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

3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester

    • Product Name 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester
    • Alias Ethyl 3-cyclopropyl-3-oxopropanoate
    • Einecs 629-797-1
    • 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

    680831

    Chemical Name 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester
    Molecular Formula C8H12O3
    Molecular Weight 156.18 g/mol
    Cas Number 26805-13-6
    Appearance Colorless to pale yellow liquid
    Boiling Point 220-222°C
    Density 1.09 g/cm3
    Purity Typically >98%
    Solubility Soluble in organic solvents (e.g. ethanol, chloroform)
    Smiles CCOC(=O)CC(=O)C1CC1
    Iupac Name Ethyl 3-cyclopropyl-3-oxopropanoate
    Storage Conditions Store at 2-8°C, tightly closed

    As an accredited 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 100 grams of 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester, securely sealed in an amber glass bottle with tamper-evident cap.
    Shipping 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester is shipped in tightly sealed containers under cool, dry conditions. The product should be handled according to standard safety protocols, including appropriate labeling and packaging. Shipping follows regulations for laboratory chemicals, ensuring the substance remains stable and leakage-free during transit. Avoid exposure to incompatible substances and extreme temperatures.
    Storage Store **3-Cyclopropyl-3-oxo-propionic acid ethyl ester** in a cool, dry, and well-ventilated area, away from heat, ignition sources, and direct sunlight. Keep the container tightly closed and properly labeled. Avoid exposure to moisture and incompatible substances such as strong oxidizers or bases. Store in a chemical safety cabinet designated for organic esters to ensure safety and stability.
    Application of 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester

    Applications of 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester in Industrial Manufacturing

    This section details specific industrial applications for 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester manufactured in compliance with international quality requirements. Demonstrated integration in pharmaceutical synthesis, agrochemical development, advanced materials, and specialty chemical formulations ensures the raw material supports high-reliability production environments across regulated markets.

    1. Pharmaceutical Intermediate for Antiviral Agents

    Leading pharmaceutical firms use this compound as a core building block in the synthesis of cyclopropyl-containing drug molecules, especially non-nucleoside inhibitors targeting viral enzymes. Its unique structure facilitates the formation of key intermediates during active pharmaceutical ingredient (API) synthesis for antiviral therapies. The material enters multi-step reactions, where strict control of impurity profiles and isomeric purity is necessary to meet regulated standards. Customers typically integrate this ester during the route to complex synthetic APIs, requiring validated process documentation and traceability.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • EU EudraLex Volume 4 Part II
    • US FDA 21 CFR Part 211
    • Chinese Pharmacopoeia (ChP) applicable chapters

    Typical usage ratio

    • 5–20 mol% relative to total reaction input; adjusted by target molecule design and conversion yield review

    Downstream process integration

    • Added in the early to mid-stages of multi-step API synthesis, typically within key diketone cyclization or alkylation steps prior to final purification

    Final product types

    • Active pharmaceutical ingredients for antiviral formulations
    • Finished oral tablet and capsule drugs
    • Bulk intermediates for contract development and manufacturing organizations (CDMOs)
    • Regulatory filing batches for clinical supply

    2. Intermediate in Crop Protection Synthesis

    Agrochemical companies employ this ester as an intermediate for modern cyclopropyl-based herbicides and fungicides. It offers a key functional group needed in the construction of heterocyclic scaffolds, aiding the development of potent, selective crop protection products. The ester enters production via a dedicated reaction step where precise temperature and pH monitoring maintain high conversion and limit unwanted by-products. Consistent supply and batch reproducibility support downstream granulation and formulation for regulated agricultural use.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • OECD Principles of Good Laboratory Practice (GLP)
    • ISO 9001:2015 Quality Management for Chemical Manufacturing
    • REACH Registration for relevant European use scenarios

    Typical usage ratio

    • Typically 3–10 mol% in active ingredient synthesis steps; adjusted further based on impurity management and conversion rates

    Downstream process integration

    • Introduced in the core step for ring formation or side chain installation in active substance synthesis prior to technical concentrate blending

    Final product types

    • Final active ingredient compounds for herbicides and fungicides
    • Suspension concentrate (SC) and emulsifiable concentrate (EC) products
    • Granular and wettable powder formulations for field use
    • Bulk technical material for agrochemical toll manufacturers

    3. Precursor in Synthesis of Specialty Polymers

    Manufacturers of advanced polymers apply this ester as a monomer precursor, leveraging its cyclopropyl ring and carbonyl functionality to create specialty polymers with unique mechanical and chemical resistance profiles. The compound enters into controlled polymerization reactions, pairing with diamines or diols in precise molar ratios under inert atmosphere. Process engineers demand materials with consistent purity to reduce the risk of uncontrolled cross-linking. QC protocols confirm input quality prior to conversion into engineering-grade resins or surface-active materials.

    Industry compliance standards

    • ISO 14001 Environmental Management certification for polymer production
    • UL Yellow Card recognition for flame resistance where required
    • ASTM D3574 standards for polymeric materials performance
    • Customer-specific material disclosure and purity protocols

    Typical usage ratio

    • 1–15 mol% as a functional comonomer; selection based on target film thickness, modulus, and crosslink density for end use

    Downstream process integration

    • Inserted during resin pre-polymer synthesis or batch copolymerization, prior to extrusion or compound molding operations

    Final product types

    • Specialty polyurethane and epoxide resins
    • Adhesive and sealant base materials for electronics
    • Coating intermediates for performance films
    • Surface-modified polymers for membranes and medical devices

    4. Fine Chemical Building Block in Custom Synthesis

    Specialty chemical labs and contract manufacturers select this ester as a building block in the preparation of small molecules for research, flavor & fragrance bases, and chiral synthons. Its reactive sites allow for rapid customization via ester hydrolysis, alkylation, or condensation reactions as required. Production lines include precise metering and analytical monitoring to achieve high-yield isolation of bespoke fine chemicals under controlled conditions, minimizing cross-contamination per ISO standards.

    Industry compliance standards

    • ISO 9001:2015 certification for fine chemical manufacturing
    • Responsible Care Global Charter participation
    • GMP for Starting Materials where applicable (EU/ICH/Q7A)
    • International Air Transport Association (IATA) compliance for shipping hazardous substances

    Typical usage ratio

    • 0.5–8 eq depending on synthetic route and scale of end-molecule; often refined to batch-level optimization in pilot and kilo-lab runs

    Downstream process integration

    • Added as the first-line reagent in R&D synthesis, early-stage intermediate preparation, or specific-side group introduction for structure-activity mapping

    Final product types

    • Research chemicals for university and institute projects
    • Fine intermediates for fragrance and flavor synthesis
    • Chiral and enantiopure molecular building blocks
    • Custom-developed performance additives
    Free Quote

    Competitive 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester 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 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester : Performance Shaped by Real Manufacturing Experience

    Straight From the Source: A Chemist’s Perspective on Crafting for Quality

    Decades spent in synthesis have taught the value of precision, consistency, and understanding beyond formulas. Every batch we produce of 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester (model: 3CPEE) stands as proof of the impact that hands-on expertise brings to a process. Unlike large commodity products that come from enormous factories focused on quantity, this material comes from dedicated lines, monitored and adjusted day by day. As the actual manufacturer, every insight and improvement builds directly from lab bench to production tank—no disconnect, no confusion, no untraceable steps. This hands-on approach means customers can expect a product shaped by tenacity, caution, and pride in exactness.

    Molecular Features Shaped by Rigorous Craftsmanship

    Chemistry demands precision, especially where unusual ring systems meet reactive carbonyls. 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester offers a unique blend of a cyclopropyl ring fused with a beta-ketoester backbone, a structure that doesn’t just occur. Our reactors provide the environment for careful temperature control, measured addition of reagents, and timely quenching, each step designed to capture the proper molecular conformation. In our hands, the final ester appears as a colorless to pale yellow liquid, with a purity exceeding 98% as measured by both HPLC and GC. Each lot displays a controlled moisture content, which directly influences subsequent synthesis steps for our pharmaceutical and fine chemical partners.

    Applications Driven by Customer Feedback and R&D Partnerships

    Over the years, our relationships with process chemists and formulators have shed light on the demands placed on starting materials. 3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester finds use as a building block, especially for researchers targeting cyclopropyl-containing intermediates that lead towards pharmaceutical APIs and agrochemical leads. Besides the classic applications in migration chemistry, this compound smoothly participates in alkylations, condensations, and Michael additions. Some work with advanced catalysts demands exceptionally narrow specification windows; our scaleup teams adjust purification sequences in response. This ongoing partnership leads to modifications—whether in terms of limits on residual solvents, or minimized isomeric byproducts, or downstream isolation aids like particle size distribution when requested in special form.

    What Sets Us Apart: Consistency and Traceability

    Many products fill catalogs, but very few are crafted at this level of traceability. Vendors and resellers typically pull from pools of supply without clear records of process stability or raw material shifts. As the chemists responsible for every stage, we keep records of every raw input and every environmental shift in process. Our teams scrutinize trace impurities. Each batch receives analytical confirmation of cyclopropyl integrity and keto stability, so synthetic routes that depend on a delicate balance between ring strain and ester reactivity work as designed. Failures in competitor materials often come from unseen transesterification, ring opening, or elevated water content—flaws that surface only after days of trial, costing customers time and money. By contrast, our internal data sharing connects plant, lab, and logistics, so rare deviations are isolated early and never enter circulation.

    Practical Experience: What Consistent Handling Brings to the Table

    There is a real human element to chemistry. Some of our oldest customers still recall the headaches caused by mystery impurity spikes. By working face-to-face with teams that use our ester in gram to ton-scale, our operators learn which minor changes ripple through a synthetic cascade. Determined drying protocols—using vacuum distillation, ensuring glassware residue elimination—cut down on the imprecision that poisons multi-step synthesis. We receive calls about delayed crystallizations or failed reactions, and our teams consult production logs, batch documentation, and archived analytical profiles. This solution-oriented culture shapes not just the product but the partnership. By sharing chromatograms and NMR data, improvements happen in real time.

    Behind the Certificate: Reality Versus Checkboxes

    A certificate can list chemical specs, but only day-to-day control reveals how a product performs in real synthesis. Differences in raw material quality, reaction workup procedures, and even the order of addition affect impurity profiles. Many industrial buyers discover that even “on paper” identical lots behave very differently; batches that fall short often stem from shortcut handling or uncontrolled reaction kinetics. Our crew assesses each lot for unreacted acid and checks for low-level dimerization so that complex route planners do not waste cycles troubleshooting. By treating every lab request as an opportunity to clarify root causes and address underlying chemistry, the product bridges the gap between spec sheet and practical performance. This attitude stems from a belief that reliable chemicals save hundreds of hours downstream.

    Meeting Scale-Up and Regulatory Demands in Tandem

    Moving from grams to multi-kilo or even ton-scale opens a new set of challenges. At the small scale, clever shortcuts sometimes work, but large reactors amplify every omission and shortcut. Recognizing this, our facility invests in real-time monitoring: temperature probes, automated addition, agitation control, and inert atmosphere handling. Our batch logs trace from initial cyclopropane precursor down to distillation end points. Regulatory demands include not just purity, but a clean audit trail. Our QA protocols, shaped by experience in regulated environments, connect every step from raw input through QC. We know questions come not just from chemists, but from regulatory auditors; everything from solvent residues to phthalate-free packaging counts. We take requests for specialized COAs with actionable urgency, because downstream submission deadlines rarely budge.

    Handling and Safe Use Drawn from Real World Conditions

    The channel between laboratory requirements and manufacturing realities often runs both ways. As a reactive ester, this molecule prefers neutral or cool storage, and direct sunlight or high humidity risks hydrolysis and byproduct formation. We keep these lessons in mind with packaging built from high-density polyethylene. Our drums and bottles are purged with inert gas and sealed immediately after filling, monitored for leaks and headspace moisture. If customers report packaging issues, our logistics and QA teams revisit procedures for loading, sealing, and palletizing, choosing only what survives the full journey intact. This extends shelf life, preserves color and purity, and means material performs as expected when opened—no surprises, no drop-outs. Our staff do not consider their work finished until every bottle, drum, or tote shows the correct analytical signatures on arrival.

    Differences from Commodity and Bulk Supplier Products

    Sourcing this compound from bulk traders, resellers, or catalog houses generally means reduced oversight over original synthesis and purification methods. The route from raw cyclopropane to finished ester, carried out under real-world schedules and fluctuating batch sizes, introduces unavoidable variability. Companies that rely on intermediaries lose the spiral of ongoing improvement that comes only from making and using each batch directly. Blind redistribution complicates troubleshooting—small shifts in impurity levels, moisture, or color origin remain hidden, leaving end users responsible for verbose troubleshooting. Our commitment as a primary manufacturer bridges that gap. Knowledge passes every shift; every new challenge prompts tweaks in analytical method or raw material vetting. Where our competition offers only the lot on hand, we supply context, background, and a working relationship.

    Troubleshooting and Customer Feedback as a Tool of Progress

    Many small molecule syntheses threaten to grind to a halt at the scale-up stage. Even minor variations—origin of base, water content, or choice of solvent—can determine whether a reaction cleans up in hours or leaves product irretrievably in the waste stream. By making every lot ourselves, we not only improve final specifications but also contribute ideas for problem-solving. Conversations with chemists using this ester in alkylation, Michael addition, or cyclization allow us to advise on optimal pH, protecting group strategies, or workup conditions. If a customer calls about an unexpected precipitation or emulsification, we delve into our database of historical run data and draw on operator experience, linking observed phenomena back to root causes. Whether it’s swapping a solvent or adjusting temperature by a few degrees, manufacturing history and technical familiarity make the difference between compounded issues and quick resolution.

    Customization and Flexibility in Manufacturing

    Our scale and direct control enable specialized runs for companies needing subtle adjustments, such as lower moisture content or reduced volatile byproducts. Some solid formulation partners ask for narrow impurity cutoffs, driving us to research new distillation sequences or implement extra filtration steps. Others push for packaging innovation to enable easier handling in automated dispensing lines or with special robotics. We listen and respond—not because of a one-time contract, but because our staff recognizes the shared challenges of real-world chemistry. In one case, a customer’s bottleneck part of an intermediate needed tighter gradient separation, driving us to adjust timing of vacuum transfer and retention temperatures. This type of iterative problem solving leads to gradual enhancements in every process, meaning each new batch yields learnings for the future.

    Analytical Rigor and Real-Time Quality Control

    Every operator, manager, and chemist understands that impurities slow down downstream reactions, and even low-level contaminants—acids, alcohols, or unreacted starting materials—change the game. We run samples on HPLC, GC-MS, and NMR, both before and after each significant process step. When anomalies surface, outcomes drive practical decision-making about process adjustment, not finger-pointing. Real discussions among process engineers, plant operators, and analytical groups happen daily. We see firsthand that real-time data sharing shaves weeks off development cycles, and even eliminates “surprise” integration errors at the plant. While automation and digital records matter, it’s the spirit of hands-on troubleshooting and craft that defines what our product delivers to the bench and pilot plant alike.

    The Value of Reliability: More Than a Commodity

    The difference shows in customer stories—small batches that scale up without residue problems, established synthetic methods that reproduce with fewer purification steps. A recent switch by a biotech partner showed lower byproduct build for their crucial heterocycle condensation, after trialing our ester against three alternatives. Small improvements snowball into measurable advantages: less time spent on cleanup, higher yields, and cleaner analytical runs. Continuous engagement and open channels for feedback ensure product quality adapts to shifting needs. Customers aren’t just receivers but contributors—a fact made possible only through direct manufacturing. This practical approach becomes the strongest engine for sustainable quality.

    A Commitment Born of Practical Responsibility

    Every day, teams in our plant take the product from precursor to finished ester. Their skills, built over years of actual chemical handling—not just audit checklists—shine through in the end material. Our model reflects a refusal to take shortcuts. While specification sheets remain tools, real reliability requires decisions grounded in repetition, context, and consistent vigilance. This willingness to innovate and fix, to listen and learn from partners, leads to a product that performs in the lab and on the scale of true industrial practice.

    Summary: Trust Built on Real-World Practice

    3-Cyclopropyl-3-Oxo-Propionic Acid Ethyl Ester stands as more than an item on a product list. Every drop tells the story of operators who understand the chemistry beneath the procedural details. Each step—raw material inspection, real-time monitoring during production, hands-on packaging, and dedicated support—builds a chain of accountability and pride. For research chemists and industrial formulators alike, choosing this material means relying on a partner who has experienced, documented, and resolved the unspoken challenges that come from turning theory into daily, reliable supply. The substance in each container is measured not just by analytical numbers but by years of lived problem solving and constant, iterative improvement.

    Future Directions: Evolving With Needs, Not Against Them

    The chemical manufacturing landscape shifts with new molecules, novel regulatory constraints, and evolving applications. Our commitment springs from the belief that listening to feedback, continually refining methods, and embracing transparency shape stronger partnerships. Direct manufacturing control frees us from the disconnects of third-party chains. With every new challenge, we respond not by rebranding existing inventory but by adjusting process, analyzing results, and exploring smarter ways to reduce impurities, improve consistency, and satisfy stricter downstream requirements. Our reliability originates in real practice, not just promises.