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4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol

    • Product Name 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol
    • Alias 4-Methyl-5-(pyridin-4-yl)-4H-1,2,4-triazole-3-thiol
    • Einecs 696-195-5
    • 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

    597370

    Chemical Name 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol
    Molecular Formula C8H8N4S
    Molecular Weight 192.24 g/mol
    Cas Number 114772-54-0
    Appearance White to off-white powder
    Melting Point 220-225°C
    Solubility Slightly soluble in water, soluble in DMSO
    Purity Typically ≥98%
    Storage Conditions Store at 2-8°C, protected from light
    Smiles Cc1nnc(S)n1-c1ccncc1
    Pubchem Id 2720560
    Iupac Name 4-methyl-5-(pyridin-4-yl)-4H-1,2,4-triazole-3-thiol

    As an accredited 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Sealed 25-gram amber glass bottle with tamper-evident cap, labeled with chemical name, CAS number, hazard symbols, and handling instructions.
    Shipping The chemical 4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol should be shipped in a tightly sealed, clearly labeled container, protected from moisture and direct sunlight. Transport should comply with relevant regulations for potentially hazardous materials, ensuring temperature control and safe handling procedures to prevent leaks, spills, or contamination during transit.
    Storage **Storage for 4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol:** Store in a tightly closed container in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. Keep separate from strong oxidizing agents and strong acids. Handle under inert atmosphere if material is air or moisture sensitive. Ensure proper labeling and secure against unauthorized access. Follow all relevant safety and chemical compatibility guidelines.
    Application of 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol

    Applications of 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol in Industrial Manufacturing

    As a direct producer, we see 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol integrated into specialized sectors requiring advanced heterocyclic chemistry. Its structural properties enable its use as a building block in pharmaceutically active compounds, targeted agrochemical synthesis, and performance catalysts. The following sections outline key industry applications, including compliance measures, common dosage approaches, workflow positioning, and outcome products.

    1. Pharmaceutical API Intermediates – Anti-infective Drug Development

    Manufacturers in medicinal chemistry employ this compound to synthesize specific triazole-based pharmacophores for anti-infective APIs. It participates in Suzuki coupling and thioetherification to anchor structural motifs critical for pathogen-specific drug candidates, such as non-nucleoside reverse transcriptase inhibitors or antifungal triazoles approved for clinical use.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP & EP Monograph Requirements for related APIs (e.g., Voriconazole, Fluconazole)
    • FDA 21 CFR Part 210/211 regulations
    • EMA EudraLex Volume 4 (GMP guidelines)

    Typical usage ratio

    • Applied at 0.05–0.20 molar equivalents relative to the target API scaffold, with process optimization based on substitution redundancy and intermediate yield requirements.

    Downstream process integration

    • Fed into the API's intermediate coupling or cyclization stage, directly introduced into a controlled reactor following previous ring assembly. Incorporated with dry solvents under nitrogen to prevent oxidation.

    Final product types

    • Triazole-containing antifungal or antiviral bulk APIs
    • Finished dosage forms such as tablets, capsules, or injectable vials
    • GMP-compliant pharmaceutical intermediate solutions
    • Certified reference substances for pharmaceutical assay calibration

    2. Agrochemical Synthesis – Herbicide and Fungicide Intermediates

    In crop protection R&D pipelines, this heterocyclic thiol underpins the structural core of select triazole herbicides and systemic fungicides. Used in synthetic routes that create resistance-modifying agents and growth regulators, it is pivotal for downstream chlorination and sulfide bridge formation steps.

    Industry compliance standards

    • FAO/WHO Code of Conduct on Pesticide Management
    • ISO 9001:2015 Quality Management System
    • Chinese GB/T 1600 Agrochemical Active Ingredient Standard
    • REACH (EC 1907/2006) registration for export into EU markets

    Typical usage ratio

    • Incorporated at 5–15% by weight in the core synthesis batch, adjusted as per conversion efficiency targets and subsequent functionalization yield.

    Downstream process integration

    • Introduced in the condensation or substitution reaction to link aromatic and triazole moieties, usually as part of a closed-batch process at sub-atmospheric pressure with in-line HPLC monitoring.

    Final product types

    • Triazole-based herbicide actives (e.g., metconazole, tebuconazole intermediates)
    • Systemic fungicide formulation bases
    • Stability indicating reference standards for regulatory submission
    • Bulk intermediates for global synthesis transfer

    3. Fine Chemical & Specialty Chemical – Electronic Materials

    Our partners in the electronic materials industry use this compound for its ability to organize donor-acceptor frameworks needed in certain organic semiconductors and cathode intermediates. Its electron-rich triazole structure supports spin-coating and vapor-phase deposition processes for the fabrication of organic electronics components.

    Industry compliance standards

    • RoHS Directive (2011/65/EU) for restriction of hazardous substances
    • ISO 14001 Environmental Management System
    • SEMI Standard MS0001 for process control in specialty materials
    • IEC 62474 Substance Material Declaration Standard

    Typical usage ratio

    • Comprises 2–8% of total active organic material in solution, fine-tuned based on dielectric constant and film morphology requirements.

    Downstream process integration

    • Dosed into pre-polymer mixes for spin-coating or vapor-phase reactors, commonly after substrate preparation but before vacuum annealing. Used under dried, inert gas to reduce contamination risk.

    Final product types

    • Organic light-emitting diode (OLED) materials
    • Conductive polymer subcomponents for printed flexible circuits
    • Organic thin-film transistors (OTFTs)
    • Photovoltaic interlayer additives

    4. Laboratory Research & Custom Synthesis – Structural Elucidation and SAR Studies

    In CRO and academic research, chemists utilize this compound for systematic structure–activity relationship (SAR) studies, particularly for establishing the reactivity profile of functionalized triazoles and their binding affinities in protein modeling. Its thiol group offers precise attachment points for fluorescent and radiolabel tags in lead-optimization experiments.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP)
    • ISO/IEC 17025 Accreditation for Analytical Laboratories
    • NIH Recombinant DNA Advisory Committee (when relevant)
    • Institutional Chemical Hygiene Guidelines (e.g., ACS, RSC standards)

    Typical usage ratio

    • Applied at 0.02–0.10 mmol concentrations per reaction, altered according to assay limit of detection and kinetic tracking protocol.

    Downstream process integration

    • Used as an initial reactant or as a ligation partner in high-throughput screening, typically post-preparative LC purification and prior to in vitro assay plate assembly.

    Final product types

    • Reference analog libraries for medicinal chemistry
    • Biospecific affinity probes
    • Labeled assay reference compounds (fluorescent, biotinylated, or radiolabeled)
    • Analytical standards for chromatographic validation

    5. Corrosion Inhibition Additives – Oilfield Chemicals

    Engineers in oil and gas deploy this triazole-thiol as a key component in custom corrosion inhibitors. Its nucleophilic groups form adsorbed barriers, which target sulfur-induced corrosion inside pipelines and downhole tubing, especially in sour gas environments with elevated H2S concentrations. The compound's stability also suits long-term reservoir treatments.

    Industry compliance standards

    • API RP 754 Process Safety Performance Indicators
    • NACE Standard TM0177 for sulfide stress cracking
    • ISO 17025 Lab-tested certificate requirements
    • REACH-compliant SDS and transportation regulations

    Typical usage ratio

    • Dosed at 100–600 ppm in oilfield treatment fluids, selected based on pipeline metallurgy, temperature profile, and production flow rate.

    Downstream process integration

    • Injected continuously into pipeline or batch-treated at wellheads. Incorporated after separation and prior to main booster pumps, often automated via chemical injection skids.

    Final product types

    • Field-blended oilfield corrosion inhibitor concentrates
    • Ready-to-use downhole corrosion control packages
    • Pre-mixed pipeline protection additives
    • Corrosion test evaluation kits for lab and pilot use

    6. Coordination Chemistry for Metal Complex Catalysts

    In transition metal complex synthesis, this material serves as a tridentate ligand, stabilizing select Pd, Ru, or Cu catalyst systems. Chemists exploit its chelating action in processes like C–N or C–S bond formation, targeting homogeneous catalytic cycles for advanced fine chemical production where high turnover is critical.

    Industry compliance standards

    • ISO 9001:2015 for catalyst manufacturing
    • Responsible Care Global Charter (ICCA/CEFIC)
    • REACH pre-registration for export control
    • Customer-specific QC protocols for ligand purity

    Typical usage ratio

    • Utilized at ligand-to-metal molar ratios of 2:1 to 4:1 for most transition metal salt precursors, adjusted depending on desired geometric and electronic properties.

    Downstream process integration

    • Added to freshly prepared metal salt solutions under argon, followed by heating and in situ monitoring of complex formation via UV/Vis or NMR.

    Final product types

    • Homogeneous Pd, Ru, Cu catalyst solutions
    • Reusable ligand precursors for C–N/S cross-coupling reactions
    • Bulk-packaged catalyst intermediates for specialty synthesis
    • Custom catalyst kits for academic and industrial R&D
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    Certification & Compliance
    More Introduction

    Introducing 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol: A Practical Perspective from Our Production Floor

    Understanding 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol

    Every batch of 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol we produce reflects years of accumulated know-how and attention to detail. It features the triazole backbone, which gets its particular strength and versatility from the combination of a pyridyl group and a methyl substitution pattern. This isn't just about assembling atoms; it’s about understanding why this kind of molecular structure stands out in real-world synthesis.

    On the plant floor, the process starts with precise selection of reagents. Our teams monitor temperature profiles closely during cyclization, since the right balance between heat and time influences not only purity but downstream crystallization ease. We recognize that small variables alter the final outcome, so each run delivers both consistency and traceability. Our routine includes vigorous HPLC and NMR analysis. Collected data, year over year, gives us a running history of reproducibility and outcomes—lessons hard-won from genuine production, not lab-bench anecdotes.

    The Model We Follow

    We craft 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol with a model rooted in efficiency, stability, and purity, drawing on feedback directly from scale-up experiences. Product lines reflect practical adaptations: our standard offering typically appears as an off-white to yellowish powder, reflecting purity levels consistently above 98% by HPLC. Batches routinely hit low moisture contents (KF routinely below 0.5%), which means less need for extra drying before downstream use.

    We run in kilogram-scale reactors designed for moderate exothermic reactions, built on stainless steel and coated glass-lining where needed. This isn’t a lab curiosity—our output derives from actual commercial volumes, where recoating, cleaning, and solvent recovery directly cut waste and prevent trace contamination across cycles. Strict in-process controls form the backbone of our process. Frequent checks for process impurities, potential isomerization, and cross-contamination keep batches on-spec, so customers don't encounter unexpected surprises on the formulation end.

    Specifications and the Reality of Testing

    Talking specifications, we routinely hear from partners about the headaches caused by variable solids or questionable solubility from other suppliers. Moisture content matters in practice because thio-compounds are notoriously sensitive—they clump, degrade, or form unwanted disulfide bonds. In our experience, maintaining all handling within nitrogen-purged environments solves most stability problems before they start. Granule size holds steady within a predictable range thanks to post-reaction sieving and vacuum transfer, which keep cross-contamination and fines under control.

    Physical testing forms part of every shipment release. Most clients request residual solvent analysis, bulk density readings, and trace metal checks. Why do we do this? Because over the years, we’ve seen enough incidents where small unknowns upset carefully developed production processes downstream. For 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol, our raw data stays with each batch, because transparency has solved more client headaches than any marketing claim.

    Usage: Insights from Real Applications

    This compound draws steady demand from the pharmaceutical and agrochemical industries. Our clients value it particularly as a building block for compounds with bioactivity. Its unique triazole-pyridine structure makes it an adaptable core for synthesizing new drug leads, especially anti-infective and central nervous system candidate molecules. The thiol group plays a pivotal role, serving as a reactive handle for more complex coupling and metal chelation reactions.

    We’ve spent time on both sides of the process, watching chemists trial different coupling strategies. 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol slots easily into nucleophilic substitution and metal-catalyzed cross-coupling reactions. This saves time when compared to derivatives that require protective group manipulation or elaborate activation steps. Researchers often share feedback about reduced byproduct formation when using our material—likely a direct result of tighter impurity control in its production.

    Some companies benefit from the compound’s chelating abilities. The triazole-thiol motif stabilizes metal complexes in ways that other scaffolds can’t match, effectively opening doors to catalytic and sensing applications. From first-hand feedback, we know our customers are using 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol in everything from gold recovery formulations to crop protection chemistry. They value its predictability: batches react the same way each time, limiting batch-to-batch investigations and facilitating regulatory filings.

    Why Our Product Differs from the Rest

    We didn’t reach consistency overnight. Early years saw clumped batches, occasional color variation, and inconsistent residual solvents. Over time, persistent tweaks to filtration, drying, and inert handling paid off. These lessons underscored the most important differences between what leaves our plant and bulk lots from traders or generalists.

    Supply chain transparency matters in specialty chemicals. Every input, from pyridine derivatives to hydrazine sources, comes with documented COA files, so traceability follows right through. This focus means we avoid the “unknown” peaks so typical in third-party-supplied lots. You won’t get a mystery contaminant that drags down your results or makes analytical methods grind to a halt.

    Many third-party materials look fine out of the drum, but we’ve seen processes stall during crystallization or solvent extraction. Customer complaints prompted a lengthy study: strong adherence to in-house developed procedures, not just “standard” recipes, prevented these failures. Our vacuum-drying step, monitored by both weight loss and real-time IR moisture analysis, pushes the water content below one-half percent—no corners cut to speed up turnover. It’s small steps like these that keep the shelf life long and usability high.

    We’ve also spent years engaging with customers post-shipment. More often than not, end-users who switched to our batches see less need for repeated purification, fewer failed couplings, and improved yields. These are direct, quantifiable benefits—and arise from intentional process decisions, not accident.

    Process-Driven Reliability

    Manufacturing organic thiol-triazoles isn’t forgiving. Any shortcuts show up as yield losses, sluggish downstream chemistry, or even failed registrations in regulated fields. Over two decades on the production line, we’ve maintained strict compliance with cGMP principles, not just during audits but baked into daily routines. Operators keep tight logs, supervisors cross-check every line entry, and raw material samples sit in a controlled archive for years. This obsessive attention translates to products fit for rigorous analytical and synthetic use.

    We know many customers push for reduced impurity profiles. So, every batch route was stress-tested: longer filtration times, slower solvent exchanges, and greater holding times in drying ovens. Only after implementing multi-stage filtration and dual-mode drying, did we start to see the reliable, nearly colorless material that meets even the highest-end demands.

    Real world issues shape every process tweak. Not long ago, we saw a spike in fine particle content traced to sieve wear. Our solution: double-check sieve integrity each week and validate the size distribution off every batch. Plant technicians who spotted the trend brought us the chance to prevent a larger disruption down the road.

    Supporting Research with Dependable Materials

    We serve an audience that values reliable starting points. The pace of pharmaceutical research turns on purity, fit-for-purpose physical properties, and honest documentation. Every impure batch costs time and resources. That’s why, drawing on laboratory results and feedback from thousands of syntheses, our version of 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol comes with complete batch information. Each run includes full spectral analysis along with residual solvent and elemental impurity results traceable to modern standards.

    Feedback cycles with customers inform our ongoing improvements. Research partners have reached out, pointing to successful scale-ups and faster equipment turnover after switching to our material. They cite reduced batch times and fewer in-process adjustments, which tie back to real savings and better productivity. Whether the end-use involves laboratory-scale medicinal chemistry or pilot plant builds, that edge drives real outcomes.

    Comparison with Other Triazole-Thiol Compounds

    From our perspective as a manufacturer, not all triazole-thiols perform equally. The distinctiveness of 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol lies in its blend of reactivity and resistance to unwanted degradation. Variations with different methyl or pyridine placement often introduce instability, slow reactions, or reduced shelf life. We’ve seen other analogues require tougher conditions to react, lowering yields or forcing additional protective steps.

    Take purity as a case in point. Many structural analogues suffer from formation of mixed disulfides or oxidative byproducts, which complicates both isolation and storage. Our batch history with this particular molecule shows robust shelf stability under inert storage, with minimal drift from specification even after twelve months. Customers who once battled batch variability from semi-purified intermediates now share feedback about process simplicity: fewer steps, less time spent validating intermediates, and more confidence in regulatory filings.

    Facing Industry Challenges: Reliability, Sourcing, and Scale-Up

    Changes in upstream raw material sourcing pose challenges across the industry. A single impurity spike can jeopardize years of method development and regulatory alignment. We respond by maintaining in-house control over critical reaction stages and raw material validation. Each lot of starting material undergoes thorough QC prior to release, providing the degree of predictability needed for stringent downstream environments.

    Scaling up brings its own lessons. Small differences between laboratory and kilo-scale synthesis now translate to large impacts on impurity profile and downstream processing. We leverage years of experience, adjusting agitation speeds, reactor temperature profiles, and distillation cut points in real time, responding to variability rather than forcing a single fixed procedure on every run.

    We recognize batch-to-batch continuity forms the cornerstone of process chemistry, especially for our multinational partners who standardize across several sites. To meet this demand, we log every change, conduct bridging studies, and archive process variations so troubleshooting or tech transfer down the road never starts from zero. Transparency helps everyone succeed.

    Adapting to New Needs and Future Developments

    We see research needs evolving in both breadth and depth. Every year, more partners enter biologically active compound discovery—often demanding tighter impurity control and more granular documentation. Our work keeps pace through incremental process improvements: cleaner reagents, stronger in-process controls, and increasingly detailed batch records. We listen to our customers, incorporate their real-world feedback, and adapt.

    Looking forward, environmental and regulatory developments push us to innovate in purification, solvent recovery, and waste minimization. Years ago, waste streams from triazole chemistry triggered a review of solvent handling—by investing in energy recovery and solvent distillation, we brought both economic and environmental gains. These initiatives don’t show up on the COA, but over time, they help make us a dependable partner.

    By producing 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol in a controlled, methodical manner, we don’t just deliver a chemical—we enable a smoother, more efficient workflow for those who rely on expertly crafted intermediates for discovery and production.

    Listening, Learning, Improving

    Practical manufacturing goes far beyond ticking boxes on a datasheet. In our experience, end-users rarely care about a percentage point in purity if the reality is unpredictable process behavior. Over the years, our philosophy shifted toward persistent, open engagement with research teams, process chemists, and operational stakeholders. By listening—not assuming—we identify what adds value.

    The favorable reception of our 4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol can be traced back to thoroughness: batch records, analytical runs, and responsive technical support. We track every modification and capture knowledge from troubleshooting, so each iteration lifts quality higher and increases the confidence our partners require. Trust builds gradually—with each reliable shipment, clear answer, and open report.

    Conclusion: Chemical Manufacturing Grounded in Experience

    4-Methyl-5-Pyridin-4-Yl-4H-[1,2,4]Triazole-3-Thiol, as we produce it, stands as more than a chemical—it's a product of considered process control, honest engagement with users, and lessons learned in the trenches of production. Drawing on decades of work, rigorous documentation, and real-time customer feedback, each batch reflects the kind of reliability and value our partners depend on. We look forward to new challenges, future collaboration, and continued improvement in response to industry needs.