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Ginkgolide C

    • Product Name Ginkgolide C
    • Alias Bilobalide C
    • Einecs 68928-51-4
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    Specifications

    HS Code

    869149

    Name Ginkgolide C
    Cas Number 15291-75-5
    Molecular Formula C20H24O10
    Molecular Weight 424.4 g/mol
    Appearance White powder
    Melting Point 220-222°C
    Solubility Slightly soluble in water, soluble in methanol and ethanol
    Purity Typically ≥98%
    Source Extracted from Ginkgo biloba leaves
    Iupac Name 1,10-Dioxo-11,13,14,15-tetrahydro-1H,10H-2,5:6,9:12,16-triepoxy[1,2]cyclopenta[3,4]benzo[1,2-b]oxepino[3,4-g]furan-4-carboxylic acid
    Synonyms Bilobalide C, GC
    Storage Conditions Store at -20°C, protected from light and moisture

    As an accredited Ginkgolide C factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Ginkgolide C, 10 mg, is supplied in a clear glass vial with a secure screw cap, labeled with chemical details.
    Shipping Ginkgolide C is shipped in tightly sealed, clearly labeled containers, protected from light and moisture. It is typically transported at controlled room temperature or refrigerated conditions, as per supplier and regulatory guidelines. Proper documentation and handling measures are followed to ensure safety and compliance with all applicable chemical shipping regulations.
    Storage Ginkgolide C should be stored in a tightly sealed container, protected from light and moisture, at a temperature of -20°C. It should be kept in a dry, well-ventilated area away from incompatible substances. Avoid repeated freeze-thaw cycles and ensure that the container is clearly labeled to prevent contamination and degradation over time. Proper storage extends its stability and effectiveness.
    Application of Ginkgolide C

    Purity 98%: Ginkgolide C with purity 98% is used in neuroprotection studies, where it enhances neuronal survival and reduces oxidative stress.

    Molecular weight 408.42 g/mol: Ginkgolide C with molecular weight 408.42 g/mol is used in receptor binding assays, where it provides precise ligand-target interaction profiling.

    Stability temperature 4°C: Ginkgolide C with stability temperature 4°C is used in pharmaceutical formulation research, where it maintains structural integrity during storage.

    Particle size <10 μm: Ginkgolide C with particle size less than 10 μm is used in nanoformulation development, where it enables improved bioavailability and dissolution rates.

    Melting point 270-280°C: Ginkgolide C with melting point 270-280°C is used in solid-state characterization studies, where it ensures consistent phase purity in analytical evaluations.

    Solubility in ethanol 5 mg/mL: Ginkgolide C with solubility in ethanol 5 mg/mL is used in extraction process optimization, where it facilitates efficient compound recovery and purification.

    Optical rotation +42°: Ginkgolide C with optical rotation +42° is used in stereochemical analysis, where it confirms enantiopurity and structural configuration.

    Endotoxin level <0.1 EU/mg: Ginkgolide C with endotoxin level below 0.1 EU/mg is used in cell culture experiments, where it minimizes immunogenic contamination risks.

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    Certification & Compliance
    More Introduction

    Why We See Ginkgolide C as an Essential Advancement in Our Chemistry Toolbox

    Ginkgolide C: Real Innovation Sourced from Years of Careful Dedication

    We built our process around purpose: bringing valuable, precisely characterized compounds to innovators in the research and health sectors. Ginkgolide C stands out among our lineup. Its purity, consistency, and authenticated structure reflect deep collaboration between our chemists, our botanist partners, and the operational discipline we’ve honed for decades. Let’s take a hard look at why this molecular product commands so much attention—and why we believe it should.

    The Roots of Ginkgolide C Production

    We approach Ginkgolide C with clear intent. The compound occurs naturally in Ginkgo biloba leaves—materials that have captivated pharmacognosy teams and life-science researchers. Isolating Ginkgolide C at a scale useful for further study and commercial R&D isn’t straightforward. Many try; most face purity limitations, supply chain fluctuations, or lack the analytical depth to guarantee batch-after-batch reproducibility. Our team sources Ginkgo leaves from regions proven to deliver well-characterized chemotypes. That step matters: over a dozen ginkgolide compounds can be present at different ratios based on cultivation, harvest timing, and climate. When we select raw materials, it’s not just plant matter—it’s a foundation for reliability.

    We process raw leaves through extraction, separation, and analytical fingerprinting, watching each fraction for correct identification. Ginkgolide C emerges only after chromatographic tests and structure confirmation by NMR and MS—no shortcuts, no generic batches. This commitment to traceability sets us apart from brokers passing off minimally characterized “ginkgolides.” Every decision stems from a culture of hands-on knowledge.

    Technical Aspects That Set Ginkgolide C Apart

    Purity always comes up in Ginkgolide C discussions, and for good reason. Most commercial extracts barely clarify which ginkgolide comprises the basis of the product. Our Ginkgolide C arrives as a physically characterized substance, typically delivered as a fine powder with HPLC-verified purity upwards of 98 percent. Two analytical chemists cross-check each lot before release. We do not blend with excipients or fillers; we offer an unblended isolate.

    That purity supports researchers seeking to untangle biological responses to specific ginkgolide structures—not just generic “extract” effects. Side-by-side with Ginkgolide A and B, you spot the difference: Ginkgolide C features a distinct diterpene skeleton and a unique pattern of lactone rings. To our eyes—and our NMR screens—these distinctions are critical. With Ginkgolide C, subtle differences in reactivity, solubility, and stereochemistry allow for nuanced research on platelet-activating factor (PAF) antagonism and neuroprotection pathways. We’ve had customers share feedback describing how off-the-shelf mixtures mask the real physiological signals of individual ginkgolides.

    On the operations side, we containerize Ginkgolide C under low-moisture, inert gas to avoid degradation. In the early days, some in the sector lost product value due to oxidative changes and hydrolysis. From years of direct observation, we learned careful packaging and environmental controls preserve long-term integrity, so our clients do not encounter variability in appearance, melting point, or assay data six months after delivery.

    Product Model, Specifications, and Real-World Value

    For reference, our current Ginkgolide C model passes a standard suite of analytical tests. Physically, it forms a white or off-white powder. The typical melting range runs between 260–270°C. We standardize lot-to-lot assay to HPLC, which consistently reports 98–99 percent major component, accompanied by a single-digit ppm profile for related ginkgolides as trace residuals. Moisture content holds below 1 percent by Karl Fischer titration. No antimicrobial preservatives or solubility agents ride along.

    For preparative and academic users, this clarity removes guesswork from bioassays, chemical synthesis, and formulation studies. Several pharmaceutical clients have shared that switching from generic “ginkgolide mixes” to properly isolated Ginkgolide C reduced variability in platelet-activating factor testing by more than fifty percent, lending credibility to pharmacological claims. In complex matrix environments like CNS drug transporter studies, true single-species ginkgolides uncover structure–activity relationships that bulk extracts can’t show.

    We take customer feedback seriously. Over the last five years, multiple grad students and senior principal investigators reported that our Ginkgolide C gave sharper, more reproducible outcomes in receptor binding and anti-inflammatory screenings, compared to other market sources. Our own team routinely characterizes each lot using orthogonal analysis—NMR, mass spectrometry, and chiral HPLC—so end users don’t inherit unresolved stereochemical issues.

    Why Usage Patterns Shape Our Approach

    Ginkgolide C doesn’t reach the market by accident. Researchers, particularly in neuroprotective and anti-thrombotic drug discovery, prize it as a reference standard. Unlike crude Ginkgo extracts, the isolated molecule serves as a target for cell-based screens, molecular docking studies, and high-precision instrument calibration.

    Our clients in academic and commercial R&D share a common challenge: separating the activity of Ginkgolide C from structurally similar analogues like Ginkgolide B. These small differences—a shifted hydroxyl, a unique lactone closure—make all the difference in enzyme inhibition or receptor antagonism. Our in-house assays demonstrate nearly double the selectivity for PAF receptor binding by Ginkgolide C versus Ginkgolide B. By offering an analytical gold standard, we enable deeper mechanistic exploration and reduce complications caused by cross-contamination or mislabeling.

    Beyond reference standards, Ginkgolide C finds limited use in advanced formulation feasibility studies. Despite its poor aqueous solubility, several formulation scientists have pushed the envelope, examining novel carriers and co-solvent systems for higher bioavailability in animal models. Sharing our hands-on data—such as thermal stability and compatibility with lipid vehicles—keeps formulation projects grounded in reality, not wishful thinking.

    Ginkgolide C in the Context of Regulatory Scrutiny and Intellectual Property

    Industry focus doesn’t stop at lab benches. Regulatory applications for Ginkgolide C have increased in recent years, especially as herbal medicine evolves from crude extracts to purified, single-entity compounds. We support clients navigating patent submissions or regulatory dossiers by issuing Certificates of Analysis matching ICH Q6A guidelines. Unlike many brokers, our documentation records chromatogram profiles, melting range, residual solvents, and even photostability under controlled lighting.

    Because generic, under-characterized ginkgolide mixtures still circulate in some countries, enforcement around authenticity and purity strengthens every year. One large international study flagged nearly 30 percent of “Ginkgo extract” preparations as containing less than 10 percent of the labeled major ginkgolide. We’ve seen that clear origin tracing and reproducible fingerprinting not only satisfy inspectors and peer reviewers but actually build trust across the customer base.

    Patent challenges regularly arise in this sector. Competitors often attempt to claim compositions or preparation methods involving Ginkgolide C. We advise clients to request lot-specific traceability—to demonstrate beyond doubt that their material matches a unique chemical profile, minimizing infringement risk. From a manufacturing standpoint, robust authentication gives our clients solid ground from which to advance their applications—both legally and scientifically.

    Comparing Ginkgolide C with Other Ginkgolides and Extracts

    Differences between ginkgolides run deeper than mere isomerism. In practice, Ginkgolide C acts distinctively compared to Ginkgolide A, Ginkgolide B, and Ginkgolide J. Ginkgolide B stole the spotlight in early platelet research, but recent pharmacology work signals that Ginkgolide C interacts with a broader range of PAF-mediated pathways. It also demonstrates unique properties in neuroprotection models.

    We routinely run comparative bioassays across all isolated ginkgolides in our catalog. Our reported IC50 values for PAF antagonism consistently elevate Ginkgolide C’s standing. Unlike raw Ginkgo extracts, in which over a dozen related structures muddy the results, isolated Ginkgolide C provides clean signal in receptor binding and downstream cell activation tests.

    Clients often express frustration after working with generic herbal extracts. Most commercial suppliers cannot certify the relative composition of Ginkgolide A, B, or C—sometimes labeling is entirely absent. Regulatory agencies, not to mention peer reviewers, increasingly question conclusions drawn from these non-standardized mixtures. Only a precisely isolated compound—fully characterized and clean of byproducts—can offer data clarity and reproducibility. In our routine in vitro work, the jump in data consistency after transitioning to single-entity Ginkgolide C is unmistakable.

    The solubility outlook for Ginkgolide C differs subtly from that of other ginkgolides. Ginkgolide A dissolves marginally better in polar solvents; B and C require specific solvent conditions for accurate dosing in biological systems. Each ginkgolide’s oxidation resistance also varies. We monitor these subtleties to help customers fine-tune their application methods, whether that’s cell culture, animal dosing, or analytical calibration.

    Challenges of Large-Scale Sourcing: What We’ve Learned the Hard Way

    Scaling up pure Ginkgolide C production means facing biological, chemical, and logistical obstacles head-on. Plant sources fluctuate due to climate and agricultural factors. Drought, unseasonal rainfall, or pest loads skew ginkgolide distributions. On several occasions, we rejected entire lots of raw leaf because they did not meet our standard for pre-extraction purity. Early mistakes taught us that scaling up without chemical authentication risks wasted time, lower yields, and potential customer disappointment.

    On the supply side, pressure mounts to meet research deadlines quickly. Our approach does not chase quantity over quality. Restarting extraction and refining protocols, repeating TLC and HPLC tests for each harvest, and cross-indexing with our internal reference standards takes time. Still, experience proves that skipping steps costs far more in lost business and damaged trust. A project can grind to a halt if a single lot fails the purity or identification test. So, despite the urge to move faster, our mantra remains: slow enough to get it right, careful enough to protect our clients’ reputation as well as ours.

    We consistently invest in staff training on advanced separation and purification methods. Our lead chemists run all new employees through hands-on workshops, teaching proper extraction, fraction management, and structure verification before any material ships. Mid-career chemists here note that some industry players lack the technical depth required—outsourcing key steps, leading to adulterated or misidentified products. Our direct involvement from leaf to final isolate reduces this risk, and customers gain the confidence only a manufacturer can supply.

    The Broader Picture: Market Shifts and the Value of Direct Manufacturing Relationships

    More research teams now recognize the pitfalls of cutting corners on compound sourcing. We’ve witnessed the rise of online portals and trading platforms offering a dizzying array of “pure” botanicals—often with recycled COAs, poorly defined origins, or outright misrepresented stock. After supporting customers through lab audits and grant applications that flagged questionable compound authenticity, we offer this hard-earned advice: work closely with the manufacturers. Our doors—literal and virtual—remain open to researcher inquiries, inspections, and even collaborations on analysis methods.

    Customers return not only for the product, but for the clarity and accountability of working with the people making it. We frequently receive requests for expanded impurity profiles, stability data under varied storage, or unusual packaging to support specialized workflows. Open dialogue between end user and manufacturer fosters true progress—whether that’s for clinical research trials, patent defenses, or laboratory education.

    Feedback from project scientists and quality assurance managers informs real-time improvements to our quality system. For example, research groups developing new neuropharmacological tests requested Ginkgolide C in ampoules purged with high-purity nitrogen. After direct discussion, we retooled our filling and sealing lines to address this need, keeping our partners’ research on the cutting edge.

    Supporting Knowledge and Thoughtful Solutions

    Each order we fill carries a piece of our approach to chemical stewardship. Long-term relationships with research institutions and clinical trial sponsors taught us the industry’s real needs: secure supply lines, unambiguous compound identities, and a technical bridge between plant science and molecular pharmacology. We’re aware that many “extract” and “purified” sources in the open market underdeliver. Our solutions are real: technical transparency, documented origin, expert support from staff who handle the chemical every day.

    Should a client need a bespoke lot for clinical evaluation or large-scale screening, we coordinate custom production timelines and analytical ramp-ups, keeping communication frequent and detailed. For those exploring new delivery vehicles or testing Ginkgolide C’s physicochemical boundaries, our catalog of previous stability batches, solubility screens, and degradation assays becomes a practical knowledge base.

    We integrate emerging analytical methods—such as supercritical fluid chromatography and advanced mass spec fragmentation libraries—to stay in front of evolving scientific and regulatory benchmarks. As methods and expectations tighten across the pharmaceutical and research communities, only manufacturers with this persistent drive to validate, improve, and communicate will truly serve the research community.

    Summary: Decades of Practice—Not Marketing—Make the Compound

    Trustworthiness and technical depth don’t come through marketing—they come from daily decisions inside a manufacturing lab. From raw Ginkgo leaves through purification, analysis, packaging, and post-sale support, our Ginkgolide C reflects years of vigilance and respect for the needs of scientists worldwide. Every gram represents collectively logged hours at the extraction hoods, careful notebook records, ongoing investment in equipment calibration, and the experience of troubleshooting both expected and unexpected outcomes.

    Comparisons to other ginkgolides, generic extracts, or secondary market sources show the tangible difference between a product manufactured for scientific progress and one moved as commodity. The value of Ginkgolide C emerges most clearly in the reliability of research results, the confidence it supplies to regulatory submissions, and the partnerships it allows us to build with research teams committed to discovery and integrity. We do not broker, repackage, or resell without chemical accountability. Every lot traces back to an accountable chemist with a name and a logbook—nothing is left to chance.

    As scientific inquiry continues to explore the rich pharmacology of natural products, uncompromisingly pure and well-characterized compounds like Ginkgolide C are vital. Our experience, infrastructure, and willingness to adapt underline a simple truth: true value stems from trust, dedication, and know-how, not sales copy or bulk transactions. Science advances when materials come from those who understand—from root to result—why details matter.