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4-Ethoxycarbonylphenyl Isothiocyanate

    • Product Name 4-Ethoxycarbonylphenyl Isothiocyanate
    • Alias 4-Ethoxycarbonylphenyl isothiocyanate
    • Einecs 221-939-7
    • 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

    594920

    Chemical Name 4-Ethoxycarbonylphenyl Isothiocyanate
    Cas Number 18942-96-6
    Molecular Formula C10H9NO2S
    Molecular Weight 207.25 g/mol
    Appearance Off-white to light yellow powder
    Melting Point 100-103°C
    Solubility Soluble in organic solvents such as dichloromethane, chloroform
    Smiles CCOC(=O)C1=CC=C(C=C1)N=C=S
    Storage Temperature 2-8°C (refrigerated)
    Purity Typically ≥98%
    Hazard Statements Irritant, harmful if swallowed, causes skin/eye irritation

    As an accredited 4-Ethoxycarbonylphenyl Isothiocyanate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The product is supplied as 5 grams in a brown glass bottle with a white screw cap, labeled with chemical name and hazard warnings.
    Shipping 4-Ethoxycarbonylphenyl Isothiocyanate is shipped in tightly sealed containers to prevent moisture and contamination. It should be stored and transported at room temperature, away from direct sunlight and incompatible materials. Handle with proper safety precautions, including gloves and eye protection, in accordance with chemical safety guidelines and local transportation regulations.
    Storage 4-Ethoxycarbonylphenyl Isothiocyanate should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of heat and ignition. Keep it away from moisture, acids, and bases. Store under inert atmosphere, such as nitrogen or argon, if recommended. Use secondary containment to prevent spills and ensure that incompatible materials are not stored nearby.
    Application of 4-Ethoxycarbonylphenyl Isothiocyanate

    Applications of 4-Ethoxycarbonylphenyl Isothiocyanate in Industrial Manufacturing

    As the direct manufacturer of 4-Ethoxycarbonylphenyl Isothiocyanate, we support various industries with this intermediate, meeting consistently high requirements in regulated production environments. The applications below reflect real, established downstream uses, each governed by strict compliance criteria and specific process requirements, ensuring safe integration in high-purity, value-added workflows.

    1. Active Pharmaceutical Ingredient (API) Synthesis – Targeted Kinase Inhibitors

    This raw material serves as a critical intermediate in the synthesis of heterocyclic scaffolds for kinase inhibitors, particularly in small-molecule anticancer drugs. Clinical API manufacturers use it for introducing unique isothiocyanate functional groups during late-stage route development. Regulatory expectations focus on process traceability and impurity control during scale-up. Continuous process validation ensures batch-to-batch consistency, and every integration meets strict impurity limits suitable for submission-grade material.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EMA and FDA regulatory submissions (21 CFR Part 211, EU GMP Part II)
    • Ph. Eur., USP, and JP reference monographs for chemical intermediates
    • Chemical control legislation: REACH, TSCA

    Typical usage ratio

    • 0.9–1.2 molar equivalents, adjusted for substrate reactivity. Exact mass balance calculated based on desired yield and impurity profile in API route.

    Downstream process integration

    • Introduced after halide substitution or amidation step. Typically coupled under anhydrous conditions via controlled addition under inert atmosphere to suppress side reactions before cyclization or subsequent derivatization.

    Final product types

    • Regulatory-submitted API compounds (e.g., kinase inhibitor drug substances)
    • Preclinical candidate substances for oncology trials
    • Reference standards under GMP and process validation intermediates

    2. Agrochemical Actives – Heteroaryl Sulfonyl Urea Herbicide Synthesis

    Specialty crop protection companies use this isothiocyanate for building urea and sulfonylurea moieties in proprietary herbicidal active ingredients. The compound acts as a key reactant in constructing heterocyclic frameworks, supporting the development of high-purity agrochemical actives. Emphasizing traceability, documentation addresses global food chain safety assessment, often audited by both in-house QC and independent certification bodies.

    Industry compliance standards

    • FAO/WHO specifications and tolerances for technical grade crop protection chemicals
    • OECD GLP for environmental fate studies
    • ISO 9001-certified manufacturing and in-process quality control
    • National food safety and pesticide residue regulations (EPA, EU, China MoA, etc.)

    Typical usage ratio

    • 8–12% by weight in final technical concentrate; ratio depends on downstream cyclization yield and target structure characterization requirements.

    Downstream process integration

    • Charged after initial core skeleton assembly on pilot or commercial scale. Incorporated via controlled addition in multi-step synthetic batches, followed by neutralization and extraction protocols tailored to minimize environmental releases and maximize product recovery.

    Final product types

    • Sulfonylurea herbicide technical concentrates for field application
    • Custom-formulated water-dispersible granules and suspension concentrates
    • Crop safety research reference samples for residue analysis

    3. Diagnostic Reagents – Fluorescent Derivatization of Amino Acids for HPLC

    Producers of high-sensitivity chromatographic reagents utilize this compound to introduce isothiocyanate group for selective derivatization of amino acids and peptides, which enhances fluorescent detection in bioanalytical assays. Stringent trace impurities and residual solvent control ensure suitability for analytical laboratories and kit manufacturers. Batch records and analytical COAs must meet quality criteria for consistent reagent blank and baseline performance.

    Industry compliance standards

    • ISO 17034 and ISO 17025 accreditation for reference material production and testing laboratories
    • USP General Chapter <1225> Validation of Compendial Procedures
    • ISO Guide 31 labeling requirements for reagent kits
    • Analytical purity standards for chromatographic reagents

    Typical usage ratio

    • 0.5–2% solution by volume in acetonitrile or methanol for derivatization protocols; adjusted according to analyte load and desired signal-to-noise ratio.

    Downstream process integration

    • Prepared as a stock reagent prior to sample analysis. Used for pre-column or post-column online derivatization in RP-HPLC or UPLC systems, supporting both standardized laboratory kits and custom method development.

    Final product types

    • Fluorescent and UV-active derivatization kits for amino acid analysis
    • Ready-to-use HPLC/UPLC diagnostic reagent sets
    • Quality control standards for peptide purity assessment

    4. Specialty Polymer Additives – Isothiocyanate-Functional Monomer for High-Performance Materials

    This intermediate is valued by advanced polymer manufacturers for introducing reactive isothiocyanate groups into specialty polyurethanes or silicone elastomers, where the functional handle enables crosslinking or further chemical modification. Customers require detailed specification and batch-level consistency to guarantee reproducible polymer architecture, especially in engineered materials for high-end electronics and automotive sealing applications.

    Industry compliance standards

    • ISO 9001 for documented synthesis and lot release protocols
    • REACH registration for industrial monomer use and polymer precursors
    • RoHS and WEEE limitations for in-contact electronics
    • Technical performance standards (UL94, IEC, ASTM depending on application)

    Typical usage ratio

    • 0.3–2.5% by weight in prepolymer mass; dosage determined by required crosslink density and final material performance requirements, verified through pilot scale-up and end-use property testing.

    Downstream process integration

    • Blended into polyfunctional prepolymer streams after base polyol mixing but before inhibitor or catalyst is introduced, allowing isothiocyanate modification of chain ends prior to final curing or extrusion processing.

    Final product types

    • Specialty polyurethane adhesives and elastomers
    • High-performance silicone rubber gaskets and sealants
    • Functionalized polymer intermediates for custom material synthesis

    5. Chemical Synthesis Research – Scaffold Construction in Custom Ligand Discovery

    Contract research organizations and medicinal chemistry laboratories are primary consumers for scaffold design and lead compound optimization, where this intermediate adds diverse reactivity to design libraries. Researchers require chemical purity and supply chain documentation to comply with screening program protocols and patent support filings. Each delivery includes validated spectral data and rigorous certificate of analysis for reproducibility in high-throughput screening campaigns.

    Industry compliance standards

    • ISO 9001 for internal supply chain control
    • GLP compliance for compound library synthesis
    • Material transfer agreement documentation for project-based R&D
    • Scholarly publication and patent specification guidelines (WIPO, USPTO)

    Typical usage ratio

    • 0.5–1.5 equivalents per core scaffold or building block in parallel synthesis; molar ratio based on combinatorial protocol and diversity element selection.

    Downstream process integration

    • Integrated into custom reaction plates or flow reactors post-functional group conversion, preceding salt formation, or rapid purification for analytic or biologic screening output.

    Final product types

    • Compound screening library members for target identification
    • Protected ligand intermediates for lead development
    • Custom-functionalized building blocks for proprietary R&D workflows
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    Certification & Compliance
    More Introduction

    4-Ethoxycarbonylphenyl Isothiocyanate: A Manufacturer’s Perspective

    Introduction to 4-Ethoxycarbonylphenyl Isothiocyanate

    Over the decades in chemical production, familiarity with the nuanced needs of research and development labs, pharmaceutical manufacturers, and specialty material developers becomes second nature. Each molecule takes on its own significance. Among the well-performing compounds, 4-Ethoxycarbonylphenyl Isothiocyanate draws attention for its versatility and established reliability in advanced synthesis routes. Production batches have supported countless research endeavors, fuelling innovation across organic chemistry, medicinal compound development, and targeted functionalization applications. Real-world data consistently points to its role as a dependable partner for chemists aiming to unlock new reaction pathways or create next-generation molecules.

    The chemical structure, based on a phenyl isothiocyanate core modified with an ethoxycarbonyl group, sets it apart in its class. Our commitment to quality manufacturing removes the unpredictable variables so frequently encountered with intermediates procured from disconnected supply chains. Careful monitoring during production and extensive batch testing uphold the reproducibility that project chemists require. This reliability stems from an accumulated wealth of manufacturing experience, paired with a practical understanding of what end users expect from every shipment.

    Core Properties and Model Availability

    4-Ethoxycarbonylphenyl Isothiocyanate stands as a distinctly purposed reagent. Its chemical model centers on an aromatic ring attached to an isothiocyanate group, flanked by an ethoxycarbonyl substituent. This design was chosen for its balance between stability and reactivity. In the manufacturing environment, strict process supervision ensures that material maintains a high degree of chemical purity and defined physical appearance—typically a crystalline solid fit for direct weighing and solution preparation. Final samples, routinely checked by NMR and HPLC, fall within tightly set purity parameters (often exceeding 98%).

    Unlike lower-grade analogs or isothiocyanates with less rigorous quality control, our product minimizes the unpredictable risks of trace contaminants or byproducts, helping researchers avoid false negatives and purification headaches. It shifts the focus from troubleshooting raw material inconsistencies to unlocking new discoveries. Dimensions of batch size and packing formats reflect the actual needs of customers; from research grams to kilogram-scale lots, production scales efficiently without loss of integrity.

    Long-term storage stability is crucial since some projects enter dormant phases before reactivation. Feedback from years of monitored storage demonstrates that material integrity holds remarkably well under proper conditions—sealed containers kept away from moisture and direct sunlight suffice. Regular shelf-life studies help keep this assurance rooted in practical observation, not empty promises.

    Application Insights and Practical Impact

    Lab teams rely on 4-Ethoxycarbonylphenyl Isothiocyanate mainly for its ability to introduce the isothiocyanate functional group onto various substrates. This reactivity provides a robust route for constructing thiourea motifs and related heterocycles, essential tools in drug discovery and advanced material research. In practice, researchers appreciate its moderate solubility in common organic solvents and the predictable behavior during electrophilic addition reactions.

    Medicinal chemistry programs value this compound for forming linkers and coupling segments in early-stage lead optimization. The ethoxycarbonyl group enhances selectivity in some synthetic operations, allowing for more controlled derivatization when compared to unsubstituted phenyl isothiocyanates. Our team has seen published studies and patent filings that rely on this very feature. Direct communication with chemists further underscores its application in complex molecule assembly, from kinase inhibitors to material science monomers.

    Our own pilot projects, run in collaboration with development chemists, have underscored the product’s stability across a collection of classic isothiocyanation protocols. Yields remain high, impurity levels stay manageable, and downstream purification rarely encounters surprises. It is this robust, “what-you-see-is-what-you-get” performance that encourages repeat engagement from seasoned professionals. Reports from pharmaceutical research highlight the benefit of this engineered selectivity, allowing modification of specific scaffolds without triggering excess side reactions.

    Manufacturing Distinctions

    As a full-scale manufacturer, direct supervision throughout every stage of the synthesis is a point of pride. Each production run proceeds from raw input characterization to final finished product with hands-on oversight. Input materials undergo thorough vetting and qualification, sourced from longstanding partners with a proven record for consistency. Our technical staff remains intimately familiar with the quirks and safety concerns of this chemistry, providing critical oversight that a broker or trader simply cannot offer. On-site analytical labs allow real-time verification, enabling rapid adjustments if deviations arise. This approach brings tangible confidence to customers, removing the uncertainties that typically shadow purchases from third-party suppliers.

    Environmental responsibility plays a central role. Waste is minimized at every process step. Efforts to recover and recycle solvents go beyond regulatory compliance, driven by firsthand appreciation for the impact of chemical manufacturing footprints. Process improvements are reviewed by plant engineers after each campaign; this living feedback loop ensures the production line evolves alongside safety findings and user trends. Inspection protocols and documentation standards match those of leading pharmaceutical companies, not just commodity chemical operations.

    Shipping protocols reflect years of direct customer dialogue. Demand for unbroken packaging, clear labeling, and granular batch records has informed our logistics operations. Orders ship with complete analytical certificates generated in-house, including up-to-date test results from every lot. If a customer encounters any unusual characteristics in a sample, our production team addresses concerns directly rather than relying on a middleman. These layers of transparency—born out of manufacturer experience, not generic promises—allow customers to focus on their core tasks, not supply chain troubleshooting.

    Comparison to Alternatives and Distinct Advantages

    Few phenyl isothiocyanate derivatives on the market provide the balance between synthetic utility and operational safety found in this compound. Many basic isothiocyanates carry handling challenges—unpleasant odors, volatility issues, or challenging byproduct cleanup. The ethoxycarbonyl-substituted version demonstrates reduced volatility, lowering the risk of accidental inhalation or workplace contamination. Field reports from labs confirm these practical benefits, translating to easier workup and less frequent equipment maintenance.

    Generic isothiocyanates might appear less expensive at first glance, but their performance never quite matches the expectations of experienced synthesis teams. Greater batch-to-batch variability in unregulated imports has led to lost hours troubleshooting unexpected peaks or unexplained reactivity shifts, something our stable output helps avoid. Unsubstituted phenyl isothiocyanate, widely available as a commodity, lacks the additional functional handle offered by the ethoxycarbonyl group. In downstream chemistry, this translates to fewer options for subsequent transformation and reduced potential for rational design.

    Competing premium-grade variants from non-producer intermediaries often introduce risks of relabeling or rebranding, masking the true chain of custody. As an original manufacturer, every gram produced can be traced from precursors through the shop floor to the customer. This assurance of direct origin, reinforced by robust documentation, shields research teams from both regulatory setbacks and practical disruptions. Years of customer audits have shaped our practices—site inspections, retained sample programs, and open technical information exchange have all become the norm, not the exception.

    Quality Processes Backed by Real-World Results

    Batch records do more than tick compliance boxes; they reflect the lessons accumulated from hands-on production and customer feedback cycles. Each new batch incorporates not just the best available analytical tools but also insights drawn from actual field outcomes. For example, an uptick in customer requests for lower particulate content led us to invest in enhanced filtration systems. Increased demand for longer shelf life encouraged incremental improvements in micro-environment packaging. These tangible process gains echo across global research labs, cutting the frustration of unpredictable start-up or requalification cycles.

    Close customer relationships reveal issues faster than any customer satisfaction survey could. A run of unusual reactivity or color variation surfaces almost immediately thanks to these established connections. Time saved in resolving such issues means project teams avoid costly delays, accelerating the push from bench to application. This is experience at work: leveraging open feedback channels, responding with practical improvements, and reinforcing a culture of accountability across our plant staff.

    Regulatory compliance follows as a natural extension of this culture. Internal standards, modeled after ICH and regional pharmaceutical guidelines, shape not just documentation but also training programs for new hires. This continuity stands in contrast to variable practices carried out by smaller-scale or reseller-driven operations. Systems for batch traceability, deviation controls, and analytical verification integrate into daily routines from operator shifts up to management reviews.

    Certifications earned over the years represent milestones rather than endpoints. Ongoing investment in calibrating and modernizing our analytical fleet—HPLC, NMR, FT-IR, and mass spec—anchors our commitment to delivering results that meet or exceed customer specifications on every release. We understand well that a certificate has little meaning if field samples fail to perform.

    Responding to Evolving Industry Needs

    Advanced applications in pharmaceutical discovery, material science, and diagnostics have shifted the demands placed on specialty reagents. Today’s project leaders bring with them expectations formed by decades of rapid change. With resources stretched and timelines condensed, the room for error or inconsistency has shrunk. Midstream supply disruptions or unexpected impurity profiles split research budgets and delay critical programs.

    Our approach adapts to these realities. Flexible order quantities, transparent lead time communication, and support for just-in-time delivery all grow from lessons learned in close manufacturing-customer partnerships. Early adoption of digital tracking and batch reporting systems supports both regulatory compliance and user-friendly data management. On-site technical support, long cultivated and afforded by direct manufacturer-customer relationships, means answers are available within the hour—whether in reference to analytical challenges, new application requirements, or long-term storage questions.

    As advanced materials chemistry and custom organic synthesis move forward, functional isothiocyanates like this compound continue to play an enabling role. Users report positive experiences combining the ethoxycarbonyl group with diverse scaffolds—from advanced ligand production to polymer crosslinking studies. Hearing from end users guides ongoing product refinements—be it packaging format, documentation, or analytical report customization—motivating process engineers and plant staff alike.

    Directions for Process and Application Improvement

    Some recurring hurdles for researchers remain, particularly surrounding reactivity optimization and waste minimization. 4-Ethoxycarbonylphenyl Isothiocyanate responds well to standard anhydrous conditions, but the subtleties of different starting materials occasionally call for tailored protocols. Over the years, we have solicited and shared case studies in collaboration with university and pharmaceutical partners to support best practices in handling and application.

    Controlled moisture exposure, proper sealing, and careful solvent selection routinely feature in these recommendations. Feedback shared by seasoned users makes its way into advisory notes and online knowledgebases maintained for all purchasing customers. Technical support doesn’t end at shipment—batch-specific performance details and troubleshooting guides grow out of direct manufacturer involvement in real research contexts. Experience confirms that personalized help simply reduces wasted time and cost.

    On the production side, environmental stewardship remains a focus for future investment. Process chemists continually iterate solvent recovery and waste handling strategies to keep pace with rising expectations for green chemistry compliance. Our pilot facility serves as a testbed for refining new purification and crystallization techniques, searching for improvements that keep both product quality and sustainability in focus.

    Product development runs parallel to process improvement. Regular consultation with our research customers points to demand for new substitution patterns, increased solubility, or expanded application windows. Learning from these user-driven insights, we periodically release technical bulletins summarizing findings and suggestions. These bulletins draw, not from theoretical idealizations, but from actual production runs and applications tested by skilled chemists putting 4-Ethoxycarbonylphenyl Isothiocyanate through its paces.

    Community, Collaboration, and Knowledge Exchange

    A strong manufacturing origin links us to a network of chemists, formulation experts, and process engineers who value not just supply reliability but also open knowledge exchange. Participation in international conferences, publication of technical notes, and active engagement with standards bodies illustrate a commitment to the chemistry community that transcends single product offerings.

    The ongoing challenge of improving specialty reagent production, like that of 4-Ethoxycarbonylphenyl Isothiocyanate, is as much about communication as technical expertise. In concrete terms, findings from process optimization or reaction improvement in our facilities often find their way into broader industry knowledge channels, benefitting both established and emerging research leads.

    Talks with partners in academia and industry continue to illuminate common pain points. For example, feedback on reaction clean-up methods led us to rethink the standard solvent system provided to large-scale buyers. Shared data on impurity profiles generated discussion about internal reference standards, feeding into both improved documentation and batch-to-batch consistency.

    A number of collaborations with biotech and pharmaceutical incubators have emerged from shared experiences at the bench, not just boardroom negotiations. These grow into lasting partnerships, informing both our approach to product improvement and our ability to anticipate emerging needs. The resulting feedback loop elevates manufacturing standards and keeps the science moving forward.

    Addressing Challenges and Supporting Innovation

    Supplying fine chemical intermediates across a global marketplace never comes without obstacles. Logistics, regulatory compliance, and shifting project priorities all affect the steady flow of materials required by demanding development timelines. Being both supplier and manufacturer allows direct response—logistics bottlenecks receive immediate attention, and documentation needs are fulfilled without delay.

    A large part of our effort involves anticipating the shifting regulatory landscape. International trade requirements, dual-use restrictions, and evolving industry certification schemes shape day-to-day operations. Regular audits and compliance reviews keep the team accountable and deliver peace of mind to downstream users, who often face mounting documentation and reporting responsibilities.

    Incidents of supply chain disruption have grown more common. Drawing on decades of direct production and controlled warehousing, risk-mitigation protocols—such as finished goods backup in multiple locations and diversified raw input sources—minimize these interruptions. These measures, rarely visible to end users, form a quiet but firm backbone behind each order of 4-Ethoxycarbonylphenyl Isothiocyanate.

    Knowledge transfer plays a key role in managing challenges tied to new user groups or emerging applications. As research moves toward automation and data-driven protocol design, technical support extends to digital knowledge exchange. Application notes, interactive Q&A sessions, and protocol repositories empower researchers to meet their project milestones. Our role is not limited to raw supply but expands to informed partnership, encouraging innovation and reducing barriers to discovery.

    Reflections From the Production Floor

    Sourcing, manufacturing, and delivering specialty chemicals like 4-Ethoxycarbonylphenyl Isothiocyanate fosters a rich tapestry of lessons learned. Every process run, quality audit, and customer inquiry feeds into the collective know-how that shapes ongoing production and product development. This practical legacy ensures each lot meets a clear, real-world standard shaped by those who work closest with the product.

    Chemists stationed in production acknowledge the daily reality of staying ahead of supply demands. Unforeseen equipment hitches, raw material constraints, or surges in order volume have all sharpened flexibility and adaptability among the staff. The product’s consistent high performance arises directly from this responsive, rooted experience. Operators take pride in first-hand knowledge of both product and purpose—knowing where the material goes, understanding how it’s used, and learning how small process changes ripple outward through customer results.

    Whether supporting a breakthrough in medicinal chemistry or a routine process scale-up, every batch of 4-Ethoxycarbonylphenyl Isothiocyanate embodies the practical expertise honed over countless production cycles. Stories from user labs, feedback on bottlenecks, and ideas for new derivative offerings all become part of a running dialogue between production staff, technical support, and chemists in the field. Success traces back to experience-driven improvement and a shared dedication to advancing chemistry, one well-crafted molecule at a time.