|
HS Code |
176135 |
| Name | Praeruptorin A |
| Cas Number | 18956-21-1 |
| Molecular Formula | C27H30O8 |
| Molecular Weight | 482.53 g/mol |
| Appearance | White crystalline powder |
| Solubility | Soluble in DMSO, methanol, and ethanol |
| Purity | ≥98% (HPLC) |
| Melting Point | 195-197°C |
| Storage Conditions | Store at -20°C, protected from light |
| Source | Extracted from Peucedanum praeruptorum |
As an accredited Praeruptorin A factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Praeruptorin A is supplied in a 10 mg amber glass vial, securely sealed with a screw cap and labeled for research use. |
| Shipping | Praeruptorin A is shipped in accordance with all applicable safety regulations. It is securely packaged in sealed, chemical-resistant containers to prevent leakage or contamination. The package is labeled with appropriate hazard warnings and shipped via certified carriers, ensuring temperature stability and protection from light and moisture during transit. |
| Storage | Praeruptorin A should be stored in a cool, dry, and well-ventilated area, away from light and moisture. It is best kept in a tightly sealed container at 2–8°C (refrigerator temperature) to preserve its stability and prevent degradation. The storage area should be labeled and access should be limited to trained personnel. Avoid exposure to heat, strong acids, and oxidizing agents. |
Competitive Praeruptorin A prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
Email: sales3@ascent-chem.com
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Years of hands-on extraction, purification, and analysis taught us plenty about the real-world challenges of turning Angelica dahurica roots into high-purity Praeruptorin A. Working directly with farmers for raw material sourcing and handling batch variations season after season, we know how much attention extraction parameters demand. This particular coumarin stands out in our facility for both the technical finesse required and the strong interest among global researchers and pharmaceutical companies.
Outside the lab, feedback from end-users makes it clear: purity and confirmed origin remain key. Our team personally observes raw material intake and pre-extraction processing. We analyze root slices not just by size and dryness, but by aroma and color—small indicators that hint at real differences in alkaloid profile and coumarin content. Once extraction starts, we keep a lid on time and temperature variables, since over-processing risks decomposition. Over the years, we've refined our proprietary column protocols, keeping solvent flow and temperature strictly controlled. This kind of day-to-day direct involvement pushes us to produce batches meeting our best standards, not just published specifications.
We produce Praeruptorin A with a typical batch purity of >98% by HPLC, often consistently near 99%. Most lots present as a white to off-white crystalline powder, free from visible particulates and unmistakable for any other Angelica constituents. Loss on drying remains below 2%, which reflects careful vacuum handling and low-temperature drying—important for maintaining stability of natural coumarins prone to hydrolysis or oxidation. Our QC team ensures heavy metal content and residual solvents sit far below prevailing pharmacopeial limits. Each lot exits packaging with a complete COA, including batch-linked spectral data from both NMR and IR, which we archive digitally for long-term traceability. Typically, particle size sits in the range demanded by most research and formulation purposes, but we know different application scenarios sometimes require special sieving or milling, and our process team takes these requests seriously.
Earlier in our journey, customers often reported inconsistent melting point and color differences across different sources, reflecting the challenges of small-batch or trader-driven supply chains. Unlike products simply relabeled from semi-industrial brokers, our Praeruptorin A always comes directly from our own line, relying on direct Angelica sourcing. That means customers never face mismatched paperwork, unverified test results, or unexplained organoleptic changes. We have found that active control of transportation and warehousing temperature directly impacts final product integrity, especially over long ocean transits. Praeruptorin A’s coumarin backbone reacts to light and temperature, so we use UV-blocking and vacuum-sealed mylar in our packaging room, backed with environmental logging to protect every shipment, domestic or international.
Our team compares every batch against archived reference standards and chromatograms. Whenever we hear a concern in the field—say, slight bitterness or off-odor in an injection solution—we go back to source material and run a full investigation, not merely replace the batch. This accountability, and the willingness to adjust protocols, means clients receive a product whose traceability and consistency directly reflect real chemical stewardship, not just paperwork or empty guarantees.
From years of client collaboration, we've seen Praeruptorin A used not only in pharmacological studies but in specialized formulation work. Its potential to relax airway smooth muscle and modulate calcium channels places it in a unique category for cardiovascular and respiratory research. We have witnessed the compound increasingly involved in studies on pulmonary hypertension, and in vitro metabolism models. Practitioners focused on herbal medicine standardization appreciate a single-source Praeruptorin A, as it gives baseline repeatability and connects traditional medicine with today’s scientific requirements.
Academic groups often report that minor coumarin impurities can skew experimental results. By sticking to careful, multi-step purification and in-house verification, we continuously eliminate ambiguous side-products or isomers that would jeopardize controlled conditions. Pharmacists and hospitals in certain Asian markets rely on us for bulk Praeruptorin A for compounding, and they expect every bottle to align with the last, ensuring dosage and performance reproducibility. The same discipline applies to the supplement space, where tight batch controls prevent unplanned carryover or dosage swings.
Unlike multi-source traders, we offer custom packaging and support smaller batch sizes on request, since research labs may not require large commercial volumes. By controlling every link in the supply chain, we adapt packaging and delivery schedules, ensuring freshness and compliance whether the destination is a cold-climate hospital pharmacy or a humid research facility in Southeast Asia.
We’ve tested many “Praeruptorin A” products available globally and found surprising variance. Traders sometimes blend multiple crude sources or use chemically unrelated coumarins to “top off” a lot—risky moves that easily slip past basic UV tests but get flagged in our HPLC trace overlays. Powder color variations, excess moisture, and faint sour notes easily betray lesser attention to detail. Unlike us, traders seldom ever meet or control their supply-side cultivators. Their products often miss full batch documentation or deep-dive impurity profiling. One common issue in the open market is residual pesticide load from non-controlled farming, which can jeopardize regulatory approvals for bulk buyers.
By tracking every production step and conducting regular audits of our raw Angelica sources, we remove this risk at its root. Being present during harvest and observing drying standards prevents the enzyme-triggered formation of unwanted coumarins or breakdown products, which show up as subtle but critical differences in fingerprint analysis. In comparative solubility tests, our Praeruptorin A consistently dissolves cleanly and without haze in standard solvents—unlike some market offerings that form persistent cloudiness due to trace plant fiber inclusion.
Clients also tell us filtered products from traders tend to lack the documentation for allergen status or Kosher/Halal suitability. Since we run dedicated production lines for each product type, we’re able to segregate handling equipment and provide written allergen guarantees for customers with critical dietary or safety requirements.
We have always found that promises are easy, real accountability less so. On our shop floor, QA is not paperwork—it’s a culture, a sequence of individual checks at every step. Each production shift calibrates its own HPLC and GC instruments, not relying on “last week’s standard” or third-party labs. All staff keep batch logs and are empowered to halt production if anomalies appear. Documentation is double-signed, archiving all parameter shifts.
One common story in chemical manufacturing involves cost-driven shortcuts: using cheaper non-pharma solvents, skipping steps, or speeding up purification. Our policy prevents such drift. This approach costs more, but it preserves the molecular integrity of our Praeruptorin A. Our management team stands by an open-door protocol for any suggestions or reports of deviations, which fosters both trust and practical improvements.
Waste reduction and environmental practice improve both the ethics and economic sense of our operation. Solvent reclamation streams don’t just lower costs—they dramatically decrease trace cross-contaminants between tranches. Dedicated quality personnel, trained to spot even faint yellowing or speckling, make sure no imperfect batch ever leaves our plant.
We hear from researchers frustrated by variability between sources or delayed orders lost in red tape. Direct manufacture lets us keep lead times short and eliminate the risks that come with global distributor chains. Air- and sea-freight can bring their own risks: temperature spikes, pressure changes, or customs hold-ups. Our in-house logistics team tracks every shipment temperature and transit checkpoint in real time, intervening if cold chain breaks or damage get flagged. We believe responsible chemical manufacturing cannot end at the factory gate.
Some partners demand custom documentation: DMFs, bilingual batch reports, or government attestation for local registration. Our documentation team is prepared to support these needs, drawing from a back catalog of validated templates and full analytical datasets. In regions where import controls are tight or licensure shifts quickly, advance planning and full transparency smooth otherwise unpredictable processes.
Research-driven customers often ask how we track batch-to-batch consistency beyond basic purity claims. Our answer: we keep detailed process logs, compare chromatograms, record minor parameter shifts, and use long-term stability studies to predict optimal storage. This experience built up over years supports claims, not just advertising language.
By controlling source, process, and distribution, producers can engage directly with scientists and buyers to refine both product and protocol. Our history with Praeruptorin A taught us the value of open discussion about past issues and plans for improvement. Shared know-how beats buzzwords or outsourcing any day. We supply reference samples and take feedback seriously, closing the loop for custom formulation work, pilot studies, and even regulatory submissions.
As demand trends evolve—such as the surge in interest for respiratory applications or novel drug delivery—our technical team keeps in close contact with leading academic groups to identify new benchmarks for purity, impurity profiles, or safety documentation. This ongoing dialogue drives both process improvement and research progress in the wider field.
Continuous investment in extraction and purification hardware keeps us ahead of market shifts. Modern instrumentation—the kind we run every day—delivers more consistent output with lower risk of environmental impact or labor error. Solar-assisted energy and closed-loop solvent recovery streamline production, while routine staff training keeps our technical edge sharp. By keeping production at the source and investing in local community supply chains, we see economic value returned locally and a more stable, future-proof operation.
We also prioritize environmental compliance and staff safety, tightly managing effluent and solid waste outflows and providing ongoing safety training. This work not only ensures legal compliance but creates the sort of workplace accountability that attracts and keeps skilled staff.
Researchers, buyers, and practitioners depend on reliable, honest suppliers—producers who refuse to lower standards in the face of short-term temptation. We share the same goal: a Praeruptorin A product that answers demanding quality, regulatory, and environmental benchmarks. Our results show: when the same team controls every step, the difference is easy to spot both in the lab and on the shelf.
Direct-from-manufacturer Praeruptorin A offers reliability, purity, and support that never depend on chance. Our commitment means active involvement, steady improvement, and real answers to complex challenges. By leaning on both traditional field knowledge and the best current science, we bridge the gap between authentic herbal origins and contemporary research needs—one lot, one batch, and one trusted bottle at a time.