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

    • Product Name 2-Amino-5-Cyclopropyl-1,3,4-Thiadiazole
    • Alias 2-amino-5-cyclopropyl-1,3,4-thiadiazole
    • Einecs 629-759-6
    • 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

    916748

    Chemical Name 2-Amino-5-Cyclopropyl-1,3,4-Thiadiazole
    Molecular Formula C5H7N3S
    Molecular Weight 141.20
    Cas Number 13040-19-2
    Appearance White to off-white crystalline powder
    Melting Point 142-145°C
    Solubility Slightly soluble in water, soluble in DMSO and methanol
    Purity Typically ≥98%
    Storage Temperature Store at 2-8°C
    Smiles C1CC1c2nnc(N)s2
    Inchi InChI=1S/C5H7N3S/c6-5-7-8-4(9-5)3-1-2-3/h3H,1-2,6H2
    Synonyms 2-Amino-5-cyclopropyl-1,3,4-thiadiazole

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

    Packing & Storage
    Packing The 2-Amino-5-Cyclopropyl-1,3,4-Thiadiazole is supplied in a sealed, amber glass bottle containing 25 grams, with hazard labeling.
    Shipping 2-Amino-5-Cyclopropyl-1,3,4-Thiadiazole is shipped in tightly sealed containers, protected from moisture and direct sunlight. Packages are clearly labeled and handled according to standard chemical transportation regulations. Appropriate documentation and safety data are included. Ensure storage and shipping at room temperature, avoiding exposure to strong oxidizing agents or incompatible substances.
    Storage 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole should be stored in a tightly sealed container, away from direct sunlight, heat sources, and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at room temperature or as recommended by the manufacturer. Ensure proper labeling, and segregate from incompatible substances, including strong oxidizers and acids. Handle with appropriate personal protective equipment.
    Application of 2-Amino-5-Cyclopropyl-1,3,4-Thiadiazole

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

    2-Amino-5-Cyclopropyl-1,3,4-Thiadiazole supports advanced synthesis steps in pharmaceutical, agrochemical, and specialty chemical production. We supply this material to manufacturers requiring precise integration into regulated formulations and scalable reaction processes.

    1. Pharmaceutical Intermediate for Anti-Infective Agents

    This compound acts as a critical building block for the synthesis of novel antibacterial and antifungal APIs, especially as a core heterocycle in the assembly of beta-lactam analogues and extended-spectrum molecules. Production chemists use it for direct coupling and cyclization reactions, focusing on purity and control of trace levels of unreacted thioamide groups. Stringent quality benchmarks apply since the downstream APIs must conform to updated pharmacopoeial monographs and clinical batch traceability. Material is supplied in bulk or prepackaged for kilogram-level conversion and QC-supported integration into API pilot lines.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP) as per ICH Q7
    • USP, EP, and JP monograph requirements for API intermediates
    • 21 CFR Part 211 (Finished Pharmaceuticals)
    • FDA DMF (Type II) filing for regulated routes

    Typical usage ratio

    • Ranges from 0.8 to 1.2 molar equivalents per final API batch
    • Ratio adjusted during scale-up based on impurity profile and yield optimization

    Downstream process integration

    • Used during the heterocycle coupling stage in multi-step synthesis
    • Added post-deprotection or directly to reaction media under inert conditions
    • Monitored by in-process HPLC or GC-MS for traceability and purity

    Final product types

    • Anti-infective Active Pharmaceutical Ingredients (APIs)
    • Beta-lactam derivatives for oral or injectable formulations
    • Clinical trial materials for anti-microbial drug candidates

    2. Key Intermediate in Crop Protection Compound Synthesis

    Formulators in agrochemical manufacturing reference this thiadiazole derivative for creating novel systemic fungicide and bactericide cores. It supports the construction of unique five-membered ring heterocycles, enabling structure-activity exploration for patentable pesticide candidates. Downstream use often involves nucleophilic substitution and sulfonylation, with ongoing analytical verification at each scale-up stage. Compliance with environment, safety, and efficacy testing draws from both local legislation and multinational agronomic requirements during pre-market development of new active compounds.

    Industry compliance standards

    • OECD Guidance Document on Crop Protection Chemistry (No. 56)
    • FAO/WHO specifications for technical grade active ingredients
    • REACH Registration (EC No. 1907/2006) for agrochemical raw materials
    • ISO 9001:2015 for process capability and quality management

    Typical usage ratio

    • 0.5–1.1 molar equivalent in target pesticide synthesis steps
    • Adjusted based on desired substitution pattern or impurity profile

    Downstream process integration

    • Introduced during key cyclization or sulfonylation step in active compound formation
    • Subjected to stepwise purity control via HPLC and NMR analysis prior to formulation
    • Included in preemergent fungicide development with subsequent formulation into EC or WG types

    Final product types

    • Systemic fungicide active substances
    • Field-ready crop protectants, including suspension concentrates and granules
    • Patented active ingredients for global agricultural markets

    3. Specialty Intermediate for Advanced Material Additives

    In material science and specialty chemical manufacturing, this thiadiazole acts as a precursor for custom polymers and resin modifiers, particularly where electron-rich heterocycles improve resistivity or chemical stability. Downstream applications target the electronics and coating sectors, using it for functionalization reactions in high-performance polyimide and epoxy resin systems. Manufacturers select appropriate solvent and reaction conditions to avoid over-oxidation, with emphasis on lot traceability and formulation purity. End use demands full chain-of-custody documentation and consistency for repeatable batch QC in electronic-grade polymers.

    Industry compliance standards

    • IPC-4101 standards for base materials in electronics
    • ISO 9001:2015 for production quality
    • RoHS Directive 2011/65/EU for hazardous substances in ICT devices
    • Conflict Mineral Reporting as per OECD Due Diligence Guidance

    Typical usage ratio

    • 0.05–0.15 weight percent in high-temperature resin systems
    • Adjusted according to required functional group density and molecular weight targets

    Downstream process integration

    • Added to monomer or prepolymer mixture before final curing step
    • Processed under anhydrous conditions to achieve selective functional incorporation
    • Post-reaction workup involves solvent stripping and molecular weight verification

    Final product types

    • High-performance polyimide films for flexible PCBs
    • Chemical-resistant coatings for industrial surfaces
    • Functionalized epoxy adhesives for electronics assembly

    4. Research-Grade Reagent for Heterocycle Development

    Academic and industrial R&D laboratories utilize this molecule for heterocyclic scaffold innovation projects, focusing on the design of small-molecule probes and reference structures for drug discovery programs. Controlled micro-scale reactions in medicinal chemistry and fragment-based screening require sub-gram precision with reporting of all by-products. Research protocols demand documentation for CAS registration, compound library inclusion, and reproducibility standards as set by peer institutions and IP portfolios. Material purity and lot data remain critical for structure-activity relationship (SAR) analysis and downstream patent filings.

    Industry compliance standards

    • ISO/IEC 17025 laboratory management protocols
    • Material Transfer Agreement (MTA) for collaborative research
    • CAS and InChI identifier registration for compound tracking
    • Good Laboratory Practice (GLP) where required by funding bodies

    Typical usage ratio

    • 0.01–0.05 molar equivalent in mg-scale synthetic routes
    • Dosed per established reaction screen or solver library parameters

    Downstream process integration

    • Employed at the initial step of heterocycle construction or substitution testing
    • Used in parallel synthesis or for cross-coupling benchmarking
    • Integrated into compound management systems for digital inventory tracking

    Final product types

    • Reference heterocyclic compound libraries
    • Drug candidate scaffolds for SAR analysis
    • Novel lead compounds for biochemical screening
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    Certification & Compliance
    More Introduction

    2-Amino-5-Cyclopropyl-1,3,4-Thiadiazole: Experience from the Manufacturer’s Bench

    Meeting the Real Demands of 2-Amino-5-Cyclopropyl-1,3,4-Thiadiazole

    Out on the factory floor, real batches don’t always match textbook expectations. Producing 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole requires us to keep a close eye on the subtleties of every reaction—minute pH shifts, reagent freshness, pressure drift. Our direct experience with thiadiazole rings has taught us that even small fluctuations in temperature during cyclization impact the final purity, affecting downstream applications. This product is the result of both chemical knowledge and a hands-on approach grown from years of trial and incremental improvement. Our teams have run numerous cycles, making targeted process modifications that only manufacturing conditions can reveal, not something easily uncovered in a lab-scale trial.

    Quality Goes Beyond a Certificate of Analysis

    On paper, 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole might seem simple—a white to off-white crystalline powder, tight content specification, moisture below half of one percent, consistent melting range. Yet from inside the plant, these numbers reflect hard-won control over every input and every variable involved. We have learned from batch deviations that problems often turn up in the details—solvent residues during work-up, or traces of raw materials caught by a sharp technician’s eye under the GC. The product leaving our facility has gone through more than routine in-process checks: each lot represents decisions made by people who know that what passes centrally controlled screens ends up in a customer’s process. Those relationships mean something, and every missed impurity stands out to us as both a technical and reputational risk.

    Real-World Application Drives Process Discipline

    Chemists request 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole for a reason—its core structure is a key intermediate for research work and commercial scale synthesis. Over the years, we’ve seen the compound make its way into the pharma world, sometimes at early candidate stages, sometimes in specialties for agrochemical or materials research. So much about performance boils down to consistently meeting a handful of critical tests: HPLC or GC purity, absence of isomers, trace metal content. Our plant workers know the differences between achieving ninety-seven percent and ninety-nine percent purity. Conversations with customers have shown that those extra points aren’t just numbers—they can dramatically impact crystallization, stability, even regulatory filings. While some suppliers focus on scale and throughput alone, actual users need a lot more. Trace byproducts, variability, and batch memory (the lingering remnant of one batch in the next) become pressing concerns for those who plan to scale up or pursue registration. From our point of view, meeting these unseen expectations builds credibility over time, not just for this product, but for everything we manufacture.

    Specification and Model Distinction Grown from Customer Experiences

    Working directly with researchers and process chemists quickly teaches any manufacturer the gap between theoretical specification and real performance. In the early years, we produced standard lots of 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole, only to find that certain methods in customer hands uncovered minute differences in solubility or residual solvent profiles. It was clear that one-size-fits-all specifications would not cover the broad use cases, so we adjusted our process to switch between optimized grades: one focused on pharmaceutical intermediates with ultra-low residual solvents, another fine-tuned for non-pharma uses that prioritized throughput. This dual-path approach emerged from in-the-field conversations, balancing purity with practicality. Our teams consult regularly with customers to refine specifications—not just for the sake of quality marks, but because experience teaches that these choices reduce rework, cut waste, and spare headaches later on.

    Troubleshooting, Adaptation, and Reliability Are Earned on the Factory Floor

    Years of running cyclopropylation reactions and thiadiazole ring closures have taught our chemists and operators that real-world manufacturing rarely unfolds without a hitch. We document every deviation, every equipment breakdown, each lesson learned as part of our routine. Sometimes we’ve needed to halt a run midway because a supplier changed the stabilizer in delivered raw cyclopropylamine, throwing off our trusted protocol. On other occasions, a tiny leak in a condenser affected reaction time and purity. Problems like these hold back the perfect batch, so we actively invest in operator training and instrumentation upgrades. This is not about compliance checklists. It’s about narrowing down root causes and carrying those insights forward—never leaving quality to chance or hoping a test report will hide a flaw. Listen to any of our senior operators: they will tell you that process discipline gets built day by day, batch by batch. The goal is always the same—product that consistently meets real application requirements, because every repeat order is earned by attention to detail, not by luck.

    The Path from Lab Scale to Bulk Production: What Changes, What Stays the Same

    Scaling up 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole from a hundred milligrams in the lab to hundreds of kilos for commercial supply isn’t just a matter of bigger vessels and longer reaction times. At larger scale, unwanted side-reactions loom larger and exotherms become difficult to control. Over the years, we have rebuilt reactors, updated process control systems, and re-validated analytical protocols to adapt to this reality. Heat transfer, agitation, and sampling protocol—every factor needs hands-on adjustment to avoid unwanted surprises. Adapting each protocol demands more than chemical knowledge—it grows out of repeated cycles of scale-up, observation, data gathering, and technical tweaks. Some aspects remain unchanged: controlled addition, constant watch on endpoint monitoring, real documentation at every stage. What sets apart a robust product is this disciplined approach to scalability—forecasting rather than simply reacting.

    Comparing to Other Thiadiazoles: The Value of Structure

    The 1,3,4-thiadiazole skeleton comes in various substitutions, but experience tells us that the cyclopropyl unit brings distinct properties to the molecule compared to alkyl- or aryl-substituted relatives. During solvent selection for extraction and purification, the cyclopropyl group influences polarity and solubility—not just a structural curiosity, but a key process variable. Handling these differences at scale has taught us not to assume that procedures for, say, 2-amino-5-methyl-1,3,4-thiadiazole will succeed with the cyclopropyl variant. Early missteps—employing identical solvent systems or reuse of chromatography methods from other thiadiazoles—resulted in subpar yields or residual impurities. Over time, we mapped out these differences, refining our process to work in harmony with the unique properties of the cyclopropyl analogue. Direct operational changes—adjustment of crystallization temperatures, use of alternative drying techniques—grew from these observations, reducing batch failures and improving reproducibility.

    End Uses: The Importance of Consistent Performance

    Our customers rely on 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole for its niche role as a precursor in active pharmaceuticals, agrochemical R&D, and materials science. Not every application demands the same level of scrutiny, but conversations with long-standing buyers make clear that unpredictable batches cause delays, added costs, and loss of trust. Some require tailored documentation packages, others send their own teams to audit our plant processes. No matter where this compound goes—a pilot synthesis in a pharma route, a chemical screen in agriculture, or a prototype in advanced materials—the success of their project begins with dependability from us. That means keeping specifications not just on paper, but in reality, through locked-down processes, accepted change control, and a willingness to openly share both wins and setbacks. Every time a batch fails to meet a documented attribute, it drives us to examine root causes in production and sourcing, because customers downstream rarely have the luxury to start over with inconsistent input. The value of our product isn’t built on promises, but by a steady history of reliable output—even in difficult times.

    Supply Chain Stability: Learning from Disruptions

    Anyone who has worked long enough in the specialty chemicals business knows that disruptions in the raw material supply chain can throw wrenches into otherwise stable processes. We have experienced the impact first-hand—roh cyclopropylamine shortages, shipment delays, even container misrouting along maritime routes. Quick communication and flexibility in sourcing have allowed us to avoid major production stoppages, but no system is immune from global pressures. We have invested in long-term partnerships with multiple suppliers, never relying on a single route, to protect the continuity our customers rely on. Lessons from these challenges show up in process optimizations and inventory strategies, ensuring that we can meet orders, not just in easy times, but especially when logistics get tough. Transparency becomes critical—keeping buyers updated on delivery, collaborating on alternatives when timing gets squeezed, and making strategic stock builds part of our regular cycle, not an afterthought.

    Safety and Environmental Responsibility Grounded in Practice

    Working with thiadiazoles, particularly those bearing cyclopropylamines and sensitive functional groups, means that safety is more than documentation. Each operator on our team has a lived understanding of the hazards—volatile intermediates, potentially exothermic combinations, careful waste transfer. Decades in handling these materials reinforce a culture of safety that goes deeper than box-checking. Near misses and incidents have shaped our current protocols: improved PPE, upgraded ventilation, smarter solvent handling. Environmental stewardship isn’t an abstract corporate aim—it gets real through regular audits, waste reduction strategies, and careful tracking of solvent recovery. Our goal is to leave no surprises for our workers, neighbors, or downstream users, knowing that long-term reputations depend on vigilance and transparency. Real improvement came not from policies alone, but from experience: each near miss became a lesson, and each successful run builds our confidence and capability.

    Technical Support That Comes from Actual Production Knowledge

    Users of 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole often come to us with practical questions—solubility under a certain system, stability during storage, reactivity in uncommon solvents, or performance when scaled. Our technical support is grounded not in speculation, but in real history: hundreds of documentation pages, change records, batch logs, and firsthand operator experience. On more than one occasion, customers have faced issues that only surfaced at their stage—unexpected instability, color change, or particle variation. By retracing their protocols and mapping back to our own operations, we often uncover the answer together, whether the cause is a minor shift in particle size during grinding, or cross-contamination at the packing step. This cooperative problem-solving draws on both real-world experience and willingness to keep records open. The best outcomes always trace back to understanding, not just prescribing, and treating customer questions as technical challenges, never as complaints to be fielded away.

    Continuous Improvement: What We Have Learned (and Still Learn)

    Continuous improvement is not a slogan here, but a constant reality. Each lot of 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole we make brings feedback—internal or from customers—that prompts adjustment. Years ago, challenges with recrystallization forced us to evaluate everything from washing solvents to agitation timing. Continued feedback on trace impurities forced upgrades in purification equipment and redesign of post-reaction handling. Even now, we use real-world issues as springboards for better protocols: particles in shipping containers, moisture drift in storage, unexpected color change over months. We tackle each case with a mix of technical analysis, production tweaks, and, if needed, process redesign. Our best practices today have grown out of setbacks and triumphs alike—never static, always seeking to do better for users who depend on us.

    Working Relationships: Building Mutual Trust

    Customers demand more than a good product—they expect a partner who listens and responds. Building mutual trust means being open about both production strengths and limits. Early in our journey, we sometimes lost potential partners due to mismatched expectations or breakdowns in communication. With time, we have learned that transparency about production schedules, unexpected events, or process constraints always wins out over empty reassurances. Our best relationships are built on ongoing conversations, shared goals, and a willingness to take real feedback seriously. Repeated orders, direct joint troubleshooting, and, at times, evolving the very specifications of 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole—these signal that mutual trust has moved beyond paperwork into daily practice. The path to this trust comes through every batch shipped, every issue resolved, and every future challenge faced together.

    Modern Manufacturing: Embracing Digital Tools and Data

    In recent years, we have modernized our plant with digital data tracking, automated control systems, and real-time batch analytics. This shift didn’t replace deep chemical skill, but it strengthened process repeatability, provided trends that improve troubleshooting, and eliminated many blind spots that manual logs once missed. By connecting our analytical platforms to production data, we spot drift before it becomes an off-spec batch and capture variability across product history for every lot. Actual production benefits—not just for 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole, but across our product lines—have included sharper deviation tracking, reduced waste, and smarter maintenance scheduling. Digital improvements work best when combined with operator knowledge, not as replacements, because the ability to recognize patterns and intervene at the right time still comes from human experience. We continue to invest in these systems, confident that integrating technology and on-the-job skill provides the best foundation for product reliability.

    The Day-to-Day Craft of Fulfilling Orders

    Fulfilling customer orders for 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole is not simply a logistic exercise. Each shipment reflects multiple decisions: planned scheduling of reactors, raw material allocation, quality tracking right through the packaging line. Experienced staff know the rhythm of the plant, scheduling cycles to avoid cross-contamination, managing cleaning protocols, and packing with the unique characteristics of thiadiazole compounds in mind. Packing teams carefully monitor moisture ingress, particularly in humid climates, using real feedback from customers who once faced caked powder or sealed bags that showed traces of residue. Even shipping logistics factor in—selecting the right courier, tracking temperatures across international transit, and actively communicating with customers to avoid issues on arrival. There's no single step that defines reliable supply; it's the sum of all these efforts, working in sync, day in and day out.

    Adapting to Evolving Regulatory and Market Pressures

    Regulatory environments are constantly shifting, and chemical manufacturers feel these pressures acutely. With 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole, demands for quality, documentation, and sometimes full traceability to raw material origin have grown year after year. From responses to customer audits, to registration requirements in new geographies, we have learned to keep thorough documentation, robust change management, and an eye on evolving expectations. Failure to produce real proof of compliance on short notice can mean lost business or costly delays for downstream clients. By investing in regulatory training, adopting new documentation tools, and staying alert to upcoming changes, we make it possible for customers to navigate shifting rules with less disruption. Every request for new certification or extra testing pushes our standards higher, not just meeting the moment but anticipating tomorrow’s demands.

    Lessons from Long-Term Production: A Manufacturer’s Perspective

    Sustained production of 2-Amino-5-Cyclopropyl-1,3,4-thiadiazole has taught us far more than a lab notebook ever could. Over years, we have seen cycles of demand surge and slow, process optimizations that made measurable impact, and challenges that forced hard change. The real skill lies in learning from each cycle—knowing which upstream changes ripple through to final product, which mistakes reappear in new forms, and how to balance consistency with flexibility. Our approach is rooted in this history: adapting when needed, holding standards when it matters most, and always driving toward improvement. In practice, our experience becomes our guarantee—live knowledge, not just procedures, underpins every batch we ship. For customers who rely on this compound, that means steady supply, clear communication, and unwavering focus on real, tested performance.