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Cianidanol

    • Product Name Cianidanol
    • Alias (+)-Catechin
    • Einecs 205-087-5
    • 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
    VTB
    Specifications

    HS Code

    774902

    name Cianidanol
    synonyms (+)-Catechin, Cyanidanolum
    chemical_formula C15H14O6
    molecular_weight 290.27 g/mol
    CAS_number 225937-10-0
    appearance White to off-white crystalline powder
    solubility Soluble in water and alcohol
    pharmacological_class Flavonoid
    medical_use Hepatoprotective agent
    route_of_administration Oral
    mechanism_of_action Antioxidant properties, stabilizes liver cell membranes
    ATC_code A05BA04

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

    Packing & Storage
    Packing Cianidanol is packaged in a sealed, amber glass bottle containing 100 grams, labeled with hazard warnings and storage instructions.
    Shipping Cianidanol should be shipped in tightly sealed containers, protected from light, moisture, and extreme temperatures. Use appropriate hazardous material labeling if required. Ensure compliance with local, national, and international shipping regulations. During transit, handle with care to avoid leakage or contamination, and provide safety data sheets (SDS) with the shipment.
    Storage Cianidanol should be stored in a tightly closed container, protected from light and moisture. Keep it in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizers. Store at room temperature and avoid excessive heat. Ensure proper labeling and limit access to authorized personnel to maintain safety and chemical integrity.
    Application of Cianidanol

    Applications of Cianidanol in Industrial Manufacturing

    As a trusted global manufacturer of Cianidanol, we collaborate directly with industry leaders to supply high-purity material for advanced downstream applications. Our technical expertise and process consistency support regulated producers in achieving precise product performance and compliance across highly specialized sectors. Below, we detail primary industrial uses where Cianidanol is established as a critical functional raw material.

    1. Active Pharmaceutical Ingredient Manufacturing – Hepatoprotective Formulations

    In the pharmaceutical sector, Cianidanol is primarily utilized as a bioactive substance for liver-protecting tablet and capsule preparations. Our GMP-compliant production ensures consistent quality to facilitate scale-up for both generic and branded drugs. The material undergoes stringent in-process analytical control to meet pharmacopoeial guidelines throughout blending, granulation, and tableting in oral solid dose lines. Downstream manufacturers carefully set dosage based on defined clinical endpoints and adjust formulation to align with regulated release profiles for differentiated markets.

    Industry compliance standards

    • China Pharmacopoeia (ChP) Monograph
    • European Pharmacopoeia (Ph. Eur.) Hepatoprotective API specifications
    • Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients (ICH Q7)
    • WHO Prequalification of Medicines Programme requirements where applicable

    Typical usage ratio

    • Standard dosage form levels: 50–200 mg per tablet/capsule, corresponding to 20–45% of the total formulation mass in low-excipient platforms; dosing adjusted based on bioequivalence target and tablet hardness requirements.

    Downstream process integration

    • Added during main blending step with direct compression excipients or integrated after wet granulation phase; undergoes final particle size reduction prior to blending for content uniformity.

    Final product types

    • Prescription oral tablets for chronic hepatitis therapy
    • OTC liver protection capsules
    • Modified-release oral solid forms
    • Fixed-dose combination products

    2. Nutraceutical Ingredient for Functional Food Supplements

    Cianidanol sees broad adoption in the dietary supplement industry, where it functions as a plant-derived antioxidative ingredient supporting liver wellness and metabolic health. Downstream partners integrate it into capsules, effervescent tablets, and instant beverage powders targeting consumer lifestyle needs. Accurate addition and careful mixing are critical to ensure homogeneous dispersal and batch uniformity, particularly for high-density or complex blend matrices. Final content adjusts for regional health claim regulations and intended consumer segment.

    Industry compliance standards

    • US Food and Drug Administration (FDA) Dietary Supplement regulations (21 CFR Part 111)
    • EU Regulation (EC) No 1924/2006 on Nutrition and Health Claims
    • China Food Safety National Standards for Nutritional Supplements
    • ISO 22000 Food Safety Management System

    Typical usage ratio

    • Common inclusion: 0.5–1.5% w/w in capsule or tablet premixes; up to 2.0% in functional beverage powders. Content varies based on target daily intake and local maximum allowed usage limits.

    Downstream process integration

    • Incorporated during dry blending of plant extracts and micronutrients, before tableting or encapsulation; for beverage powders, added during bulk blending, followed by automated sachet packing or jar filling.

    Final product types

    • Liver health dietary capsules
    • Antioxidant-complex effervescent tablets
    • Instant drink mixes marketed for detox support
    • Multipurpose nutritional blends

    3. Botanical Reference Standard for Analytical Laboratories

    Specialty labs and herbal pharmaceutical manufacturers employ Cianidanol as a quantitative reference compound for the analytical identification, quality control, and standardization of milk thistle and other plant-derived preparations. The material’s high purity and documented traceability enable precise calibration of HPLC, UPLC, and capillary electrophoresis systems. Downstream workflows require exact weigh-outs and dissolution prior to validation, underpinned by SOPs aligned with regulated method requirements.

    Industry compliance standards

    • United States Pharmacopeia (USP) Herbal Medicines General Chapter
    • European Medicines Agency (EMA) Guidelines on Quality of Herbal Medicinal Products
    • ISO/IEC 17025 Testing and Calibration Laboratories
    • Chinese Pharmacopoeia Standard for Flavonoids

    Typical usage ratio

    • Employed at microgram-to-milligram scale as a standard solution; typical calibration concentrations range from 0.1–2.0 μg/mL, determined by analytical method sensitivity and plant matrix complexity.

    Downstream process integration

    • Prepared as a working standard for calibration curves and spike recovery during HPLC/UPLC/QC release; dissolved in methanol or water under controlled conditions to ensure chemical integrity.

    Final product types

    • Certified reference standards for laboratory controls
    • Quality control testing kits for herbal extract analysis
    • Plant authentication products for regulatory submissions
    • Standardization reagents for phytochemical assay validation

    4. Functional Cosmetic Ingredient in Skin Care Formulas

    The cosmetic industry uses Cianidanol as an antioxidative and soothing botanical active in advanced skin care formulations. It plays a targeted role in anti-pollution serums, day creams, and dermocosmetic solutions marketed for environmental stress defense. Manufacturers integrate the compound during the cold blending or post-emulsification phase, ensuring compatibility with sensitive actives and avoiding thermal degradation. Typical performance assessment includes in vitro antioxidant capacity and photostability before final formula approval.

    Industry compliance standards

    • EU Cosmetic Regulation (EC) No 1223/2009
    • China’s Technical Safety Standard for Cosmetics
    • ISO 22716 Cosmetics — Good Manufacturing Practices (GMP)
    • FDA Voluntary Cosmetic Registration Program (VCRP) for international exports

    Typical usage ratio

    • Recommended addition: 0.01–0.2% w/w in final emulsion systems; formulators may adjust up to 0.4% for high-impact anti-oxidant lines, observing regulatory concentration limits for active ingredients.

    Downstream process integration

    • Dispersed during post-cooling or final phase blending to maintain chemical stability; incorporated after emulsifier and carrier oil phase for even distribution and to avoid deactivation of labile actives.

    Final product types

    • Urban anti-pollution face serums
    • Dermatological soothing creams
    • Protective day moisturizers
    • Skin barrier recovery gels
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    Certification & Compliance
    More Introduction

    Cianidanol: A Reliable Ingredient Backed by Years of Production Experience

    Genuine Manufacturer Perspective on Cianidanol

    Cianidanol, also known in the research world as (+)-Catechin, has played an unmistakable role across pharmaceuticals and advanced materials for decades. With our focus on substance purity, consistent performance, and traceability, we approach the production of Cianidanol with an attention to process controls that can only come from direct manufacturing experience rather than mere handling or warehousing. Our approach always follows a simple philosophy—materials used as active pharmaceutical ingredients must deliver absolute reproducibility, clear analytical documentation, and the kind of stability which supports complex, scaled operations.

    Model and Specifications Grown from Direct Synthesis

    Cianidanol is best recognized by its CAS number (154-23-4) and molecular formula (C15H14O6). The product as we release it is generally in a fine, off-white powder form, with a melting range between 175 and 178°C for every lot we ship. Every kilogram is supported by a complete chromatogram and crystallinity inspection, so the process leaves no guesswork over impurities, degradation, or variance in stereochemistry. It’s not enough to rely on a single assay; over years of feedback from formulation labs and QA inspectors, we’ve learned that tight control of the moisture specification (<=0.5% by Karl Fischer), a loss on drying of under 1%, and a residual solvent panel free from toluene, dichloromethane, and other chlorinated solvents marks the difference between workable powder and recurring batch headaches on the customer side.

    Particle sizing matters more than most suppliers realize. Over the years we have adjusted our standard mesh cut (mostly staying below 80 mesh, sometimes as fine as 120 mesh) to suit direct tablet pressing and easy mixing into syrup bases without agglomeration. Particle size uniformity comes from closed-system micronization, not after-the-fact sifting. These small process details shave hours from downstream QC and speed up validation runs for formulation teams.

    Real-World Usage: What Cianidanol Brings to the Table

    Cianidanol transforms more than just test tubes. In pharmaceuticals, it appears frequently as an ingredient in liver protection drugs, blood vessel protectants, and as an antioxidant in a number of research-backed therapies. What most whitepapers skip is actually proven in everyday plant work—true Cianidanol needs to survive transit, storage, and repeated sampling without color shift, caking, or hydroxylamine-driven decomposition. Experience on shipping floors and in formulation bays means we focus on double-sealed packaging (polyethylene liners inside antistatic containers), desiccant integration in each drum, and clear shelf-life guarantees backed by accelerated aging data.

    Every process engineer faces solubility questions. Cianidanol, at the purity we manufacture, dissolves in ethanol and warm water, allowing for both oral and topical formulations. Anything less pure risks undisclosed binders or color bodies leaching out. We’ve seen how non-manufacturer sources sometimes introduce material with hint-yellow tints, or faint particulate matter that compromise bioavailability in microdose applications. Consistency batch after batch forms the backbone of any trustworthy drug development program.

    Comparison with Other Compounds: Insider View on Differences

    Working directly with extraction, synthesis, and scale-up, we’ve witnessed the many choices customers face. Many new R&D scientists ask about differences between Cianidanol and other flavanols, especially the wide assortment of catechins sourced from botanical extractions. Botanically sourced catechins bring with them a jungle of minor components—some beneficial, some unpredictable. Synthetic Cianidanol, produced in our plants, is reproducible in its chiral purity and free from plant-based alkaloids or tannin carryover. Purity checked by HPLC and direct chiral analysis rules out the possibility of inactive or less active isomers sneaking into high-value projects.

    Another area of confusion arises with possible substitutes like epigallocatechin gallate (EGCG) or procyanidin-rich mixtures. EGCG, though similar in antioxidant activity, crystallizes differently, melts at a lower temperature, and brings a sharper astringency in injectable or liquid oral products. Those years handling bulk deliveries and responding to customer feedback painted a clear picture: switching between active flavanols for cost, without understanding their mechanical properties or peroxide stability under process conditions, ends up sacrificing shelf life or process yield. Cianidanol, in our standard model, avoids these pitfalls because it's designed for the rigors of scale—not just for optimal performance in a single application, but for broad adaptability in both low- and high-throughput manufacturing environments.

    Quality Control: What Sets Direct Manufacturing Apart

    We often discuss quality control as a set of values, but in practice, it means never cutting corners on any stage from synthesis to drum closure. Even small differences—like using ultra-high-purity reagents during the flavan-3-ol formation step, or checking for trace metallic residues left by process piping—can flip a batch from pharmaceutical-grade acceptance to costly rejection. Decades on the plant floor have taught our teams where real risks lie. Moisture migration during storage in humid conditions, accidental photodegradation from warehouse skylights, or oxygen ingress after improper liner sealing—each of these become crisis points if not engineered out from the beginning.

    We recall multiple instances where competitors shipped off-grade Cianidanol with crystalline inclusions or residual solvent levels right at regulatory thresholds. Customers were forced into time-consuming retesting, sometimes even disposal. Lessons learned here shape every SOP and training manual in our own facilities. We limit deviation from specification to a fraction of the industry norm. On the analytical side, equipment selection also makes a difference; we only release batches that pass both liquid and gas chromatography checks, and we track comparative data on every lot for at least five years.

    Sustainability Built into Process—and Why It Matters

    Long-term reliability in chemical supply doesn’t come from accident, or from chasing price wars. It emerges from a commitment to sustainable manufacturing—and this only works when the producer has full visibility over upstream raw materials and downstream logistics. As we’ve integrated closed-loop solvent recovery and reduced our overall energy footprint, our plants have aligned to international sustainability benchmarks, not just to tick boxes for audits, but to meet the expectations set internally by our technical teams. Real waste reduction comes from reaction optimization (including shortened reaction cycles and minimized byproduct loads), not just from downstream clean-up.

    Direct control also allows us to respond to shifts in regulatory regimes and environmental standards in real time. Years ago, limits tightened on heavy metals in finished pharmaceuticals. Our in-process controls meant no changes were needed, while other market players scrambled to retrofit filtration and testing. Actual manufacturer experience delivers peace of mind to end users because every improvement feeds back into product reliability—what you get this year matches last year, and every improvement finds its way into later lots, not just in glossy reports, but in packaging and documentation that regulatory auditors accept without hesitation.

    Application Experience from the Field

    Some of the most insightful lessons come from feedback loops with formulators and end users. We’ve supplied Cianidanol to producers developing oral tablets, solutions, and ointments for decades. Customers frequently ask how granular flow properties, bulk density, or even static charge behaviour impact their own blending or tablet pressing. Because we control every aspect—from crystallization parameters right through to antistatic liner selection—we can offer technical advice rooted in actual production outcomes.

    Pharmaceutical researchers have relied on our product’s low impurity profile to ensure compliance in increasingly rigorous global regulatory submissions. With our logistics partners, we have pioneered batch tracking which allows real-time updates and chain-of-custody documentation, so nothing gets lost in translation, whether a drum ships out by temperature-controlled container or stores for months in a hospital pharmacy.

    Through years of collaboration, our early adopters have reported measurable advances in clinical consistency, improved antioxidant effectiveness in double-blind studies, and a general absence of processing-related side effects that sometimes appear in off-brand or non-manufacturer-sourced flavonoids. These findings shape not just marketing claims, but decisions made on the production line—setting granule size, refining drying stages, adjusting packaging thickness, and more.

    Challenges Addressed During Production and Delivery

    Every so often, external shocks—new regulatory lists, or sudden global transport disruptions—test the flexibility of the supply chain. During the pandemic years, we encountered direct hits to both input chemical availability and regional port access. Supplier relationships woven over decades allowed us to prioritize key pharmaceuticals and maintain consistent, timely shipments of Cianidanol, even as other producers reported rolling delays. The reality is that direct manufacturers offering full transparency and clear documentation keep the promises made to their customers, where third-party handlers can only offer reassurances based on stock levels or outside sourcing.

    Logistics reliability doesn’t stop at timely shipping. Because degradation after exposure to heat or moisture can ruin an otherwise perfect batch, our team developed protocols for container selection, labeling, and even pallet wrapping. Real-world use brings up unforeseen issues—static buildup during winter deliveries, low-pressure conditions messing with tightness of drum seals, or container condensation during sudden ambient temperature changes. Change management here is not about theory; it is a response to phone calls from plant engineers and lab staff working with actual shipments, often under time pressure. Manufacturer experience here makes the crucial difference.

    Documented Traceability Supporting Trust

    Trust isn’t built overnight. Every container leaving our plant carries a full certificate of analysis, plus multi-point lot tracking which allows any user—researcher, QA officer, or shipping agent—to trace back every gram of Cianidanol to its original process batch, with matching analytical data archived for years. Supply audits by healthcare NGOs and government buyers regularly take random samples from our drums. Confidence never comes from promises alone. It emerges from pattern recognition—every new customer, returning after a first shipment, has access to identical process documentation, clear batch history, and assurance that nothing has changed just for show.

    Our records go deeper than warehouse barcodes. From initial raw material reception, through processing, drying, QA, to final closure and dispatch, our internal systems record every staff signature and instrument reading. We welcome customer visits and independent third-party audits, and view them as a constructive engine for ongoing improvement. Only manufacturers with nothing to hide can build this kind of open-door recordkeeping.

    Feedback Loops Between Producers and Users

    Direct producers like us see user feedback loops not as interruptions, but as sources of ongoing process evolution. For example, suggestions from two different clients about issues with drum opening in low-temperature storage prompted us to re-engineer our lid seals for easier handling with gloves. Reports from pharmaceutical formulation trial groups regarding rare clumping cases after long-term storage under humid, uncontrolled environments guided us to refine moisture barrier integration without adding cost or bulk to packaging.

    Continuous communication goes both ways. Feedback about sensory characteristics—such as mild odor, or ease of dispersion—directed in-process checks to new parameters. Lab visits to end-user sites revealed unforeseen vial clogging on high-speed filling lines, so we changed out sifter mesh for those lots without waiting for full-cycle process reviews.

    Nothing substitutes for on-the-ground observation. Through regular check-ins, technical support, and a willingness to send technical staff onsite to investigate challenges, we transform everyday user experience into process improvement. This philosophy doesn’t materialize overnight; it takes years investing in direct customer relationships and an unwavering dedication to material quality improvement.

    Future Outlook: Maintaining Standards in a Changing Market

    Looking ahead, the marketplace for Cianidanol grows more complex. As demand rises in both heritage pharmaceutical houses and new technology platforms exploring advanced biomaterials, pressure builds on suppliers to offer product at volume without slip in final quality. Supply chain disruptions, regulatory protocol shifts, and ongoing scrutiny from consumer watchdogs and regulatory agencies threaten to upend unprepared suppliers.

    Our experience has taught us one core lesson: only those with complete command over their own process, and with the ability to troubleshoot, optimize, and support every stage—not just a fragment of the supply chain—will continue to deliver the Cianidanol quality standards that large-scale users require. The easy path is to source or relabel material from third-party producers; the hard path (which we continue to follow) is to invest in education, rigorous batch documentation, layered quality controls, and customer support long after shipment.

    Cianidanol, as a compound, deserves this level of respect. At the production level, process mastery makes the difference between a promising line on a product brochure and an ingredient chosen year after year for products that truly matter—whether for human health, advanced formulations, or continued technical innovation.

    Why Direct Manufacturing Still Matters

    A manufacturer’s direct relationship with Cianidanol is a daily lived experience. The depth of feedback collected, dozens of real-world batch records reviewed, and thousands of drums shipped, checked, and re-checked—these underpin every customer claim and every technical discussion. Regardless of competitive market pressure or the shifting scope of scientific research, we keep our focus on one principle: every kilo of Cianidanol stands up to scrutiny, performs as intended, and carries a story of methodical care from precursor to package.

    Working from within the production line—with every sensor reading, each staff note, each minor process tweak logged and learned from—our company brings more than just product to the market. We deliver trust earned by consistency and transparency. Over time, this shapes not just technical standards for Cianidanol but also the expectations of everyone who works with active pharmaceutical ingredients, day in and day out.