices matter, especially as environmental restrictions evolve. Most by-products fall within acceptable industrial wastewater guidelines, but we remain involved in helping partners navigate periodic audits, offering documentation and suggested improvements – drawn from lessons learned on our own lines.

    Industry Trends and How We Adapt

    This business rarely stands still. Every year seems to bring changes in how suppliers, regulators, and end users work together. In recent years, lower-mass footprint and supply-chain transparency drove equipment upgrades and raw material supplier changes. While global turbulence impacted availability of precursors, our forward-buying approach and relationships with regional producers insulated our customers from the worst shortages. Real-time batch tracking and open communication give customers a window into our process, keeping surprises out of the system.

    We regularly host roundtables with purchasing directors and site engineers to dig into pain points and brainstorm improvements. If a new regulation or environmental guideline appears, we break down what it means for storage, handling, and disposal. Our documentation evolves constantly, built by people who have actually faced regulatory audits. Time in the field—whether at a new customer’s plant or reviewing legacy systems in our own—drives our updates. We focus less on the next “hot” feature and more on delivering a product that stays in spec, year after year, even as standards evolve.

    Sustainability and Responsible Production

    Experienced chemical manufacturers understand the tension between meeting technical demands and respecting community and environmental priorities. In past decades, releases and spills from careless processing almost became synonymous with specialty chemistry. Over the last 15 years, cleaner production became central to how we design processes and train staff. For this oxime, water and energy usage dropped after switching to closed-loop systems. Waste streams shrank. The team overhauled old solvent recovery units to reclaim more, send less to incineration, and reduce volatile emissions.

    Beyond the plant gates, we participate in quarterly reviews with regional environmental boards. Being open about our numbers, both good and bad, keeps us focused on progress rather than reputation. Users today demand both performance and minimized impact, and the difference comes down to choices made at every step—raw material vetting, employee training, and continuous process monitoring. Our shift toward more sustainable production isn’t just about marketing. It’s about building a business that stands up to scrutiny and delivers chemistry that serves practical needs without passing the cost on to communities.

    Partnering for the Long Run

    Companies seeking chemicals for industrial processes rarely want one-off solutions. Our relationships with users of O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime grew as we kept lines of communication open, even when trouble came knocking. A batch that settled differently, a container exposed on the dock for too long, or a glitch during downstream blending—all of these scenarios became familiar. Each time, our technical and operations teams worked to understand what happened, bringing feedback back to the plant for real process changes.

    Working with us means having a partner who values transparency, continuous improvement, and hard-earned know-how. We share production updates and flag known pain points early. The right specifications matter, but the shared history of challenges and solutions forms the foundation of durable supply partnerships. This mutual trust keeps processes running smoothly, especially during periods of high demand or regulatory transition.

    Looking Ahead: Continuous Refinement

    Nobody in chemical manufacturing gets it perfect the first time. Our commitment centers on improving not just a single parameter, but the entire production and delivery cycle. Staff development programs keep skills sharp, and routine debriefs unlock small but meaningful ways to tighten control. We focus on root causes, not just band-aid fixes. If a storage or usage problem shows up at one plant, odds are someone else will face it down the road—so we bring those lessons back to everyone, updating technical notes and future batches.

    Science advances, regulations grow stricter, and customers expect more than just a functional product. The journey of O-Methylcarbamoyl-3,3-Dimethyl-1-(Methylthio)Butyraldoxime highlights how responding to real-world needs—through hands-on partnership, rigorous test data, and humble iteration—keeps this compound relevant, useful, and valued by those who rely on it most.