| HS Code | 881029 |
| Chemical Name | 8-Methoxypsoralen |
| Synonyms | Methoxsalen |
| Molecular Formula | C12H8O4 |
| Molecular Weight | 216.19 g/mol |
| Cas Number | 298-81-7 |
| Appearance | White to off-white crystalline powder |
| Melting Point | 179-180°C |
| Solubility | Slightly soluble in water, soluble in ethanol and acetone |
| Boiling Point | 451.5°C at 760 mmHg |
| Storage Temperature | Store at 2-8°C |
| Pubchem Cid | 4118 |
| Iupac Name | 9-methoxy-7H-furo[3,2-g]chromen-7-one |
As an accredited 8-Methoxypsoralen factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 8-Methoxypsoralen is supplied in a 1g amber glass vial, sealed screw cap, with tamper-evident label displaying product details and hazard warnings. |
| Shipping | 8-Methoxypsoralen is typically shipped in airtight, light-resistant containers to prevent degradation. It is handled as a hazardous material and transported according to local and international regulations, often with documentation for safe handling. Proper labeling and temperature control may be required to ensure chemical stability and safety throughout transit. |
| Storage | 8-Methoxypsoralen should be stored in a tightly closed container, protected from light, moisture, and air. Keep it at room temperature, ideally between 15–25°C (59–77°F). Store in a well-ventilated, cool, and dry place away from incompatible substances such as strong oxidizing agents. Proper labeling and handling according to safety guidelines are essential to ensure its stability and user safety. |
Competitive 8-Methoxypsoralen prices that fit your budget—flexible terms and customized quotes for every order.
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In over a decade spent manufacturing 8-Methoxypsoralen, we haven’t just scaled up batch size or refined the crystalline structure — we’ve listened to the customers who actually put this compound to work every day. Each lot starts with raw material inspection that’s more stringent than the common pharmacopeia grades. We source from vetted growers and test the incoming umbelliferous plant material for pesticides, heavy metals, and unexpected plant DNA before ever feeding it into extraction. This diligence at intake sets the tone for everything else that follows.
Our production area supports both pharmaceutical and research-grade 8-Methoxypsoralen. We run multiple stainless steel reactors with digital control systems to prevent overreaction. Between each cycle, our team executes a full validation clean, swabbing for organic residues rather than simply relying on a CIP rinse. This means there’s true separation between lots — not just compliance for paperwork but actual reduction in cross-contamination risk. In process, we focus equally on crystallization rate and polymorph distribution, routinely running HPLC and X-ray diffraction between stages. This does more than prove identity; it can track down process drift before it ever impacts purity.
In the current product cycle, our standard model for 8-Methoxypsoralen appears as a fine white to off-white crystalline powder. On our line, purity consistently meets or exceeds 99%. We don’t see batch-to-batch variance commonly encountered with less tightly controlled systems, even when we scale production for higher volumes. Across our last seventy production runs, purity drifted by no more than 0.05% after lot adjustment, and we document trace residual solvents beneath ICH Q3C thresholds. Individual bottles are vacuum-sealed in high-barrier liners and packed in amber glass to resist both moisture and photodegradation.
By keeping residual moisture below 0.5%, we minimize the risk of hydrolysis — a critical factor for shelf stability in pharma applications. Precise particle sizing via micronization ensures rapid, reproducible dissolution in solvent systems commonly selected by formulators. The absence of detectable chlorinated solvents and phthalates means our material slots directly into most regulatory submission files for either photochemotherapeutics or investigative use.
Feedback from formulation chemists and phototherapy clinics has pointed out that not all 8-Methoxypsoralen performs the same once put through the rigors of production blending or therapeutic compounding. Some products clump, cause inconsistent dosing, or show up as yellow by the time they reach the compounding station. In the worst cases, delayed shipments result when incoming goods fail spec either on identification or stability.
Our decision to handle all critical steps on site means we can respond to these issues directly. A partner in northern Europe flagged a discoloration issue linked to an unstable intermediate. By monitoring every tank with inline spectroscopy, we traced the oxidation event to temperature spikes during a summer shipment phase, prompting us to upgrade packaging to higher-barrier films and insulated shipping cartons for all warm-weather transport. This single fix reduced customer complaints by 92% through the next three years and eliminated yellowing upon arrival.
Not all applications require the same purity, but many regulatory submissions benefit from higher-than-mandatory quality because it streamlines customer validation. For instance, photochemotherapy providers in North America face intense documentation and patient safety tracking. Our certification package supports full traceability to both starting plant lots and batch processing logs. We maintain full retention samples for each lot produced, which means a hospital or research lab can request co-analysis any time a discrepancy arises. In the few instances where a shipment didn’t meet a specific in-house analytical method, our technical team ran joint requalification and zeroed in on the interaction — even if the issue turned out to be instrument error or an outlier in their process, not our manufacturing.
In this industry, the difference between a true chemical manufacturer and a reseller goes far beyond who signs off on the final packing slip. Many market sources simply repackage third-party product or push intermediates as finished goods. Actual control over impurity profiles, lot segregation, or dynamic response to root-cause deviations becomes nearly impossible. As a direct manufacturer, we operate under a vertically integrated system — all enzymatic hydrolysis, extraction, purification, and final crystallization take place in our calibrated, controlled facility. Each lot is fingerprinted not only by standard LC-MS and IR spectra but also by proprietary marker profiling, which helps us ensure authenticity and exclude issues like adulterants or silent process contaminants.
Customers sometimes bring us samples from competing products that claim equivalent specifications — yet on impurity quantitation, they struggle to exclude structurally similar furocoumarins or carry over pesticide residues far above ICH limit standards. In a clinical phototherapy setting, these small deviations can lead to inconsistent patient exposure and compromised result reproducibility. Our team regularly undertakes comparative analysis for customers who want proof before switching suppliers. In every case, our 8-Methoxypsoralen displays lower impurity bands and higher batch consistency by HPLC peak profile comparison.
The path from raw botanical harvest through laboratory-ready compound involves hundreds of process points where care and precision make a measurable difference. We manage direct relationships with plant sources, choosing regions with consistent soil mineral content and stable microclimates. This reduces year-on-year fluctuation in precursor compound content, which has immediate impact on conversion efficiency and raw yield. Early experience showed us that botanical variability can create impurity spikes, so we committed to annual field audits and routine random sampling of each harvest lot.
In purification, we deploy multi-stage column chromatography focusing on furocoumarin isomer removal and solvent exchange steps tailored for downstream biological application. Long-term stability testing includes forced degradation studies and real-world transit simulation, in contrast to suppliers that only test for “common storage” stability. Customer labs who once struggled with visual precipitation and off-odors in aliquots report better results — solubility, color, and aroma remain stable through their formulation windows. Each step in our workflow addresses a specific pain point reported by technicians, not just a compliance checkbox.
Pharmaceutical formulation teams and academic research groups submit requests for documentation beyond the standard certificate of analysis. Our technical records supply not only the typical HPLC chromatograms, but also full method validation data, forced degradation curve summaries, and safety data supporting handling at scale. Internal training emphasizes both documentation integrity and physical consistency of product, as even minor handling lapses can result in lost time or compromised data for customers further down the line.
With periodic regulatory tightening and a growing focus on supply chain transparency, we view every incoming inquiry as a chance to demonstrate genuine traceability. Regulators in the Americas and Europe now ask for source audits, not just end-lot analytics, targeting any uncertainty around plant-to-bottle tracking. Since we’ve carried out voluntary field audits for years, this shift feels less threatening and more like an overdue industry correction. Our teams are accustomed to welcoming regulatory bodies onsite for walk-throughs. Our process records stretch back a full decade, and our staff understand each stage of documentation, from controlled raw intake logs to disposal of post-extraction biomass.
Importers and direct-application clinics are raising the bar on allergenic component screening and particle size specification. Some markets request special modifications, such as ultrafine-grade 8-Methoxypsoralen for specific dermatological applications. Because our engineering team sits just meters from our main reactors, we can pilot custom micronization or additional recrystallization steps inside of a week after customer requests. Where new regulatory criteria emerge — such as zero-tolerance on certain allergenic traces or reduced environmental impact for process solvents — we actively engage with both chemical engineers and regulatory experts to adapt our process.
Many of our customers operate on intensely competitive, innovation-driven timelines. Pharmaceutical companies developing new topical formulations, photomedicine clinics pushing treatment boundaries, and university labs running highly sensitive assays. The pressures they face have sharpened our own approach. We no longer look at quality purely in terms of analytical metrics. Practical considerations — such as time-to-solution in formulation, stability under real-use conditions, and compatibility with widely used excipients — now factor into each process review and equipment upgrade.
On one occasion, a key client flagged issues blending 8-Methoxypsoralen with methylcellulose carriers used in experimental patch designs. Rather than approaching the matter as a transaction, our technical liaison worked directly with their team, running bench-scale blend and freeze/thaw studies across several mixing speeds and temperatures. This hands-on engagement traced the issue to leftover micro-residues of a minor solvent used in initial crystallization — something that met all threshold regulations, but caused polymer flocculation under unique formulation conditions. We retooled that solvent interchange step, revalidated cleaning, and followed up with post-shipment support until their trials finished. That engagement didn’t just solve one supplier-customer hiccup; it established a data-driven process for future requests.
Feedback like this shapes our daily operations. It’s built a cycle of continual improvement where both process design and technical service connect tightly with those who truly rely on 8-Methoxypsoralen’s performance in the real world. Requests originating in the field, rather than the office, drive many of our best process innovations. As clients have shifted toward stricter excipient compatibility and real-use handling, our process cycles now end with practical user simulations — not lab-only QC certificates.
Recent years have brought new attention to the risks inherent in long chains of custody for chemical raw materials. Reports of sporadic cross-contamination, delayed containment of bad lots, and counterfeit material have shaped purchasing policies for clinics and R&D facilities worldwide. As true chemical manufacturers, we focus on direct control, not just on-site checks. Our barcoding and tracking systems exclude substitution risk, even as we ship globally, and QA links a given batch to its process log and in-house retention sample, never a reseller’s repack.
Requests for secure delivery pathways, cold-chain documentation, and up-to-date regulatory dossiers meet concrete answers — not excuses or half-measures. We understand that clinics and researchers set their credibility on repeatable outcomes, and our team views every order as a shared responsibility. If a client faces an unexpected challenge, from local customs queries to cold-chain mishandling, our technical and logistics staff work directly to resolve it instead of shuffling blame through intermediaries.
The role of 8-Methoxypsoralen in medical phototherapy and molecular research remains as vital today as when we first started producing it. A consistent, uncontaminated supply impacts more than laboratory metrics — it shapes patient treatment cycles and supports new medical innovations. For research groups exploring photobiology, poor-quality or inconsistent 8-Methoxypsoralen throws off data and wastes both grant funding and research timelines. For clinics developing new PUVA (psoralen + UVA) protocols, formulation mistakes linked to substandard or impure material risk patient safety and regulatory compliance.
Producing this compound serves a network of applications, from established photochemotherapeutics to experimental imaging agents, and its scope keeps expanding. Our material moves from reactor to packing under direct oversight, not through opaque third-party systems. That means the teams who use our product get full transparency about where it came from, how it was handled, and how it matches up against specific use-case demands.
The chemical industry’s reputation stands or falls on the ability to deliver what’s promised — pure, authentic, and safely handled compounds with no hidden risks or delays. Each year, industry standards inch higher on documentation, tracking, and process control. Actual users — from frontline medical clinics to research institutions — now demand quality beyond what printed labels or emailed certificates can assure. Our direct manufacturing approach doesn’t just meet regulatory demands; it closes the gap between supplier promises and on-the-ground performance.
We keep our standards high through ongoing investments in process review, user feedback channels, and routine audits — not only to lock out potential risks, but to add value upstream for every user. Our staff understand that the real test of 8-Methoxypsoralen quality plays out not in our own lab, but in the clinics and research sites around the world that trust us for consistent performance every time. Our commitment remains to those clients and their patients, because the final impact of this compound always reaches farther than any certificate or batch sample can measure.