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Cyclopropyl 2-Thienyl Ketone

    • Product Name Cyclopropyl 2-Thienyl Ketone
    • Alias 2-Thienyl cyclopropyl ketone
    • Einecs 242-551-9
    • 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

    891277

    Product Name Cyclopropyl 2-Thienyl Ketone
    Cas Number 13679-86-2
    Molecular Formula C8H8OS
    Molecular Weight 152.21 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 112-115°C at 15 mmHg
    Density 1.16 g/cm3
    Refractive Index 1.583
    Purity Typically >98%
    Solubility Slightly soluble in water, soluble in organic solvents
    Smiles O=C(c1cccs1)C2CC2
    Inchi InChI=1S/C8H8OS/c1-2-7(9)8-4-3-6-10-8/h3-4,6H,1-2H2

    As an accredited Cyclopropyl 2-Thienyl Ketone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Cyclopropyl 2-Thienyl Ketone, 25 grams, securely sealed in an amber glass bottle with tamper-evident cap, labeled with hazard warnings.
    Shipping Cyclopropyl 2-Thienyl Ketone is shipped in secure, airtight containers to prevent contamination and degradation. Packaging complies with safety regulations for chemical transport. Proper labeling and documentation are provided, and temperature-sensitive handling is ensured to maintain stability during transit. Delivery is via approved carriers specializing in regulated chemical shipments.
    Storage Cyclopropyl 2-Thienyl Ketone should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated area away from sources of ignition and incompatible substances such as strong oxidizing agents. Protect from direct sunlight and moisture. Store at room temperature and handle under a chemical fume hood to minimize exposure to vapors. Always follow standard chemical safety procedures.
    Application of Cyclopropyl 2-Thienyl Ketone

    Applications of Cyclopropyl 2-Thienyl Ketone in Industrial Manufacturing

    Cyclopropyl 2-Thienyl Ketone serves as a specialized intermediate in various advanced chemical synthesis applications. Our direct manufacturing ensures consistent quality and regulatory traceability for demanding downstream sectors. Below we outline key industrial uses, detailing compliant integration, ratio guidelines, process steps, and commercial end products.

    1. API Intermediate for Thienyl-Containing Pharmaceuticals

    Pharmaceutical companies procure Cyclopropyl 2-Thienyl Ketone as a critical intermediate for building thienyl-substituted active pharmaceutical ingredients, especially in anti-inflammatory, antiviral, and CNS drug research. Synthetic chemists incorporate it via organometallic or carbonylation reactions, creating complex molecular cores for patent-protected drugs. Manufacturers adhere strictly to validated routes, ensuring batch traceability and impurity controls align with global regulatory filings.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 211
    • EU EudraLex Volume 4 GMP
    • Chinese Pharmacopoeia standards (when used for NMPA submission)

    Typical usage ratio

    • 0.2–0.6 molar equivalents relative to the target API core, depending on step yield and process impurity profile
    • Adjusted per synthesis stage and batch scale for optimal conversion and downstream purification

    Downstream process integration

    • Enters primary synthesis at Step 1 or Step 2 for thienyl incorporation
    • Used in Grignard or Suzuki couplings under nitrogen-controlled reactors
    • Monitored via in-process HPLC QC for residual trace detection and API impurity profile management

    Final product types

    • Small molecule pharmaceuticals—Anti-inflammatory agents
    • Novel central nervous system drug APIs
    • Patented antiviral intermediates
    • Research-stage thieno-fused candidates for clinical trials

    2. Intermediate for Crop Protection Actives Synthesis

    Agrochemical manufacturers select Cyclopropyl 2-Thienyl Ketone for synthesizing heterocyclic building blocks present in modern crop protection compounds, notably fungicides and insecticides with thienyl functional groups. The ketone adds stability and bioactive geometry, entering sequential syntheses under strictly monitored process safety and environmental controls, ensuring the final active conforms to agrochemical specifications.

    Industry compliance standards

    • ISO 9001:2015 for agrochemical ingredient production
    • China GB/T 20826-2021 Agrochemical Intermediate QC
    • EU Regulation (EC) No 1107/2009 placing plant protection products on the market
    • OECD Principles of Good Laboratory Practice (GLP) for environmental fate and residue studies

    Typical usage ratio

    • 0.1–0.5 molar equivalents relative to downstream heterocyclic core, adjusted for target field formulation concentration

    Downstream process integration

    • Added during heterocycle assembly stages in multi-step organosulfur or cyclopropylation sequences
    • Feeds directly into one-pot batch synthesis reactors with real-time IR monitoring for end-point control
    • Pre-purification via solvent extraction or vacuum distillation to maintain consistent intermediate purity

    Final product types

    • Thienyl-based fungicidal active ingredients
    • Crop protection product actives featuring cyclopropyl moieties
    • Environmental metabolite standards for residue analysis
    • Custom synthesis reference compounds for regulatory registration

    3. Building Block For OLED Electronic Materials

    Specialty electronics firms use Cyclopropyl 2-Thienyl Ketone to create advanced organic small molecules in OLED (organic light-emitting diode) research and device production. The thienyl-cyclopropyl unit enhances electron mobility and device stability. Synthesis requires precise stoichiometry, high-purity grade, and EHS measures specific to electronic-grade chemicals. Downstream users validate material profiles through rigorous QA prior to device integration.

    Industry compliance standards

    • ISO 9001:2015 certified quality management for electronic materials
    • RoHS Directive (2011/65/EU) concerning restriction of specific hazardous substances
    • TSCA (Toxic Substances Control Act, US) for commercial-scale batch validation
    • Company-specific electronic materials acceptance testing protocols

    Typical usage ratio

    • 5–20% by weight in precursor blends for OLED emitting layer synthesis
    • Adjusted per electron mobility and quantum efficiency requirements in end device testing

    Downstream process integration

    • Dosed into high-purity solvent or solid-state reactions under inert atmosphere to avoid atmospheric oxidation
    • Subjected to multi-stage vacuum sublimation for electronic grade purity
    • Integrated into spin-coating or vacuum thermal evaporation steps for thin-film device manufacturing

    Final product types

    • OLED light-emitting layers in display panels
    • Organic semiconductors for flexible electronics
    • Electronic-grade small molecules for R&D lab screening
    • Reference standards for analytical device companies

    4. Custom Synthesis for Specialty Fragrance Intermediates

    Fragrance ingredient producers utilize Cyclopropyl 2-Thienyl Ketone as a precursor block in the production of sulfur-heterocycle aroma ingredients. The thienyl ring contributes signature earthy and smoky notes vital in luxury or niche fragrance compounds, especially where high-performance stability is needed in the final product. Manufacturing follows IFRA and regional cosmetic ingredient compliance to enable global distribution.

    Industry compliance standards

    • IFRA (International Fragrance Association) Standards and Amends
    • REACH Regulation EC 1907/2006 Annex XVII (for use in scent chemicals)
    • ISO 9235:2021 for aromatic raw materials in perfumery
    • Cosmetics Regulation (EC) No 1223/2009 for end-use safety assessment

    Typical usage ratio

    • 0.5–3% by weight in aroma intermediate batches, adjusted to olfactory impact and downstream safety review

    Downstream process integration

    • Employed in stepwise organic synthesis for creation of sulfurous or cyclopropyl-scent motifs
    • Factorized during the oxidation, reduction, and esterification steps dependent on formulation
    • GC-MS monitored for residuals and purity prior to concentrate blending

    Final product types

    • High-value fragrance intermediates for fine perfumery
    • Signature aroma molecules for luxury candles and ambient scents
    • Industrial fragrance additives in specialist household products
    • Custom aroma blends for licensed cosmetic manufacturing
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    Certification & Compliance
    More Introduction

    Cyclopropyl 2-Thienyl Ketone: Direct From the Manufacturer’s Perspective

    Understanding Cyclopropyl 2-Thienyl Ketone

    Cyclopropyl 2-Thienyl Ketone comes off our lines as a specialized building block for anyone shaping high-value compounds in pharmaceutical and fine chemical synthesis. This compound, bearing the synthesis model number CPTK-01, demonstrates the real benefit of careful process optimization and strict input selection. Over years of manufacturing experience, we have found that the union of the cyclopropyl ring and the thienyl system in a single molecule opens a route to diverse transformations, from organometallic reactions to more exotic coupling chemistries. This special chemical serves as an essential intermediate for API synthesis, agrochemical innovation, and advanced material experiments that demand reliable performance batch after batch.

    Experience in Manufacturing Quality Assurance

    In the chemical sector, the expectations run high and slip-ups come with heavy costs. As each order runs through its paces in our plant, we do not treat Cyclopropyl 2-Thienyl Ketone as a commodity. We look beyond the sticker specs—hard purities, water content, residual solvents—by tracking the finer points that matter to chemists down the line. From managing how the product’s thienyl group interacts with sensitive functional groups to confirming that the cyclopropyl ring preserves its strained geometry, production does not leave room for shortcuts. GC, NMR, and elemental analysis serve not just as boxes to tick but signposts for every stage, catching out-of-place signals before the packing ever starts.

    What Sets This Molecule Apart

    For those who have tried alternatives, the difference comes through in both consistency and versatility. Cyclopropyl 2-Thienyl Ketone stands apart from similar compounds thanks to the unique electronic push of the cyclopropyl group combined with the sulfur-rich nature of the thienyl ring. While some analogs with open-chain alkyl or less-strained rings show limited reactivity, the cyclopropyl unit harnesses enough energy to make downstream chemistry both selective and quick. On the thienyl end, the sulfur atom’s electron-donating nature drives reactions that would stall with a purely carbocyclic system. This dual-character changes how clients approach key C–C bond formation, making routes cleaner and often producing yields that speak for themselves.

    How Clients Handle Cyclopropyl 2-Thienyl Ketone

    Our partners in pharma, materials science, and academia look to this molecule for its ability to seed complexity into larger frameworks. In practice, it moves smoothly into Suzuki, Heck, and Grignard reactions, as well as selective reductions and condensations. We have seen teams use it as a scaffold for new anti-inflammatory candidates, enzyme inhibitors, and even photo-responsive compounds. The compact three-membered ring brings rigidity and helps tune physical properties such as solubility or membrane permeability in finished molecules. From direct alkylations to functionalizations at the thienyl site, the range of options turns out wider than any simple aryl ketone we have handled.

    Manufacturing Consistency Makes a Difference

    We put a lot of importance on batch records and process reproducibility. Over the years, a recurring lesson has been that minute shifts in temperature, mixing, or raw material quality produce noticeable changes in the purity of Cyclopropyl 2-Thienyl Ketone. Reproducibility, far from just a buzzword, underpins trust between us and every laboratory or production facility that buys from us. By sticking to process parameters refined after hundreds of pilot and scale-up cycles, and by keeping relationships strong with raw material suppliers, we remove variables that could lead to off-spec results or ruined downstream chemistry. This reliability matters especially for those rolling out pilot batches of a new candidate or validating analytical methods.

    Usage Scenarios from Direct Manufacturer Feedback

    On the application side, labs probing for next-generation APIs benefit from the transformation potential baked into this molecule. For instance, once Cyclopropyl 2-Thienyl Ketone enters the synthetic route, the options to functionalize either the thienyl ring or the cyclopropyl group give medicinal chemists breathing room as they tune biological activity. Sometime, integration occurs at late-stage diversification, allowing rapid assembly of compound libraries around a common core. On the agrochemical front, bioactive compounds derived from this intermediate feature unique toxicological and physical profiles not seen in traditional aryl ketones—such as improved metabolic stability in soil and plant systems.

    Research feedback shows that the thienyl group’s ability to coordinate metals catches the eye of coordination chemists working on catalysts and sensors. Our role extends to supporting development teams as they scale bench protocols to pilot levels. During tech transfer discussions, we share insights gathered through years of trial, such as which solvents safeguard cyclopropyl integrity or which purification sequences remove stubborn thienyl-based impurities. These practical touchpoints land far beyond what a simple reagent catalog will ever provide.

    Comparisons to Other Ketones: What We Have Observed in Use

    Arguments often surface about whether a substituted benzyl, furan, or straight-chain aliphatic ketone could do the job just as well. All those years working alongside clients have shown us that attempts to shortcut with simpler aryl or alkyl ketones rarely bring the same efficiency or selectivity. The inclusion of a cyclopropyl moiety increases both ring strain and reactivity, pulling forward reactions that stall with bigger, non-strained groups. Meanwhile, the thienyl’s sulfur makes nucleophilic additions and certain metathesis pathways much more feasible due to enhanced electron flow. We have tracked yield metrics and impurity profiles: the differences are not subtle. Cyclopropyl 2-Thienyl Ketone carves a clear niche where regular aryl or alkyl ketones simply do not reach the target.

    Quality Control: Our Commitment and Learning

    We learned early that Cyclopropyl 2-Thienyl Ketone reacts sensitively to changes in storage and transport conditions. Keeping impurity levels—especially oxidized thienyl byproducts—under tight limits took trial, error, and feedback loops. It did not suffice to rely on standard desiccation or packaging. Today, we employ specially lined containers proven to resist sulfur-catalyzed degradation, and we keep temperature logs during long-distance shipments. This focus directly links to customer satisfaction, since unstable product not only affects yields but derails critical R&D timelines.

    As new regulations call for higher transparency and traceability, our experience working with advanced analytics (including LC-MS trace impurity fingerprinting) positioned us well to satisfy audit needs and internal quality benchmarks. Full batch traceability and rapid response to lot-specific questions take center stage in our routine, becoming as critical as any certificate of analysis.

    Handling Regulatory, Environmental, and Safety Expectations

    Few things matter more than keeping production aligned with international environment and safety standards. Thienyl systems come with specific safe handling requirements in synthesis operations. Decades spent managing organosulfur intermediates have driven us to refine our fume extraction, waste treatment, and staff training layers. The result cuts risks not just for the shop floor, but for downstream users handling the product in their workflows.

    We recognize the industrial push for greener syntheses, so every review of our process seeks to reduce solvent and energy footprints. For Cyclopropyl 2-Thienyl Ketone, that meant streamlining steps so as to cut out especially hazardous reagents and put in more benign alternatives where possible. To this day, in response to customer feedback, we keep a log of process modifications and their impact on both product purity and waste output, helping align with the growing pressure for sustainable chemistry.

    Operational Insights: What Drives Success With This Product

    Reliable production of specialized building blocks means more than batch-size scaling or tighter purity specs. It means actively listening to the user base and continuously looping feedback into process tweaks. As a team that sees the upstream headaches caused by small changes in impurity loads or by hard-to-track batch-to-batch drift, we take pride in serving as a bridge between bench-scale ideas and real-world manufacturing. Sharing direct experience about how cyclopropyl-based ketones behave with different nucleophiles, bases, or metal catalysts often tips the balance between a promising research route and a reliable manufacturing solution.

    Open conversations with partners led us to introduce process controls for color stability, shelf-life extension, and more robust QA sequences for thienyl derivatives. This transparency pays off not only in lower complaint rates but also in faster project ramp-up for our more demanding collaborations.

    Challenges Faced and Solutions Crafted

    Producing Cyclopropyl 2-Thienyl Ketone at scale presents hurdles typical for reactive, sulfur-containing intermediates: susceptibility to over-oxidation, batch heterogeneity, and high volatility in raw material costs. Years ago, batches suffering from extended heating or rapid temperature swings sometimes showed darkening and rising impurity peaks. Site teams brainstormed a tighter ramp protocol, now part of standard manufacturing controls. This hands-on approach to troubleshooting prevents recurrence and teaches new staff by example. By fine-tuning inert atmosphere protection during both reaction and storage, we keep both reactivity and appearance stable, a point crucial for users developing visible-light active materials.

    Economic volatility in organosulfur building block production does not go unnoticed. Keeping supply lines for thienyl precursors uninterrupted became an active process of relationship management and contingency planning. Although the cost curve cannot always be flattened, offering reliable access to this unique molecule even during periods of high global demand cements trust with end-users. These are lessons learned only by weathering market cycles as a manufacturer in direct contact with the reality of raw material procurement.

    Long-Term Value for Modern Synthetic Chemistry

    Cyclopropyl 2-Thienyl Ketone represents more than an intermediate. After years producing it for diverse fields, its real worth lies in enabling creative new routes to chemical matter. Customers working under tight development timelines come back because each fresh bottle marks a consistent foundation—less time lost troubleshooting off-batch phenomena, more time moving ideas forward. Our in-house support vouches for practical knowledge not found in standard reference tables, including custom advice on storage, reactivity under non-standard conditions, or adaptation to automation.

    Chemical manufacturing only succeeds on a foundation of real-world knowledge, earned directly pumping product out of reactors, not catalog copy or broker’s lists. This ethos sits at the core of how we approach Cyclopropyl 2-Thienyl Ketone production for every new request. Every lesson learned—about scale-up, moisture management, or fine-tuning reaction timing—echoes through to customer labs, sparing them the need to recreate known pitfalls. By putting the voice of hands-on manufacturing at the center, we keep our processes sharp and our product trusted.

    Direct Communication With End-Users

    Decades immersed in this work taught us the irreplaceable value of dialogue. Each PhD-level support query, each rush order for a critical API project, offers a path for co-learning. For Cyclopropyl 2-Thienyl Ketone, ongoing back-and-forth about analytical results and practical challenges informs not only ongoing QA but also the next iteration of production changes. This feedback loop grounds our upgrades in the hard realities of bench chemistry, not in abstractions.

    Bridging the Insights: From Reactor to Application

    Real specialization in cyclopropyl-thienyl systems means looking beyond theoretical yield or purity metrics. The true currency of value comes through in field feedback: bigger, robust runs, easier reaction troubleshooting, and fewer surprises after product hits the market. By sticking close to the needs of synthetic organic chemists—both in established teams and rapid prototyping environments—we keep the product relevant as the demands evolve.

    Our knowledge base, born from years of handling the quirks and surprises these molecules bring, keeps Cyclopropyl 2-Thienyl Ketone a tool that serves growth. Whether fueling a scalable route in a pharmaceutical pipeline or enabling the next wave of functional material prototypes, the difference starts inside our gates and extends through every collaborative exchange.

    Closing Thoughts Built on Experience

    Over years spent refining, producing, and supporting Cyclopropyl 2-Thienyl Ketone, we have learned not to treat it as a static good. Each reaction it enters, each patent it underpins, connects our manufacturing floor to the scientific ambitions of users around the world. Sharing direct experience, learning from each cycle, and integrating lessons straight into both process and customer support remains our path—turning an intermediate into a reliable partner for technical progress.