Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Cis-Caffeic Acid

    • Product Name Cis-Caffeic Acid
    • Alias 3,4-Dihydroxycinnamic acid
    • Einecs 210-844-4
    • 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
    VTB
    Specifications

    HS Code

    588220

    name Cis-Caffeic Acid
    chemical_formula C9H8O4
    molecular_weight 180.16 g/mol
    CAS_number 73570-02-6
    appearance Yellow crystalline solid
    solubility Soluble in water, ethanol, and DMSO
    melting_point 200-202 °C
    IUPAC_name (2Z)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid
    pubchem_cid 5351212
    synonyms 2-cis-Caffeic acid, cis-3,4-Dihydroxycinnamic acid

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

    Packing & Storage
    Packing Cis-Caffeic Acid is packaged in a 1-gram amber glass vial, sealed for light protection and labeled with product details.
    Shipping Cis-Caffeic Acid is shipped in tightly sealed, chemically resistant containers to prevent contamination and degradation. The package is clearly labeled and protected from light and moisture. During transit, it is handled under ambient conditions unless otherwise specified, complying with safety regulations for non-hazardous, research-use-only chemicals.
    Storage Cis-Caffeic Acid should be stored in a tightly closed container, protected from light, moisture, and air to prevent oxidation and isomerization. Store at -20°C in a dry, well-ventilated place. Prolonged exposure to heat, light, or humid conditions may degrade the compound. It is recommended to handle under inert atmosphere if high purity is required for sensitive applications.
    Application of Cis-Caffeic Acid

    Applications of Cis-Caffeic Acid in Industrial Manufacturing

    Cis-Caffeic Acid serves specialty roles as a fine chemical intermediate in specific technically advanced downstream processing. As a direct manufacturer, we support volume users across focused application segments where traceability, compliance, and trace-level quality benchmarks are strictly regulated and controlled throughout the supply chain.

    1. Parenteral Pharmaceutical Antioxidant Formulations

    Injectable pharmaceutical preparations utilize Cis-Caffeic Acid as a protective antioxidant in parenteral solutions susceptible to oxidative degradation, especially those containing biologic APIs or vitamins. This ingredient demands controlled integration due to regulatory scrutiny around parenteral excipients and strict residual limits. We supply this grade only to manufacturers operating GMP-compliant injectable facilities with validated analytical methods to confirm impurity profiles and residuals batch by batch.

    Industry compliance standards

    • USP-NF guidelines for injectable excipients
    • European Pharmacopoeia (Ph. Eur.) monographs on antioxidants and excipients
    • 21 CFR Part 211 (US FDA Current Good Manufacturing Practice for Finished Pharmaceuticals)
    • ICH Q3C/Q3D on residual solvents and elemental impurities

    Typical usage ratio

    • 0.01–0.03% by weight of total parenteral formulation; final concentration optimized to minimal threshold necessary for oxidative protection based on in-solution stability and compatibility studies

    Downstream process integration

    • Dissolved in the aqueous phase during compounding; filtered and subjected to release and sterility checks before aseptic filling of vials or ampoules

    Final product types

    • Single-use IV solutions (e.g., vitamin C, amino acid solutions)
    • Pre-filled syringes containing reconstituted protein drugs
    • Small-molecule injection dose forms for hospital and clinical administration

    2. Food Contact Antioxidant Coatings for Metal Packaging

    Food packaging manufacturers employ Cis-Caffeic Acid as a natural-origin antioxidant additive in water-based polyester and epoxy can coatings, especially in regulatory markets emphasizing migration safety for food contact materials. This application targets extended shelf life for high-fat or acid foods without introducing synthetic stabilizers, with critical analysis of polymer compatibility, migration thresholds, and heat stability during curing cycles. Only fully traceable, food-contact compliant grades support this end use.

    Industry compliance standards

    • European Regulation (EC) No 1935/2004 for food contact materials
    • U.S. FDA 21 CFR 175.300 for resinous and polymeric coatings
    • China GB 9685 standard for additives in food contact materials
    • BfR Recommendation XV on coatings for food cans

    Typical usage ratio

    • 0.05–0.10% calculated on total coating solids for interior food can linings; dosage adjusted by accelerated migration testing and crosslink density in cured films

    Downstream process integration

    • Dispersed into resin blend prior to pigment and crosslinker addition, then applied by coil coating, followed by thermal curing above 180°C

    Final product types

    • Internal linings for food cans and beverage containers
    • Lacquered metal lids for pasteurized food products
    • Sanitary drum coatings for edible oils

    3. Botanical-Based Cosmetic Formulations (Leave-On & Rinse-Off)

    R&D-driven cosmetic brands utilize Cis-Caffeic Acid as a plant-derived antioxidant in advanced skincare and personal care lines, targeting protection against atmospheric oxidative stress and UV-induced free radicals. Regulatory teams must ensure clean safety dossiers, skin tolerability data, and INCI compliance for global market launches. We ship cosmetic grades with validated allergen, impurity, and heavy metal profiles to support downstream GMP manufacturing, emphasizing dermal safety and microbiological purity.

    Industry compliance standards

    • EU Regulation No 1223/2009 on cosmetic products
    • US FDA Voluntary Cosmetic Registration Program (VCRP)
    • ISO 22716 (Cosmetic GMP)
    • Japan MHLW standards for cosmetic ingredients

    Typical usage ratio

    • 0.02–0.15% in finished cosmetic emulsions, serums, or gels; concentration set after preservative challenge testing and in vitro skin compatibility

    Downstream process integration

    • Introduced in cool-down phase post-emulsification or at final blending; protected from excess light and oxygen until filling

    Final product types

    • Facial creams and lotions with natural antioxidant claims
    • Rinse-off shower gels and shampoos targeting environmental defense
    • Sunscreen adjuvants for enhanced photostability
    • Premium anti-aging serums

    4. Nutritional Supplements and Functional Foods

    Health-food supplement manufacturers use Cis-Caffeic Acid in tablet, capsule, or beverage powder blends intended for the adult wellness segment, leveraging its botanical status and antioxidative protection appeal. Since regulatory tolerance varies by market, QA and QC at the final formulation stage focus on ingredient purity, label claim verification, and anti-adulteration controls per relevant food safety standards, particularly for nutraceuticals sold via pharmacy or e-commerce channels.

    Industry compliance standards

    • US FDA 21 CFR Part 111 (Dietary Supplement cGMP)
    • EFSA Guidance for food supplement ingredients
    • Chinese GB 16740 for health foods
    • FSSC 22000 Food Safety System Certification

    Typical usage ratio

    • 5–50 mg per serving, depending on regional regulatory maximum permitted levels and labeled antioxidant activity; usage tuned by stability studies and bioactive content per batch

    Downstream process integration

    • Wet granulation or direct compression for tablets, or dry blending for instant beverage powders; monitored for homogeneity, desiccation, and avoidance of high-temperature processing

    Final product types

    • Direct-compression antioxidant tablets
    • Powdered nutritional drink mixes targeting adults
    • Capsules for dietary supplement regimens

    5. Analytical Reference Standard Development

    Specialty labs and reference standard manufacturers purchase ultra-high-purity Cis-Caffeic Acid as a calibration and validation standard for HPLC, LC-MS, and other chromatographic assays. This ultrapurified grade allows trace analysis in botanical authentication, food antioxidant content determination, and clinical biochemistry research. Downstream QC includes absolute purity ≥99.5%, proven stability profiles, and full documentation for regulatory and scholarly use.

    Industry compliance standards

    • ISO/IEC 17025 calibration laboratory requirements
    • USP Reference Standard protocols
    • European Pharmacopoeia Reagents and Reference Standards

    Typical usage ratio

    • Used as primary or secondary calibration standard at 0.1–10 μg/mL depending on the detection method and matrix complexity; prepared in validated diluent systems

    Downstream process integration

    • Weighing and solution preparation in ISO-accredited labs; storage under controlled humidity and temperature until analysis; packaged in leak-proof vials under inert gas for shipment

    Final product types

    • Reference standard solution ampoules
    • Certified analytical standard powders
    • Calibration mixes for method development and validation
    Free Quote

    Competitive Cis-Caffeic Acid prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing Cis-Caffeic Acid: From Our Lab to Your Application

    What Sets Our Cis-Caffeic Acid Apart

    As a chemical manufacturer, every product on our roster has a backstory built in the halls of our own plant, and cis-caffeic acid is no exception. We know this compound inside out because we synthesize it using reliable, hands-on methods developed through years of iteration and careful process control. Controlling isomer composition calls for both precision and patience, and that effort pays off when our customers open the drums and see a fine, high-purity powder on every delivery.

    Achieving a consistent cis-isomer profile means handling every batch with a chemist’s eye for detail instead of treating it as just another bulk order. Cis-caffeic acid doesn’t show up on every catalog page, and even among manufacturers, reproducibility often falls short due to its sensitivity to environmental factors during synthesis. We choose our solvent systems, atmospheres, and purification techniques based on real experimental feedback rather than hand-me-down literature recipes. We don’t ship anything out until it passes both spectroscopic analysis and direct functional testing—so each order stands up to the scrutiny of those who know the difference.

    Understanding the Chemistry Behind Cis-Caffeic Acid

    On a molecular level, cis-caffeic acid distinguishes itself from its more common trans counterpart by the spatial arrangement of its side chains. While both share the same formula, their structural geometry impacts everything from reactivity to solubility. Many laboratories and industries overlook cis-caffeic acid, gravitating instead to the trans form, but researchers serious about pathway specificity or those keen on mimicking natural stress responses in plants regularly look for the cis isomer. Our batches contain less than one percent trans-isomer according to HPLC baseline comparison—an achievement only possible with an in-house synthesis route, not simple bulk separation or repacking.

    Decades of bench chemistry have shown us that minor isomeric differences can shift enzyme recognition, alter antioxidant potential, or change the dynamics in cell-based assays. The industry borrows a lot from natural product chemistry, yet rarely confronts the challenge of cis-trans isomer separation at scale. We embraced it early, realizing that bioactivity screens or QSAR data often draw erroneous conclusions when isomeric purity slips. Supplying a genuinely pure cis-caffeic acid isn’t just a matter of compliance; it’s about letting our clients get unambiguous results, experiment after experiment.

    Physical Characteristics and Handling Insights

    Our cis-caffeic acid is supplied as a finely divided crystalline powder, designed for accurate weighing and rapid dissolution under a variety of conditions. It maintains a pale, off-white to light tan color, which signals clean purification and low polymeric byproduct. Moisture content stays tightly controlled, below 0.5% by Karl Fischer, as excess water triggers unwanted isomerization or degradation. You’ll find it dissolves efficiently in standard laboratory solvents—aqueous buffers, DMSO, methanol—at concentrations suitable for most assay setups.

    One thing we notice, and often have to emphasize, is the difference between shelf-life expectations and real chemical stability. Cis-caffeic acid needs protection from light and heat, otherwise, weeks in a sunlit storeroom or uncontrolled warehouse can drive it toward the more thermodynamically stable trans configuration. Packaging in opaque, nitrogen-flushed containers ensures each shipment arrives at the spec our partners expect. These are not just theoretical precautions, but practical responses to what happens in real research settings. Users who follow these guidelines find their assay results remain consistent throughout the lifespan of the product.

    Applications That Demand Our Approach

    We support researchers and manufacturers who take stereochemistry seriously—whether they’re modeling plant stress pathways, developing high-performance antioxidants, or investigating bioavailability in nutraceutical or cosmeceutical products. Some clients work on pesticide alternatives or growth stimulants in agriculture, where the specific isomeric form of caffeic acid defines biological results. Our material factors into enzyme inhibition studies, antioxidant profiling, and even the fine-tuning of redox-active systems in vivo and in vitro.

    Pharmaceutical developers turn to our cis-caffeic acid for its distinctive reactivity profile; slight differences in three-dimensional structure can influence metabolic pathways or receptor affinities. Crowded analytical labs rely on clean stereochemistry to track metabolites or generate authentic reference standards. In cosmetic R&D, cis-caffeic acid’s impact on tyrosinase or collagenase activity opens new directions for formulations. Across these sectors, two concerns keep coming up: purity of the starting material, and certainty in the batch-to-batch consistency. Our QC team approaches every drum and every lot number with the expectation that it might end up as both a standard in a university laboratory and a production intermediate on a scaled-up industrial line.

    Experience-Driven Composition and Quality Control

    Years of custom synthesis have taught us not to take any analytical shortcut. We base every batch’s certification on hands-on chromatography—HPLC and TLC crosschecks, NMR integration for both aromatic and aliphatic regions, and regular LC-MS spot-checks for rare contaminants. Any supplier can send off a sample for third-party testing, but only the daily feedback loop from our own production floor gives the confidence that every kilogram meets its technical definition.

    One of the unique challenges with cis-caffeic acid is that both laboratory and industrial machines struggle to sort out isomeric drifts, especially after transit or prolonged storage. We keep a record of every raw material and process modification, comparing new output with archived reference material synthesized five and ten years ago. This in-house continuity means customers never face unexplained deviations. Several pharmaceutical labs have complimented us after linking our consistency directly to their ability to pass critical validation steps for downstream product launches.

    Use Cases and Observations from Our Partners

    Buyers come to us with a spectrum of uses in mind. Leading-edge agricultural researchers design trials to evaluate cis-caffeic acid as a root stimulant or to simulate oxidative shock, leveraging its higher reactivity over the trans isomer in certain plant species. Their trials often depend on repeatable formulation and rapid material delivery, two of our strong suits.

    Nutraceutical developers looking to differentiate their antioxidant blends find that cis-caffeic acid, with its unique conjugated structure, interacts differently with radical scavenging assays. Several global manufacturers have shared data showing higher activity using our material as opposed to standard mixtures from catalog suppliers, crediting the isomer’s profile and our attention to microcontaminant removal during purification. Our chemists have worked alongside these teams, tweaking particle size distribution and moisture content when their process lines require it, and answering follow-up questions with direct, real-world advice rather than generic responses.

    Academic researchers appreciate the clarity that comes from knowing exactly what they’re adding to their experiments. One client struggled to replicate prior publications until they made the switch to our authenticated cis-caffeic acid, which matched historical NMR references for plant secondary metabolites. Their control experiments highlighted the subtle but real difference that stereopure compounds make in generating publication-quality data.

    Comparing to Trans-Caffeic Acid and Other Natural Phenolics

    It’s easy for a chemist to see the spectrum of available phenolics and assume they’re interchangeable, but experience tells another story. Trans-caffeic acid dominates commercial supplies—it’s more stable, easier to isolate, and remains favored for most food, feed, and simple biological lab purposes. Many peers overlook the real biological roles of the less abundant isomers. Cis-caffeic acid occurs at low levels in stressed plant tissues, typically as a fleeting product of enzymatic activity or light-driven isomerization. Mimicking these natural conditions in synthesis brings the product closer to what nature uses, not just what a catalog offers.

    Buying habits in the chemical sector often lead to unnecessary substitutions when precise material isn’t available. Over the years, we’ve learned that customers who switched from poorly defined “mixed isomer” caffeic acid to our single-isomer supply often reported sharper, more reproducible bioactivity data. This feedback loop drives our manufacturing philosophy—we don’t just chase minimum specification numbers. We target the research outcomes that specialists are seeking.

    Other phenolic acids, like ferulic or sinapic acid, have overlapping roles in plant immunity and antioxidant systems, but none quite replicate the nuanced structure-activity dynamics that cis-caffeic acid offers. Its ortho-dihydroxy pattern combined with the double-bond geometry gives rise to unique interaction profiles with both proteins and small molecule substrates. Coupled with the purity we maintain, our cis-caffeic acid is used to calibrate protocols, validate computational models, and serve as a real-world standard for creative formulation science.

    What We’ve Learned About Stability, Storage, and Shipping

    There’s no substitute for practical experience in shipping delicate organics. Early batches taught us how ambient light and fluctuating storage temperatures challenge the structural purity of cis-caffeic acid, far more than the trans form or less conjugated phenolics. We learned this lesson hands-on, updating our packaging protocols from simple HDPE containers to double-layer opaque drums with inert gas overlays. Our warehousing staff tracks every shipment for time and temperature exposure, especially when orders go out to hot or humid climates.

    Customers often ask how to keep their inventory fresh on the shelf. Based on what we’ve seen in our own trials, cool, dark, and low-humidity environments work best—no tricks or proprietary containers needed, just attentive storage. We advise splitting larger shipments into smaller, reclosable vessels, keeping unused portions isolated from exposure. Our technical team shares these homegrown tips because they come from our own routine, not from a manual. We check back with returning clients to make sure that the storage advice suits their workflow. That way, their findings reflect the true behavior of the cis isomer, not degradation by external factors.

    Working in Partnership: Customization and Technical Support

    Part of running our plant means adapting our process to meet requests that standard supply chains won’t touch. Some customers ask for specific counterion forms, tailored solubility, or bulk packaging compatible with automated dispensing. We answer these requests not with a marketing pitch, but with direct consultation—our technical leads and process chemists engage from concept to production, making tweaks as needed based on live feedback. Customization isn’t an add-on service here; it’s an everyday part of the operation.

    Raw feedback from client applications shapes how we refine our process. If a batch runs into an unexpected hurdle in downstream synthesis or a formulation bottlenecks due to unexpected solubility limits, we review actual plant records, analyze archived samples, and adjust both synthesis and purification steps. This ongoing partnership is built into how we organize production; every new order is a feedback opportunity. We realize most customers don’t want to wrestle with an off-the-shelf solution that doesn’t quite fit—real value comes from a dialogue.

    Pushing the Boundaries of Research and Innovation

    Sourcing rare isomers like cis-caffeic acid highlights where mainstream supply chains hesitate. Early in our experience, demand was limited to a narrow band of researchers, with most innovation stymied by unreliable supplies. As basic and applied science broadened, so did requests for larger, better-characterized batches. This expansion pushed our synthesis team to retool our approach—to scale up without losing purity, and to provide documentation robust enough for regulatory and publication scrutiny. We didn’t get there overnight. Our plant team spent years fine-tuning process controls, teaching lab staff to spot particulate variation by eye, and flagging subtleties in purification runs long before they interfered with final assay results.

    By supporting both the cutting edge and the practical, our cis-caffeic acid has played a part in discoveries ranging from enzyme mechanism clarification to new standards in antioxidant quantification. Collaboration with external labs exposed us to a spectrum of real-world hurdles—from funding constraints that require maximum yield per gram, to urgent project timelines that demand overnight synthesis. Meeting these challenges, and being transparent about what’s feasible with current technology, earned our place as a trusted partner.

    The Future of Phenolic Compound Supply

    Today’s research markets move fast. Plant biologists, pharmaceutical chemists, and industrial developers are widening the scope of what phenolic acids can do. This trend drives us to stay current not just on production methods, but also on regulatory expectations and environmental standards. Recent years brought greater scrutiny to source traceability and the sustainability of chemical inputs. We now evaluate every raw material supplier with the same standards as our final clients, ensuring that trace contaminants or questionable provenance never become a weak link in our chain.

    Environmental responsibility means reducing waste at every synthesis step, recycling solvents where purity allows, and monitoring output for any residual byproducts. We’ve implemented continuous improvement reviews at both the batch synthesis and purification stages, using automation and human oversight to clamp down on inefficiency. Regular engagement with research partners—sharing new technical notes, gathering field reports, and pushing for pilot tests—keeps us at the front edge of the field.

    The best ideas don’t come from glossy literature—they grow out of the real give-and-take between manufacturers and those who rely on sharp performance in the lab or at scale. This philosophy shapes every decision we make, from the equipment we install to the advice we share with our clients. By sticking to these principles, we help our partners stay ahead, whether they’re validating new assays, launching novel formulations, or mapping out the uncertainty of tomorrow’s phenolic compound research.