|
HS Code |
409349 |
| Iupac Name | 4-[(E)-2-(3,4,5-Trimethoxyphenyl)ethenyl]phenol |
| Molecular Formula | C17H18O4 |
| Molecular Weight | 286.32 g/mol |
| Appearance | White to off-white solid |
| Cas Number | 501-36-0 |
| Melting Point | 254-256 °C |
| Solubility | Soluble in DMSO, ethanol, methanol |
| Purity | Typically ≥98% |
| Structure Type | Stilbene derivative |
| Smiles | COC1=CC(=C(C=C1OC)OC)/C=C/C2=CC=C(C=C2)O |
| Inchi | InChI=1S/C17H18O4/c1-19-16-10-13(11-17(20-2)21-3)15(12-16)7-6-14-4-8-18-9-5-14/h4-12,18H,1-3H3/b7-6+ |
| Pka | Approximately 9.7 (phenol group) |
| Storage Conditions | Store at 2-8°C, protected from light |
As an accredited 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The chemical is packaged in a 25g amber glass bottle, sealed and labeled with full chemical name, safety symbols, and batch information. |
| Shipping | The chemical **4-[(E)-2-(3,4,5-Trimethoxyphenyl)ethenyl]phenol** is shipped in securely sealed containers, protected from light and moisture. Standard shipping is via ground or air, in compliance with chemical transport regulations. Appropriate labeling and documentation ensure safe handling during transit. Specialized packaging minimizes risk of spills or contamination. |
| Storage | Store **4-[(E)-2-(3,4,5-Trimethoxyphenyl)ethenyl]phenol** in a tightly sealed container away from light, heat, and moisture in a cool, dry, well-ventilated area. Keep separate from incompatible substances such as strong oxidizers. Use appropriate labeling and secondary containment. Handle under inert atmosphere (e.g., nitrogen or argon) if air-sensitive. Always adhere to institutional and safety guidelines. |
Competitive 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]Phenol prices that fit your budget—flexible terms and customized quotes for every order.
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In our experience as direct manufacturers, attention to detail at every step makes the real difference in chemical quality and trust. We have produced 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol for years, supporting customers who demand repeatable results batch after batch. Close involvement, from raw material sourcing to purification techniques, cuts down on variables and achieves the consistent purity profile we are known for. Each lot rolls off our reactors with traceability to its synthetic origin, and our team inspects, tests, and benchmarks materials before sending them out. We have seen clients rely on this compound as a key intermediate in specialty drug research, as well as in materials applications where consistency translates to real-world performance.
Real-life production doesn’t run on textbook diagrams. It happens on the plant floor, where raw materials shift in cost and supply, and every operator’s vigilance matters. Early on, our chemists homed in on a synthesis route for 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol that cuts down on byproducts while providing high isomeric control. Many manufacturers fail to realize that batch yields and product quality hinge on seemingly minor details—like reactor temperature ramp profiles, or solvent purity. We continually update our process to push impurity levels lower with every year.
We monitor each lot of trimethoxybenzaldehyde and hydroxybenzene as they enter our facility. In-house purification ensures these starting materials never carry over residual solvents, metals, or non-volatile contaminants into the final product. The transition-metal-catalyzed coupling for the (E)-alkene linkage is managed under controlled temperatures. After the coupling step, we test for geometric isomer ratio using HPLC to ensure only the (E)-isomer reaches final packaging. We do not take shortcuts, because we have seen what happens when others do.
We've seen some sources release batch lots with detectable levels of the (Z) geometric isomer, along with colored impurities that should have been caught much earlier. By controlling our lab practices and scaling them to production, our team avoids batch-to-batch variability. Analytical tracking doesn’t end at release—our technical staff routinely tests retained samples up to 24 months post-production, learning from every single deviation.
This compound isn’t just an academic curiosity. 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol carries weight in both synthetic organic laboratories and pilot lines for advanced research. It functions as a core building block for biologically active molecules, drawing structural features from both stilbenes and functionalized phenols. In bioscience labs, research teams use it as a precursor for analog synthesis in drug discovery. Structure–activity relationship (SAR) work depends on subtle substitutions, and the trimethoxy-substituted phenyl ring—together with the phenolic group—enables a wide range of chemical modifications.
From working directly with end-users, we have learned that material reliability speeds up progress. Synthetic chemists pick our product to build stilbene-based ligands for screening, or to synthesize prototypical enzyme inhibitors modeled after known bioactive compounds. Its backbone allows introduction of further substituents by etherification, oxidation, or halogenation. In these routes, even minor contaminants hinder yields or generate side-products—the purity of the starting substrate sets the stage for everything downstream.
Material scientists find utility in the conjugated double bond and electron-rich aromatic framework. It is common for our compound to serve as a linker or core scaffold, especially in preparation of polymers or functionalized surfaces. The orientation and purity of the (E)-alkene double bond are critical, since many photophysical properties—such as fluorescence or charge-transport efficiency—shift in presence of isomeric mixtures. With our strict alkene selectivity and residual metal analyses, clients find that evaluation processes in optical or electronic material pipelines proceed with confidence.
Comparisons to other chemical products, or even to the same molecule from third-party or trading sources, surface weekly during conversations with our customers. More than one client has brought us a sample that ‘looked’ right on the label, but failed when run through real-world reactions. Often, those are from resellers who cannot guarantee batch integrity. It is easy enough to print a neat label, yet much harder to guarantee no contamination during repackaging, moisture ingress from improper seals, or exposure to light that accelerates degradation. As primary manufacturers, we maintain environmental controls in both synthesis and packaging. Nitrogen lines ensure no oxygen exposure; single-use packaging liners prevent leaching; our staff minimizes direct handling until shipment.
Another difference comes out through documentation. For every lot, we archive full analysis data—including proton and carbon NMR, HPLC chromatograms, GCMS, and IR spectra. Long-term customers appreciate immediate access to years of batch records, enabling them to retrace origins during troubleshooting or regulatory audits. These records exist because we need them ourselves—internal troubleshooting and process optimization rely on sample tracking from batch to batch.
Price competition sometimes trades purity for profit, so we explain to our buyers: the cost per milligram measures less than performance per hour in the lab. A few suppliers dilute to widen margin, or cut corners by skipping the isomeric enrichment step. We don’t. Instead, our close operational control produces a tight impurity profile and isomeric purity. People who scale from milligram to kilogram find that their time is not wasted recalibrating every experiment.
Low-cost or off-spec copies of 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol increasingly show up on the market, usually as unlabeled blends or unknown-source powder. Our technical support staff frequently hears from researchers whose reactions stall, precipitate, or veer off-path due to these alternatives. The loss becomes acute when the intermediate must power a suite of downstream syntheses or when time-sensitive project deadlines approach. Years ago, one customer spent weeks tracking a side-product in their route to impure starting material—their previous supplier had misrepresented the (E)/(Z) ratio and masked the presence of trace palladium. We worked through their data, providing reference spectra and guidance on troubleshooting until they could restore their process yields.
From our angle, customer transparency prevents setbacks. We report batch-level impurity data, residual solvent content, and water analysis alongside each shipment. Open exchange with customers benefits both sides, and if post-shipment issues arise, our manufacturing and analytical teams are the ones who answer the call, not a reseller without process insight. This level of partnership becomes possible only when a supplier owns both the facility and the technical know-how.
Some substitute products come from bulk re-crystallized powders stored for extended periods, sometimes under undefined temperature or humidity. Protection from light and air is essential, as the phenolic function can undergo oxidative changes. Our practice keeps all post-synthesis storage under dry nitrogen at controlled temperature, with packaging finished as close as possible to shipping date. Scientists using our product avoid starting their projects with aged or partially decomposed stock.
Self-manufacture brings direct control, from supplier relationships for starting chemicals to on-site analytical lab capacity. We measure every step, and our evidence for quality doesn’t rely on generic ‘COA’ statements. For 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol, tight control of byproduct levels distinguishes a research-grade batch from commercial ‘run-of-the-mill’ equivalents. Batch inspection covers not only purity, but also molecular identity, moisture content, isomeric purity, and residual inorganic content. Randomized spot testing after long-term storage validates real shelf stability, so our supply chain partners know they won’t face surprises late in the product lifecycle.
Our analytical team monitors every lot on entry and exit using well-calibrated instruments. Each pack carries a unique batch identifier, with full chain-of-custody records stretching back to day one. This approach allowed us to support a customer’s regulatory audit by opening files that traced every step of the batch, including storage logs, cleaning records for glassware, and calibration documents for each balance and analytical run.
Mistakes can happen, and in rare cases we catch drift or deviation from target specs. The difference at our facility comes from our willingness to root out the source, rework the batch if possible, and share findings directly. Some competitors avoid acknowledgment, or blame end-users for problems rooted further upstream. Trust grows from transparency, and our openness with customers keeps issues from compounding downstream.
We stand at an intersection between experimental chemists and scale-up teams. On one end, our 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol enables students and postdocs to complete milestones in their early synthetic efforts. On the other, material scientists and pharmaceutical developers have moved multi-kilogram quantities through our plant for in-house optimization, pilot compounds, and full-scale studies. This experience enables us to spot issues earlier, communicate in practical terms, and respond to every order as a partner—not just a warehouse operator moving boxes.
We do not claim that “one size fits all.” Instead, we maintain flexible production schedules, adapting batch sizes and delivery frequencies on customer demand. A lab-scale run for milligram aliquots or a bulk delivery for pilot process both receive the same direct oversight. Our years in the industry taught us that one failed step at the synthesis stage can wipe out budgets and burn time for entire teams. Our staff shares this perspective, and our production logs confirm it—meticulous execution at the bench and in the plant saves everyone effort in the end.
Real-world feedback helps us benchmark our 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol against analogous molecules or derivatives. Many researchers ask about the functional differences compared to unsubstituted stilbenes or alternative methoxy substitution patterns. The answer is practical—structural modifications in this molecule direct both reactivity and application options.
Compared to simple stilbene or unmodified trans-stilbene, our compound introduces electron-donating methoxy substituents across the aromatic ring, which increases solubility in organic solvents and modifies downstream coupling potential. The phenolic group enables further derivatization, serving as a handle for ether, ester, or acyl group introduction. These functional changes shift its electronic properties, essential for specialty drug or material science pipelines.
Some users work with derivatives featuring different methoxy arrangement, such as 3,5-dimethoxy or 2,4,5-trimethoxy substitutions. Through hands-on analysis, we have seen that slight structural changes can dramatically impact chemical reactivity—especially in transition-metal-catalyzed cross-coupling or enzymatic modification. Our experience with 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol suggests it offers a strong combination of reactivity, ease of purification, and spectral clarity when analyzed in downstream applications.
Comparison with related hydroxy-stilbenes, such as resveratrol analogs, also arises. Many customers ask which to use for certain biological or physical protocols. Our team suggests that the additional methoxy groups contribute to both improved stability in air (acting as oxidation buffers) and altered interaction with biological targets, such as enzymes or cell receptors. Those who adopt this compound for exploratory drug work can read plasma stability, cellular uptake, and downstream bioavailability changes that are not present in simpler analogs. Our support team is well versed in exchanging data on these topics, because we have been down this path alongside customers.
Many assume ordering fine chemicals is just a matter of supply and demand. Manufacturers know there’s more—especially at the interface of high-value research and scaled-up synthesis. At our facility, requests for kilogram-scale production always attract the full focus of process, quality, and logistics teams. We schedule dedicated reactor time, train staff on handling protocols, and verify every drum or jar before transport. This results in reliable supply for clients who scale up, whether they are validating new drug routes or preparing electronic substrates.
Packaging for sensitive molecules like 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol must go beyond the basic jar or drum. Moisture absorption, air oxidation, and photo-degradation can undermine even the purest batch. Whether a batch heads to a small university or a commercial pilot line, every package gets nitrogen flushing, protection from light, and secondary containment. Real-world evidence comes from our archive—returns and complaints on damaged material have dropped to nearly zero as our packaging policies took hold.
Our role does not end at the dock. Many users run their first reactions and then ask our advice on next steps, impurity troubleshooting, or speculative modifications. We keep our technical staff on hand for real support—analytical interpretation, suggestions for alternative routes, or long-term storage advice. The reason is simple: chemical manufacturing ties together expertise, care for product identity, and a willingness to get into the details with those who count on us.
Long-term success as a chemical manufacturer grows from reliability, steady improvement, and open customer engagement. Each batch of 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol reflects the continuity of our standards. Our entire team—chemists, engineers, and analytical scientists—moves forward with a joint belief that no synthetic shortcut replaces care, transparency, and technical rigor. We never lose sight of the demands chemists face at the bench, and we build our processes to anticipate their needs, not just react to them.
For us, manufacturing isn’t about ticking boxes or reciting specifications—it means creating real value in the laboratory and the production line. Years spent listening to researchers, learning from setbacks, and fine-tuning each stage has given us a strong sense of purpose. 4-[(E)-2-(3,4,5-Trimethoxyphenyl)Ethenyl]phenol stands as one example among many—what sets ours apart is the chain of care from raw material to packaged product, and the commitment to partnership with those who use it.