|
HS Code |
108136 |
| Cas Number | 568-72-9 |
| Molecular Formula | C19H18O3 |
| Molecular Weight | 294.34 g/mol |
| Iupac Name | 1,6,6-Trimethyl-10,11-dihydrophenanthro[1,2-b]furan-10,11-dione |
| Appearance | Yellow crystalline powder |
| Solubility | Slightly soluble in water, soluble in organic solvents like ethanol, DMSO |
| Melting Point | 203-205 °C |
| Purity | Typically ≥98% |
| Origin | Isolated from Salvia miltiorrhiza (Danshen) |
| Storage Temperature | 2-8 °C |
As an accredited Tanshinone 2 A factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tanshinone 2A, 10 mg, is provided in a sealed amber glass vial with a screw cap, labeled for laboratory use. |
| Shipping | Tanshinone 2A is shipped in tightly sealed, chemical-resistant containers, protected from light and moisture. Shipments comply with relevant chemical transport regulations, including labeling and documentation. Temperature and handling instructions are followed to preserve stability and safety. Only authorized carriers and handlers are used for national and international deliveries. |
| Storage | Tanshinone 2A should be stored in a tightly sealed container, protected from light, moisture, and air. Keep the compound at -20°C in a dry, cool, and well-ventilated area to ensure stability and prevent degradation. Avoid repeated freeze-thaw cycles and store away from incompatible substances, such as strong oxidizing agents. Handle with appropriate personal protective equipment. |
| Purity 98%: Tanshinone 2 A with purity 98% is used in pharmaceutical synthesis, where it ensures consistent bioactive compound formulation. Molecular weight 294.3 g/mol: Tanshinone 2 A at molecular weight 294.3 g/mol is used in metabolic pathway research, where it facilitates accurate dosing for mechanistic studies. Melting point 209°C: Tanshinone 2 A with a melting point of 209°C is used in high-temperature extraction processes, where it maintains chemical integrity under thermal stress. Particle size <10 μm: Tanshinone 2 A with particle size less than 10 μm is used in nanoparticle drug delivery systems, where it enables enhanced cellular uptake. Solubility in ethanol 25 mg/mL: Tanshinone 2 A with solubility in ethanol 25 mg/mL is used in solvent-based formulation development, where it provides improved compound incorporation. Stability at 4°C: Tanshinone 2 A stable at 4°C is used in long-term biological storage applications, where it supports extended shelf-life and preserved bioactivity. UV absorption λmax 270 nm: Tanshinone 2 A with UV absorption maximum at 270 nm is used in analytical quantification protocols, where it allows precise detection and measurement. HPLC purity 99%: Tanshinone 2 A with HPLC purity 99% is used in quality control laboratories, where it guarantees reproducible analytical results. LogP value 3.2: Tanshinone 2 A with LogP value 3.2 is used in lipophilicity assessment studies, where it predicts membrane permeability for drug design. Residual solvent <0.1%: Tanshinone 2 A with residual solvent less than 0.1% is used in clinical research material preparation, where it reduces toxicity risks for sensitive assays. |
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Tanshinone 2A carries a long legacy in natural product chemistry, tracing its roots to the roots of Salvia miltiorrhiza. Every batch we craft stays close to that origin, built not through shortcuts but through careful step-by-step conversion of raw plant material into a reliable, single-compound product. Over years, the process has shifted from old, labor-intensive extractions to more refined, cleaner synthesis and separation. Our facility does not purchase generic intermediates from outside, so what comes out reflects only the controls, checks, and accountability we maintain inside our own gates. Our model, T2A-96, delivers purity levels always above 96% and most lots reach close to 98%. Early on, inconsistent material plagued many suppliers. Repeated chromatography, slow-flow column washes, and solvent gradients became our answer to that. The goal each cycle: a uniform, rust-red crystalline powder, consistent in appearance and chemical signature.
In research and laboratory settings, details make or break an experiment. Tanshinone 2A’s chemical fingerprint influences everything from reaction predictions to repeatability. Down at the molecule, the C-15 quinone group gives it unique redox and biological characteristics. Unlike less-defined extracts or general “tanshinone” mixtures, our Tanshinone 2A gives a quantifiable setup for researchers, so side reactions or ambiguous results become far less common. Nothing feels more frustrating than finding yesterday’s control group and today’s trial act differently, only to trace that back to a differently sourced chemical. Our own headache with that, especially in collaborative multi-lab studies, shaped the way we guarantee batch uniformity. Once a year, we run full spectrum profiling across over 40 previous production runs using HPLC, TLC, and NMR to track for any baseline drift. Results keep nudging us not to cut corners. Every tiny deviation in impurity profiles adds up over long test series, which is why we continue to invest in the quiet, unglamorous work of batch-to-batch record checks and in-house bench verification.
From the point we set up our T2A-96 process line, we began seeing interest from academic pharmaceutical labs, botanical research institutes, and advanced pharmacology departments. The wide attention owes much to this compound’s potential role in natural medicine research, particularly in cardiovascular and anti-inflammatory modeling. Chemists focused on drug discovery see value in the redox potential of Tanshinone 2A, using it as a prototype or reference compound when screening new candidate molecules. Its role in apoptosis studies and tumor cell model systems keeps cropping up in published papers. Practitioners in pharmacognosy or traditional herbal medicine often need the single-molecule form, separating biological outcomes due to Tanshinone 2A from the broader collection of diterpenoids found in Salvia miltiorrhiza. Environmental toxicologists, too, have requested it for soil and water interaction studies.
Most product ends up in measured pharmaceutical granules, cell assay plates, or natural product libraries. Pure Tanshinone 2A offers much more than plant root powder in any experiment that demands measured, weight-defined, and verifiable chemical exposure. Researchers needing consistent cellular uptake and precise dosing prefer products coming directly from the original manufacturing source. Third-party repacks add their own contamination and handling risks, which often show up months later as unexplained setbacks in both in vitro and in vivo studies. Our direct supply chain keeps risk low and visibility high.
Each drum from our T2A-96 model run starts from authorized plant material traceable to source, moves through a solvent extraction phase, and ends up refined through vacuum crystallization. Our team flags every deviation in intermediate color, scent, or pre-final dryness. These small details sound minor, but over long cycles, they separate the solid from the subpar. We run spectral confirmation (NMR and MS) on every production day, not just one-off lots, because slicing that cost will end up haunting both our and our customers’ work.
By keeping all material in-house—without recourse to repack operations or offshore remelt—questions over chain-of-custody remain moot. The final powder is a uniform, deep red, crystalline product with trace solvents always below threshold and water content less than 0.5%. We hand over a spectrum hardcopy with each batch, not a spreadsheet, so researchers see for themselves that the material they hold matches published references.
Tanshinone 2A, as a pure compound, stands apart from raw Salvia extracts, semi-synthetic mixtures, and bulk blend standards. The most basic distinction lies in concentration and characterization. Whole-root powders and tinctures remain unpredictable in chemical balance, sometimes swinging by 500% or more between harvests or regions. Bulk mixtures labeled “Tanshinone” often present as a medley of diterpenoids, including 1,6-dihydrotanshinone A, cryptotanshinone, and minor analogues. Chromatograms for these lose the sharp, isolated peaks seen in our product. Many researchers run into problems using blends, spending weeks chasing down whether observed outcomes come from Tanshinone 2A or other mixed molecules. That time adds up, especially in large project cycles or multi-center collaborations where clarity is critical. We lost months in the early 2010s on failed contract jobs because of these exact mix-ups—and staked our manufacturing improvements on not repeating them.
Even among single-molecule suppliers, grade and traceability differ. We run all purification, characterization, and packaging internally. Every product bottle remains traceable to one production lot and full records of the specific crystallization batch. By contrast, resellers and traders often break down bulk shipments or rebottle, causing variance or, in the worst cases, unintentional mixing. Direct manufacturer supply allows us to stand by every unit.
For those interested in alternatives: semi-synthetic analogues of Tanshinone 2A exist. These are typically modified at functional moieties to tailor specific properties, but the tradeoff is always complexity, lower natural authenticity, and, in many cases, drift in biological response curves. Our position has always preferred the validated, single-origin approach, especially in biomedical testing.
Each batch of T2A-96 leaves our process line with purity above 96.0% by HPLC, water content under 0.5%, and solvent residues compliant with both domestic and overseas pharmacopoeia. More importantly, the color and physical form remain nearly identical lot to lot, and our in-house mass spectral readings map consistently onto published data. We do not rely on universal external standards only; over 18 reference markers from our own historical synthesis lines provide a check against both drift and false positives. Much of the material reaching the market through other channels lacks this level of ongoing comparison. Years of partnership with research teams taught us that a single misshapen peak or one unrecorded impurity causes repeated experimental failures or retractions. By building our ongoing process monitoring into our operating costs, we enable a greater degree of operational trust.
Our packaging process involves multiple layers of quality check. Sealed amber glass protects the active compound from photo-oxidation, and every bottle contains a desiccant packet tested for weight and moisture on the day of fill. Any batch failing critical points—especially in moisture or residual solvents—goes for immediate remediation. After initial drying, samples stand in a temp-and-humidity controlled vault for 14 days to prove shelf stability under worst-case transit and storage conditions. We withhold shipment on any product not matching our long-term stability data.
Lax control on intermediates and process steps haunted our operation in the early days. A decade ago, inconsistent extraction produced red dust, not true crystals. Collaborative projects ground to a halt when partners flagged unexpected impurities showing up in their reactions. One batch missed full desolvation, so a customer’s cell viability curve skewed wildly—all because of impurity masking at low levels. The failures stung; so did the phone calls and the loss of repeat orders. That is where we changed the most. Instead of running production at maximum load, we began splitting each lot into sub-batches for intermediate QC, taking the production line down for re-cleaning on any off result. Those slowdowns reduced annual output, but transparency built credibility. After five years of improved controls, those anxious complaint calls fell close to zero. Regular collaborations now run smoother and rarely get delayed due to raw material issues.
Feedback from teams working on anti-inflammatory agent libraries provided more lessons. Bulk blends from non-manufacturer sources produced inconsistent biological outcomes and, at times, contamination-by-mix. Those studies convinced us to keep our pipeline closed, rejecting third-party blending or tolling.
The broader market for Tanshinone derivatives suffers from a jumble of supply chains, off-book resellers, and a lack of traceability. We have dealt with sample mix-ups and, on rare occasions, counterfeits. Our main solution remains simple: no outside repack, no blind bulk trades. By tying every bottle to lot-specific analytical records, we allow trace-back for years after the initial run. This system saved multiple researchers from publishing results based on adulterated or off-specification compounds. We encourage direct applicator use from primary bottle, reducing cross-contamination chances.
We stay engaged with our end users. Each year, we conduct in-person and online seminars with user labs, troubleshooting common issues seen in application (solubility in carrier solvents, best handling practices, and correct storage to slow oxidation rate). Rather than let users muddle through, we treat those follow-ups as a core part of our manufacturing role—making sure that knowledge passes forward instead of errors repeating due to lack of context. One recent project identified microcrystal formation from over-evaporation during final solvent removal; team debriefs on our side led to process tweaks that now prevent the same outcome in every new lot.
The field of natural compound research cannot afford uncertainty. Breakdowns in chain of custody, inconsistent purity, or missing reference spectra stall even the best-designed project. Our approach as manufacturer centers on this directness—guaranteed control from raw input to finished bottle. We dedicate substantial resources to documenting every process stage, storing full run records both for regulatory compliance and for the open-door requests of research partners. That transparency pays back both ways: users receive not only a product, but the paper trail and batch data needed for academic or regulatory publication.
The industry marketplace is crowded with intermediates and brokers. Direct sourcing from our facility gives buyers confidence that each gram of Tanshinone 2A comes from a named chemical process, managed by staff familiar with both the theory and the practice of extraction chemistry. Our staff training includes rotating production workers through both the extraction and quality labs, so feedback on the granularity of raw material or crystal yield passes both ways—an extra step that reduces bottlenecks and improves responsiveness to customer feedback.
Many resellers make claims on paper that fall apart under real-world usage; small variations in their stocking, storage, and in-field splitting sabotage quality before the bottle ever reaches a lab. In our experience, a researcher’s confidence rises sharply when the source is traceable, questions quickly find answers, and extra support is just an email away. We measure our success not just by sales, but by how often returning users refer their peers or publish successful findings using material from our lines.
Our operations evolved alongside the needs and critiques of real-world researchers. Early feedback registered issues in powder wettability and carrier selection, lessons we used to update micronization and anti-clump protocols. We found that the best improvements came out of user-driven adjustment rather than static, top-down design. For example, slow solution uptake in some neutral organic carriers led us to adjust post-crystallization particle size. Lab tests confirmed increased solubility and uniform dispersal for test concentrations from 1 μmol to 100 μmol.
We take these kinds of observations seriously. One project flagged elevated trace metals in control screens, so we now run every lot through a final ICP-MS scan before shipment release. Some users request documentation to support grant submissions or regulatory filings—the archived spectrum and analytical records we provide routinely exceed those needs. Long-term quality depends on an attitude of mutual learning with users.
We see ourselves as more than a supply node or a product code. Our staff tracks changes in academic research, preclinical testing methodology, and the evolving standards in analytical chemistry. Many in our team come from research backgrounds, giving us perspective on how changes at the factory ripple out to the workbench and eventually to published findings. We remain open about both our strengths and the occasional missteps—mistakes quickly turn to improvements when both sides communicate with candor and shared objectives.
Over time, the relationship between our manufacturing floor and the research community shifted from transactional to collaborative. Open communication enabled us to tune product characteristics (powder consistency, bottle size, logistical flexibility) and to share insights back to the academic community—for example, toolkits to manage bulk powder rehydration and minimize oxidative drift. By responding quickly to issues as small as bottle caking or static buildup, we minimize lost time and boost research reliability.
Tanshinone 2A continues to anchor a growing segment of natural compound and pharmacological research. Our approach remains hands-on and accountable. Inside the plant, the guiding rule is to ship only product we would use ourselves in a high-stakes assay or submit to a regulatory review without hesitation. Every gram sold doubles as proof of practice and as a piece of a larger scientific puzzle. The feedback cycle between our team, partner labs, and the changing frontiers of bioscience ensures that both our product and our process stay current and credible.
For teams tackling projects in cardiovascular, anti-inflammatory, oncological, or environmental toxicology research, Tanshinone 2A direct from our manufacturing line cuts out the tangle of the indirect market. The bottle arriving on the bench bears both our commitment to quality and our confidence in open process disclosure. We continue to refine process, track every batch with care, and listen carefully to what users need—not just for compliance but for the ongoing reliability of chemical science itself.