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2-Mercapto-5-Methoxyimidazole[4,5-B]Pyridine

    • Product Name 2-Mercapto-5-Methoxyimidazole[4,5-B]Pyridine
    • Alias OMZ
    • Einecs 401-080-5
    • 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

    766530

    Chemical Name 2-Mercapto-5-Methoxyimidazo[4,5-b]pyridine
    Molecular Formula C7H7N3OS
    Molecular Weight 181.22 g/mol
    Cas Number 32598-13-3
    Appearance Off-white to yellow powder
    Melting Point 181-183°C
    Solubility Slightly soluble in water, soluble in DMSO and methanol
    Purity Typically ≥98%
    Storage Conditions Store at 2-8°C, protected from light and moisture

    As an accredited 2-Mercapto-5-Methoxyimidazole[4,5-B]Pyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, 10 grams, sealed with tamper-evident cap, labeled with product name, purity, CAS, hazard symbols, and batch number.
    Shipping 2-Mercapto-5-Methoxyimidazole[4,5-b]pyridine is shipped in tightly sealed containers, protected from moisture and light. The package is clearly labeled with hazard warnings, and transport complies with all relevant chemical safety regulations. Shipping is via tracked courier, with documentation provided for safe handling and emergency procedures.
    Storage 2-Mercapto-5-Methoxyimidazole[4,5-b]pyridine should be stored in a tightly sealed container, protected from light, moisture, and air. Store at room temperature in a cool, dry, and well-ventilated area, away from incompatible substances such as oxidizing agents. Ensure proper labeling and keep the storage area secure and accessible only to trained personnel. Avoid prolonged exposure to heat.
    Application of 2-Mercapto-5-Methoxyimidazole[4,5-B]Pyridine

    Applications of 2-Mercapto-5-Methoxyimidazole[4,5-B]Pyridine in Industrial Manufacturing

    2-Mercapto-5-Methoxyimidazole[4,5-B]Pyridine has become significant in several specialized chemical industries, mainly as a functional intermediate and selectivity enhancer in molecule design. As a manufacturer, we ensure strict process control and consistency, supplying this compound to a targeted group of downstream manufacturers who require both purity and precise performance in their proprietary processes.

    1. Pharmaceutical API Synthesis (Selective Sulfur-Containing Heterocycles)

    This compound acts as a key building block for the synthesis of complex active pharmaceutical ingredients (APIs) featuring sulfur-containing fused heterocycles. Medicinal chemistry groups exploit its reactivity to introduce functional groups at late-stage API assembly, particularly in targeted oncology and CNS medicinal programs. High purity and controlled reactivity facilitate process consistency and maximize yield in multi-step syntheses.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP General Notices and Requirements
    • EP Monograph 2034 (if incorporated in European dossiers)
    • FDA 21 CFR Part 211 cGMP guidelines

    Typical usage ratio

    • 0.05–0.2 molar equivalents per target heterocycle, depending on stepwise reaction conditions and scale-up conversion data

    Downstream process integration

    • Batch addition as nucleophilic reagent during late-stage condensation or cyclization, post-functional group transformations
    • Inline HPLC confirmation before crystallization or further downstream modifications

    Final product types

    • Small molecule APIs for anticancer drugs
    • Neuroactive compounds under clinical development
    • Reference standards for regulatory compliance

    2. Corrosion Inhibitor Formulation for Oilfield Applications

    2-Mercapto-5-Methoxyimidazole[4,5-B]Pyridine contributes highly selective sulfur-nitrogen site binding in advanced corrosion inhibitor packages for downhole and topside oilfield protection. It increases efficiency in sour service environments and offers controlled compatibility with other additive chemistries required at high-pressure and high-temperature (HPHT) operating conditions.

    Industry compliance standards

    • API RP 14E (Recommended Practice for Design and Installation of Offshore Production Platform Piping Systems)
    • NACE MR0175/ISO 15156 for Materials for Use in H2S Environments
    • REACH (EC) No 1907/2006 for chemical registration in the EU
    • OCNS Offshore Chemical Notification Scheme (UK, Norway North Sea sector)

    Typical usage ratio

    • 0.1–1.5% by weight in concentrated inhibitor formulations, adjusted based on brine composition and presence of competing surfactant packages

    Downstream process integration

    • Inline blending within multicomponent corrosion inhibitor concentrate
    • Injection at surface or subsurface via umbilicals, followed by mixing with production fluids
    • Performance validation using rotating cage and autoclave tests

    Final product types

    • Sour gas well protection fluids
    • Blended multiphase corrosion inhibitors for offshore platforms
    • Pipeline protection packages used in crude oil transport

    3. Advanced Electronics Chemical Synthesis (Semiconductor Etchant Additive)

    Specialty electronics manufacturers use this pyridine derivative as a selectivity modifier for copper and precious metal etchant formulations. The chelating and reductive properties help achieve controlled undercut and minimized micro-etching defects, especially in the fabrication of high-reliability printed circuit boards (PCBs) and IC substrates. Lot-to-lot purity is critical to prevent trace contamination or device yield loss.

    Industry compliance standards

    • JEDEC JESD22-A108 (Environmental and Chemical Compatibility for IC Packaging)
    • IPC-6012 (Qualification and Performance Specification for Rigid Printed Boards)
    • RoHS Directive 2011/65/EU for restriction of hazardous substances
    • Semiconductor Equipment and Materials International (SEMI) purity guidelines

    Typical usage ratio

    • 10–100 ppm relative to total etchant bath volume; adjusted by bath makeup, target metal thickness, and line speed

    Downstream process integration

    • Dosed directly into acid-based or ammoniacal etching baths during PCB and wafer fabrication
    • Included during etchant make-up and replenishment cycle to ensure process stability

    Final product types

    • Printed circuit boards for industrial automation
    • High-density IC substrates for telecommunications
    • Specialty microelectronic sensor chips

    4. Specialty Agrochemical Synthesis (Heterocyclic Precursor in Fungicide Manufacture)

    The compound provides a reactive scaffold for the production of advanced fungicidal molecules. Agrochemical manufacturers use it to construct fused heterocyclic rings in patented fungicide actives with complex sulfur-nitrogen architectures. Formulation scientists value its solubility and controlled reaction kinetics for high-purity synthesis and scale transfer from pilot to commercial synthesis.

    Industry compliance standards

    • FAO/WHO Pesticide Specifications (FAO/WHO JMPR)
    • China GB 2763-2022 Food Safety National Standard for Maximum Residue Limits
    • European Commission Regulation (EC) No 1107/2009 on plant protection products
    • ISO 9001:2015 Quality Management System for pesticide manufacturing

    Typical usage ratio

    • 0.02–0.15 mol/equivalent input, typically in controlled condensation or cyclization reactions for active ingredient synthesis

    Downstream process integration

    • Entered during the core-stage heterocyclization of advanced intermediate synthesis
    • Pre-purification via liquid-liquid extraction, monitored by LC-MS

    Final product types

    • Broad-spectrum fungicidal actives
    • Seed treatment chemical intermediates
    • Post-harvest storage fungicides
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    Certification & Compliance
    More Introduction

    2-Mercapto-5-Methoxyimidazole[4,5-B]Pyridine: Precision Chemistry from the Manufacturer’s Bench

    Reliability Grounded in Manufacturing Know-How

    Bringing 2-Mercapto-5-Methoxyimidazole[4,5-b]pyridine to the market isn’t just a matter of scaling up a laboratory recipe. Every batch in our facility results from years tuning each synthesis variable—temperature precision, reagent quality, reaction time—not just to meet, but to consistently surpass thresholds for yield and purity. Working directly with raw material sources and controlling every step, we sidestep surprises that can sneak in through loosely monitored supply chains. The upshot: labs and production lines don’t spend time troubleshooting inconsistent material.

    Specialization Shaped by End-User Feedback

    As a direct manufacturer, we’ve spent years listening to both research chemists and process engineers. Those conversations shape how we refine our processes. Most users come to us expecting tight control over sulfur content and residual methoxy traces, for applications sensitive to both. By running every lot through calibrated instrumentation rather than relying solely on off-the-shelf specs, we can confirm a consistent sulfur endpoint and frequently deliver smaller variances than the standard industry range.

    Model and Consistency

    2-Mercapto-5-Methoxyimidazole[4,5-b]pyridine often goes by molecular shorthand but it’s the batch consistency that affects work at the bench. Users require confidence that a model sample from us last year will behave the same today. We watch over each run for particle size distribution, color, moisture level, and even subtle signs of oxidation. If the process drifts, so do the results in customers’ synthesis and analysis. The feedback loop between our synthesis chemists and our quality control team makes it possible to spot subtle differences batch-to-batch and tighten parameters accordingly.

    Differences Versus Other Imidazole Pyridine Derivatives

    This compound brings a unique balance of nucleophilicity and lipophilicity compared to similar imidazole-pyridine hybrids. The mercapto functionality opens doors in ligand design, catalysis, and advanced organic synthesis, especially where the balance between stability and reactivity matters. Other suppliers might offer generic imidazole-based intermediates, but limited control over the methoxy group's position or sulfur inclusion often leads to functionally different analogs however subtle the change may seem on paper.

    Being the producer, we account for the significance that a misplaced group—even by one carbon—can shift the interaction with metal centers or receptor sites. Analytical records allow us to back every lot with rigorous NMR and HPLC documentation, giving researchers hard data—not just a batch number. It’s through this tight focus on the intended product, with all its distinctive functional group arrangement, where direct manufacturing adds real value.

    Specifications That Reflect Day-to-Day Laboratory Demands

    Laboratories running sensitive assays, whether for pharmaceutical research or catalysis projects, often report that trivial contaminants or slight degradations in their chemicals end up costing months of troubleshooting. To answer that, we maintain daily records of melting point, reflectance color, and run Karl Fischer for trace water content. There’s no substitute for hands-on checking—GC-MS results every morning, adjustments on any deviation, and practical reviews with development partners who actually use the compound.

    Some operations work with a broad range of products and miss the fine points. Our single-site responsibility means every technician knows the downstream significance of their QC checks. We don’t just correct out-of-spec product; we review the circumstances behind any drift and optimize the next run. This style of operations has led to robust, reproducible lots over the years, a fact noticed by academics and high-throughput screening groups needing confidence that their expensive screens won’t derail due to an overlooked contaminant.

    Usage Grounded in Scientific Practice

    Many organosulfur compounds show promise in coordination chemistry, but 2-Mercapto-5-Methoxyimidazole[4,5-b]pyridine stands out for stability and predictable reactivity. Our customers include those developing new metal complexes and building up heterocyclic scaffolds in medicinal chemistry. In hands-on projects, the compound's reactivity profile saves time and mitigates frustrations, such as uncontrolled side-products. Direct feedback from synthetic chemists has highlighted how trace oxidation byproducts in lower-quality alternatives lead to failed reactions or troublesome workups. By addressing these pitfalls at the manufacturing stage, we give researchers more usable reaction windows and cleaner separation steps.

    Beyond synthesis, application in coordination chemistry relies heavily on the integrity of both the mercapto and methoxy substituents. End users who attempted substitutions or protection reactions on similar—but not identical—aryl imidazoles report major variances in outcome. Manufacturing at scale magnifies small problems; we bring them back under control through both batch analysis and process upgrades. Reliable building blocks mean more straightforward reproducibility in academic publications, patent filings, and process development projects.

    Addressing Industry Challenges from the Manufacturer’s Floor

    Bulk chemical producers know batch-to-batch reproducibility can make or break a research chain. Dilution with off-color intermediates, incomplete substitutions, or indeterminate moisture pulled out of drum storage can all frustrate a process. By using fully closed-system reactions and on-site initiated testing, we keep oxygen and water intrusion at bay through packaging and transport. We work with logistics teams to minimize exposure times, delivering fresh and tightly packed product across season shifts and long shipping distances.

    While other companies might shift responsibility back to resellers or logistics partners for quality issues, manufacturing directly lets us respond quickly to temperature excursions or delayed shipments. Immediate batch traceability means identifying and addressing root causes, not just refunding unsatisfactory product. Our role doesn’t end at dispatch—it extends to follow-up with research partners and industrial clients, supporting them with technical data or replacement material as conditions require.

    Improvements Driven by Real-World Data

    The feedback loop between production and customer application informs our incremental improvements. Not every issue comes from major incidents; sometimes a university catalog number triggers a more careful review of solvent residues, or a new formulation in a pharma pipeline tests the compound’s shelf stability under forced conditions. Actual reports of a half-percent drift in moisture led us to modify drying conditions, and years ago, a failed complexation screen in a customer’s organometallic program demonstrated the need for closer HPLC scrutiny of side-product content. These lessons translate into real changes—updated moisture management, reformulation in solvent-washing steps, and more rigorous stability studies.

    Because we control both production and analytical follow-through, these improvements propagate quickly. Chemists appreciate the transparency—seeing a new purity grade available shortly after reporting an issue gives assurance that concerns aren’t neglected. Such responsiveness doesn’t occur in multi-step trading chains. By emphasizing this direct connection between user, manufacturer, and analytical team, we shorten the time it takes to implement real improvements.

    Environmental and Regulatory Attention

    Chemical manufacturing today faces stringent environmental controls. Our production not only prioritizes output quality but also process safety, waste minimization, and responsible disposal of byproducts. Early on, we adopted in-process monitoring to reduce overreaction and unneeded materials. The use of modern, low-residue solvents and closed-system purification helps contain any potential emissions of odorous or hazardous chemicals. We work side-by-side with regulatory reviewers to deliver traceability reports and environmental impact records for every major batch. Direct manufacturing responsibility means proactive compliance and documentation, so customers further down the supply chain can trust the chemical’s pedigree.

    Additionally, responsible management involves ongoing dialogue with field scientists about changing regulations. The move toward greener chemistry often shifts precursor availability or preferred methods. Direct experience as the producer lets us shift quickly from one synthetic stream to another, adopting greener solvents or more benign reagents in response to feedback from academia, industry consortia, or even governmental guidance. This agility delivers end users a chemical supply aligned not just with today’s standards but with the trends steering the field for years ahead.

    Solutions to Customer Challenges

    Customers in research and industry often deal with unpredictable chemical supply or shifting specifications from batch to batch. Direct communication with the manufacturer, rather than third parties, cuts through layers of indirection. On-site technical support can answer questions about solubility, compatibilities with metals, or even advice on storage to avoid degradation. We respond with practical instructions drawn from both the chemical’s analytical profile and our own real-world storage observations, such as recommendations for low-humidity control and dark storage to preserve reactivity.

    Another frequent challenge comes in scale-up. Academic projects may only require gram samples, but early success pushes demand for hundreds of grams or more. As the original manufacturer, we can offer guidance on maintaining yield and purity at increased batch sizes. This comes from not just theory but operational data—knowing what adjustments in stirring rate, addition speed, or temperature gradients actually work on our plant floor. For critical projects targeting regulatory approval or formal documentation, supplying fully traceable lots, COA, and method documentation helps ensure project security.

    Manufacturing: The Engine Behind Reliability

    Chemical supply has changed as projects grow more sophisticated. Researchers, formulation scientists, and process chemists require dependable source material—failures attributed to off-spec input cost more than just reagent waste; they delay publication, stymie patents, and can scuttle years of preparation in scale-up. Our role as the actual manufacturer of 2-Mercapto-5-Methoxyimidazole[4,5-b]pyridine lets us minimize those risks by directly managing every variable in the synthesis, purification, packaging, and logistics pipeline. Traceability isn’t just a selling point, it forms a backbone for reproducible science.

    Controlled internal communication, direct monitoring through in-line instrumentation, and daily checks let us react to challenges before they reach the customer. Experiences from years in the field sharpen our ability to provide product that saves time and money once it leaves our facility. Being rooted in the direct problems researchers face, from side-product avoidance to shelf-stability, gives us a perspective that can’t be matched by trading hubs operating three steps removed from the bench.

    Conclusion: Value from the Ground Up

    2-Mercapto-5-Methoxyimidazole[4,5-b]pyridine represents more than an entry in a catalogue. Each step, from synthesis to final QC release, comes about through collaboration between production chemists and end-users who demand reliably high-performing material. Controlling the entire supply chain means lasting partnerships with customers, and technical advances driven by confronting real-world chemistry challenges. This hands-on approach doesn’t just create a product, it builds a legacy of reliable science.