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HS Code |
300449 |
| Cas Number | 531-59-9 |
| Molecular Formula | C11H10O4 |
| Molar Mass | 206.20 g/mol |
| Iupac Name | 5,7-Dimethoxy-2H-chromen-2-one |
| Appearance | White to pale yellow powder |
| Melting Point | 168-170°C |
| Solubility In Water | Slightly soluble |
| Structure | Coumarin core with methoxy groups at positions 5 and 7 |
| Synonyms | Osthole methyl ether, Herniarin dimethoxy |
| Pubchem Cid | 68093 |
As an accredited 5,7-Dimethoxycoumarin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 5,7-Dimethoxycoumarin, 1g, supplied in an amber glass vial with a screw cap, labeled with product details and safety information. |
| Shipping | 5,7-Dimethoxycoumarin is typically shipped in tightly sealed containers, protected from light and moisture. It is handled according to standard chemical transportation regulations, ensuring proper labeling and documentation. Shipping is generally conducted at ambient temperature by ground or air, following all applicable safety guidelines for non-hazardous laboratory chemicals. |
| Storage | 5,7-Dimethoxycoumarin should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated place away from light and moisture. Store it at room temperature and separate from incompatible substances such as strong oxidizers. Ensure proper labeling and limit exposure to air to prevent degradation. Follow relevant safety guidelines for chemical storage and handling. |
Applications of 5,7-Dimethoxycoumarin in Industrial ManufacturingAs a direct manufacturer, we supply 5,7-Dimethoxycoumarin to various specialized sectors. Its molecular structure and consistent purity suit demanding industrial workflows. Below, we specify how this raw material integrates into real downstream processes across multiple industries. 1. Pharmaceutical Intermediate for Anticoagulant Synthesis5,7-Dimethoxycoumarin functions as a key intermediate in the synthesis of certain coumarin-based anticoagulant active pharmaceutical ingredients. Its precise substitution pattern provides the scaffold needed for additional functionalization. Manufacturers employ it in controlled condensation reactions under GMP environments, ensuring traceability and batch reproducibility for regulated pharmaceutical production. Processing must follow validated protocols to maintain consistent yield and minimize byproducts. Downstream users further purify derivatives for use in finished drug formulations for the treatment or prevention of venous thrombosis and related conditions. Industry compliance standards
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2. UV Fluorescent Marker in Agrochemical FormulationsDownstream agrochemical producers use 5,7-Dimethoxycoumarin as a fluorescent tracking agent in the formulation of selective pesticides and herbicides. Its distinct emission peak enables precise application audits and residue assessments under laboratory or field conditions. Addition occurs during the blending of formulated liquids, with compatibility ensured via pre-formulation solubility and stability studies. This marker supports regulatory compliance for application studies, drift modeling, and environmental fate analysis, especially for trace-level detection post-application. Industry compliance standards
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3. Analytical Reagent in Plant Natural Products ResearchOur compound supports academic and commercial analytical laboratories as a reagent for developing and validating chromatographic quantification methods, especially for plant secondary metabolites. The stability and UV absorbance of 5,7-Dimethoxycoumarin make it an accepted internal or external standard in HPLC, LC-MS, and capillary electrophoresis methods. Laboratories dissolve accurately weighed portions for standard curve generation, purity checks of plant extracts, and cross-laboratory calibration assignments. This boosts data comparability and credibility for botanical identity, potency, and adulteration studies across industrial herbal supply chains. Industry compliance standards
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4. Fragrance Ingredient in Fine PerfumeryIn the fragrance industry, perfumers incorporate this coumarin derivative to impart nuanced sweet, creamy, and hay-like notes in high-value compounded perfumes and personal care aromas. Selection occurs due to its low volatility and compatibility with aldehydic and lactonic bases. Dosing is accurate, managed to comply with IFRA recommended limits and company-specific olfactory standards. Final blending allows for full-bodied, persistent heart notes in complex scents, targeting luxury and innovation-driven brands. Quality control confirms identity, purity, and trace impurity content in all blend components to meet international export safety profiles. Industry compliance standards
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Talking about coumarins, each structural tweak leads to a change in behavior, reactivity, and application. Within our plant, 5,7-Dimethoxycoumarin stands out as a reliable and versatile compound produced for customers demanding precision and reliability. Over decades, our teams have handled the selection of starting materials, the reaction environment, and purification with hands-on control.
People often lump coumarins into the same category, but making 5,7-Dimethoxycoumarin requires skill. It’s not a matter of scaling up a generic process or relying on secondary sources. The two methoxy groups at positions five and seven do more than decorate the molecule—they determine reactivity and the ways it interacts with the environment, solutions, and active sites in biological and industrial contexts.
Customers working on biologically active compound synthesis, pesticide development, or materials research often reach out to us asking how 5,7-Dimethoxycoumarin can deliver repeatable, clean results. Experience shows that the methoxy substitutions on the coumarin core lend a subtle balance between electronic effects and steric protection. Researchers enjoy a scaffold that can resist unwanted side reactions under moderate to harsh conditions. This matters when you’re scaling from bench-top work to industrial production. These details shape the fate of a project’s direction and budget.
In our facility, purity is not a checkbox—it determines success or failure in downstream chemistry. Our 5,7-Dimethoxycoumarin regularly achieves high purity grades. For synthesis chemists, a consistent melting point, single spot TLC, and clean HPLC trace are more than figures on a sheet—they make planning possible and minimize troubleshooting.
We make 5,7-Dimethoxycoumarin through a multi-step protocol that gives us control over byproducts. The result: lots that don’t vary unpredictably from batch to batch. Customers have told us how low-impurity raw ingredients remove a layer of risk from scale-up and regulatory submissions. It’s common to see frustration from users who try commodity sources, only to chase impurities through every stage of synthesis.
Technical teams ask about stability, storage, and handling. Our field data and feedback from university collaborators helped refine storage advice: cool, dry, sealed. We don’t make blanket statements—we have measured stability and shelf-life, so users know what to expect. The structure’s two methoxy groups impart resilience toward mild base and acid, and the aromatic character means the solid can be handled with basic safety precautions, avoiding the photo-instability or volatility found in some related analogs.
Researchers in natural products chemistry look for building blocks that combine reactivity with selectivity. The symmetrical placement of methoxy groups confers properties that synthetic chemists have described as “Goldilocks” reactivity—neither too stubborn nor too eager to react, but well balanced for a range of transformations. As a fluorescent compound, 5,7-Dimethoxycoumarin’s emission properties open doors for analytical and imaging tools, especially where strong and predictable signals matter.
In pharmaceutical research, 5,7-Dimethoxycoumarin has inspired interest due to its core similarity to naturally occurring compounds with known biological activities. While regulatory rules keep us from making clinic-level claims about downstream products, customers in life science report reliable starting material quality and processability. Our product has supported research into antifungal, antimicrobial, and enzyme-modulating agents without burdening users with trace impurity headaches.
Formulators working on UV absorbers and fragrance intermediates also see the appeal of carefully prepared coumarins. Volatility control, melting point consistency, and solubility all depend on subtle details that arise from synthetic accuracy. Not every coumarin gives the same performance in sunscreen systems or stylized scent blends. Many users find 5,7-Dimethoxycoumarin eminently workable in these applications, in part because it doesn’t bring along sulfide or nitro byproducts sometimes found with less discriminating syntheses.
Compared to its close relatives—simple coumarin, 6,7-dimethoxy analogs, and O-substituted derivatives—5,7-Dimethoxycoumarin’s pattern of substitution produces meaningful changes in both chemical performance and manufacturing behavior. Our process delivers a product that avoids the unpredictability associated with multi-source resins and “one-size-fits-all” intermediates. This is especially important when users plan to functionalize the aromatic ring further, attach side chains, or integrate the compound into more complex molecules.
We regularly see requests for 6,7-dimethoxy- and 4-methylcoumarins, but it’s striking how customers report subtle yet important differences in downstream chemistry. For example, our technical support has consulted with teams troubled by instability during aromatic substitutions—an issue far less common with the 5,7-dimethoxy isomer, likely due to the electronic and spatial characteristics. This underscores why knowing your supplier’s methods matters.
Our journey with 5,7-Dimethoxycoumarin isn’t static. Batch testing does not end at dispatch. We continuously gather analytical data, review feedback from experienced users, and challenge our team to adapt to changing regulatory and scientific standards. This is a science as much as it is a craft—balancing classical chemistry knowledge with modern analytical tools.
The Watson-Crick moment never happens in isolation on the page. Real breakthroughs come when users pick up a bottle, expect quality, and their experiment proceeds as planned—no odd peaks on spectra, no unexplained drops in yield, no hiccups in purification. These outcomes directly reflect the detail our teams put into every stage of production: optimized solvent recovery, controlled temperatures, close attention during crystallization, and rigorous spot-checks at every step.
Looking at the industry, recycled intermediates and off-grade material surface more than they should. We refuse to cut corners by mixing grades or relying on uncertain second-hand sources. Instead, each lot is tracked from the earliest raw ingredients, and every dispatch matches the analytical fingerprints accumulated from decades of production runs.
One of the overlooked sources of waste in the R&D sector is time lost analyzing and purifying substandard intermediates. Often, this isn't discussed openly, but we hear from scientists who spend late nights fixing problems rooted in an unexpected contaminant or trace impurity. Once, a customer working on a new photophysical probe spent weeks trying to chase down the source of a faint side product—only to find it traced to an unreported contaminant in a coumarin batch from another producer. Scientists expect better, and they deserve it.
We view the job as more than dispatching a drum or flask. Accountability happens in every recorded spectrum and every documented synthesis trial. If a process reveals a need for higher-than-standard purity, our team can supply customized grades with advanced purification and full analytical support. Time and again, user feedback about fewer false starts and cleaner results tells us that quality control isn’t an extra: it’s the baseline.
Sustainability concerns also shape modern procurement. On this front, our plant’s waste minimization and solvent recycling programs have achieved concrete reductions in environmental footprint. We do not see industrial chemistry and environmental stewardship as at odds—they are two interlocking gears in any responsible production outfit. Reliable, predictable behavior in downstream chemistry also reduces energy, resource waste, and rework, supporting customers’ own environmental commitments.
Decades ago, quality often meant relying on the expert judgment of a senior technician’s observations. While these skills matter, we've invested in modern equipment—NMR, HPLC-MS, and advanced chromatography—to give customers robust, verifiable data. Our approach couples old-school technical judgment with up-to-date best practices and clear documentation. It’s a combination that repeatedly saves our users time and cost. The hard-learned lessons from every production run, analytical report, and customer outcome filter into the next batch we manufacture.
We see every batch of 5,7-Dimethoxycoumarin as a demonstration of care. Sourcing the right reagents, controlling the reaction to minimize byproduct formation, and fine-tuning the crystallization process all matter. There are no shortcuts. Each decision, from drying solvents to checking finished product storage conditions, stems from countless rounds of adjustment, error correction, and test reactions.
Customers sometimes inquire about scalability. Our facility has moved this compound from bench scale to multi-kilogram lots. Through it all, we haven’t compromised on specifications. Whether delivering to a university for basic research or a pharmaceutical operation preparing for preclinical submissions, every lot faces the same scrutiny. We work directly with labs to ensure the supplied material aligns with their protocols, and our technical support stands ready to walk through any specific application challenges or customization needs.
Turnaround times and supply stability become more important as research programs accelerate. Having weathered supply chain shocks and changing demand cycles, we maintain inventory systems that buffer against shortfalls. Direct sourcing and in-house production let us react quickly to shifting orders. Research institutions and applied chemistry outfits return for these assurances, knowing their project timelines will not be thrown into disarray by inconsistent supply or missed shipments.
Chemistry at scale teaches humility and respect for detail. Small mistakes compound rapidly. Through years of manufacturing 5,7-Dimethoxycoumarin, we learned not to rely on assumptions or take shortcuts. Listening to users—custom synthesizers, university researchers, materials scientists—illuminates issues sometimes missed from the production floor: solubility quirks, odd spots on TLC, handling preferences, even how packaging influences workflow in the lab.
Users value direct lines to our technical team. We've learned as much from troubleshooting their synthesis problems as we've taught in providing best practices. Open, two-way dialogue means we can adapt packaging, shipping, document formats, and lot traceability for regulatory filings. We respect intellectual property boundaries—confidentiality and discretion are core. More than once, a quick phone call or email exchange has headed off weeks of delay, thanks to our readiness to share manufacturing insight or minor protocol adjustments.
Regulatory environments have tightened over the years. We maintain compliance not because someone looks over our shoulder, but because we have seen first-hand the pain caused by incomplete records, ambiguous traceability, or delayed documentation. Transparency and open reporting earn trust—that value comes through in every signed batch record and Certificate of Analysis delivered with each order.
Work on 5,7-Dimethoxycoumarin doesn’t pause because the chemistry is “done.” As analytical methods sharpen and customer needs change, we continue process review and modification. Sometimes this means streamlining a process, cutting a hazardous reagent, or making a greener solvent choice. In every case, improvements filter back to both our end product quality and our customer relationships.
End-users exploring new fields—advanced optoelectronics, biomimetic sensors, specialized pharmaceutical intermediates—dig deeper into performance details. Questions about trace elemental impurities, particle size, solubility in novel solvents, or photostability under exotic conditions keep our technical and production staff sharp. We welcome these questions and regularly use this feedback to steer both manufacturing decisions and R&D investments.
While there may always be easier alternatives with less consistency or lower price tags, we stand behind the necessity for tight control, traceability, and deep subject-matter expertise on every shipment. Not every application needs the highest grade, but those that do often drive breakthroughs—whether in academia, biotechnology, agroscience, or advanced material science.
We encourage direct engagement from our customers—scientists, engineers, regulatory specialists, and procurement professionals alike. Our knowledge grows with yours, and our processes get stronger with each new technical challenge brought our way.
Decades of real-world production, troubleshooting, and back-and-forth with conscious, skilled users underpin everything that leaves our facility. 5,7-Dimethoxycoumarin represents not just a molecular entity but an ongoing dialogue between manufacturing know-how and customer ambition.
We look forward to driving the next era of innovation with you, one molecule and one true partnership at a time.