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5-Hydroxy-7-Methoxyflavone

    • Product Name 5-Hydroxy-7-Methoxyflavone
    • Alias Nobiletin
    • Einecs 225-703-0
    • 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
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    Specifications

    HS Code

    281478

    Chemical Name 5-Hydroxy-7-Methoxyflavone
    Molecular Formula C16H12O4
    Molecular Weight 268.27 g/mol
    Iupac Name 5-hydroxy-7-methoxy-2-phenyl-4H-chromen-4-one
    Cas Number 491-86-1
    Appearance Yellow crystalline powder
    Melting Point 134-136°C
    Solubility Slightly soluble in water; soluble in ethanol, DMSO
    Pubchem Cid 5280664
    Structure Type Flavone (flavonoid subclass)

    As an accredited 5-Hydroxy-7-Methoxyflavone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 5-Hydroxy-7-Methoxyflavone, 1g, is supplied in a sealed amber glass vial with a tamper-evident cap and clear labeling.
    Shipping 5-Hydroxy-7-Methoxyflavone is shipped in secure, airtight containers to prevent contamination and degradation. Packages comply with regulatory guidelines for handling chemicals, with clear labeling and documentation. Appropriate protective materials and temperature controls are used if required, ensuring safe transit to the destination while minimizing exposure to light and moisture.
    Storage 5-Hydroxy-7-Methoxyflavone should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at 2–8°C (refrigerator). Ensure the storage area is free from incompatible substances and clearly labeled. Avoid excessive heat and direct sunlight to maintain the compound’s stability and purity.
    Application of 5-Hydroxy-7-Methoxyflavone

    Applications of 5-Hydroxy-7-Methoxyflavone in Industrial Manufacturing

    As a direct manufacturer of 5-Hydroxy-7-Methoxyflavone, we supply to diverse industrial sectors demanding precision in formulation and consistent quality for finished goods production. The downstream industries outlined below represent primary commercial application fields, each with distinct process requirements, compliance frameworks, and end product outputs.

    1. Pharmaceutical Intermediates for Anti-Inflammatory Drug Synthesis

    Pharmaceutical companies integrate 5-Hydroxy-7-Methoxyflavone during synthetic steps to develop active intermediates targeting inflammatory disorders. The material participates in specific stages of multi-step organic synthesis, requiring detailed process validation and traceability for quality control. Its purity and consistent form directly affect reaction yield, byproduct profile, and the pharmacological selectivity of the target molecule.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) guidelines for API intermediates
    • European Pharmacopoeia (Ph. Eur.) monographs for synthetic intermediates
    • FDA 21 CFR Part 210/211 for record keeping and process control

    Typical usage ratio

    • 0.8–2.5% w/w relative to reaction mass; exact ratio depends on targeted intermediate, reaction solvent, and catalyst loading.

    Downstream process integration

    • Charged during amidation or cyclization reactions under inert atmosphere
    • Dissolved in organic solvents or aqueous buffers as dictated by process route
    • Followed by HPLC-based monitoring for complete conversion
    • QC sampling at each stage for purity and residual solvent analysis

    Final product types

    • Semi-synthetic anti-inflammatory API intermediates
    • Bulk pharmaceutical ingredients after further functionalization
    • Reference compounds for pharmacological research
    • Prodrug molecules for advanced formulation studies

    2. Plant Extract-Based Nutraceutical Formulations

    Manufacturers of botanical nutraceuticals employ 5-Hydroxy-7-Methoxyflavone for fortifying extracts standardized for flavonoid content. The material provides well-defined physiological support in pro-health capsule and tablet products. Its precise integration, batch-to-batch uniformity, and natural origin labeling support regulatory compliance, consumer trust, and effective marketing in global markets.

    Industry compliance standards

    • Good Manufacturing Practice (GMP) for foods and dietary supplements (21 CFR Part 111)
    • U.S. Dietary Supplement Health and Education Act (DSHEA)
    • EU Regulation (EC) No 1924/2006 on nutrition and health claims
    • China Food and Drug Administration (CFDA) standards for health foods

    Typical usage ratio

    • 0.1–1.0% w/w in extract blends; adjusted based on target daily intake, regulatory claims, and matrix compatibility.

    Downstream process integration

    • Dry mixing or wet granulation with herbal extracts
    • Encapsulation or tableting coupled with direct compression aid additives
    • Particle size control for finished product flowability
    • Post-processing labeling and stability testing

    Final product types

    • Standardized flavonoid capsules
    • Botanical powder-filled sachets
    • Tablet-based herbal supplements
    • Functional beverage premixes

    3. Cosmetic Actives for Skin Brightening Products

    Cosmetic manufacturers utilize 5-Hydroxy-7-Methoxyflavone as a polyphenolic active to support skin tone evening in leave-on and rinse-off formulations. Regulatory compliance, micro-dispersion processing, and emulsion stability control are essential from raw input to final QC-tested product. Selection of concentration and delivery system aligns with region-specific standards for cosmetic actives and safety testing protocols.

    Industry compliance standards

    • EU Cosmetics Regulation (EC) No. 1223/2009
    • China Regulation on the Supervision and Administration of Cosmetics (CSAR)
    • US FDA Voluntary Cosmetic Registration Program (VCRP)
    • ISO 22716 Cosmetics Good Manufacturing Practices

    Typical usage ratio

    • 0.01–0.3% w/w in creams and serums; selection considers skin tolerance studies and in vitro performance data.

    Downstream process integration

    • Introduced during oil or aqueous phase preparation for emulsified products
    • High-shear mixing to ensure homogeneous distribution
    • Combined with UV filters, antioxidants, or hydration agents as needed
    • Ends with microbiological challenge testing and accelerated shelf-life trials

    Final product types

    • Skin brightening face creams
    • Serums targeting hyperpigmentation
    • Whitening sheet masks
    • Specialty anti-aging lotions

    4. Analytical Reference Material in Natural Product Laboratories

    Reference laboratories and quality control centers employ high-purity 5-Hydroxy-7-Methoxyflavone as a calibration standard for chromatographic assay and identification protocols. Use in HPLC, LC-MS, and NMR confirms trace level compound identity, purity, and concentration. This grade demands rigorous documentation, purity validation, and compliance with standard reference material (SRM) requirements.

    Industry compliance standards

    • ISO/IEC 17025 testing laboratory accreditation
    • USP general chapter <1226> for verification of compendial procedures
    • OECD Guidelines on Good Laboratory Practice (GLP)
    • U.S. Pharmacopeia Reference Standards program

    Typical usage ratio

    • 0.5–10 μg/mL in mobile phase or solvent; precise dilution according to required detection limit of the analytical method.

    Downstream process integration

    • Preparation of calibration curves for HPLC or LC-MS assays
    • Spike-in controls for extraction and recovery studies
    • Batch qualification of plant extract analytical lots
    • Archival in stability chambers for method validation batches

    Final product types

    • Certified analytical reference standards
    • Lab-issued assay quality controls
    • Research reagent kits
    • Analytical proficiency test samples

    5. Functional Food Ingredient for Flavonoid-Enriched Beverages

    Food processing companies add 5-Hydroxy-7-Methoxyflavone to functional beverage lines, aiming to achieve targeted polyphenol concentrations and meet regional fortification regulations. Ingredient stability through thermal processing, solubility in complex beverage matrices, and transparent documentation on ingredient sourcing are critical for successful commercialization and repeat audits. Final product quality depends on precise dosage and blend uniformity across pilot and full-scale runs.

    Industry compliance standards

    • Codex Alimentarius General Standard for Food Additives (GSFA)
    • U.S. FDA 21 CFR § 172 for food ingredient safety
    • EU Regulation (EC) No 1333/2008 on food additives
    • Relevant national food safety standards (e.g., GB 2760 in China)

    Typical usage ratio

    • 5–50 mg per 250 mL serving; final dosage determined by permissible flavonoid level, beverage pH, and local regulatory threshold.

    Downstream process integration

    • Dissolved into aqueous base during batch mixing
    • Thermal holding or pasteurization monitoring for stability
    • Homogenization for uniform distribution throughout product lot
    • Routine in-process QC for flavonoid retention after fill-finish

    Final product types

    • Flavonoid-enriched health drinks
    • Nutritional fortified waters
    • Ready-to-drink herbal beverages
    • Instant beverage powder sachets
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    Certification & Compliance
    More Introduction

    5-Hydroxy-7-Methoxyflavone: Our Perspective as a Chemical Manufacturer

    Introduction to 5-Hydroxy-7-Methoxyflavone

    In our many years of manufacturing, we have found that 5-Hydroxy-7-Methoxyflavone stands out as a key flavonoid derivative in both research and production contexts. The product, best recognized for its distinct molecular arrangement and reliable purity, supports advanced work in pharmaceutical, nutraceutical, and specialty chemical applications. Our production process centers on maintaining the integrity of each batch, relying on strict in-house quality standards developed through years of chemical manufacturing experience.

    Product Model and Specifications

    This compound appears as a pale-yellow crystalline powder. We standardize the product to deliver a purity above 98% (by HPLC), with moisture content consistently held below established thresholds. Lab teams test for melting point, residue on ignition, heavy metal content, and chiral purity. The chemical formula (C16H12O5) and molecular weight (284.26 g/mol) confirm identity and aid in downstream application work. We package starting from gram-level samples up to commercial-scale drums, as our clients in research and manufacturing fields often shift quickly from pilot studies to full runs.

    From Small Volumes to Industrial-Scale Batches

    Our operational history covers thousands of kilograms of flavonoid derivatives, and every lot of 5-Hydroxy-7-Methoxyflavone stems from scalable, proven routes. We have tuned the industrial process so scaling up from bench work to larger reactors does not cause the variation seen in less controlled facilities. Our technicians monitor every parameter: temperature, pH, solvent quality, and intermediate purity throughout all stages, not just at the finished stage. We follow this workflow to answer the needs of established companies and research groups alike.

    Distinct Advantages Over Other Flavones

    We focus on the subtle differences that set 5-Hydroxy-7-Methoxyflavone apart from structurally similar flavones. The presence of both the hydroxy group at position 5 and the methoxy group at position 7 influences solubility, reactivity, and downstream formulation behavior. Chemists in pharmaceutical labs report better compatibility for this compound in certain lead compound libraries, pinpointing the methyl ether as the property-changing lever. From a synthesis perspective, this dual substitution can decrease side-product formation, which means our purification teams can achieve greater reliability and throughput with less solvent and fewer processing cycles.

    Common and Emerging Applications

    Our main users include pharmaceutical companies and university groups working in pharmacology, as this flavonoid’s backbone supports drug discovery in anti-inflammatory, antioxidant, and neuroprotective project tracks. Specific research has explored analogs of 5-Hydroxy-7-Methoxyflavone as leads for metabolic and cardiovascular applications. We have produced project-sized lots for teams studying its modulation of enzyme targets. Outside pharmaceuticals, formulators in natural product chemistry turn to this compound for its plant-based origin and reproducible chemical fingerprint, which simplifies tracking in both raw material and finished goods quality assurance.

    Production Route: Experience and Continuous Improvement

    Our chemists began by refining extraction-based production, improving isolation yields from plant materials. As supply demand grew, we invested in total synthesis, eliminating seasonal and agronomic variation. The synthetic approach allows us to sidestep batch-to-batch inconsistency and support advanced modifications. Improvements in solvent recovery and cycle times come directly from hands-on manufacturing feedback, not abstract environmental targets. These changes reflect the practical lessons our engineers have learned by analyzing yield losses and scrutinizing root causes at each unit operation—from the reactor to finished material. Our chemists interact with production-day realities, not just theoretical reaction yields. This approach shortens learning curves and helps us troubleshoot harder process problems that arise only on scale.

    Handling, Storage, and Stability: Lessons Learned on the Shop Floor

    Extensive handling of 5-Hydroxy-7-Methoxyflavone, over hundreds of production runs, shows the compound retains structural integrity in ambient, low-humidity conditions. That said, we move material quickly after synthesis, knowing that limiting exposure to atmospheric moisture keeps downstream drying needs low. Our advice to users comes not from a generic data sheet but from years of watching which conditions leave product unchanged, and which ones do not. Our team observed that five degrees of ambient storage temperature above normal can double the rate at which some flavones lose purity, which is why we never leave material on dock storage for long. We have improved our facilities to keep this sensitive compound well protected, especially between processes and at final packing.

    Comparing to Other Plant Flavonoids

    Teams often ask how this flavone compares to related structures like chrysin, apigenin, or diosmetin. From our synthesis lines, the dual substitution pattern makes 5-Hydroxy-7-Methoxyflavone easier to purify than broad-matrix natural blends. Unlike simple flavones, this compound’s methoxy group blocks unwanted oxidation during isolation steps, so our finished product shows lower levels of colored byproducts. This chemical feature shapes its reputation as a reliable research-grade molecule. On the other hand, structurally similar flavones lacking either the 5-hydroxy or 7-methoxy group tend to show more breakdown during scale-up, which complicates both QC and long-term warehousing. We set up our process to minimize these issues, knowing exactly where other structures falter.

    Feedback from Industry and Academia

    The clearest signal comes from repeat projects. Several pharmaceutical groups who switched from generic bulk flavone grades to our batches instantly reported more consistent results in their bioassays. Our university clients cite spectral purity and freedom from processing residues as a key edge. Feedback points to lower variance, higher signal-to-noise in bioactivity screens, and a lack of peak-splitting impurities, especially in NMR. We listen carefully to every complaint. An example from 2019 forced us to overhaul our grinding equipment after a university customer flagged unexpected iron contamination which traced back to a faulty mechanical seal. Our regular product audits now include not just classic analytics, but also trace metals and volatiles picked up on our own equipment lines.

    Why Consistent Chemistry Matters

    There is a persistent myth that all flavones behave the same way during use. Our experience counters this. We have seen how a few ppm difference in moisture, or one extra pass in a drier, can tip the scale from a successful batch to an out-of-specification result for our customers. In-house studies compare identically sourced 5-Hydroxy-7-Methoxyflavone from several manufacturers. Our results show stability and observation of fewer decomposition products, especially under real-world storage and handling. This meeting of experienced production hands and informed R&D improves reliability for formulators who stake entire projects on true-to-label raw material.

    Scaling Up: What It Really Takes

    Plant managers, chemists, and QC staff need hands-on procedures that work at 50 kg and 5000 kg scale, not just at lab beaker scale. Scaling often magnifies small problems: heat transfer, trace metals, and subtle pH shifts. By tuning our batch parameters over multiple years, we reached the point where yield, particle size, and filterability stay within narrow windows no matter the lot size. Every change triggers an evaluation for downstream effects. We have invested in data logging, batch reporting, and continuous improvement meetings. These practices, more than slogans or certifications, shape our process discipline.

    Customer Needs and Conversations

    Discussions with project teams often start with “What problem did you have with your current supplier?” Most cases trace back to variable impurity profiles or unanticipated solubility. We offer routine impurity mapping and batch documentation layered with full spectra, because our team knows this reduces time lost in customer method development. We view ourselves as more than a source for material—we participate in the entire workflow, proposing solution routes when users encounter solubility hiccups or formulation drift. Direct lines of communication with production chemists, not just sales staff, shortens time-to-troubleshooting.

    Fine-Tuning the Formulation

    Many applications benefit when chemists can rely on granular performance data. We document thermal behavior, reconstitution limits, and solvent compatibility through both in-lab and plant-based trials. Our process chemists have run side-by-side crystallizations with different excipients, noting real-world changes in flowability or filter clogging. We adjust not just for what looks good on paper, but for what works on the line. This foot-on-the-floor approach means our clients avoid slow rework cycles.

    Learning from Downstream Users

    Sometimes we are the first to discover handling quirks before they turn into real-world trouble. Through open reporting and feedback logs, we flagged polymorphic forms that impact dissolution speeds. We passed this know-how directly to formulators, streamlining their own development timelines. Our network of pilot-lot users brings back not just “go/no-go” results but full performance data, helping us tune solutions for tomorrow’s project runs.

    Quality Assurance: More Than Paperwork

    We run every lot through in-process controls, timely analysis, and after-action checks. That includes parallel chromatography, multi-solvent NMR, and trace-element scans. We calibrate our instrumentation quarterly and archive timestamped spectra for five years or more, a practice informed by actual regulatory requests during audits. On-site retention samples serve as a hard backup in case any issue reappears months after shipment. Our analytical team trains on both new and legacy methods, preserving technique continuity across staff generations.

    Facing Challenges and Proposing Solutions

    Supplying 5-Hydroxy-7-Methoxyflavone worldwide brings unpredictable regulatory, shipping, and custom clearance hurdles. We work against port delays and shifting customs codes with deep experience from our documentation team, often adding pre-approval records or compliance statements in advance of new law changes. On the sourcing side, we monitor global funnel points for intermediate materials to hedge against supply chain shocks. Facing requests for ever-lower impurity levels, we invested in closed-loop solvent recovery and filtration upgrades, moving beyond what current standards dictate. We use these measures not just for compliance but to future-proof quality as expectations ratchet higher.

    Everyone Relies on True-To-Label Chemistry

    Our industry values honesty about what goes into every drum and bottle. Skimping on purity or substituting cheaper precursors rarely pays off—everyone downstream notices cut corners, sometimes years after the fact. We commit to full traceability, from each raw material lot forward. Our records link every batch chronologically, not just by grade or code, so users get the story of each shipment. Everyone in our plant—from lab technologist to forklift operator—knows that trust travels both directions. We built this culture from problem-solving amid real production, not from a marketing plan.

    Supporting the Next Wave of Applications

    User demand continues to rise for precisely formulated ingredients. Teams in life science, agrotechnology, and nutritional science want certified performance, not just a certificate of analysis. We collaborate routinely with innovation teams testing 5-Hydroxy-7-Methoxyflavone in controlled-release matrices, combination therapies, and diagnostic reagents. Our development chemists exchange early data, vetting product fit before it arrives in a new trial or formulator’s hands. Keys to these partnerships have been open data, willingness to fine-tune process variables, and fast regulatory support through clear documentation.

    Looking Forward: Sustainability and Responsibility

    Our approach balances daily operational efficiency with long-range goals. We recover solvents, recycle water, and design process improvements that cut losses on every run. Years of experience showed us which “green promises” work practically and which do not. By focusing on yield efficiency, energy conservation, and reduced byproduct loads, we build choices into our process where sustainability drives both cost and performance gains. New hires train side-by-side with senior operators, learning both the details and the big-picture impact of each improvement.

    Why We Are Selective in Our Commitments

    We limit new product rollouts to compounds we can scale without compromise. This philosophy traces back to our roots solving tough technical problems. Each production team has veto rights on commercializing new molecules that fail internal robustness checks. This selectivity meant we sometimes turn down projects where route quality or precursor availability do not meet high-frequency supply expectations. In those cases, we refer qualified users to alternative solutions. Our brand depends on never promising material we cannot deliver at scale and purity with full traceability.

    Culture of Transparency and Learning

    Feedback—positive or negative—shapes our process. Manufacturing teams learn from every complaint and audit, updating process steps where repeat issues crop up. We invest in detailed failure analyses and host weekly improvement sessions, using actual production data rather than canned statistics. Our knowledge base keeps growing, and every batch sent to a client builds on hard-won lessons from years past. The goal is not perfection but continuous learning: every production cycle delivers new insights for both our team and our customers.

    In Closing: Our Commitment to Proven Chemistry

    5-Hydroxy-7-Methoxyflavone continues attracting chemists, researchers, and product developers because it bridges stability, reliability, and usability in modern synthesis and formulation challenges. Our commitment to production detail, user collaboration, and problem-solving defines our place in the chemical manufacturing landscape. Years in this business taught us that the best chemistry comes from proven routes, honest reporting, and open exchange between producer and user. The value of this product does not rest merely on its CAS number or purity alone, but on the chain of care, experience, and technical rigor brought to every batch. This foundation supports not just better research, but the trust that carries every project forward.