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2-Chloro-3-Quinolinecarboxaldehyde Oxime

    • Product Name 2-Chloro-3-Quinolinecarboxaldehyde Oxime
    • Alias 2-Chloroquinoline-3-carbaldehyde oxime
    • Einecs 423-210-7
    • 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

    766845

    Product Name 2-Chloro-3-Quinolinecarboxaldehyde Oxime
    Molecular Formula C10H6ClN3O
    Molecular Weight 219.63 g/mol
    Cas Number 16662-89-4
    Appearance Light yellow to yellow crystalline powder
    Melting Point 220-222°C
    Solubility Slightly soluble in water, soluble in organic solvents like ethanol and DMSO
    Purity Typically >98%
    Storage Temperature 2-8°C (Refrigerated)
    Synonyms 2-Chloroquinoline-3-carboxaldehyde oxime
    Smiles C1=CC2=NC=C(C=C2C(=N/O)Cl)C=C1

    As an accredited 2-Chloro-3-Quinolinecarboxaldehyde Oxime factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 10 grams, sealed with a screw cap, labeled "2-Chloro-3-Quinolinecarboxaldehyde Oxime," hazard symbols included.
    Shipping 2-Chloro-3-Quinolinecarboxaldehyde Oxime is shipped in tightly sealed containers to prevent moisture and light exposure. It is classified as a laboratory chemical; standard shipping includes appropriate hazard labeling and documentation. The material should be handled according to local regulations and is typically sent by ground or air under controlled temperature conditions if required.
    Storage Store **2-Chloro-3-Quinolinecarboxaldehyde Oxime** in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Keep away from incompatible substances such as strong oxidizers and acids. Ensure storage in accordance with standard chemical safety protocols, and label the container appropriately to prevent accidental misuse or exposure.
    Application of 2-Chloro-3-Quinolinecarboxaldehyde Oxime

    Applications of 2-Chloro-3-Quinolinecarboxaldehyde Oxime in Industrial Manufacturing

    As a specialized manufacturer of 2-Chloro-3-Quinolinecarboxaldehyde Oxime, we focus on supplying high-purity material for advanced industrial syntheses. This compound performs key functions in select markets as a targeted intermediate, facilitating process efficiency, regulatory compliance, and end-product consistency across several specialized downstream sectors.

    1. Pharmaceutical Active Ingredient Synthesis

    Pharmaceutical manufacturers rely on this oxime derivative as an essential intermediate for API synthesis—especially for quinoline-core antimicrobials and antimalarials—enabling precise molecular modification steps. The molecule’s reactive sites support regioselective introductions of functional groups, forming part of highly regulated GMP batch processes for APIs found in generic and innovative therapies. Its batch-to-batch purity influences final substance compliance and downstream product bioavailability.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • US Pharmacopeia (USP) and European Pharmacopeia (Ph. Eur.) monographs relevant to target APIs
    • FDA 21 CFR Part 211 (cGMP for Finished Pharmaceuticals)
    • EDQM CEP (Certificate of Suitability)

    Typical usage ratio

    • Ranges between 12%–25% molar equivalent within the reaction sequence, depending on target core structure, adjusted based on route-specific stoichiometry and isolation yield factors

    Downstream process integration

    • Enters at the intermediate coupling stage, reacting with alkylating or acylating agents to build the quinoline backbone before product crystallization, isolation, and chromatographic purification

    Final product types

    • Quinoline-based API intermediates
    • Antimalarial bulk drug substances
    • Antitubercular intermediates
    • Pharmacologically active quinoline derivatives

    2. Agrochemical Intermediate Manufacturing

    Crop protection chemical producers use this material during the multi-step synthesis of selective herbicides, insecticides, and fungicidal precursors. Its role as an oxime derivative facilitates nucleophilic substitution and cyclization critical for generating bioactive heterocyclic scaffolds in agrochemical organics, impacting the effectiveness and selectivity of final field formulations.

    Industry compliance standards

    • FAO and WHO specifications for pesticide technical material production
    • REACH (EC Regulation No 1907/2006)
    • ISO 9001:2015 Quality Management System for agrochemical manufacture
    • Globally Harmonized System (GHS) for labelling and classification

    Typical usage ratio

    • Commonly formulated between 8%–18% by weight of key synthetic charge, adjusted in relation to the intended crop application spectrum and specific cyclization yields during production

    Downstream process integration

    • Dosed into the initial oximation or reduction reaction vessel, subsequently subjected to chlorination, alkylation, or saponification steps forming the functionalized heterocycle before going to technical concentrate formulation

    Final product types

    • Herbicide technical concentrates
    • Insecticide intermediates
    • Fungicidal precursor chemicals
    • Finished pesticide active ingredient technical material

    3. Specialty Dye and Pigment Synthesis

    Manufacturers of high-performance dyes and pigments incorporate this oxime to achieve color-fast heteroaromatic scaffolds with strong light stability and targeted color shade control. Its structure promotes regioselective condensation and facilitates the design of advanced azo and anthraquinone pigment molecules, influencing dispersion characteristics in inks and coatings.

    Industry compliance standards

    • REACH (EC Regulation No 1907/2006) for organic colorants
    • Oeko-Tex® Standard 100 for textile chemicals
    • ISO 787-24 (General methods of test for pigments and extenders)
    • GMP for food-contact colorant intermediates (where applicable)

    Typical usage ratio

    • Formulated at 3%–11% by total batch weight, adjusted by pigment structure complexity and final hue intensity requirements during condensation and coupling reactions

    Downstream process integration

    • Introduced at the color precursor generation stage prior to azo coupling or condensation with carbocyclic partners under controlled pH and temperature profiles

    Final product types

    • Disperse and reactive dyes
    • High-stability pigments for plastics and textiles
    • Industrial inkjet colorants
    • Toner pigment intermediates

    4. Heterocyclic Fine Chemical Building Block

    In fine chemical and material science sectors, research-focused and electronic-grade manufacturers utilize this molecule as a customizable quinoline oxime building block. Its applications focus on synthesizing performance additives, electronic intermediates, and photonic compounds, where purity levels and isomeric consistency support advanced functionalization without introducing process impurities.

    Industry compliance standards

    • ISO 9001:2015 Quality Management System
    • RoHS 2011/65/EU compliance where applicable for electronic-grade materials
    • Chemical Abstracts Service (CAS) record validation for intermediate traceability
    • Customer-specific quality and trace impurity thresholds

    Typical usage ratio

    • Utilized between 2%–15% by reaction charge, with adjustments based on downstream heterocycle size, functional group density, and electronic property targets

    Downstream process integration

    • Operates in the nucleophilic substitution or ring extension phase, allowing addition of customized functional groups before downstream hydrogenation or molecular assembly in controlled reactors

    Final product types

    • Organic optoelectronic intermediates
    • Photonic material building blocks
    • Specialty chemical additives for coatings
    • Functional monomer precursors for advanced polymers
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    Certification & Compliance
    More Introduction

    Introducing 2-Chloro-3-Quinolinecarboxaldehyde Oxime: Insight from Our Manufacturing Floor

    Bringing Precision and Clarity to the Forefront of Chemical Synthesis

    Chasing after reliable specialty chemicals often feels like navigating a maze. Over here in our plant, we don’t look at a compound as just a line on a production schedule or a bottle on a shelf. 2-Chloro-3-Quinolinecarboxaldehyde Oxime does more than tick a box on an order list—it brings precision to those who work in synthesis. For years, our operations team has handled the formulation and isolation of this compound, giving us more than a surface-level perspective on how and why it matters. Every batch tells a story about strict process control, meaningful technical investments, and what makes this molecule stand apart from the rest.

    The Character of a Compound: Understanding Our Product

    Consistent color, high purity, and unambiguous molecular structure—these have always mattered. Our primary offering rests on a model that puts analytical certainty at the top. Each lot comes out of our reactors as a light yellow powder, with purity routinely verified above 98% through HPLC and NMR. That’s not just for show; this level of scrutiny comes after working closely with partners in pharmaceutical research and fine chemical synthesis, who use this oxime as a building block for more ambitious compounds. Synthesis teams depend on reliable starting materials—with 2-Chloro-3-Quinolinecarboxaldehyde Oxime, we’re not introducing variables you didn’t bargain for.

    What Sets This Oxime Apart

    In real-world practice, subtlety in chemical structure plays a huge role in performance and suitability. 2-Chloro-3-Quinolinecarboxaldehyde Oxime stands far apart from standard quinolinecarboxaldehydes or their direct oxime relatives. We see synthetic chemists reach for it when they want precise regio- and chemoselectivity during condensation, cyclization, or protection/deprotection steps. Unlike more generic quinoline aldehydes or non-chlorinated analogues, the chloro substituent at the 2-position changes reactivity, which can lower side-product formation and streamline purification in multi-step synthesis. That translates to real saved hours and less headache over column chromatography.

    Forklift operators in our dry room all know how to spot a subpar lot by smell or off-color, but there’s a deeper difference that only emerges in a well-run reactor. Our process produces consistently controlled crystal size and fewer loosely-bound solvent pockets. Over time, we’ve learned that customers come back expressly for the way this compound dissolves smoothly and leaves behind negligible residue on glassware—a detail that matters every time a process has to be scaled from milligrams to kilograms. That’s the sort of “invisible” advantage only experience in scaled production can reveal.

    Down to the Molecular Details: Specifications Without the Jargon

    Nobody working in an R&D lab enjoys surprises—especially when the output hinges on just a few milligrams of key intermediate. Our plant supervisors inspect every lot under strict protocols. By leveraging modern analytical equipment, such as FTIR and GC-MS, we avoid batch-by-batch wandering in melting point or purity. The melting point range sits comfortably in the expected bracket, and moisture content—checked by Karl Fischer titration—remains within tight margins. During summer, humidity climbs, so we double down on drying time and nitrogen blanketing, sticking to what’s proven to work.

    Shelf stability forms part of our ongoing quality check. Over time, we have tracked how the compound holds up under ordinary lighting conditions, typical warehouse temperatures, and even during long-haul container voyages. Here, thinking ahead pays off; desiccated packaging, opaque containers, and inclusion of stabilizing agents aren’t just marketing claims—they’re line items woven into our packaging protocol. Consistent positive customer feedback proves that these measures prevent chalcone formation and unwanted hydrolysis, especially in high-humidity transit.

    Product in Use: What Our Experience Teaches About Handling and Performance

    We’ve never shipped this product without running our hands through the finished powder, checking for clumping or odor. There’s no shortcut to knowing your own material. In research chemistry, this oxime has found preferred use as an intermediate for synthesizing antibacterial and antimalarial candidates, heterocyclic frameworks, and a portfolio of ligands. Its chemical profile supports both nucleophilic and electrophilic substitutions, where the chloro group at position two opens doors not available in unsubstituted analogs. Peers who tried switching to less pure alternatives circled back after observing drops in reaction yield, or, more vividly, “nightmare” byproduct levels. Years producing for medicinal chemistry labs taught us that this isn’t a one-size-fits-all intermediate—specific projects lean on its dependable behavior under rigorous conditions.

    Why Practical Knowledge Beats Theoretical Claims

    Over the years, we’ve also had chemists from both academic and industrial backgrounds visit our plant floor, asking pointed questions about how we prevent contamination, stuck crystallizations, or instability during storage. Honest answers help set them up for success. We don’t just point to certificates or chromatograms. For example, the parent aldehyde and oxime can undergo tautomerization or E/Z isomerization, processes that only careful environmental controls and fast downstream workup can limit. We’ve set up our workflows so storage time between synthesis and packaging is as short as possible. This reduces chances for impurity creep, which is tricky to spot at first but can derail downstream work. Our investment in on-site analytical capacity—rather than sending samples off and waiting days for results—cuts response time and helps us intervene faster if an outlier batch pops up.

    Key Advantages Over Other Quinolinecarboxaldehyde Compounds

    Chemistry isn’t just about a name or a catalog number. Compared directly with, say, 2-Chloro-3-Quinolinecarboxylic acid or the unsubstituted quinolinecarboxaldehyde oxime, this compound presents a unique combination. The 2-chloro substitution modifies polarity and reactivity, paving the way for increased selectivity in certain C-N and C-C bond-forming reactions. Imine formation, an otherwise touchy process, proceeds with a narrower impurity window. Where other oximes often attract too much unwanted hydrolysis or require additional steps post-synthesis, ours delivers clean separation and improved yields.

    Commercial chemists working on ligands or novel heterocyclic drugs often mention cost savings in solvent and time due to fewer required purification cycles. That stems from less off-target reactivity, credited directly to the fingerprint purity of our oxime. Projects once delayed by tricky isolation protocols often find a new pace, since downstream reactions don’t stall from product/solvent mismatches or unpredictable melting points. We put these details front and center, since our own manufacturing staff—typically chemists with years on the bench—insisted on those same standards for their own projects, before ever recommending them to external partners.

    Pursuing Continuous Improvement: What Experience Teaches

    Nothing stands still in chemical manufacturing. Over the last decade, feedback from downstream synthesis groups and our own quality team prompted us to tweak several parameters. For example, we switched from older condensation approaches to routes granting tighter control over isomer ratios. On the purification side, we invested in higher-throughput vacuum filtration units, reducing trapped solvent, and improved throughput without pressing the product to an unsafe dry point. Experience taught us that even tiny process changes—adjusted solvent ratios, altered chilling profiles—can produce measurable improvements in how the oxime performs back in customers’ glassware. In a few cases, extended conversations with academic collaborators revealed how trace side-products (only visible on very sensitive LC-MS) correlated with un-optimized washing, so we built in more rigorous post-reaction handling.

    We pass those lessons directly on to customers, especially those who process at large scale or who need material ready for regulatory filings. Our regulatory staff tracks all shifts in production methods, checking that every downstream group receives material with up-to-date documentation. That trust runs on the daily work we do—not just in high-level protocol documents, but in how each team member handles batches, records anomalies, and stands by the results. It’s the same attitude that keeps our turnover low and has built multi-year partnerships across continents.

    Resilience Through Supply Chain Challenges

    Periods of tight raw materials or uncertain shipping lanes taught us the limits of just-in-time delivery. For critical intermediates like 2-Chloro-3-Quinolinecarboxaldehyde Oxime, production cannot simply stop for lack of feedstock. We keep buffer inventory of high-purity raw materials, and we track supplier reliability over months, not just weeks, because production halts can mean cascading effects for our partners further down the pipeline. Real-world events—shipping delays, customs holdups, or sudden regulatory changes—are reality in this business. In response, we lock in supply not only through robust contracts with raw materials suppliers but also through in-house manufacturing of some key starting materials.

    Downstream users appreciate candid updates, not empty guarantees. If an unexpected event impacts production, buyers hear directly about shipment changes and backup timelines—with full traceability on origin and handling. It’s the sort of transparency we came to value in our own suppliers, and one we never compromise on in our communications. Over the last few years, this approach not only cushioned us from major disruptions but also built stronger, more resilient relationships with longstanding clients.

    Looking at the Road Ahead: Meeting Emerging Needs

    Standing still offers little security in specialty chemicals. Advanced synthetic methods, green chemistry initiatives, and evolving regulatory frameworks now drive steady change. As makers of 2-Chloro-3-Quinolinecarboxaldehyde Oxime, we notice a clear shift: more partners asking about waste minimization, solvent recycling, and lower-energy processes. Responding to those needs, we regularly review and revise our manufacturing practices. Over the past few years, we cut solvent use, upped recycling, and shifted toward more renewable energy for our operations.

    Upcoming products and processes continue to challenge us in the best way. With computational chemistry predicting new pharmacologically relevant scaffolds—and with more stringent environmental rules in every region—upstream intermediates such as our oxime carry expanding significance. We keep our analytical lab in constant motion to stay a step ahead, validating every new improvement so synthesis teams downstream don’t lose a beat. Our development chemists collaborate across the industry, keep tabs on published patents, and adjust procedures based on what truly matters at the bench.

    Listening Closely: The Value of Direct Feedback

    The most useful guidance doesn’t always flow from a boardroom or through official pathways. We built out process upgrades and packaging refinements after straightforward conversations with users frustrated by sticky powder, slower-than-expected dissolution, or packaging not suited to their repurposing needs. We’ve started providing application notes, drawn from our own test data, showing worked solvent systems, common impurity profiles, and troubleshooting for trickier reactions. We treat complaints or even offhand comments as actionable data points. Experience accumulates in small, practical ways—through logs in a prep room, technician suggestions, or a sample sent back with notes. That push-and-pull keeps our offering relevant as expectations and applications shift.

    Many pharmaceutical and academic clients share insights about how they manage process changes or regulatory hurdles, so we can examine our own documentation for clarity and transparency. We’ve rewritten technical summaries, added lot-to-lot variance reports, and provided new purity benchmarks in response. That back-and-forth ensures both sides know exactly what’s arriving in the drum or bottle, which in turn shields projects from delay or uncertainty when products must meet registration or submission needs.

    Role in Modern Synthesis: Beyond the Label

    At our core, the drive for continuous improvement and responsiveness to feedback pushes our process for manufacturing 2-Chloro-3-Quinolinecarboxaldehyde Oxime. The compound, while seemingly another entry in a long list of fine chemicals, supports key advances in medicinal chemistry, agricultural research, and even material science. Research teams developing next-generation antibiotics or exploring unique metal binding properties find new footholds by leveraging subtle shifts in the structure—like its electron-withdrawing chlorine—over more generic scaffolds.

    Since chemical innovation rarely takes a straight path, our production line adapts along with shifts in demand. We don’t just answer requests; we share data and provide technical discussions based on real handling experience, so partners know how this oxime might support new assay design, targeted API synthesis, or scaffold hopping for lead optimization. Where alternative quinolinecarboxaldehyde derivatives may offer broader applicability, ours often wins out in high-selectivity, high-yielding transformations involving nucleophilic attack or metal-catalyzed cross-coupling.

    What Our Commitment Means for Users

    Quality starts upstream. Our warehouse staff, shift supervisors, and in-line QC analysts have standing authority to halt production if readings don’t meet our threshold—a lesson learned after regrettable batch drift years ago created unnecessary headaches for several key accounts. Now, strict monitoring, frequent recalibration, and commitment to continuous review make these compounds more than just a chemical transaction. For customers, this translates to fewer process interruptions, lower batch-to-batch variability, and predictable downstream performance whether working from a hundred grams or upscaling towards a metric ton.

    We never take requests for customization or technical details lightly. Each tweak—be it in particle size specification, moisture control, or impurity reduction—is implemented based on collaborative conversations and measured impact, not just theoretical optimization. That mindset distinguishes specialized production from broader, less attentive alternatives, where volume sometimes trumps nuance.

    Conclusion: More than a Material—A Partnership Built on Experience

    2-Chloro-3-Quinolinecarboxaldehyde Oxime might seem like a niche compound, but the knowledge wrapped up in every bottle extends beyond the batch slip or purity statement. Rooted in hands-on manufacturing and open exchange with the scientific community, our approach produces a material that supports ongoing innovation at every scale—from small-batch pilot programs to established pharmaceuticals and research pipelines.

    Every advancement in the plant or out in the field adds a layer to what seems, at first glance, a static product. For us, the conversation never ends. We learn, tweak, document, and improve, always keeping our line wide open to those who depend on this material for their next discovery or solution. In this way, the real value of 2-Chloro-3-Quinolinecarboxaldehyde Oxime emerges—not just as a structure in a catalog, but as a result of trust, experience, and a shared pursuit for progress in chemical science.