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4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid

    • Product Name 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid
    • Alias 4-Hydroxy-6-(trifluoromethoxy)quinoline-3-carboxylic acid
    • Einecs 685-945-2
    • 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

    477755

    Chemicalname 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid
    Casnumber 110972-35-1
    Molecularformula C11H6F3NO4
    Molecularweight 273.17 g/mol
    Appearance Off-white to light yellow solid
    Meltingpoint 230-234 °C
    Solubility Slightly soluble in DMSO, insoluble in water
    Pubchemcid 121343
    Iupacname 4-hydroxy-6-(trifluoromethoxy)quinoline-3-carboxylic acid
    Synonyms 4-Hydroxy-6-(trifluoromethoxy)quinoline-3-carboxylic acid
    Smiles C1=CC2=C(C=N1)C(=C(C(=C2O)C(=O)O)OC(F)(F)F)
    Inchikey SQTKEQLHBQOXCJ-UHFFFAOYSA-N

    As an accredited 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, sealed HDPE bottle containing 10 grams of 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid; labeled with product and hazard information.
    Shipping 4-Hydroxy-6-(Trifluoromethoxy)quinoline-3-carboxylic acid is shipped in tightly sealed, chemical-resistant containers to prevent moisture and contamination. The package complies with all relevant transport regulations (DOT, IATA, IMDG) and includes appropriate hazard labeling. It is shipped with temperature and handling instructions, ensuring safe and secure transit to the designated laboratory or facility.
    Storage Store 4-Hydroxy-6-(Trifluoromethoxy)quinoline-3-carboxylic acid in a tightly sealed container, protected from moisture, light, and incompatible materials. Keep in a cool, dry, well-ventilated area, ideally at 2–8°C (refrigerated). Avoid exposure to strong acids, bases, and oxidizing agents. Ensure the storage area is clearly labeled and complies with local chemical safety regulations.
    Application of 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid

    Applications of 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid in Industrial Manufacturing

    As a specialist producer of 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid, we supply this compound to advanced formulation and synthesis sectors across key industrial routes. Below we outline its most significant downstream applications, focusing on operational compliance, formulation ratios, process entry points, and end use output under actual manufacturing practice.

    1. Pharmaceutical API Intermediate for Antimicrobial Agents

    This material serves as a crucial building block in the synthesis of advanced antimicrobial pharmaceutical active ingredients, specifically in fluoroquinolone drug research pipelines. Sourcing departments in pharmaceutical production use it as a starting intermediate in multi-step synthesis batches, valued for its electronically activated structure enabling selective coupling. Material purity and residual solvent levels must meet strict pharmacopeial registration criteria set for non-final-stage intermediates, and traceability is fully documented to support process validation runs in batch production campaigns.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • EU EMA requirements for API synthesis intermediates
    • US FDA cGMP 21 CFR Part 210 and 211 (as interpreted for intermediates by guidance)
    • Ph. Eur./USP/JP test method alignment for related substance and impurity control

    Typical usage ratio

    • 0.15–0.38 molar equivalents relative to downstream coupling reagent
    • Adjusted based on target fluoroquinolone derivative and desired yield optimization

    Downstream process integration

    • Introduced in step 2 or 3 of multistage batch synthesis
    • Dissolved or suspended in polar aprotic solvent blends under controlled temperature
    • Monitored for in-process purity by HPLC at endpoint

    Final product types

    • Quinolone-based antibiotics (e.g., new-generation fluoroquinolones)
    • Pharmaceutical regulatory submission samples
    • Active ingredient reference standards
    • Contract-manufactured API technical intermediates

    2. Agrochemical Intermediate for Herbicide Development

    In crop protection R&D, this compound acts as an intermediate in the synthesis of trifluoromethoxy-substituted heterocyclic herbicides. Agrochemical process chemists frequently incorporate it in the nucleophilic aromatic substitution (SNAr) sequence, maximizing target selectivity for grass and broadleaf weed control actives. Procurement compliance covers not only purity but also ecological risk screening concerning synthetic pathway by-products at the pilot plant or kilo-lab scale.

    Industry compliance standards

    • ISO 9001:2015 for raw material quality management in agrochemical development
    • OECD Guidelines for Testing of Chemicals (safety and fate data support)
    • REACH Regulation (EC) No 1907/2006 substance registration (where applicable)
    • FAO/WHO specifications for pesticide technical material contaminants

    Typical usage ratio

    • 7–13% by mole compared to other aromatic reactants in herbicide precursor synthesis
    • Adjusted for reaction selectivity, minimized waste by empirical lab optimization

    Downstream process integration

    • Charged into closed jacketed reactor under inert gas purge
    • Reaction parameters (pH, solvent, temperature) tightly controlled to prevent hydrolysis
    • Used during early-stage R&D and scale-up pilot lots

    Final product types

    • Trifluoromethoxyquinoline-based herbicide technical active ingredients
    • Formulated herbicide concentrates/granules
    • Herbicide reference analytical standards
    • Registered pesticide samples for field trial evaluation

    3. Specialty Chemical Precursor for OLED Material Synthesis

    This compound is employed by specialty electronic material manufacturers as a quinoline-based monomer in the synthesis of organic light-emitting diode (OLED) emitter and hole transport layer materials. Material control teams carefully monitor trace metal and halogen content, as any residual impurities or structural analogues can disrupt downstream device performance, display lifetime, or emission color fidelity.

    Industry compliance standards

    • ISO 9001 certified manufacturing system for electronic chemicals
    • IECQ QC 080000 (Hazardous Substance Process Management)
    • RoHS Directive (EU) 2011/65/EU for restricted substances
    • Customer-specific semiconductor purity protocols (ppb impurity levels)

    Typical usage ratio

    • 1–5 wt% in total precursor feed for emitting layer material synthesis
    • Ratio tuned to fine-tune OLED color emission and charge mobility

    Downstream process integration

    • Incorporated at solution-phase polymerization or cross-coupling step
    • Purified by sublimation or chromatography before film formation
    • Subjected to thin-film deposition in cleanroom environments

    Final product types

    • OLED emitter materials for display and lighting applications
    • Precision electronic grade thin films
    • Device-qualification OLED stack prototypes
    • Intellectual property-protected semiconductor building blocks

    4. Chemical Research Intermediate – Medicinal Chemistry Programs

    Academic and contract research organizations utilize this compound for medicinal chemistry programs as a core structure for synthesizing novel heterocyclic quinolines. Research teams precisely document its use for lead compound analog generation and structure-activity relationship (SAR) library expansion programs, particularly in the search for anti-infective, anti-inflammatory, or kinase inhibitory molecules.

    Industry compliance standards

    • Institutional approval for chemical safety and handling (e.g., Institutional Biosafety Committee protocols)
    • MSDS/SDS documentation in accordance with OSHA and EU CLP regulations
    • Purity documentation as per institutional analytical method SOPs
    • NIH or Horizon 2020 chemical procurement rules for funded projects

    Typical usage ratio

    • 0.05–0.25 mmol per reaction for hit-to-lead synthesis
    • Further scaled to 1–5 g per batch for SAR confirmation chemistry

    Downstream process integration

    • Used as initial condensation reactant or substitution partner
    • Processed in parallel synthesis or automated robotic synthesis workflow
    • Confirmed by LC-MS and NMR before downstream biological testing

    Final product types

    • SAR lead libraries (heterocyclic compound sets)
    • Screening tool compounds for therapeutic target validation
    • Patentable new chemical entities (NCEs)
    • Custom quinoline derivatives for further study

    5. Fine Chemical Intermediate for Fluorinated Polymer Additives

    Manufacturers of specialty fluorinated polymers and coatings employ this chemical as a high-value building block when synthesizing additive molecules for enhancing hydrophobicity and chemical resistance. The trifluoromethoxy functionality provides a strong electron-withdrawing group, enabling tailored surface and barrier properties in advanced end use coatings and engineered plastics.

    Industry compliance standards

    • ISO 14001 for environmental management in chemical production
    • GHS/REACH labeling and safety data sheet alignment
    • Customer-required trace impurity and off-gassing testing per ASTM E595
    • Compliance with downstream polymer or coating supplier specifications

    Typical usage ratio

    • 0.5–2 mol% relative to principal polymer backbone moiety
    • Amount determined by performance property targets of engineered product

    Downstream process integration

    • Reacted in step-growth polymerization or post-polymerization functionalization step
    • Frequently introduced in solution, with temperature and agitation monitored for uniform integration
    • Treated finished polymers processed into pellets or coating solution

    Final product types

    • Specialty fluorinated additive masterbatches
    • High-performance polymer films and foils
    • Engineered hydrophobic coatings for electronics and automotive
    • Barrier-enhanced packaging materials
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    Certification & Compliance
    More Introduction

    4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid: A Manufacturer’s Perspective

    Introduction to Our Process and Product

    Daily work in the synth lab revolves around keeping every detail consistent—from the way raw materials are stored to the last checks before shipping the finished compound. We don’t talk much about new molecules unless we’ve seen their behavior on scales that matter: reaction repeatability, control during purification steps, and how well the compound stands up to real-world handling throughout logistics. With 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid in particular, experience shows that keeping a close eye on temperature, moisture, and handling throughout all processing has a noticeable effect on final product appearance and purity.

    At its core, the compound brings together a quinoline ring with a trifluoromethoxy function and carboxylic acid group. This arrangement piqued interest long before requests began. Those same functional groups drive strong binding properties and chemical stability. Customers in pharmaceutical development noticed the difference when screening analogues—we saw more requests for multi-kilo lots and analytical support, not just samples for early-stage research.

    Batch Consistency: The Human and Technical Element

    Our experience with quinoline derivatives taught us not to cut corners. Subtle shifts in reaction time or pH, minor impurities in solvents, and even the slightest delays in workup produced marked shifts in assay and melting point. We tracked every parameter for months, compared batch records, and eventually determined the best setpoints for reaction and isolation. Analytical feedback shaped those procedures—customers noticed tighter consistency from batch to batch, which makes downstream development and regulatory work more straightforward for everyone.

    Reproducibility seems abstract until familiar voices call with questions about solubility or a faint yellow tint on their new delivery. The chemistry behind 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid resists some of the usual shortcuts. The trifluoromethoxy group increases chemical resilience but also influences crystallization, which forced us to revisit isolation protocols. Direct communication with process chemists from different countries sharpened our troubleshooting routines. Over time, issues such as batch-to-batch variation in color, particle size, and residual solvent levels came under control.

    Meeting Demands of Pharmaceutical and Chemical Research

    We heard early from discovery and process teams at large and midsize pharma about the practical uses for this compound. Teams comb chemical libraries for promising scaffolds, and this molecule draws attention for both its pharmacological properties and its robust structure. The hydroxy group at position 4 and the trifluoromethoxy at position 6 impact molecular recognition, solubility profiles, and metabolic fate—characteristics that translate into better selectivity or stability during lead optimization.

    Feedback cycles run both directions. Researchers require fast, thorough documentation—NMR, HPLC, and mass spec data must show little drift between lots, and regulatory filings expect complete impurity profiles. Our technical team stays engaged with format requests, whether it’s providing larger reference standards or creating supporting documentation for early-stage regulatory needs. Process details, including options for custom particle sizes or reprocessing, stem from hearing exactly where standard grades gave trouble in real-world tests.

    It’s easy to spot where this compound outshines similar quinoline carboxylic acids. The trifluoromethoxy group not only boosts chemical stability and alters electronic characteristics, it can influence how potential drug candidates interact with both biological targets and metabolizing enzymes. We’ve compared it head-to-head with fluorinated and non-fluorinated analogues at customer request, noting its better oxidative stability under forced degradation conditions.

    Our Production and Quality-Driven Mindset

    Every large batch begins long before raw material tanks are filled. We perform rigorous vendor qualification for each input. Moisture-sensitive components require special packaging, and QC confirms each lot before use. Sourcing is less about chasing the lowest price and more about fostering long-term supplier relationships. With this compound, we have found that even trace levels of metal contamination can lead to off-spec product—so process audit trails and thorough cleaning between productions stand as non-negotiables.

    Production scale matters as much as chemistry. Laboratory-scale syntheses published in journals rarely translate into plant operations without heavy modification. Batch reactors, distillation steps, and crystallization tanks work differently under constant agitation versus a bench-scale flask. Solvent recovery and hazardous waste minimization run parallel to quality assurance efforts. Each large-scale batch undergoes multiple rounds of in-process testing, including UV purity screens and moisture checks.

    Process operators, not just chemists, carry the weight in making sure delivery deadlines and quality standards mesh. A power outage or a faulty pump during a critical cooling step spells re-work or loss of days. Over time, we added layer upon layer of automation and monitoring, but nothing replaces the years of hands-on experience in troubleshooting when things run off-script. Some reject batches taught us valuable lessons about operating windows, while successful runs built confidence among both staff newcomers and seasoned supervisors.

    Handling, Storage, and Logistics Realities

    Shipping sensitive chemicals never turns into a simple box-checking exercise. The carboxylic acid function delivers certain handling cues: secure inner packaging, moisture-absorbing desiccants, and durable outer drums or bottles stay standard. Fluctuations between humid coastal transit and dry inland labs affect receipt experience. Several pharma partners asked about shelf-life and re-testing protocols. We measure the stability at different temperatures, keep reference samples for every lot shipped, and store backup inventory to respond rapidly in case a shipment meets customs difficulties, gets delayed, or arrives out of spec.

    Multiple customers rely on both air and sea shipments. We built contingency planning into our operations—running “rainy day” production runs, and keeping enough ready inventory to buffer unexpected demand spikes or port slowdowns. Freight forwarders, temperature monitors, and advanced tracking work in the background, but vigilance remains a shared priority. Years of working through logistical hiccups drive us to set up redundancies and training to handle tight delivery windows, export documentation updates, and material customs audits.

    For anyone scaling this product from milligrams to multi-kilo lots, safe and predictable behavior in storage and use draws a real line between successful trials and costly reruns. We’ve seen firsthand the impact of subpar packaging—caking, color change, or diminished purity can cost vital weeks for customer projects and force us to accelerate investigations into root causes. That’s a human and technical challenge that sticks with the team, motivating us to improve recordkeeping, archiving samples from every batch, and staying in close contact with downstream users.

    Environmental and Safety Responsibilities

    Within the plant, every new product triggers a review with the EHS team (Environmental, Health and Safety). In practice, that turns into operator training, triple-checking exhaust and scrubber systems, and wastewater disposal procedures. Our line of work involves balancing productivity with stewardship—reducing waste streams, reclaiming solvents where feasible, and ensuring that emissions meet all regional requirements. Documentation doesn’t just travel with shipments; it fills cabinets and cloud storage, available for inspection by regulatory authorities or supply chain partners at any time.

    We observed an uptick in questions from customers about “green chemistry” status and regulatory compliance. Not every molecule lends itself to using bio-based or low-impact feedstocks, but we take every chance to use safer reagents and containment. The trifluoromethoxy group represents a persistent challenge in degradation during waste treatment, so all waste streams from this synthesis pass through advanced treatment before discharge. Prompt reporting, regular audits, and ongoing staff education keep operations safe for both people and the communities around the operating facilities.

    The pursuit of quality matches the drive for environmental stewardship. Leadership visits every quarter to reinforce these cultural values—prompt reporting of spills or near-misses stands as a routine expectation. Our staff recognizes that each improvement, no matter how small, adds up over hundreds of batches and years of operation.

    Supporting Continued Innovation and Research Needs

    Every year brings new requests for product customization: special purity grades for early toxicology, differently sized lots for scaling campaigns, and additional analytical packages for specific advanced research protocols. We don’t view these as interruptions—they signal deeper collaboration. Several major pharma partners initiated joint troubleshooting routines, helping us identify micro-level issues with crystallinity and reactivity under unusual conditions. Shared technical reports paved the way for formulation innovations, and results built trust on both sides.

    The global research community continually pushes for better lead compounds, more efficient routes to active pharmaceutical ingredients, or analytical breakthroughs. Requests for 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid come from a wide spectrum: drug discovery, agricultural research, and specialty materials. We learned early that staying flexible, keeping records transparent, and providing quick turnaround on questions or issues sets our partners at ease—no two research teams approach the molecule the same way, but all benefit from fast, clear, and accurate support.

    Collaborative efforts led to real innovation—cross-checking HPLC methods between sites, introducing new test protocols for residuals, and sharing insights about physical form stability. Real-time feedback and a willingness to adapt shorthands and documentation enabled both our plant and customer labs to push forward on their timelines. Product improvements came not from theory, but through dialogue and real-world use, a cycle that continues to drive both our own people and R&D partners.

    What Sets Our 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid Apart

    Working directly with synthetic chemists and scale-up engineers taught the team where this product really makes a difference. Its chemical profile, derived from the unique arrangement of hydroxy and trifluoromethoxy functions, grants higher stability during both storage and application—features noticed quickly by research organizations seeking robust candidates for intense screening regimens. By benchmarking its stability and impurity drift side-by-side with non-fluorinated and mono-fluorinated analogues, the team directly measured improvements in both handling properties and downstream synthetic reliability.

    Customers point to purity, batch documentation, and logistical reliability as core differentiators in selecting a manufacturing partner. This extends far beyond the raw certificate of analysis. Questions about completeness of data, analytical methods, and even working with obscure pharmacopoeial requirements taught us to build depth into every part of the supply process. By holding inventory against rolling forecasts, supporting analytical transfer studies, and proactively preventing customs-related mishaps, we’ve eliminated the “black box” feeling that sets in when using distant or faceless suppliers.

    We keep production lines running year-round, using automated and manual controls at every point. That helps us meet customer schedules, but more importantly, it lets us keep scrupulous records and optimize gradually. Years spent nurturing supplier relationships for key building blocks pay off in reliability—missed deliveries or raw materials substituted at the last minute never go unnoticed, so we build time into schedules to double-check and resolve such issues before they affect the plant or customers.

    From an operator’s perspective, the safest and most consistent protocol always involves extra steps: tracing every batch forward and backward, storing parallel samples, and preparing for follow-up with customers’ analytical labs. Early notification and traceability save time and trust in the event of returns or technical questions. Our packaging choices reflect real-world observations, like ambient humidity’s impact on powder handling. Practically, that means double-bagging, moisture control pouches, and thicker outer drums. Over time, we learned from both mistakes and unexpected breakthroughs. This blend of vigilance, discipline on the plant floor, and understanding gained from customer partnership defines how our 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid stands apart in a crowded market.

    Looking Forward: Reliability and Partnership in Chemical Supply

    New research directions rarely move in a straight line. Ideas evolve, compound requirements shift, and failures in the lab often spawn better protocols or discoveries down the road. Our goal revolves around being the steady hand—ready with documentation, quick technical responses, and every ounce of experience gained over prior production cycles. We track the subtle cues that trigger a need for adjusted purity, special particle forms, or extra analytical detail, and respond before issues balloon into critical project roadblocks.

    Many years on the production side give perspective on what customers need, not just what they ask for on the paperwork. A reliable compound supply matters more than eye-catching specifications. Batch documentation, open communication, and proven experience count more as regulatory expectations keep tightening. Our “open door” culture across the production teams helps keep feedback flowing and ensures service lines up with batch-to-batch performance. That includes everything from prompt COA delivery to direct engagement with formulation questions or QA audits.

    Compounds like 4-Hydroxy-6-(Trifluoromethoxy)Quinoline-3-Carboxylic Acid form the link between the imagination of research chemists and the reality of commercial pharmaceutical development. Offering a well-documented, rigorously controlled, and thoughtfully handled product depends on sweat, teamwork, and plain good record-keeping. We prefer hands-on experience and accountability over lofty promises. That attitude carries forward as we continue refining process controls, innovating packaging solutions, and deepening collaborative support for R&D partners in pharmaceutical and specialty chemical research around the globe.