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HS Code |
462460 |
| Cas Number | 1899-41-2 |
| Molecular Formula | C19H18O7 |
| Molecular Weight | 358.34 |
| Iupac Name | 3',4',5,7-Tetramethoxyflavone |
| Synonyms | Tetramethylscutellarein, Tetramethylscutellarin |
| Appearance | Yellow crystalline powder |
| Melting Point | 183-185 °C |
| Solubility | Soluble in DMSO, ethanol, and methanol |
| Purity | Typically ≥98% |
| Chemical Class | Flavone |
As an accredited 3',4',5,7-Tetramethoxyflavone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging contains 1 gram of 3',4',5,7-Tetramethoxyflavone in a sealed amber glass vial with a tamper-evident cap. |
| Shipping | 3',4',5,7-Tetramethoxyflavone is shipped in a tightly sealed container, protected from light and moisture. The package complies with chemical safety regulations, includes appropriate labeling, and may require temperature control depending on storage recommendations. Shipping documentation accompanies the product to ensure safe and legal transportation to the designated destination. |
| Storage | 3',4',5,7-Tetramethoxyflavone should be stored in a tightly closed container, protected from light and moisture. Keep at room temperature, ideally between 2–8°C (refrigerated) for long-term storage. Avoid exposure to heat, direct sunlight, and oxidizing agents. Store in a cool, dry, well-ventilated area, and ensure the container is clearly labeled and secure to prevent contamination. |
Applications of 3',4',5,7-Tetramethoxyflavone in Industrial ManufacturingAs a dedicated manufacturer supplying high-purity 3',4',5,7-Tetramethoxyflavone at scale, we support formulation-driven customers across tightly regulated downstream fields. This material is valued for its complex flavonoid backbone and exceptional stability, enabling precision chemical solutions where traceability, compliance, and reproducibility are mandatory. Below, we detail specific application scenarios with process, compliance, and dosage guidance relevant to established industrial production systems. 1. Botanical Active Ingredient for Medicinal APIsProducers of phytochemical-based active pharmaceutical ingredients integrate this compound to meet the demand for high-purity flavonoids in finished drug substances. Manufacturers typically use it as a reference compound, marker ingredient, or direct active in botanical extracts, targeting pharmaceutical formulations that rely on quantitative standardization for therapeutic consistency. Industry compliance standards
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2. Functional Cosmetic Ingredient for Skin Brighthening FormulationsCosmetic active suppliers and ODM/OEM cosmetic manufacturers harness the antioxidant and skin-tone modulation features of this flavone. Typical applications focus on high-transparency or clear formulations, such as serums and ampoules, where stability under UV and long shelf-life are mandatory for global market export products. Industry compliance standards
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3. Analytical Standard for Quality Control LaboratoriesReference material suppliers and pharmaceutical quality control laboratories use this compound as an analytical reference to accurately quantify related flavonoids and metabolites in complex herbal matrices. High spectral resolution and consistent purity support its use in pharmacopoeial monograph development, calibration, and routine batch release testing. Industry compliance standards
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4. Bioactive Intermediate for Proprietary Nutraceutical BlendsDietary supplement formulators and nutraceutical companies formulate with this tetramethoxyflavone to enrich the bioflavonoid profile of high-value blends aimed at metabolic and antioxidant claims. Consigned batches are typically microencapsulated or co-spray-dried to maximize dispersibility and maintain functional dose in final supplement matrices. Industry compliance standards
Typical usage ratio
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Over years of developing and refining flavonoid compounds at scale, we've come to know 3',4',5,7-tetramethoxyflavone not just as a code in a catalog, but as the culmination of precise chemistry and hard-won process knowhow. Its structure carries four methoxy groups placed on the flavone backbone—at the third, fourth, fifth on the phenyl and the seventh on the benzopyrone ring. This specific arrangement sets the stage for unique properties and performance in every batch we craft.
Every kilo of this molecule reflects a commitment to purity, reproducibility, and responsibility. Other disciplines sometimes overlook that factory floors are where consistency proves its mettle. Producing 3',4',5,7-tetramethoxyflavone means paying attention every day: monitoring the degree of methylation, checking for remaining hydroxy groups, scanning for color, solubility, odor, and minute physical details. More than reagents and reactors, reliable product comes from relentless focus on clean handling, controlled environment, and carefully trained hands. Small deviations in conditions or a misstep can mean an extra impurity, irregular yield, or even failed performance. We see these outcomes before anyone downstream, and we treat each step with the respect born from seeing both the good and the preventable.
Not all flavones deliver the same, and small manufacturing choices bear big consequences. Whether the intended use is as a reference standard, precursor, or a bioactivity probe, even minor shifts in product quality can affect outcomes. Technicians here know that batch-to-batch purity above 98% is not a claim, but a recurring demonstration of diligence. Chromatography equipment reads profiles with spit–every bump reveals a story about the preceding steps. Some customers seek extra-deep analysis or protocols that answer site-specific needs. The team always stands ready to tailor reports, while the underlying molecule comes from the effort to remove every trace of process solvent or related substances.
3',4',5,7-tetramethoxyflavone holds its place in the chemical arena not because of appeals to trend, but by directly answering research needs. Its high methoxylation often leads to better membrane permeability over polyhydroxyflavones, opening doors to analytical and bioanalytical uses. Our experience shows demand for this compound from labs working to isolate active flavones in plants, from pharmaceutical researchers crafting reference libraries, and from those exploring its absorption, metabolism, and potential interactions.
Unlike more polar relatives, this compound’s low water solubility and resistance to oxidation present handling advantages and storage stability. Manufacturing at our scale means consistently managing these aspects. Extra methoxy groups mean less susceptibility to degradation during storage or transport, provided containers remain sealed and exposed to minimal moisture. Over the years we’ve fine-tuned packaging and supply chain steps to ensure researchers get what they order, in the state they expect.
Those reading a data sheet rarely see the work behind specifications. For this molecule, a proper product isn’t just a number on the certificate. It’s a pale yellow crystalline powder, a distinctive appearance that signals clean synthesis and proper isolation. Each batch runs through spectroscopic analysis—NMR, HPLC, mass spectrometry—not because it’s required, but because we want to spot even improbable mistakes. That means no broad signals from residual solvents, no ghost peaks that shouldn’t belong, no lingering reactants.
We grant that buyers worry about contaminants or lot variability; so do we. Many products in the market skip analysis or market muddy, off-white powders with broad melting points. From our floor, only sharp, well-characterized crystals make the cut. If the batch doesn’t match last month’s, it doesn’t leave the floor until it does.
Years of hands-on work reinforce a key point: not every flavone behaves the same way. 3',4',5,7-tetramethoxyflavone stands apart from the simple hydroxylated types by its methylated groups. These improve stability and shelf-life—critical for those operating in humid or variable environments. Researchers often tell us that our product’s resistance to browning or clumping lets them avoid repeated purchases and unnecessary waste.
Other substitutions, even a single hydroxy exchanged for a methoxy, change physical and chemical properties—solubility profiles, reactivity, and chromatographic behavior. As we see it, buying tetramethoxyflavone is not choosing from a menu of lookalikes, but making an active research decision. Those running comparisons with baicalein, quercetin, or kaempferol see right away how those molecules degrade or handle poorly under certain conditions, while this compound remains rugged and predictable. Every time we explain this to a customer, we’re speaking from months spent watching what goes right and what goes wrong, not just a datasheet.
We don’t trust luck. Variation in natural extracts leads to confusion and waste. Bringing a product to consistent, scalable manufacture takes constant adaptation of techniques. Scaling from the lab to drums means real challenges—solvents that react differently, heat transfers that skew yields, temperatures swinging more than a few degrees. In the early years, losses came from inattention to detail: stray moisture, the wrong glassware, a failed vacuum stage. These lessons stacked up into our present processes. For 3',4',5,7-tetramethoxyflavone, tiny details make a world of difference. We long ago adopted strict controls on input quality, glassware prep, and storage temperature, so every gram leaving our facility meets real-world expectations, not just theoretical ones.
Researchers and process engineers often share their pain points with us. Filling orders for hundreds of grams or just a few, our team hears many stories about other suppliers. Bottles arriving with excessive moisture, powder sticking to sides, or compounds turning brown after a few weeks. These issues, which we used to experience before tightening in-house discipline, now serve as reminders. They push us to document every deviation, re-examine dried weights, and analyze loss during transfer. Our own staff test random lots by running them through the downstream manipulations our customers face—dissolving, filtering, storing at room temp or in refrigerators—so we know the small obstacles. Every update to process reflects this kind of ground-level feedback.
Now, more than ever, chemical manufacturing sits right at the center of environmental and community expectation. We’ve seen the wave of new regulations and the rising focus on sustainable synthesis. For our part, steps get taken to minimize waste, reuse solvents where possible, and transport in safer package formats. Raw material sourcing has shifted over the years, away from routes that involve hazardous by-products or unsustainable botanicals; we consult with our suppliers to track what goes into our reactors, and minimize unnecessary exposure of workers to dust or solvents. The differences between manufacturers often start with details as small as glove changes or filter replacement cycles, but they add up for those who watch every ton of waste.
We spend plenty of time following how our own products travel outside these gates. 3',4',5,7-tetramethoxyflavone shows up in analytical chemistry as a reference standard in plant metabolite profiling. Some customers use it for calibrating HPLC, LC-MS, or GC-MS systems; others evaluate its binding in drug-discovery projects because it mimics the core of bioactive flavones found in medicinal plants. Unlike less-substituted versions, the methoxy-rich structure lets it dissolve better in nonpolar solvents, making certain analytical steps easier and cleaner. Over the years, references in the literature have grown, with this molecule cited in studies on absorption, metabolism, and pharmacokinetics of plant flavonoids. Our role remains a quiet one—producing the necessary material, vouching for its pedigree, and letting scientific work speak for itself.
As a comparison, some of the more common flavone standards break down or oxidize, leading to wasted experiments or ambiguous results. Customers come back for tetramethoxyflavone because it survives the journey from shelf to sample vial with the properties intact. In our experience, the understated reliability saves time, cost, and—most importantly—credibility in published work.
Back in the lab, every new batch starts with the same disciplined checklist. We recalibrate equipment, verify the melting point, scrutinize FT-IR and UV data, and match retention times against known standards. While it might look redundant, catching a single inconsistency in the process means hundreds or thousands of dollars saved downstream—for us and for those we serve. Process control often becomes the defining feature in chemical manufacturing. Comments from our staff who move between synthesis, QC, packing, and dispatch remind us daily that what looks simple in a vial took hours of care and decision-making.
Manufacturing at scale brings the added responsibility of record-keeping. Every step from starting material to final isolation leaves a trail. We retain samples and compare spectra from every lot across years. Not all competitors maintain these archives. Walking the warehouse, the binders stack up—copies of old batch records, marked chromatograms, customer feedback, adjustments after unexpected deviations. The difference between passing quality checks and truly knowing the product's journey sits in those details. Traceability isn’t paperwork; it’s insurance that an old mistake doesn’t become a new disaster. Customers who need to match results with old studies know they can get a documented line back to our earlier output.
Scaling from small-scale synthesis to kilogram production isn’t just about increasing flask size. Early processes for 3',4',5,7-tetramethoxyflavone suffered losses from heat distribution issues, static buildup, and filtration inefficiencies. Upgrading to jacketed reactors, better agitation, and vacuum drying cut these losses and improved product flow. Over time, staff retraining led to better yields and fewer rejected lots. Once, a minute solvent residue would sneak through the old system; updated protocol with improved GC monitoring catches these problems early, cutting customer complaints and saving resources.
No matter the advances in equipment or changes in regulations, our team returns to the fundamentals. Staff form the backbone, and their combined experience exceeds what any single chemist could achieve. The best improvements often come from operator suggestions—observing a faint tint in the crystal crop, a new way to fold filter paper, or a tweak in vessel cleaning. At the end, technical progress stems from sustained effort: data-backed, review-driven, and rooted in years of direct observation. We invite challenging questions and tough testing from advanced users. Every successful solution gets logged and reused. That process breeds a product like 3',4',5,7-tetramethoxyflavone that holds up to scrutiny.
As research tools and needs evolve, so do expectations for specialty chemicals. Researchers expect not just a substance, but a trusted supply. We believe that the story of 3',4',5,7-tetramethoxyflavone is best told through its daily role in progress—whether in lab development, analytical studies, or larger investigations. Our approach remains grounded in chemistry and the demands of those who depend on our output. From plant biochemistry to pharmaceutical research and materials analysis, faithful production supports credible results. Experience shapes every lot. That’s the difference made on the manufacturer’s side of the bench, and that’s the foundation for real progress with every shipment.