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Celastrol

    • Product Name Celastrol
    • Alias Tripterine
    • Einecs 215-222-5
    • 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

    728379

    Chemical Name Celastrol
    Molecular Formula C29H38O4
    Molecular Weight 450.6 g/mol
    Appearance Yellow to orange powder
    Solubility Soluble in DMSO, ethanol, and methanol
    Source Extracted from Tripterygium wilfordii (Thunder God Vine)
    Melting Point 190-193°C
    Cas Number 34157-83-0
    Purity Typically ≥98% (HPLC)
    Storage Temperature -20°C
    Mechanism Of Action Inhibits NF-κB signaling pathway
    Synonyms Tripterine, Thunder God Vine extract
    Uses Anti-inflammatory, anti-tumor, neuroprotective research
    Smiles CC(=C)[C@@H]1CC[C@H]2[C@@H]3CCC4=C(C(=O)C=C5[C@@]6(CC[C@H](C6)[C@@H](C5=O)C4)C3=O)C2(C)C1

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

    Packing & Storage
    Packing Celastrol is supplied in a 10 mg amber glass vial, sealed with a screw cap, and labeled with product and safety information.
    Shipping Celastrol is shipped in secure, airtight containers to ensure stability and prevent contamination. The packaging complies with chemical safety regulations, typically including secondary containment and cushioning materials. Shipment is handled under ambient conditions unless otherwise specified, with appropriate labeling for hazardous or research-use-only substances, ensuring safe and compliant delivery.
    Storage Celastrol should be stored in a tightly sealed container, protected from light and moisture. Keep it at -20°C in a dry, well-ventilated area, away from incompatible substances. Ensure the storage area is secure and clearly labeled, and avoid exposure to heat, flame, or direct sunlight to maintain stability and prevent degradation. Handle according to standard chemical safety protocols.
    Application of Celastrol

    Purity 98%: Celastrol with purity 98% is used in anti-inflammatory drug formulation, where it ensures consistent therapeutic efficacy.

    Molecular Weight 450.6 g/mol: Celastrol with molecular weight 450.6 g/mol is used in neuroprotective research, where accurate dosing enhances test reproducibility.

    Stability Temperature 4°C: Celastrol stabilized at 4°C is used in long-term biological storage, where it maintains compound integrity for extended analyses.

    Particle Size <5 μm: Celastrol with particle size <5 μm is used in nanoparticle drug delivery systems, where improved dissolution rates enhance bioavailability.

    Melting Point 178°C: Celastrol with melting point 178°C is used in compound screening assays, where controlled thermal handling prevents degradation during processing.

    Solubility 10 mg/mL in DMSO: Celastrol at solubility 10 mg/mL in DMSO is used in in vitro cancer cell studies, where elevated concentration supports precise dose-response evaluations.

    HPLC Purity ≥99%: Celastrol with HPLC purity ≥99% is used in pharmacokinetics assessment, where high purity minimizes interference in analytical measurements.

    Optical Rotation −43°: Celastrol possessing optical rotation −43° is used in chiral pharmacology applications, where enantiomeric consistency supports reliable biological effects.

    LogP 5.4: Celastrol characterized by LogP 5.4 is used in membrane permeability testing, where high lipophilicity facilitates cellular uptake evaluations.

    Endotoxin Level <0.1 EU/mg: Celastrol with endotoxin level <0.1 EU/mg is used in immunological bioassays, where minimized endotoxin content reduces risk of assay artifacts.

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    Certification & Compliance
    More Introduction

    Celastrol: Reinventing Possibilities in Plant-Derived Compounds

    The Genuine Manufacturer’s Perspective

    Celastrol, extracted with great care from the root bark of Tripterygium wilfordii, has become an anchor in our offering of high-value phytochemicals. Our team has dedicated years to perfecting the isolation and refinement process, making sure each batch supports the trust placed in us by researchers, pharmaceutical developers, and advanced materials scientists. Our Celastrol, recognized for consistent quality and rigorous purity standards, comes in forms tailored for precision: crystalline powder, with standard particle sizes checked at several production points. This clarity in specification lets our partners focus on innovation instead of worrying about raw material consistency.

    The Heart of Our Celastrol’s Identity

    As a manufacturer, we never lose sight of what sets Celastrol apart. Leveraging expert chromatography, we refine Celastrol into a product with purity consistently reaching above 98%. We steer clear of solvent residues and byproducts. Every lot undergoes careful analysis in-house, and we regularly submit samples for verification by third-party testing labs. Our clients regularly tell us that these efforts save them time downstream; stable batches allow precise dosage and repeatable results, whether in laboratory pilot programs, large-scale pharmaceutical development, or advanced screening assays.

    Many in the industry have asked why manufactures like ours put so much work into a single plant-origin molecule. The story goes back to the fundamental properties of Celastrol. This molecule captures attention for its unique quinone methide triterpene structure. Complex, yet reproducible, its structure supports bioactivity and chemical stability across a host of research environments. We decided early to focus on Celastrol because it carried both promise and challenge—a molecule notorious for being tricky to supply at scale, yet offering benefits nobody in our research network wanted to live without.

    Experience With End-User Expectations

    Experience tells us that end-users value more than just a pure material. Pharmaceutical R&D teams, for example, have tight specifications for residual water, heavy metals, and microbial counts. We respond by employing drying and filtration control at every stage, meeting expectations for both large bulk orders and custom pilot-scale batches. Our analytics division runs HPLC, NMR, and mass spectrometry profiles for every outgoing lot, keeping complete documentation that our partners can review at a glance.

    For those using Celastrol as a biochemical tool, our direct oversight during extraction and purification pays dividends. Research groups exploring neuroinflammation, oncology, or metabolic disease report fewer batch-dependent variables. One partner, developing new delivery mechanisms, shared how much they valued the freedom from lot-to-lot variation, which allowed them to actually compare new formulation data with confidence.

    Differences From Other Plant-Derived Products

    Celastrol stands in a category of its own among natural compounds. Compared to flavonoids, alkaloids, or polyphenols, its unique triterpene backbone supports binding at multiple protein targets, making it a versatile scaffold in medicinal chemistry. From the manufacturing side, extracting high-purity Celastrol requires more specialized equipment and stricter environmental controls than simpler phytochemicals. Simple solvent extraction does not deliver; our team uses multi-step column chromatography and a series of targeted crystallizations to yield a reproducible, stable, and potent product.

    Another demarcating feature comes from batch-to-batch predictability. Synthetic plant product analogs rarely achieve the same balance of biological activity and safety profiles. Clients open to synthetic alternatives have circled back, telling us that authentic Celastrol offers a profile unattainable with modified analogs—particularly concerning toxicity, binding affinity, and metabolic fate in preclinical models.

    Why Scale and Insight Matter

    Our long-standing relationships with both domestic and overseas agricultural partners enable us to secure authentic source material year-round. This sustained sourcing guarantees that Celastrol production does not suffer from seasonal or supply disruptions, a challenge faced by many in this sector. Because we control every transition, from cultivation through final packaging, we eliminate the guesswork and variability commonly seen from traders and resellers.

    Years working directly with extraction technicians and QC chemists taught us that even minor slip-ups can introduce contamination or reduce pharmacological value. Humidity, temperature, and solvent ratios all matter. We’ve invested in on-site process analytics, automated reactors, and HEPA-filtered dry rooms, making high-purity Celastrol production a reproducible—not artisanal—process.

    Use in Research and Industry

    Pharmaceutical companies and leading academic centers purchase Celastrol from us for preclinical research, compound screening, and formulation testing. Our most active buyers are exploring protein misfolding disorders, metabolic syndromes, and inflammation at the molecular level. Celastrol’s stability lends itself well to long-term storage and transport, which is not always true for other plant-derived molecules prone to oxidation or degradation.

    Functional materials scientists have shown interest as well, exploring Celastrol as a building block for novel nanomaterials or as a tool for probing redox reactions. The biocompatibility and tunable reactivity of Celastrol, enhanced by our tight control of side products and inert packaging, make it an attractive molecule where both chemical and biological reliability matter.

    Reflecting on the Market—From Direct Observation

    Only a few manufacturers sustain reliable Celastrol output at high purity. Too often, low-grade material or mislabeled blends circulate, sourced by less scrupulous channels from exhausted root bark or outdated stocks. We have seen poorly handled material fail QC due to solvent residues, incorrect stereochemistry, or excessive bioburden. These errors flood the market with underperforming or even unsafe Celastrol, undermining trust in the entire supply chain.

    By contrast, comprehensive audits and routine side-by-side analyses of competitor samples have made us aware of the practical differences our investment in source control and purification makes. Our quality team has caught contaminants using GC-MS characterization that elude standard HPLC checks, finding traces of residual pesticides or plasticizers in materials labeled “pharmaceutical grade” from other vendors. Over a decade of internal documentation, we’ve maintained performance far above typical reference standards used by traders or third-party blenders.

    Improving Customer Experience Through Listening

    Direct conversations and regular site visits from our largest buyers have shaped every engineering and process upgrade. Our technical support staff—experienced PhDs and bench chemists, not outsourced call centers—answer questions daily about solubility protocols, formulation attempts, reagent compatibility, and downstream biological assays.

    Feedback on packaging requirements, shelf life under variable transport conditions, and requests for custom size lots have prompted us to offer everything from small, light-shielded vials for R&D labs, to inert-gas sealed bulk drums for industrial clients. Many of our regular partners indicate that such flexibility is rarely matched in the market, leading to longer collaborations and higher project success rates.

    Differences Between Genuine Manufacturing and Other Supply Channels

    Many resellers and brokers operate without direct access to source or process controls. Their products often change hands multiple times after original extraction, leading to relabeling or improper storage that can degrade Celastrol’s sensitive structure. Some resellers struggle to even describe their own production methods—critical gaps for pharmaceutical and research buyers who stake millions on consistent results.

    Here, we set ourselves apart by publishing analytic certificates for each manufacturing batch, cross-referenced with chain-of-custody logs. We accept periodic surprise audits and have lost business by refusing to supply poorly vetted material. Reputation comes not from marketing, but from doing the work: careful material acquisition, experienced handling, and an open record of analytic trustworthiness.

    The Science Beneath Practical Industry Adoption

    Celastrol’s promise as a molecular tool has grown as the global R&D community deepens its understanding of protein homeostasis, oxidative stress, and chronic inflammation. Several in vivo studies and early-stage clinical pipelines have underscored its selective inhibition profile and strong molecular signaling effects. Yet, meaningful research or clinical trial progress depends on starting with verified, uncompromised source material. Even microscopic residues—from mechanical processing or shipping—can spell the difference between reproducible science and wasted investment.

    Manufacturers with process discipline deliver Celastrol batches that trace back to verified, toxin-free plant roots, refined through food-grade solvents, and finished with pharmaceutical-grade precision. For novel applications—whether in nano-carrier technology, targeted cancer therapies, or even as a component in high-performance coatings—this level of quality gives our research collaborators a strategic edge. Lack of batch-to-batch drift cuts trial costs, improves regulatory submissions, and ultimately streamlines the innovation curve.

    Sustainability and Responsible Supply

    We work within a delicate balance, sourcing all plant material from licensed and monitored agricultural outfits dedicated to environmental stewardship. Decades of overharvesting endangered the Tripterygium wilfordii plant, so we established closed-loop relationships with growers committed to rotation planting and soil remediation. As a result, each kilo we process links directly back to a certified and sustainable origin.

    Manufacturing accountability also means minimizing chemical footprint. Recovery and neutralization of all process solvents, scrupulous effluent management, and detailed energy audits keep us on track for green chemistry certification. Unlike smaller or offshore producers, we operate within local and international regulatory frameworks, supported by transparent environmental impact reports reviewed annually. This dedication steers us clear of supply disruptions or compliance roadblocks that have sidelined less diligent competitors.

    The Unfiltered Challenges and Solutions We Have Faced

    Manufacturing Celastrol at scale takes tenacity. Despite advances in process automation, even minor raw material or environmental changes can threaten output or quality. Drought cycles or plant disease ripple across upstream suppliers. Chemical process optimization sounds sterile on paper but takes weeks of real trial and error to convert theoretical extraction yields into practical industrial runs.

    We address these complications with in-house botanical propagation expertise, hands-on supplier engagement, and robust disaster planning. Teams at partner farms test new soil supplements each season to guard against unexpected crop losses. Our production chemists train year-round, using pilot reactors to stress-test yield and purity under fluctuating source conditions. We keep extra buffer inventory on hand for critical customers, holding ourselves to continuity of supply regardless of external shocks.

    Tools like cloud-based track-and-trace datasets, automated impurity screens, and high-throughput analytic workflows empower both efficiency and transparency. Challenges remain, but with every batch, we reinvest in upgrades—building in both process data and human know-how to raise the bar for what customers expect from a genuine manufacturer.

    Practical User Guidance and Upstream Support

    Direct users of our Celastrol product, especially formulation teams in pharma and biotech, need more than raw material. They ask for up-to-date analytical protocols, solvent compatibility information, and troubleshooting advice on formulation behavior. Our support includes access to documented test cases drawing from real batches, helping partners scale from milligram-level pilot work to full production demands.

    Advanced users, especially in academic and government labs, take advantage of our summarized structure-activity data and storage best practices—knowledge built from decades of batch monitoring and storage experiments. Fielding daily queries about powder solubility, thermal stability, and carrier selection, our technical service scientists routinely help resolve bottlenecks before they stall research progress.

    Regulatory Readiness and Documentation Depth

    By running full trace documentation for every outgoing batch, and offering GMP-compliant data for clinical users, we strive to match not just current regulatory standards but anticipated developments. Our regulatory affairs team monitors emerging global requirements, from substance import/export controls to pharmacological excipient definition. Full documentation packages—NMR, HPLC, MS, TGA, and impurity profiling—reduce delays for our partners during regulatory filings.

    Research-backed white papers and joint studies, reflecting years of supply to major international labs, support submissions and grant applications. In this competitive landscape, timely and flexible documentation gives our clients an edge not available through distributors lacking manufacturing foresight.

    Continued Evolution: Building for Tomorrow’s Needs

    We treat Celastrol production as both a scientific pursuit and an exercise in operational excellence. Each feedback cycle from a customer, regulatory review, or research breakthrough leads us to re-evaluate process parameters and analytical controls. By fostering close contacts with academic and industry leaders, we often shape R&D priorities and share insight early—making our Celastrol not just a chemical, but a collaborative resource for innovation.

    Internal R&D programs push the boundaries on purification techniques, novel formulations, and stability optimization. Cross-industry partnerships fuel exploration in new fields, from green catalysis to biocompatible surface engineering. Each milestone advances both our understanding and the integration of Celastrol into established and emerging markets.

    Why Quality Matters—A Manufacturer’s Final Word

    Every Celastrol package shipped represents more than processed biomass or a HPLC certificate; it carries the weight of our judgment and the outcome of our continuous improvement. Colleagues and clients alike demand reliability and scientific transparency, qualities that serve as true differentiators amid an industry crowded by generic suppliers. We put our name, and decades of manufacturing experience, behind every batch—because the people counting on our product deserve nothing less.

    Celastrol’s journey from toxicologically complex plant extract to a repeatable, high-value asset in the hands of global researchers is not accidental. It draws on investment in technical infrastructure, relationships built on openness, and a relentless drive to exceed expectations, batch after batch. For customers seeking consistency—scientifically, operationally, and ethically—the true manufacturer’s approach stands clear.