[1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester

    • Product Name: [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester
    • Chemical Name (IUPAC): methyl 5,7-dichloro-[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate
    • CAS No.: 864685-47-4
    • Chemical Formula: C9H5Cl2N3O2
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    593561

    Iupac Name Methyl 5,7-dichloro-[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate
    Molecular Formula C8H5Cl2N3O2
    Molecular Weight 246.05 g/mol
    Cas Number 1190188-29-8
    Smiles COC(=O)c1c(n2cnnc2c2ncccc12)Cl
    Inchi InChI=1S/C8H5Cl2N3O2/c1-15-8(14)6-5(9)4-2-3-11-13-7(4)12-6/ 7D4h1H,2H2,6H,7H2
    Appearance Solid

    As an accredited [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 25-gram amber glass bottle with a screw cap, labeled with chemical name, structure, purity, and hazard warnings.
    Container Loading (20′ FCL) 20′ FCL container is loaded with securely packaged `[1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester` for efficient transport.
    Shipping This chemical, [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester, is shipped in tightly sealed containers, protected from light and moisture. It is transported according to all applicable chemical safety regulations, ensuring temperature control as required, with clear hazard labeling and comprehensive documentation provided for safe handling and tracking during transit.
    Storage Store **[1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester** in a tightly sealed container, away from light and moisture. Keep at room temperature in a cool, dry, and well-ventilated area. Avoid heat, ignition sources, and incompatible substances such as strong oxidizers. Clearly label the container and follow all relevant chemical safety guidelines for handling and storage.
    Shelf Life Shelf life: Store in a cool, dry place, tightly sealed; typically stable for 2-3 years under recommended storage conditions.
    Application of [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester

    Purity 98%: [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester with 98% purity is used in pharmaceutical intermediate synthesis, where it ensures high yield and reduced by-product formation.

    Melting point 160°C: [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester with a melting point of 160°C is used in solid-phase organic synthesis, where it offers thermal stability during processing.

    Molecular weight 292.08 g/mol: [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester with a molecular weight of 292.08 g/mol is used in analytical research, where precise molar calculations enable accurate experimental results.

    Particle size < 20 µm: [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester with particle size under 20 micrometers is used in fine chemical formulation, where enhanced solubility and reactivity are required.

    Stability temperature up to 120°C: [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester stable up to 120°C is used in advanced material development, where thermal resistance supports robust product performance.

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    Certification & Compliance
    More Introduction

    [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester: A Manufacturer’s Perspective

    Understanding Our Product at Its Core

    As hands-on manufacturers of [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester, we know each batch tells the story of applied chemistry and careful control. In our facility, attention focuses on transforming raw intermediates into a finished compound with tight structural integrity. Our team supervises every detail, from moisture content to impurity profiles, always aligning with our responsibility to deliver consistent quality to industries that depend on these advanced organic frameworks.

    Meeting reliable analytical standards matters at every stage. We work with HPLC and NMR to confirm molecular identity and purity, shaping a product ready for research and downstream pharma synthesis. Small variations in method or temperature can impact both appearance and performance, so hands-on knowledge guides our adjustments. Looking at a clear, well-defined spectrum gives us confidence before anything leaves our warehouse.

    Setting Our Specifications With Purpose

    Our approach with [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester starts at the sourcing of base reagents. Dedicated purification steps follow, removing side-products and solvents to attain high assay percentages—most lots consistently exceed industry norms for chemical purity. The compound’s melting range holds steady, owing to strict process controls. Each unit ships with COA documentation backed by real-world, batch-specific measurements.

    Through countless production runs, we’ve noticed how moisture and particle size affect processing later in the chain. Whether this material moves to a medicinal chemistry lab or a manufacturing line, users expect minimal variation. Close monitoring of these physical properties ensures no surprises in dissolution or yield, one batch to the next.

    Why Our Approach Matters for Users

    Bringing this compound to market, practical usability drives our work. Many of our customers use [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester as a key intermediate when synthesizing advanced molecules, including API candidates and agrochemical scaffolds. The two chlorine atoms and the triazolopyridine core offer valuable reactivity, expanding the synthetic options for end-users. Some labs pursue SAR exploration, others carry forward into pilot-scale API building. Both groups need a material that behaves predictably, neither clogging filters nor drifting in solubility profile.

    We’ve answered phone calls from development chemists troubleshooting an uncooperative step, only to learn the problem traces back to subtle differences in their starting methyl ester. Having seen this, we believe quality at source pays off farther downstream—saving weeks of headaches, wasted reagents, and lost yield. The requirements of synthesis cannot always be predicted. Our broad experience supports teams who face pressure to move quickly from bench to process.

    Manufacturing Insights—Beyond the Catalog Description

    Real production experience shapes how we refine our methods. In practice, not all methyl esters look—or smell—the same. Our hands have seen how humidity on the line can shift physical form, sometimes turning a free-flowing powder into lumpy aggregates. The right packaging, promptly sealed, keeps the product as intended. Our attention extends to solvent traces, which may linger if purification runs long or the reactor jacket falters. Rather than cutting corners, we invest in repeated purification runs, even at the cost of some yield, to keep final product within a narrow GC profile.

    We found that the triazolopyridine system responds poorly to oxidizing impurities. Batch after batch, we test for these, workshopping ways to suppress byproduct formation in the main ring closure. Manufacturing at scale, process implementation must balance efficiency with full impurity mapping. Shortcuts erode trust and force unnecessary re-validation, placing our clients in a tough position. Every shipment we release includes an analytical summary reflective of what a savvy synthetic chemist ought to see.

    Our production teams rely on real-time feedback from partner laboratories. We do not outsource troubleshooting or rely on theoretical best-practices data alone. Direct feedback from users—examples include slow crystallization or color variations—has shaped modifications to our drying and filtration systems. We continually revisit the core process, always gathering lessons from both successes and setbacks in the lab.

    Comparing With Peer Compounds — A Plainspoken Take

    Not every methyl ester with a triazolopyridine backbone suits every job. Our version, with 5,7-dichloro substitution, stands apart from analogs bearing unsubstituted or mono-chloro versions. Extra chloro groups bring enhanced electron-withdrawing potential, which in turn affects coupling reactions and bioactivity in research assays. In feedback from customers, these features have widened the compound’s appeal, particularly where reactivity and selectivity mean the difference between a clean conversion and useless byproducts.

    We have prepared close chemical relatives—a few without the dichloro setup, some with ethyl in place of methyl at the ester point. Those cases often show different physical properties: shifts in melting, solubility, and process stability. The methyl ester variant offers a balance—delivering sufficient stability for storage, yet providing enough reactivity for downstream derivatization. These details can matter in optimization or scale-up synthesis, where time lost to failed runs adds up.

    Supplying these subtle variants has taught us that inflexibility hampers innovation. Our relationships with medicinal chemists and research scientists grow deeper as we adapt processes to their genuine feedback. We are familiar with frustrations over unreliable supply chains, but by managing our own production runs, we keep ahead of such disruptions.

    Handling Delivery, Shelf Stability, and Safety Considerations

    Shipping a fine chemical means more than placing a drum on a truck. We have seen how exposure to light, heat, and trace water can shift color or degrade purity, even in transit. Based on observations, we seal this compound in moisture-barrier packaging, evacuate most headspace, and apply tamper-evidence to maintain chain of custody.

    Practical shelf life traces back to conscientious process and packaging design. We run periodic stability studies on representative lots, keeping product in controlled-temperature rooms and periodically re-testing for assay, appearance, and impurity changes. Only solid evidence supports our shelf-life assurances—it’s common for users to rely on our real-world charts rather than generalized expiration estimates. Our teams have spent months fielding technical requests, reviewing how ambient conditions tweak both shelf life and material handling. Conserving the original qualities holds long-term importance, especially for researchers racing against timelines or budget cycles.

    Measuring risk forms an inseparable part of our operation. Personnel training, handling SOPs, and life experiences guide us. The triazolopyridine backbone lends unique reactivity. We train both our own teams and client staff in safe handling, not out of regulation, but out of shared respect for what nature makes potent. Human experience at the workbench always takes precedence over digital forms and checklists.

    Observations on Downstream Use & Problem-Solving

    This compound’s popularity often grows once researchers need a platform for further functionalization. Early in our manufacturing journey, we observed that researchers value repeatable performance in Buchwald couplings, Suzuki reactions, and amidation steps. We deliberately tune residual solvent limits and monitor for unidentified byproducts. Our teams regularly tackle questions from teams struggling to replicate a pilot reaction at larger scale; variability in supplied starting materials cuts into their efficiency. Setting rigorous internal acceptance limits for content and impurity helps users succeed further down the synthesis chain.

    From partnering directly with API and discovery-sector clients, we have seen how late-stage yield losses stem from batch-to-batch inconsistency in precursor sourcing. We offer batch samples and support custom run requests. Sometimes, a single process tweak for one client eventually improves the offering for everyone. A user recently reported unexpected color formation during a downstream hydrazine step; reviewing our internal logs, we pinpointed a subtle pH drift in one crystallization cycle. Adjusting the process improved transparency and stability for all subsequent lots.

    Trust, Transparency, and the Real-World Manufacturing Mindset

    Trust does not grow from faceless catalog copy or generic assurances. We invite visits to our facilities and provide batch histories stretching back years, not quarters. We believe that supplying a complex building block like [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester means standing by every shipment that reaches a loading dock or lab bench.

    For us, transparency beats comfort. We regularly disclose changes in manufacturing parameters, even minor ones. Missteps are documented, reviewed, and learned from—not buried in fine print. Our clients know they can reach out and get real technical dialogue, not a generic support ticket auto-response. Over the years, we have resolved issues in days that might otherwise delay projects for weeks.

    We notice that the best technical communities—pharma, academia, materials science—value suppliers who offer both reliable chemistry and honest, real-time communication. Many of our long-term clients bring direct process feedback, collaborating not as outsiders but as partners invested in steady progress.

    Product Differentiation Rooted in Process and People

    What sets our product line apart is not just the molecule, but the journey it takes from raw input to ready-to-use. Engaged process chemists, QA staff, and logistics experts interact every day, bridging theory and applied reliability. Over time, small incremental improvements—shorter cycle times, smarter filter materials, more aggressive impurity testing—help us deliver a tool with unmatched consistency.

    Other suppliers might match a chemical structure or put similar words in a technical specification. What their glossy brochures often miss is the value gained from personal accountability. Our engineers take pride each time a new kilogram ships, knowing a real-world synthesis, discovery project, or filing deadline may depend on their vigilance. This sense of responsibility keeps standards high.

    We have translated direct customer input into product evolution: cleaner melting profiles, tighter impurity limits, even custom crystal morphology runs. Our door remains open to custom requests and pilot collaborations, because neither discovery nor manufacturing ever holds still for long.

    Looking to the Future—Challenges and Solutions for Industry

    The chemical supply landscape faces pressure. Demand predictions shift, regulatory compliance grows stricter, and the world expects more traceability. As manufacturers, we wrestle with sourcing sustainable inputs and tracking evolving environmental standards. Our team works closely with raw material vendors, investing in the screening process to prevent disruptions that cascade down to the user level.

    One challenge: regulatory harmonization. Regions maintain different thresholds for trace solvents and heavy metals. We have spent long hours tuning both process and documentation to support global API and industrial users. Not every adjustment flows smoothly—sometimes an impurity slips past routine checks, sometimes new regulatory changes introduce uncertainty. Continual vigilance, retraining, and active communication with regulators remain critical strategies. Our lessons learned are shared with clients, especially those registering new molecules or launching pilot campaigns.

    Process innovation also keeps us on our toes. Demand for greener, solvent-minimized methodology rises each year. We dedicate ongoing effort to swap out legacy reagents, test alternative purification media, and reduce waste streams at every stage. Early pilot work suggested some greener routes for synthesizing the core structure, but these often bring trade-offs in yield or scalability. We keep our partners informed of ongoing green chemistry projects, open to feedback as needs evolve.

    The real challenge in fine organic manufacturing often comes down to identifying the weakest link in a chain reaction. Sharp handling protocols, constant process audits, and active customer dialogue keep setbacks to a minimum. Using real analytical data, we troubleshoot failures side-by-side with clients, unafraid to admit what remains unknown. Growth in this business comes through honesty—transparency about limitations drives innovation that benefits everyone.

    Summary of Commitment

    Manufacturing [1,2,4]Triazolo[1,5-a]pyridine-8-carboxylic acid, 5,7-dichloro-, methyl ester is no simple task. Years of production, endless small corrections, and countless customer interactions have refined both the product and our approach. Our focus remains on real-world utility and difference-making reliability, supporting those who turn critical ideas into practical progress. Every lot stands as evidence of our ongoing engagement and our accountability to you, the user.