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5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde

    • Product Name 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde
    • Alias CNF
    • Einecs 629-725-6
    • 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

    789673

    Product Name 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde
    Cas Number 5402-58-6
    Molecular Formula C11H6ClNO4
    Molecular Weight 251.62
    Appearance Yellow solid
    Melting Point 177-180°C
    Purity Typically ≥98%
    Solubility Soluble in DMSO, sparingly soluble in water
    Storage Temperature Store at 2-8°C
    Smiles C1=CC(=C(N=C1C2=CC=C(O2)C=O)Cl)[N+](=O)[O-]
    Synonyms 5-(2-chloro-4-nitrophenyl)-2-furfural
    Ec Number 620-067-4
    Hazard Statements May cause skin and eye irritation

    As an accredited 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a sealed amber glass bottle containing 25g of 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde, clearly labeled.
    Shipping 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde should be shipped in tightly sealed, chemically compatible containers, clearly labeled according to hazardous materials regulations. The package must be protected from light, moisture, and physical damage, with appropriate documentation and handling instructions. Transport must comply with local, national, and international regulations for chemical substances.
    Storage Store **5-(2-Chloro-4-nitro-phenyl)-furan-2-carbaldehyde** in a tightly sealed container, away from light, heat, and sources of ignition. Keep in a cool, dry, and well-ventilated area, separate from incompatible substances such as strong oxidizers and reducing agents. Ensure proper labeling, and access should be restricted to trained personnel. Use appropriate secondary containment to prevent accidental release or spills.
    Application of 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde

    Applications of 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde in Industrial Manufacturing

    5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde serves as a key reactive intermediate across several fine chemical and specialty material sectors. We maintain close collaboration with downstream manufacturers to ensure strict adherence to process control, qualification, and formulation guidance requirements, with a focus on real-world end uses and compliance demands. Below are primary application fields anchored in ongoing industrial practices, with scenario-specific integration, regulatory, dosage, and finished product insights.

    1. Pharmaceutical Intermediate Synthesis (API Building Block)

    The compound acts as a prime aromatic aldehyde component in the multi-step synthesis of nitrofuran-based antibiotic APIs such as Furazolidone derivatives. Manufacturers utilize it for its high reactivity and specificity during molecular assembly of core heterocycles. Sourcing demands precise lot traceability and impurity profiling to align with stringent process chemistry and global pharmacopoeial standards.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP Part II for starting materials
    • USP-NF and EP monographs for final APIs
    • REACH (if exported to the EU)

    Typical usage ratio

    • Most synthetic routes utilize 0.85–1.20 molar equivalents relative to the secondary amine precursor. Excess of up to 10% is sometimes applied to achieve complete conversion in batch production.

    Downstream process integration

    • Introduced during the key condensation or cyclization phase after initiator block assembly in stepwise API synthesis. Monitored via HPLC/MS for conversion and byproduct minimization.

    Final product types

    • Nitrofuran-class APIs (e.g., Furazolidone intermediates)
    • Research-grade antibiotic scaffolds
    • Custom heterocyclic intermediates for clinical development

    2. Agrochemical Synthesis (Pesticide Intermediates)

    This aldehyde finds consistent application in the formation of agricultural active ingredients, especially as a precursor for constructing fused aromatic pesticide structures with controlled electronic profiles. Downstream processors demand tailored impurity containment to limit cross-contamination with other synthesis lines, along with precise documentation for regulatory registrations.

    Industry compliance standards

    • FAO/WHO Specifications for agricultural chemicals
    • ISO 9001:2015 certified process management
    • China National Standard GB 2763 for pesticide residue
    • OECD Principles of Good Laboratory Practice (GLP) for development batches

    Typical usage ratio

    • Standard condensation reactions incorporate 0.6–1.1 molar equivalents depending on target molecular scaffold. Exact ratio adjusts by downstream yield calculations and impurity control requirements.

    Downstream process integration

    • Fed directly into the aromatic ring closure or nitration steps for pyridyl-furan or phenyl-furan pesticide bases. Quality control focuses on trace nitrophenol detection.

    Final product types

    • Nitrofuran-derived insecticides
    • Furan-based fungicide intermediates
    • Herbicide active ingredient precursors

    3. Specialty Dye and Pigment Intermediate

    This molecule acts as a reactive handle for constructing specialty chromophore intermediates, particularly in producing high-performance, nitro- and chloro-substituted azo dyes. Production requires consistent purity and solvent residue control to meet textile and printing application demands.

    Industry compliance standards

    • EU REACH Annex XVII (Restrictions on dyes and pigments)
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • ISO 9001:2015 for process traceability

    Typical usage ratio

    • Integrated at 0.4–0.7 molar equivalents during initial diazotization, with ratio selection based on target color shade and lightfastness properties.

    Downstream process integration

    • Enters the diazo coupling unit process as a key substrate for constructing nitrophenyl-furan-based chromophores. Inter-stage purification ensures batch color consistency.

    Final product types

    • Nitrofuran-derived azo textile dyes
    • Specialty printing ink pigments
    • Electron-donor chromogenic dye intermediates

    4. Electronic Chemical Intermediate (OLED & Organic Semiconductor Precursors)

    High-purity grades of this aldehyde support synthesis of electron-deficient building blocks for OLED emitters and organic semiconductors. Device manufacturers specify extremely tight control of residual inorganic contaminants and water content, with all production executed in cleanroom or dry room conditions.

    Industry compliance standards

    • IPC-4101B for electronic grade base materials
    • ISO 14644 for cleanroom production
    • RoHS Directive 2011/65/EU (for finished devices in the EU market)

    Typical usage ratio

    • Normally dosed at 1.0 molar equivalent into Suzuki or Heck coupling schemes; precise ratioing managed by stoichiometry of the electron-acceptor component desired in polymer backbone construction.

    Downstream process integration

    • Charged into the high-temperature coupling reactor under inert atmosphere following pre-purification by distillation or recrystallization; residual metal screening performed ahead of final device fabrication step.

    Final product types

    • OLED emitter precursor intermediates
    • Electron-deficient small molecule semiconductors
    • Organic photoconductive layer building blocks

    5. Analytical Reagent and Laboratory Chemical Segment

    Research and QC laboratories source 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde as a functional aldehyde for analytical derivatization, impurity tracing in nitroaromatic screening, and as a substrate in synthetic method development. The key demands are documented lot histories and multi-grade availability for GLP and non-GLP workflows.

    Industry compliance standards

    • ISO/IEC 17025 laboratory quality management
    • OECD GLP for validated study workflows
    • Analytical Reagent (AR) and Laboratory Reagent (LR) grade specifications

    Typical usage ratio

    • Typical usage is as determined by protocol, often at 0.1–2.0 mmol per analytical batch, adjusted to detection sensitivity and derivatization efficiency.

    Downstream process integration

    • Applied in the reagent preparation or derivatization step for controlled laboratory syntheses, stability studies, or method validation procedures.

    Final product types

    • Analytical reference materials
    • Trace impurity derivatization reagents
    • Custom laboratory synthetic intermediates
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    Certification & Compliance
    More Introduction

    5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde: Quality and Consistency Direct from the Source

    Understanding the Role of This Specialty Intermediate

    Among the many fine chemicals developed in our facility, 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde holds a strict reputation for reliability within pharmaceutical and advanced material research. Over the past decade, shifts in local and global regulatory expectations have driven research groups and synthesis labs to look for compounds produced under direct oversight, with clear traceability and documented process control. Producing this intermediate ourselves means improving on often unreliable batch-to-batch results seen in the broader commercial market.

    In chemical manufacturing, knowing the route of synthesis matters. With this carbaldehyde derivative, our experience with controlled halogenation and selective nitration steps, followed by robust purification, sustains a product that research teams come back for repeatedly. The aldehyde group opens up so many downstream reactions, from Schiff base formation to cyclization and further aryl substitutions. Sophisticated drug discovery efforts regularly tap into its versatility, and the forward steps that depend on sensitive functional groups mean our process has to minimize impurities from the outset.

    As the entity responsible for every step of production, our team tracks not just the input materials but the energy profiles, waste management, and purity achieved at every checkpoint. With every delivery, we hear how common contaminants from “reseller lots” impede specialized syntheses, especially in heterocycle chemistry. By owning the process from raw material sourcing through to packaging, we can guarantee those traces remain far below even self-imposed thresholds, which reach beyond mainstream compendial standards.

    Product Model and Specifications Informed by Real-World Application

    Our typical production yields crystals with consistent pale yellow coloration arising from the nitro and chloro substituents on the aromatic ring. Our crystallization protocols avoid large aggregates and polymorphic variability, helping ensure uniform solubility and reactivity from batch to batch. Analytical testing relies not only on HPLC but also on NMR and mass spectrometry profiles, each cross-validated internally, to confirm we exceed 99% purity as a standard threshold. These controls reflect challenges seen in research settings, where minute impurities or inconsistent melting points waste valuable hours on unsuccessful reactions.

    By synthesizing in-house, we also avoid common issues like embedded solvents or unpredictable moisture content. Our experience shows that solvents lingering from rapid crystallization or careless drying complicate handling, sometimes compromising downstream reactions. Every batch faces water content assays and loss-on-drying measurements. Our samples routinely fall well below one percent residual solvent and water. Field researchers often highlight how this allows for easier weighing and direct use in sensitive steps such as reductive amination, without the need for pre-treatment.

    Dosing flexibility remains important for customized projects. We have learned through advising custom synthesis groups that providing both standard and micro-scale packaging makes a difference, especially in early-stage medicinal research. Avoiding cross-contamination between lots and maintaining a closed packaging loop shields the product from any environmental variability. Every bulk package and subdivided container emerges under nitrogen, preventing aldehyde oxidation during storage and transit.

    Usage in Drug Development and Materials Research

    Direct feedback from bench chemists informs our approach. In the pharmaceutical arena, this carbaldehyde acts as a pivotal starting block for the construction of new scaffold classes, including substituted furans and heteroaromatic frameworks. Because we maintain trace control of nitros and chlorinated byproducts, compound libraries built on our material show more uniform bioactivity, with fewer downstream rejections due to side contaminants.

    The pharmaceutical discovery pipeline may run unpredictable timelines, but reliable building blocks keep programs on track. Our academic and industrial partners count on high-conversion yields during condensation reactions and mild reductive aminations. The aldehyde function remains highly reactive while bearing two robust electron withdrawing groups, and our consistent crystallization means identical particle sizes for repeatability in automated or microfluidic dispensing.

    Materials chemists have reported unique utility for this carbaldehyde in creating functionalized polymers, fluorescent probes, and advanced organic semiconductors. The substitution pattern on the aromatic ring and the furan backbone facilitate distinct electronic properties and enable tuning for optoelectronic or detection devices. Consistent impurity profiles encourage reproducibility and rapid upscaling from pilot batches to kilo-lab preparation—something not always possible with low-volume lots from fragmented supply chains.

    For agrochemical R&D, we have seen this compound enable rapid screening of analogues bearing different functional group arrangements, as the furan scaffold offers a balance between reactivity and metabolic stability in early biological evaluation. Having single-source product continuity shortens lead time for hit optimization.

    Our Direct Manufacturing Experience—What Sets Us Apart

    As a manufacturer with decades of hands-on process chemistry under our belt, we've found that attention to each operation—starting reagent quality, temperature ramp control, thoughtful solvent exchange—determines the fate of every batch. For 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde, this means verifying source material purity, especially for the furan ring-forming step and the sensitive introduction of the aldehyde. We regularly collaborate with upstream suppliers of chlorinated and nitro aromatics, performing secondary qualification and in-house purity checks, because even trace side products in these inputs can lead to spurious discoloration or reduced reactivity under final steps.

    Genuine process knowledge in our plant means staff notice color, exotherms, and subtle changes in odor that signal minor impurities. These cues don't show up on spreadsheets or in sales brochures, and catching them early allows for intervention before a batch ever hits the analytical lab. We also draw on continuous feedback loops with our downstream users—both large pharma and smaller contract labs—to tune the final drying and packaging steps, reducing the risk of batch spoilage from atmospheric moisture or particulate contamination.

    Laboratory trials, pilot studies, and bulk productions all require slightly different specifications, whether in granule size, solvent-free certification, or custom labeling for GLP environments. Our familiarity with these needs means each batch and every packaged unit aligns with direct user preferences.

    Distinguished from Commodity or Reseller Products

    Laboratories that buy from traders or brokers often encounter inconsistent aroma, color, or melting behavior. These are not just aesthetic issues but indicators of embedded side products that may shift the course of a multistep research project. Single-source batches from our factory show consistent melting ranges, spectral identity, and absence of typical impurities noted in material from less controlled channels. Our customers often send back competitor samples, asking for our input or reanalysis, and we regularly identify unknown peaks by NMR or mass spec that render a claimed “high-purity” batch unusable.

    Our knowledge has grown from decades of talking directly with chemists dealing with failed syntheses or misdiagnosed problems arising from poor intermediate quality. This has taught us to assign internal stringent cutoff points for every assay, not resting on compendial minimums but pushing for what actually works in the real world of synthesis, not just in spec sheets. By controlling every step, from raw material intake through to finished, hermetically sealed vials, we realize full transparency. Customers know which lot produced which result, and our traceable process allows revisiting of every operation if even the mildest inconsistency arises.

    Customers avoid surprises because we do not operate as a third-party. There is accountability. Even minor deviations in crystallization marks or shifts in elemental or water analysis trigger rework or rejection before leaving the production floor. While many traders focus on quick turnover, our ethos prioritizes delivery of material fit for continuous, high-yield research, with every step documented not to satisfy paperwork but to drive repeatable success.

    Addressing the Challenges of Sustainable and Safe Production

    Safety remains at the core of manufacturing halogenated nitro intermediates. It is no simple feat to manage potentially hazardous reagents or to maintain high selectivity without risking environmental emissions or operator exposure. We have put in recirculating scrubbers, temperature-verified reactors, and closed transfer processes, not only to meet increasing regulatory benchmarks but to ensure every person in our plant returns home safely. Our emissions levels remain below the thresholds published by local and international authorities and are audited regularly by third-party inspectors.

    Solvent recycling, energy-efficient distillation, and responsible waste management have grown out of hard lessons learned in the transition from kilo-lab to full metric-ton capacity. Beyond simple compliance, our site reviews historical incidents elsewhere and applies every safety upgrade that brings value. Every safety data sheet read by an end user packs the knowledge distilled from years of practical mishap avoidance, minimizing harm during scale-up, reaction, or final handling.

    Our engineering team champions new chillers and alternative solvents to further cut energy waste, while process chemists tweak reaction times to maximize yield with the smallest possible environmental footprint. As standards evolve, we revisit every work-up step for improvement opportunities, often running side-by-side comparative tests to see if an alternate drying, filtration, or purification pathway truly enhances quality or just adds unnecessary cost.

    Continuous Improvement through Feedback and Data

    Routine check-ins with our industry and academic partners direct our workflow every quarter. Many process improvements have come from phone calls, emails, and lab visits with chemists running into bottlenecks or unexpected reaction paths. Recently, our focus on fine-tuning purification, prompted by an uptick in environmental monitoring for nitroaromatic residues, led us to test a new solvent pairing that now shortens the post-crystallization drying phase by several hours without sacrificing product integrity.

    Recordkeeping often gets a bad reputation as bureaucratic overhead, but integrated data capture with our in-house LIMS has provided insight into long-term product performance. Pulling results from five years ago, we can pinpoint plant tweaks correlating with better NMR sharpness or tighter melting point ranges. Each time we discover a pattern—be it a seasonal shift in raw material moisture content or a particular lot number correlated with better downstream condensation efficiency—we use it to drive direct process change.

    End-user feedback cuts through theoretical improvements. We track reported yields, reaction purity, and even typical stabilities from a wide pool of users, folding that data back into our batch records. Sometimes the most valuable lessons come from a failed run hundreds of miles away or from a researcher who tries our material in a novel context and shares unexpected findings. We treat every point of feedback as a call for further review, never assuming our plant’s procedures cannot be improved.

    Implications for the Future of Specialty Chemical Manufacturing

    As markets for specialty reagents mature, trust in supply chain transparency and production know-how will increasingly separate professional-grade sources from the rest. Customers facing pressure from regulatory agencies, mounting research costs, and tight timelines depend on suppliers that run their own reactors, not just paperwork shufflers. By keeping production under our own roof and sharing every relevant processing detail—from lot history to operator notes and microanalysis spectra—we contribute to a research environment grounded in reliability, not just cost minimization.

    Researchers develop more sophisticated molecules every year, demanding likewise advances in precursor quality. With every novel drug candidate or next-generation conductive material, the margin for error shrinks. The foundational chemicals must allow scientists to focus on discovery, not on troubleshooting unpredictably sourced intermediates. Our direct manufacturing experience and continual, detail-oriented oversight set a benchmark, from first grams to metric tons. The most cost-efficient solution often emerges not from shortcutting steps, but from building a product that performs right through demanding, innovative transformations.

    Commitment to User Success: Where Direct Manufacturing Delivers

    Our journey with 5-(2-Chloro-4-Nitro-Phenyl)-Furan-2-Carbaldehyde reflects hundreds of small improvements and close working relationships with lab chemists, engineers, and regulatory teams. What emerges is a product that stands apart for its reliability in both startup syntheses and long-term manufacturing ramps. Each production run fuses the accumulated experience of plant staff, the careful vetting of starting materials, and a readiness to address oddities before they ever challenge our users.

    Through direct engagement with researchers and technicians worldwide, we continue to adapt each facet of our production—following trends, reacting to feedback, and never hesitating to change old steps when meaningful improvements are found. By confronting every issue encountered in real laboratories and treating success as a shared outcome, we aim to provide more than an intermediate. We commit to providing a dependable partner along the research pipeline, grounded in firsthand manufacturing competence and practiced, real-world quality control.