Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

5-Amino-3-Methyl-1,2,4-Thiadiazole

    • Product Name 5-Amino-3-Methyl-1,2,4-Thiadiazole
    • Alias 5-amino-3-methyl-1,2,4-thiadiazole
    • Einecs 227-731-9
    • 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

    492562

    Name 5-Amino-3-Methyl-1,2,4-Thiadiazole
    Cas Number 4105-38-0
    Molecular Formula C3H5N3S
    Molecular Weight 115.16 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 167-170 °C
    Solubility Slightly soluble in water
    Pubchem Cid 13972
    Smiles CC1=NSN=C1N
    Inchi InChI=1S/C3H5N3S/c1-2-3(4)6-7-5-2/h1H3,(H2,4,6)
    Synonyms 3-Methyl-1,2,4-thiadiazol-5-amine
    Storage Temperature Store at room temperature

    As an accredited 5-Amino-3-Methyl-1,2,4-Thiadiazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 25g package of 5-Amino-3-Methyl-1,2,4-Thiadiazole comes in a tightly sealed, amber glass bottle with hazard labeling.
    Shipping 5-Amino-3-Methyl-1,2,4-Thiadiazole is shipped in sealed, chemically resistant containers, clearly labeled with hazard information. Packages comply with international transport regulations, protecting against moisture, light, and physical damage. Shipping documentation includes safety data and handling instructions to ensure safe transit and delivery to laboratories or industrial facilities.
    Storage **5-Amino-3-Methyl-1,2,4-Thiadiazole should be stored in a tightly sealed container in a cool, dry, well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Protect the compound from moisture, direct sunlight, and heat. Follow appropriate safety protocols, including the use of gloves and eye protection, when handling this chemical.**
    Application of 5-Amino-3-Methyl-1,2,4-Thiadiazole

    Applications of 5-Amino-3-Methyl-1,2,4-Thiadiazole in Industrial Manufacturing

    5-Amino-3-Methyl-1,2,4-Thiadiazole plays an indispensable role as a specialty intermediate in several tightly regulated chemical and pharmaceutical production chains. Our facility supplies this compound directly to OEMs and contract manufacturers who embed it at critical stages of synthesis to achieve strict quality, compliance, and process output targets.

    1. Agricultural Fungicide Intermediate Development

    Downstream agrochemical manufacturers select 5-Amino-3-Methyl-1,2,4-Thiadiazole for targeted synthesis of modern thiadiazole-based fungicides, leveraging its unique heterocyclic scaffold to improve field performance and environmental persistence profiles. Quality assurance teams depend on its compatibility with existing formulation systems and its trace impurity profile that complies with evolving region-specific legislation for agrochemical actives.

    Industry compliance standards

    • FAO/WHO Specifications (e.g., FAO 110/WHO 517 for fungicide active requirements)
    • EU Regulation (EC) No 1107/2009 for plant protection products
    • China GB/T 1600, GB 2763 pesticide residue limits in food crops
    • ISO 9001-certified supplier quality management

    Typical usage ratio

    • 5-10% as a key intermediate, variable by target fungicide structure and final active ingredient loading; adjusted according to synthetic route efficiency and downstream purification steps

    Downstream process integration

    • Stepwise thionation, cyclization, and amination during core active ingredient synthesis; added to sealed reactor charge in early heterocycle assembly; controlled temperature and solvent polarity to favor desired isomer

    Final product types

    • Systemic fungicide actives such as thidiazole-based compounds
    • Wettable powders, suspension concentrates for field sprayers
    • Seed treatment chemicals

    2. Pharmaceutical API Intermediate Synthesis

    Pharmaceutical ingredient manufacturers incorporate 5-Amino-3-Methyl-1,2,4-Thiadiazole as a core building block when assembling select active pharmaceutical molecules, especially for conditions requiring nitrogen–sulfur heterocycles. Analytical documentation and traceability enable regulatory submissions for DMF and CEP dossiers, and routine batch QC underpins stringent impurity limits suitable for downstream GMP synthesis.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP), ICH Q7
    • European Pharmacopoeia monographs for APIs containing thiadiazole rings
    • 21 CFR Part 211: FDA quality requirements for intermediates
    • Certificate of Analysis traceability for DMF/CEP submissions

    Typical usage ratio

    • Typically 3–8% depending on the downstream synthetic target; higher ratios for multistep convergent routes or where high-purity isolation is required prior to final coupling

    Downstream process integration

    • Precursor charge in initial condensing step; forms the thiadiazole nucleus by cyclization or amidation; downstream purification via crystallization followed by coupling to side chains or functional groups tailored for the pharmaceutical endpoint

    Final product types

    • API intermediates for select antimicrobial and antitubercular drugs
    • Precursor for custom NCE (new chemical entity) development programs involving S- and N-heterocyclic scaffolds
    • Stabilized intermediates for route scouting in CDMO projects

    3. Specialty Dye Manufacturing for Fiber Applications

    Specialty dye houses utilize 5-Amino-3-Methyl-1,2,4-Thiadiazole to synthesize colorants containing the thiadiazole motif, providing superior chromophore stability and unique dye fastness on synthetic fibers. Procurement and formulation chemists select this molecule to engineer colorants capable of meeting advanced textile performance and regulatory toxicity limitations, such as those governing residual amines and heavy metals.

    Industry compliance standards

    • REACH SVHC and Annex XVII for textile dye content
    • OEKO-TEX Standard 100 for unrestricted substances
    • ZDHC MRSL 3.0 (Zero Discharge of Hazardous Chemicals)
    • ISO 105 series for color fastness testing protocols

    Typical usage ratio

    • 2–6% by mass of total dye chromophore component, depending on color shade intensity and fiber affinity; adjusted according to the dyeing method and carrier system

    Downstream process integration

    • Integrated into diazotization or coupling reactions for azo and non-azo thiadiazole-containing dyes; introduced post-purification to reduce background fluorescence and enhance covalent binding potential during fiber coloration

    Final product types

    • Synthetic fiber dyes (e.g., for nylon, acetate, polyester)
    • Niche technical colorants for automotive or sports textiles
    • Water-stable industrial pigment additives

    4. Corrosion Inhibitor Formulations for Metal Surface Protection

    Chemical solution suppliers specializing in industrial metal treatment blend this thiadiazole derivative to formulate advanced corrosion inhibitors, especially for ferrous and copper alloy systems exposed to aggressive process or cooling waters. It integrates seamlessly with established passivation schemes, meeting stringent environmental and operator safety benchmarks, while conferring efficient chelation or film-forming performance at optimized dosage rates.

    Industry compliance standards

    • ASTM D4340 for corrosion inhibition efficiency
    • EU Biocidal Products Regulation (BPR) No 528/2012
    • ISO 8044 for metallic corrosion protection terminology and performance
    • RoHS 2015/863/EU for substance restrictions in finished systems

    Typical usage ratio

    • 0.01–0.3% w/w depending on metal substrate, operating temperature, and make-up water chemistry; adjusted based on accelerated laboratory corrosion tests and real system monitoring

    Downstream process integration

    • Added to concentrated corrosion inhibitor masterbatches or directly to recirculating water phase; disperses during mixing, chelates surface ions, and builds up a protective organic film via in situ adsorption; monitored using corrosion coupons and electrochemical probes

    Final product types

    • Recirculating water treatment fluids for HVAC and power generation
    • Surface treatment baths for industrial parts washing
    • Temporary storage protection concentrates for oil & gas sector metallurgy
    Free Quote

    Competitive 5-Amino-3-Methyl-1,2,4-Thiadiazole prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    5-Amino-3-Methyl-1,2,4-Thiadiazole: A Manufacturer’s Perspective

    Practical Value in a Specialized Chemical

    Working on the synthesis and large-scale production of 5-Amino-3-Methyl-1,2,4-Thiadiazole, every kilogram off our lines tells a story not only of process control, but also of why this compound stands out in the field. Staff follow the transformation from basic precursors to a high-purity final product, and see up close what makes certain chemicals essential for research, pharmaceuticals, and specialty synthesis—applications where precision overshadows sheer volume.

    Inside the Production Process

    Operators at our plant handle each batch with care because this isn’t just a general reagent. We start with fixed protocols that guide the conversion of methylthiosemicarbazide and suitable nitrosating agents. Achieving consistently high assay and low impurity levels has taken ongoing adjustment, not just reliance on off-the-shelf methods. Operators and chemists look for specific qualities in our output: there’s the faint yellow appearance, the crystalline structure, and a reliable melting point. Product that doesn’t meet spec, even by a slight deviation, gets isolated and examined rather than sent onwards—small changes can impact a customer’s downstream use.

    Lab work here isn’t limited to quality assurance. Routine analysis with HPLC and NMR, along with checks on residual solvent by GC, let us adjust both process and packaging. Our hands-on approach ensures that end-users—often fellow chemists—receive 5-Amino-3-Methyl-1,2,4-Thiadiazole crystalline and pure. Purity often exceeds 99 percent. Storage recommendations grow from what we see in the plant: we pack it airtight and cool, away from sources of moisture and excessive heat, since we’ve observed hydrolysis and degradation firsthand during real-world stress tests.

    Seeing Use in Real Industries

    Each batch of 5-Amino-3-Methyl-1,2,4-Thiadiazole ends up furthering applied science. We started hearing from researchers focusing on heterocyclic synthesis. They value the aminothiadiazole ring for building blocks that go into acetylcholinesterase inhibitors, anti-inflammatory leads, or as part of combinatorial libraries. Scale goes from gram quantities for universities to multi-kilo shipments for larger pharma R&D units. The demand pattern shifts as new patent literature emerges; the feedback loop with customers ensures that changes in product grade or appearance get passed back to our process engineers.

    Frequently it enters into exploratory synthesis—those chasing new thiadiazole pharmacophores appreciate predictable behavior in condensation and cyclization reactions. A handful of agrochemical developers have shared results on using it to create new classes of fungicides and selective herbicides, exploiting the electron distribution around the amino and methyl groups. These aren’t just speculative uses; we often see repeat orders where a customer’s pilot batch has moved to full process development.

    Comparative Insights: What Sets It Apart

    Having handled other aminothiadiazoles and substituted thiadiazoles, production differences become clear. Stewarding 5-amino-1,3,4-thiadiazole, for example, or its dimethyl variant, requires different conditions—temperature curves, solvent choices, and even catalyst handling. Our staff notices distinct aroma, physical stability, and coloration between the isomers. Stability for storage and solubility in common reaction media rank high for the 3-methyl version; users report smoother integration into multistep synthesis, especially where robust primary amino functionality plays a direct role.

    Where analogs often suffer from exaggerated sensitivity or present more impure finishes after workup, we have found that this product reliably forms sharp, filterable crystals—no unnecessary troubleshooting at filtration or drying. Other thiadiazoles show less predictability with residual solvent retention, especially in larger lots or under less-controlled atmospheres, but we have honed a process that minimizes these risks. In our experience, that reproducible outcome matters as much to a medicinal chemist as theoretical yield.

    User Perspective: Beyond Specs

    We talk to buyers and bench chemists who are always looking for more than a COA; they want the confidence that an intermediate is backed by people who understand why an impurity profile shapes end-use performance. When a batch-level deviation crops up—subtle shifts in crystallinity or a slightly unexpected melting range—our team investigates and relays that data before the material ever ships. That trial-by-fire through years of practical production sharpens our focus: our aim centers on giving researchers a dependable tool, not just a reagent.

    Safety always figures into production. 5-Amino-3-Methyl-1,2,4-Thiadiazole doesn’t give off hazardous fumes under normal processing, but certain degradation byproducts can form under prolonged heating or exposure to acid. We’ve set up air monitoring and preemptive scrubbers in the plant on the rare occasions when strong acid workups occur. All waste containers are scrutinized and sampled before disposal. Handling protocols and transport agreements reflect both regulatory and practical lessons learned from a decade-plus of international commerce.

    Why Quality Control Matters

    Longtime customers rely on us not just for assay and basic purity, but for consistent physical attributes like flow, crystal size, and moisture content. The batch that cakes at the bottom of a drum might slow down their operation. We test for these secondary traits directly on the packing line, rather than relying purely on upstream QC. User complaints or feedback about solubility, color, or changes in product ‘feel’ are logged and get examined by process chemists. This level of involvement pays long-term dividends—we’ve seen repeat clients trust the consistency built by our extra steps.

    Checking for residual solvents such as water, DMF, or lower alcohols forms part of the lot release, and the threshold is set below what most users even notice. This comes not from abstract compliance, but from direct bench experience: labs see solvent interference, or unexpected peaks, leading to hours of troubleshooting. In our own in-house applications testing, discovering a signal threw off TLC analysis highlighted why it wasn’t just academic.

    Sustainability, Trends, and Responsible Practices

    Over time, the discussion around manufacturing shifted. There’s more interest now in how chemicals are made—not just price per kilo. This particular aminothiadiazole presents an example of how thoughtful route selection cuts down on waste. By streamlining one step, we’ve reduced mother liquor waste volumes and improved overall atom economy in the last five seasons of production. Raw material sourcing traces back to trusted suppliers where we can verify batch histories, reducing the unknowns that come with spot purchasing from brokers.

    Environmental responsibility shapes our solvent recycle streams—we collect, treat, and re-distill. What enters as a crude mixed fraction after workup comes back around for secondary uses, sometimes in-house and sometimes returned to allied plants. We disclose routine LCA data and GHS compliance information, aligning with what regulators and science-based partners expect. Direct process improvements, not just regulatory checklists, now set the direction for our annual production reviews.

    Direct Lessons Learned in Scale-Up

    Scaling from gram to multi-ton output wasn’t a straightforward transfer. Viscosity management in certain intermediates once caused agitation hitches—stirring slowed, local overheating led to marginal byproduct spikes. Lab-scale chemists can sometimes overlook what changes when jacketed vessels get replaced by larger reactors. Only after multiple pilots did process engineers devise a more effective agitation regime, mitigating local accumulation of heat and reactants.

    Batch reproducibility concerns didn’t end at reaction. Filtration brought its own set of learning moments: scale-up increased filter cake thickness, leading to longer drying times and sometimes incomplete solvent removal. Fielding queries from our end-users about odd odors or clumpiness pressed us to revisit drying temperature and airflow profiles. That hands-on troubleshooting now defines our SOPs and helps new operators get up to speed faster.

    Customer Stories and Product Evolution

    Feedback doesn’t just show up as a number in a form; it drives real upgrades to our process. One major pharmaceutical team flagged an unknown peak in their analytical profile—our batch had picked up trace benzene contamination, likely from a shared cleaning line upstream. That moment led us to toughness in line segregation and a review of all cleaning solvents—not just for regulatory compliance but to stop future issues before they started.

    Innovation circles back into the workflow. Repeated requests for higher-concentration solutions shaped a branch where we now produce this aminothiadiazole pre-dissolved in select solvents at customer request. Customization like this came directly out of personal discussions with R&D leads, not from a catalog opt-in. Over time, the molecule gained new interest for use in cross-coupling and in solid-phase combinatorial applications, where subtle changes in counterion content define results.

    Setting the Standard: A Chemical Maker’s Commitment

    Routine supplier audits now include checks not just for formal compliance, but for their internal traceability—making sure that batch data matches physical goods. In a few cases, supplier lapses in storage were visible as off-odor lots, which we traced to sweating containers exposed to weather swings. That insight led us to switch materials or draw up double-bag packaging. Put simply, what comes out to the user reflects every upstream choice, and there’s little room for shortcuts.

    The troubleshooting mindset spreads among our staff. Even new hires sense quickly that each deviation, each register at the tank or lag at filtration, bears direct impact on finished supply. Crew meetings sometimes dig deep into seemingly minor oddities—an off-note in a sample jar, a new pattern in impurity GC traces—to root out causes before shipment. That culture of direct responsibility becomes the underpinning of each outgoing batch.

    Tailoring Solutions, Not Just Shipping Drums

    Some end-users require small-batch verification, not full container loads, so our packing shop runs micro-lots with the same controls applied to larger vessels. Lab kit materials receive separate changeover and a QA slip that tracks down to a single operator. Years of feedback from these ‘high-touch’ batches fill our own internal knowledge base, feeding into refinements not only in procedure but staff training approaches.

    Flexible production lines let us serve both established pharmaceutical companies and fast-growing startups in the field. The push for faster delivery never comes at the cost of process safety or cleaning standards. This approach appeals to partners who share direct, real-world stakes in their own operations. We answer questions quickly about provenance, stability, and any trace-level concerns with the benefit of seeing how theory maps onto a working production floor.

    The Path Forward

    Looking at the science and supply chain for compounds like 5-Amino-3-Methyl-1,2,4-Thiadiazole, no single day on the floor repeats the next. Each run through the reactor, each series of wash cycles, refines not only a chemical product, but also the working knowledge of everyone in the building. Ensuring tight process control, transparency, and effective customer feedback improves both supply confidence and real-world application outcomes. The amino-methyl-thiadiazole core stays at the crossroads of synthetic innovation—whether in anti-infectives, new-probe design, or advanced agricultural chemistry—and we see our job as linking those futures to today’s material in every shipment that leaves our loading dock.

    Day to day, the drive for better process reliability and clear communication with every link in our supply chain keeps our product moving forward. Focused attention to each production run pays off in return business and long-standing relationships with research-driven partners. At the end of the day, the value in 5-Amino-3-Methyl-1,2,4-Thiadiazole isn’t only in its chemical structure, but in the process, accountability, and direct industry experience that stands behind each bottle and drum, built up year by year on the production floor.