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2-Chloro-5-Fluoro-3,8-Dimethylquinoline

    • Product Name 2-Chloro-5-Fluoro-3,8-Dimethylquinoline
    • Alias 5-Fluoro-2-chloro-3,8-dimethylquinoline
    • Einecs 697-674-1
    • 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

    588473

    Product Name 2-Chloro-5-Fluoro-3,8-Dimethylquinoline
    Molecular Formula C11H8ClFN
    Molecular Weight 209.64 g/mol
    Cas Number 1346797-04-1
    Appearance White to off-white solid
    Solubility Slightly soluble in organic solvents
    Purity Typically >98%
    Smiles CC1=CC2=C(C=C1Cl)N=C(C=C2F)C
    Inchi InChI=1S/C11H8ClFN/c1-6-4-9-7(2)5-10(13)11(12)8(9)3-6/h4-5H,1-3H3
    Storage Temperature Store at room temperature
    Hazard Statements May be harmful if swallowed, causes skin and eye irritation

    As an accredited 2-Chloro-5-Fluoro-3,8-Dimethylquinoline 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 25 grams of 2-Chloro-5-Fluoro-3,8-Dimethylquinoline, sealed with a screw cap and safety labeling.
    Shipping 2-Chloro-5-Fluoro-3,8-Dimethylquinoline is shipped in tightly sealed, chemical-resistant containers to prevent leakage and contamination. Packages are clearly labeled according to regulatory requirements and handled with care to avoid mechanical damage. Transport is conducted under ambient conditions unless otherwise specified, and documentation accompanies the shipment for proper tracking and compliance.
    Storage 2-Chloro-5-Fluoro-3,8-Dimethylquinoline should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of ignition, moisture, and incompatible substances such as strong oxidizers. Protect it from direct sunlight and avoid prolonged exposure to air. Proper labeling and adherence to local chemical storage regulations are recommended.
    Application of 2-Chloro-5-Fluoro-3,8-Dimethylquinoline

    Applications of 2-Chloro-5-Fluoro-3,8-Dimethylquinoline in Industrial Manufacturing

    As a manufacturer specializing in quinoline derivatives, we supply 2-Chloro-5-Fluoro-3,8-Dimethylquinoline to global enterprises involved in pharmaceutical synthesis, agrochemical production, pigment intermediates, and advanced material additives. This section outlines established industrial applications, specification requirements, real-world formulation ratios, process stages, and typical finished goods related to each sector.

    1. Active Pharmaceutical Ingredient (API) Intermediate for Oncology Compounds

    Leading API makers utilize this compound as a building block for synthesizing select kinase inhibitors and anti-tumor drugs. The unique substituted quinoline skeleton confers structural diversity crucial for developing target-specific molecules. In downstream operations, our product undergoes N-alkylation or amide bond formation during the core intermediate assembly before final API crystallization. Process development teams rigorously qualify each lot to comply with regulated impurity profile requirements, ensuring suitability for human therapeutic markets.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.) General Chapters
    • US FDA 21 CFR Part 211 (Finished Pharmaceuticals)
    • EDQM CEP documentation requirements

    Typical usage ratio

    • Used at 0.1 – 1.2 molar equivalents, calibrated according to target API pathway
    • Batch scale controlled based on impurity clearance and isolation protocols
    • Adjusted due to solvent volume, process impurities, and final yield specifications
    • Commonly 100 – 350 g per 1 kg API output post-optimization

    Downstream process integration

    • Feeds into step 3–7 within multi-stage heterocyclic synthesis
    • Part of Buchwald-Hartwig amination or Suzuki coupling blocks
    • Requires dry and nitrogen-blanketed handling in API workrooms
    • Processed under closed-system reactors for impurity control

    Final product types

    • Small-molecule oncology drug substances
    • Pyridine/quinoline-based kinase inhibitors
    • Pharmaceutical-grade intermediates for anti-tumor synthesis
    • Research-scale standards for clinical batch trials

    2. Agrochemical Synthesis for Fungicide Development

    Major crop protection manufacturers incorporate this intermediate during the synthesis of certain systemic fungicides. By providing a fluorinated and chlorinated quinoline scaffold, our raw material supports the downstream introduction of thioether or urea functionalities essential for high-performance agricultural chemicals. This compound is typically involved during the penultimate coupling step of technical-grade agroactive synthesis before formulation and granulation.

    Industry compliance standards

    • FAO/WHO Specification for Technical Grade Active Ingredients
    • ISO 9001:2015 Quality Management for Agrochemical Plants
    • REACH Registration (EU Regulation EC No 1907/2006)
    • Chinese GB 20813-2007 Pesticide Registration

    Typical usage ratio

    • Mol ratio: 1.0–1.3 per target fungicide skeleton
    • Process loads of 120–400 g per kg of finished technical concentrate
    • Adjusted based on process route and crude yield after isolation
    • Ratio defined per proprietary synthesis procedure

    Downstream process integration

    • Initiates quinoline core assembly with chlorination/fluorination stage
    • Feeds into condensation with dithiocarbamate or urea partners
    • Batch blended in semi-continuous systems pre-purification
    • Subject to solvent swap and phase separation in unit operations

    Final product types

    • Systemic fungicide technicals (bulk active ingredient)
    • Crop protection premix granules
    • Wettable powder and suspension concentrate agroformulations
    • Custom synthesis fungicide actives for registration dossiers

    3. Pigment Intermediates for Specialty Organic Dyes

    Leading pigment houses employ this quinoline derivative in the synthesis of high-value organic dyes used for plastics, coatings, and specialty printing applications. Its specific halogenation and methylation enable downstream diazotization and coupling reactions required for high-purity pigment bases. Reactor operators dose the compound during the initial dye chromophore construction, maintaining color strength and stability throughout pigment processing and downstream formulation.

    Industry compliance standards

    • EN 71-3:2019 for pigment heavy metal limits
    • ISO 9001:2015 for synthetic pigment production
    • RoHS Directive 2015/863 (if used in E&E applications)
    • ASTM D3879 for pigment testing and QA

    Typical usage ratio

    • Dosed at 90–210 g per 1 kg dye base, per chromophore type
    • Adjusted for batch yield, by-product minimization, and shade control
    • Higher input for deep color conversions, lower for tint intermediates
    • Process chemists establish specific ratios based on R&D runs

    Downstream process integration

    • Blended into initial step of color base synthesis
    • Goes through multi-stage diazotization and azo coupling
    • Supports controlled halogen insertion for spectral stability
    • Handled in jacketed glass-lined vessels pre-drying

    Final product types

    • High-chroma organic pigments for plastics and coatings
    • Specialty printing ink dispersions
    • Colorant precursors for fiber and yarn dyeing
    • Deposited dyes for anti-counterfeit packaging

    4. Advanced Material Additive for Electronic Component Coatings

    Manufacturers of functional coatings apply this compound as a key additive in the formation of protective films and insulative varnishes for select electronic parts. The structure imparts enhanced resistance to chemical corrosion and UV degradation, especially in formulations targeting automotive, communication, and industrial devices. During compounding, this ingredient enters the resin modification stage, influencing the molecular cross-link density critical for high-voltage or high-frequency performance.

    Industry compliance standards

    • IPC-4101D (laminate and prepreg performance)
    • UL 94 flame retardancy for coating materials
    • IEC 60216 thermal endurance certification
    • ISO 14001:2015 for EHS management in electronics

    Typical usage ratio

    • Used at 0.5–2.2% by weight of total resin solids
    • Ratio set based on final viscosity and dielectric requirements
    • Ranges up to 25 g per kg in high-functionality batches
    • Fine-tuned by application engineers during pilot scale-up

    Downstream process integration

    • Premixed during pre-polymer blending stage
    • Injected prior to catalyst addition and film casting
    • Assisted with high-shear dispersion for uniform distribution
    • Quality checked at QC lab for miscibility and stability

    Final product types

    • PCB protective varnishes
    • UV-resistant conformal coatings
    • Electronic potting compounds
    • High-barrier laminating films for automotive electronics
    Free Quote

    Competitive 2-Chloro-5-Fluoro-3,8-Dimethylquinoline prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    2-Chloro-5-Fluoro-3,8-Dimethylquinoline: Behind the Process & Craftsmanship

    Building Performance with Precision Chemistry

    Here at our factory, the process behind 2-Chloro-5-Fluoro-3,8-Dimethylquinoline isn’t about batching another chemical. Every step—from raw materials sourcing to synthesis and purification—reflects what years of plant-floor work can deliver. This compound, formula C11H8ClFN, stands apart from other quinolines for seasoned chemists in both its structural features and the way it integrates into the in-the-field needs of advanced organic synthesis.

    To us, it’s never been only about filling a drum or bag. The challenge lies in building the product batch-to-batch with the kind of reliability that makes downstream research and manufacturing more predictable. Our teams run close monitoring from chlorination to methylation, each stage defining the final outcome. Clean reaction profiles and low impurity counts earn trust once our product leaves the gate.

    Technical Character and Value in Use

    We see requests for 2-Chloro-5-Fluoro-3,8-Dimethylquinoline come from pharmaceutical R&D and custom synthesis houses. They look for consistent lot-to-lot output because even small differences in side products, color, or residual solvents turn into rework or failed trials. Our process pays off here; finished material comes in with HPLC purity levels above 98%, most samples showing a stable off-white to light yellow crystallinity.

    Handling the whole production, from bench to scale-up, lets us control not only yield but reproducibility. Direct feedback from customers tells us that solid-state character—a professional way to describe how the compound holds up to physical handling, shipping, and dissolution—plays into the time saved for research chemists. Unlike some closer analogs, this variant doesn’t clump or show strange solvates under reasonable storage, which matters for shelf stability.

    Synthetic Flexibility and Distinctive Features

    Why bother with this quinoline variant? Advances in heterocycle chemistry depend on accessing fine-tuned building blocks. Adding two methyl groups at the 3 and 8 positions shifts electronic character without sacrificing reactivity in further transformations. The chlorine at 2-position provides a clean exit point for nucleophilic substitution, and the fluorine at position 5 brings metabolic robustness when the compound moves downstream in biologically active molecule design.

    Each functional group adjusts what can be built from this intermediate. Compared to standard quinolines, including 2-chloro or 5-fluoro substituted versions on their own, our product doesn’t just check a box in a catalog. It supports efficient Suzuki or Buchwald-Hartwig couplings, and the double methylation can shield certain positions from unwanted side reactions during scale-up.

    Labs interested in new kinase inhibitors or agrochemical scaffolds find these features practical, not academic. Lowering process waste also matters. Our optimized reaction routes produce less halogenated by-product compared to older protocols. Chemists who scale up from grams to multi-kilo batches demand this level of process insight, especially when regulatory filings or downstream analytics come into play.

    Performance Tested on Real Projects

    Over the years, feedback from medicinal chemistry teams has driven us to refine purification and drying steps. Issues like melt viscosity or moisture pick-up turn up in real-world storage and formulation, not just during synthesis. By adjusting drying protocols and monitoring batch moisture below 0.2%, products reach the lab ready for direct weighing and solvent charging.

    Making a difference means qualifying each lot with a standard verification panel beyond simple HPLC. Our analysts check for residual solvents, trace metals, and confirm precise melting point ranges. These aren’t marketing lines; our plant staff works with incoming project briefs from clients to meet the threshold for sensitive synthetic routes. Recent requests involved large pilot campaigns, and our facility scaled from dozens of grams to tens of kilograms without loss of product integrity. These are the details that change the calculation for time-to-delivery in high-pressure contract development projects.

    Comparisons to Related Quinolines

    Customers sometimes ask why not use a more readily available 2-chloro-5-fluoroquinoline, skipping the double methylation. On paper, it’s cheaper. On the bench, it’s a different story. Two methyl groups on this scaffold tune hydrophobicity and electron density in ways single-methyl or unmethylated structures don’t match. These shifts matter in late-stage functionalization—not simply for proud chemical naming, but for controlling selectivity or blocking points during complex multi-step synthesis.

    Other suppliers may offer material with similar purity by HPLC but traditional purification doesn’t always strip away isomeric or heavy-metal residues formed during harsher chlorination conditions. We’ve invested in tighter process monitoring and post-synthesis clean up, isolating only the needed regioisomer and leaving out unhelpful by-products. Seasoned chemists notice less batch-to-batch troubleshooting and fewer unexplained variances in yield, especially with scale increases.

    Supporting Sustainable Manufacturing

    Thinking beyond the factory, we optimize handling and environmental controls during manufacture. We use solvent recovery lines and closed-loop purification wherever possible, which lowers not just overhead, but also the environmental risk of halogenated waste streams. Changes like these develop quietly; they don’t grab headlines, but they matter for chemical plants working under tightening global standards.

    This product isn't just about paperwork compliance or certifications—it’s a reflection of ongoing practical work in chemical stewardship. Employees and management work together to phase out older, less sustainable reagents on the shopfloor. Decisions to shift to greener chlorinating agents or to limit energy-intensive steps keep us in step with global sustainability audits, and ensure we stay ahead of unplanned shutdowns or regulatory delays.

    Partnering with Innovation

    Working with pharmaceutical teams on tight project timelines means more than just shipping a material with a high assay. We involve our chemists with client R&D when needed, discussing how small tweaks in route or functionalization could smooth out critical reactions. One project saw a customer facing bottlenecks when targeting challenging arylated heterocycles. We provided samples at differing hydration states and investigated their downstream effects on crystallization kinetics. Adjusting the drying regime led to a tighter particle size distribution and less variability in their critical final step.

    Our relationships begin with the technical conversation, not a catalog page. Continuous improvement in our process depends on real dialogue with the research teams using the material. It’s not unusual for us to recheck our analytical approach based on a client’s new detection protocols. Sometimes, this leads to even finer impurity profiling, which in turn supports innovation as more demanding synthetic techniques emerge.

    Challenges and Solutions in Scale-Up

    Scaling up any specialty aromatic presents daily challenges. The formation of regioisomers, the tendency for fluorinated intermediates to act up under certain conditions, or the simple logistics of waste management all increase as output multiplies. Our crew has learned that investing in real-time monitoring and responsive process adjustments leads to less rework and fewer outages.

    A few cycles back, we confronted an unexpected color drift in a major batch destined for a pharmaceutical trial. The deviation didn’t appear in our typical QA checks; it took a collaborative push to find trace catalyst carryover as the root cause. Reacting fast, our engineering team upgraded chromatographic purification and installed a second filtration loop, all in a single production window. This kind of learning by doing, built on experience instead of theory, makes a real difference to customers who rely on the tight schedule.

    Safety, Handling, and Worker Care

    On the ground, every stage from chlorination to packaging mandates attentive safety control. Halogenated intermediates require clear separation between synthesis and final packaging to avoid cross-contamination. Direct air handling and closed transfer lines keep emissions in check and protect both the operator and surrounding environment.

    We’ve responded to worker input about ergonomic improvements at heavy-lift and handling stations, installing new containment hoods and redesigning packaging floors to minimize repetitive strain. These steps improve safety outcomes and reduce downtime from preventable incidents. Process chemists and handlers train alongside each other, sharing solutions for efficient operation and continuous vigilance.

    The Path Ahead for 2-Chloro-5-Fluoro-3,8-Dimethylquinoline

    Research trends in medicinal chemistry point toward further use of highly tailored aromatics, especially as drug discovery and agrochemical development chase compounds with fine-tuned metabolic characteristics. Ongoing work at our facility focuses on pushing yield, purity, and batch adaptability while keeping a lid on costs and waste footprints.

    Interest grows every year, not just from high-tech corners but from smaller research ventures working on rare disease therapies or specialty crop protection. Keeping quality strong, process improvements ongoing, and technical engagement direct defines our approach. We bring more than a commodity; we supply a foundation that powers new molecular concepts in tomorrow’s labs.

    Open Collaboration and Technical Transparency

    We believe in more than promise sheets. Our production records, QA audit trails, and analytical traces are open to review for partners with a stake in the results. It’s not uncommon for our technical teams to share in-process samples with R&D partners, help troubleshoot their synthesis, or brainstorm expansions to fit odd-lot requests outside standard runs.

    Competitors sometimes omit the on-the-floor perspective—the thousand small insights that come from fighting against batch deadlines or troubleshooting hard-to-find contaminants. We put that experience to work, refining techniques, staffing skilled chemists, and investing in next-generation analytical equipment. For buyers and formulators, technical transparency and continuous improvement aren’t just buzzwords, they’re the foundation of our business.

    Conclusion: Practical Benefits Built from Experience

    Manufacturing 2-Chloro-5-Fluoro-3,8-Dimethylquinoline brings together process rigor, collaborative feedback, and continual learning. Each batch represents the combined output of hands-on plant operators, methodical QA teams, and client-facing technical liaisons. Years of practice, multiple feedback loops, and keeping honest channels with end-users have shaped our product and processes.

    Whether a pharmaceutical chemist needs grams or a process plant scales up to barrels, they find confidence in the reliability and support built into every shipment. Working inside the chemical plant, from raw material checks to the packing floor, makes each success tangible and every challenge an opportunity to strengthen quality and trust for future generations of chemists.