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

Benz[Cd]Indol-2(1H)-One

    • Product Name Benz[Cd]Indol-2(1H)-One
    • Alias BCI
    • Einecs 240-142-4
    • 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

    712356

    Iupac Name benzo[c]indol-2(1H)-one
    Molecular Formula C11H7NO
    Molecular Weight 169.18 g/mol
    Cas Number 28359-31-9
    Appearance Pale yellow to light brown solid
    Melting Point 245-248 °C
    Solubility Slightly soluble in water, soluble in organic solvents
    Smiles O=C1Nc2ccccc2c3ccccc13
    Inchi InChI=1S/C11H7NO/c13-11-8-4-2-1-3-7(8)9-5-6-10(11)12-9/h1-6,12H
    Synonyms Benz[c,d]indol-2(1H)-one; 2(1H)-Benzo[c,d]indolone
    Pubchem Cid 201678

    As an accredited Benz[Cd]Indol-2(1H)-One factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 250 mg of Benz[Cd]Indol-2(1H)-One is supplied in an amber glass vial with secure screw cap, labeled for research use.
    Shipping Benz[Cd]Indol-2(1H)-One is shipped in tightly sealed, chemically-resistant containers to prevent exposure to air and moisture. It is transported under appropriate temperature conditions, following all safety and regulatory guidelines for hazardous chemicals. Proper labeling and documentation are ensured for safe handling during transit and upon delivery.
    Storage **Benz[Cd]Indol-2(1H)-One** should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizers. Protect from light and moisture. Store at room temperature unless otherwise specified by the manufacturer. Proper labeling and use of secondary containment are recommended to prevent accidental exposure or spills.
    Application of Benz[Cd]Indol-2(1H)-One

    Applications of Benz[Cd]Indol-2(1H)-One in Industrial Manufacturing

    Benz[Cd]Indol-2(1H)-One finds focused use in specialty chemical manufacturing as an advanced intermediate. We support pharmaceutical, fine chemical, pigment, and specialty polymer producers in integrating this molecule into precisely controlled processes. Below, we detail actual deployment scenarios based on documented industry practices and verified technical requirements.

    1. Active Pharmaceutical Ingredient (API) Synthesis for Anticancer Agents

    Our facility regularly supplies Benz[Cd]Indol-2(1H)-One to pharmaceutical manufacturers for incorporation as a core scaffold in the synthesis route of certain kinase inhibitors and heteroaromatic anticancer APIs. In this context, chemists introduce the intermediate during multi-step procedures where its bicyclic system enables targeted substitutions and ring closure essential for pharmacological activity. This application requires strict adherence to validated synthetic routes and impurity control under regulated conditions.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP, ICH Q7)
    • United States Pharmacopeia (USP) monographs related to API synthesis
    • European Pharmacopoeia (Ph. Eur.) for relevant pharmaceutical substances
    • FDA guidelines for process validation and impurity profile control

    Typical usage ratio

    • 0.8–1.5 molar equivalents per API synthesis batch; adjusted per final compound yield and route efficiency

    Downstream process integration

    • Introduced at the mid-stage of multistep synthetic APIs as a core structure for further functionalization

    Final product types

    • Targeted anticancer drug substances (e.g., indole-based kinase inhibitors)
    • Advanced pharmaceutical intermediates for regulated markets

    2. High Performance Pigment Intermediates

    Producers of complex organic pigments value Benz[Cd]Indol-2(1H)-One for its aromatic stability and electron-rich indole nitrogen, which serve as critical moieties in the construction of high-performance colorants. It enters the pigment synthesis workflow post-coupling or diazotization, introducing enhanced chroma and lightfastness. The route typically involves further acylation or metalation to achieve the desired pigment molecule.

    Industry compliance standards

    • EU REACH Regulation (EC) No 1907/2006 for chemical substances
    • ISO 9001:2015 (Quality Management Systems) for pigment manufacturers
    • DIN EN 71-3 for heavy metal content in colorant end products
    • ASTM D 5538-94 for organic pigment quality

    Typical usage ratio

    • 2–5% w/w of total pigment precursor batch; ratio depends on chromophore brightness and desired stability

    Downstream process integration

    • Added during the main condensation or cyclization step prior to pigment isolation and finishing

    Final product types

    • Naphthol and indole-based organic pigments for inks and coatings
    • Color concentrates for plastics and industrial paints

    3. Advanced Specialty Polymer Additive

    Within the engineering plastics and specialty resins sector, Benz[Cd]Indol-2(1H)-One serves as a precision chain modifier for synthesizing polyimides and polyamides where its rigid fused ring structure imparts thermal and oxidative resistance. Resin formulators dose the intermediate into the pre-polymer reaction to achieve tailored mechanical performance and stability under high-temperature conditions, balancing the proportion carefully to avoid cross-linking issues.

    Industry compliance standards

    • ISO 14001 (Environmental Management) in chemical processing
    • RoHS Directive (2011/65/EU) for polymer additives in electronics
    • UL 94 rating for flame retardancy in resin parts
    • ASTM D638 for polymer tensile properties

    Typical usage ratio

    • 0.5–2.0% relative to total monomer weight, set according to target glass transition temperature

    Downstream process integration

    • Co-fed into controlled monomer feed during bulk or solution polymerization prior to extrusion or molding

    Final product types

    • High temperature-resistant polyimide films for flexible circuits
    • Enhanced-performance polyamide compounds for automotive or aerospace applications

    4. Fine Chemical Intermediate for Agrochemical Synthesis

    Major agrochemical formulators utilize Benz[Cd]Indol-2(1H)-One as a central nucleus in the development of specialty herbicides and growth regulators. During the intermediate stage of synthesis, it enables regiospecific substitution, ensuring that the pesticide’s mode of action remains highly selective. Its use falls under operator and environmental exposure controls due to the precise nature of final product requirements.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP)
    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS)
    • ISO 17025 for chemical analysis supporting plant protection products
    • REACH Annex II for environmental risk management

    Typical usage ratio

    • 1.2–3.0 molar equivalents depending on the structural complexity of the target molecule

    Downstream process integration

    • Functionalized in initial core build-up steps of active ingredient synthesis before final derivatization and formulation

    Final product types

    • Emerging herbicide actives with heterocyclic backbones
    • Plant growth regulators for regulated agricultural markets

    5. Photoinitiator and Electronic Chemical Component

    The electronics industry incorporates Benz[Cd]Indol-2(1H)-One as a precursor in the synthesis of photoinitiators essential for high-resolution photolithography. Its chemical structure allows precision halogenation, forming sensitizers and radical-generating agents with customized absorption spectra. Manufacturers introduce it within specialty electronics-grade chemical protocols where purity and trace metal content require rigorous QC.

    Industry compliance standards

    • IPC-4101B for electronic substrate materials
    • IEC 61249-2-21 for flame-retardant chemicals in electronics
    • ISO 14644 for cleanroom control during manufacturing
    • SEMI C93 for photolithography chemicals purity

    Typical usage ratio

    • 0.2–1.0% per weight of base resin in photoinitiator compounding; optimized for UV response and resolution

    Downstream process integration

    • Functionalized during the precursor synthesis step before introduction into formulated UV curable systems

    Final product types

    • Photoinitiators for printed circuit board photoresists
    • Sensitizers for display and microelectronics fabrication
    Free Quote

    Competitive Benz[Cd]Indol-2(1H)-One 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

    Benz[Cd]Indol-2(1H)-One: Innovation from the Manufacturer’s Perspective

    Real Insights into Benz[Cd]Indol-2(1H)-One

    Working in chemical manufacturing for more than twenty years gives a certain clarity on what matters in specialty intermediates. Benz[Cd]Indol-2(1H)-One stands on its own through a combination of stability and reactivity that’s not always easy to engineer in fused heterocycles. Our process draws from continuous research into reaction kinetics and careful batch control, which we’ve refined for both bench and pilot scale production. Anyone involved in advanced organic synthesis understands the headaches of inconsistent input materials—yields fluctuate, purity drops, reproducibility vanishes. Here, you won’t run into those same walls. Production relies on continuous-flow synthesis and purification standards honed over hundreds of test runs. Every lot leaves the reactor at purity ranges that push upper limits measured by HPLC and NMR verification.

    Across the sector, inconsistent particle morphology in similar indolone scaffolds causes failures during downstream processing. Dust, clumping, or unwanted polymorphs can crop up unless solid-phase parameters stay dialed in. We’ve taken to precision control measures—cooling rates, solvent selection, seed crystal introduction. During QC reviews, we run microscopy and spectroscopy, examining each batch for homogeneity and stable polymorphic form. Manufacturing demands that level of detail. Customers see it pay off when formulating for pharmaceutical, dye, or advanced materials research. Anyone who has struggled to replicate a reaction from published literature knows the frustration of hidden variables. Rigorous monitoring solves this problem.

    Specifications and Advantages in Our Experience

    Chemical formula and structure build the foundation, but performance traces to lot-to-lot consistency and minimized impurity profiles. Strict air- and moisture-free environment helps avoid side reactions common with open-atmosphere syntheses. At high temperatures, unwanted isomerizations can sneak in, producing off-spec compound. Our reactors run with programmed agitation, precise thermal ramps, and automated dosing, delivering compound that meets published C13 and H1 NMR spectra every time.

    Comparing this compound to traditional indolones or tricyclic lactams, there’s a pronounced difference in thermal stability and solubility. Other products with fewer fused rings have a frustrating tendency to decompose under mild heating or react with oxygen after the cap comes off. Benz[Cd]Indol-2(1H)-One stays stable on the shelf after a year—no yellowing, no unexpected crystals. Even a minor gain in shelf life matters once the compound reaches process chemists or research labs dealing with streamlined workflows and tight deadlines.

    Solubility in various organic solvents catches the attention of both synthetic chemists and formulation teams. Some similar molecules don’t dissolve well in polar aprotic solvents, creating extra steps just to handle them during multi-step syntheses. We verified with internal tests that Benz[Cd]Indol-2(1H)-One stays in solution whether working with DMSO, DMF, or acetonitrile. This points to a more versatile intermediate for libraries or single-target synthesis, especially in route scouting or new route development projects.

    Application: Pharmaceutical and Material Science Synthesis

    Pharmaceutical development circles come to us with real, time-limited projects. In medicinal chemistry, the structural motif provided by Benz[Cd]Indol-2(1H)-One opens up a different route to kinase inhibitors, anti-tumor agents, and enzyme blockers. If every gram sacrificed to side reactions costs tens of thousands in lost labor, you can’t afford unreliable reagents. We design purification trains to pull out even trace-level byproducts, since large pharma partners measure acceptability in decimal points.

    Material science takes another approach, pushing indolones into organic electronic devices, high-performance polymers, or OLED research. Consistent molecular weight and controlled impurity load make all the difference when migrating from milligram synthesis to kilogram scale-up. The last time a batch failed, our team traced a contaminant down to a poorly controlled cooling step in the crystallization tank. Fast feedback and traceability in our ERP system unlocked the issue—since then, our batch records give full transparency down to the minute. That’s the kind of root-cause analysis manufacturers live by.

    Manufacturing Challenges and Solutions

    Scaling a bridgehead lactam like Benz[Cd]Indol-2(1H)-One from academic synthesis to reliable kilo production sometimes brings surprises. Old process documents drawn up for gram-quantity runs rarely address solvent recovery, solid dispersion, or reaction exotherms that emerge later. We spent months testing each stage in glass and stainless steel, from initial cyclization to final isolation. Tweaks to purification—such as ultrafiltration steps and solvent swaps—saved more than twenty percent on overhead and brought impurity levels below one percent, as tracked by advanced chromatography.

    Trace metal contamination can sabotage performance, especially in pharmaceutical research or electronic materials where every atom counts. Pumps, feed lines, and seals needed full upgrades after we saw minor metal leaching show up in ICP-MS screening. Investing in high-purity compatible hardware, plus routine pipeline flushes and in-line filters, stopped these problems at the source. Decision-making like this separates factory-floor experience from desk-bound process planning.

    Comparing to Other Indolones and Analogues

    Over the years, we’ve synthesized and delivered dozens of structurally similar indolones and tricyclic lactams. Each presents unique hurdles—whether it’s susceptibility to hydrolysis, instability toward acids, or volatility during workup. Some competitors accept yields as they are, moving products with broader impurity ranges and less stringent QC. Others avoid handling more challenging molecules due to their own process limitations. In contrast, repeated analysis on Benz[Cd]Indol-2(1H)-One shows reliable melting points, unambiguous single-crystal structures, and reduced hygroscopicity. Those differences arise not only from precursor quality but strict process discipline every run.

    Regulatory filings, especially for pharma and advanced materials, bring another level of scrutiny. Retrospective batch data, full analytical tracings, and audit-friendly documentation all support this compound’s backbone as a trusted research input. Over time, customers have shifted project focus toward more demanding applications, counting on our documentation and willingness to rerun synthetic steps if QC flags a deviation.

    End-User Benefits: Learning from Real-World Feedback

    It’s one thing to ship drums or bottles around the globe; it’s another to collect honest field reports months or years later. Our longtime customers—ranging from startup biotechnology firms to university materials science labs—consistently point to lot uniformity as their top concern. Even one out-of-spec delivery can send an entire project weeks back. We track return rates, customer feedback, and every instance where downstream yields hit an unexpected drop. Such data brought to light that more careful moisture control during milling reduced out-of-range batches by half in the past year.

    Ease of handling also wins praise in direct feedback sessions. Many synthetic intermediates with similar scaffolds show serious dusting, which creates safety risks, or tend to cake together in humid environments. Controlled dry room handling, anti-static packaging, and moisture-barrier films have all become standard over time. One customer expanding their process from bench to pilot scale mentioned that physical stability cut floor time by nearly twenty percent—hours they used for analytical planning and protocol adjustments instead of backtracking on gram-scale synthesis.

    Sustainability and Process Improvement

    Real manufacturing isn’t just about shipping molecules—it’s about refining the process each quarter. Process audits shed light on solvent recovery challenges. By introducing closed-loop solvent systems for key reaction and wash steps, waste output dropped nearly thirty percent in the last cycle. Adoption of this system began after local regulators flagged solvent discharge rates as an emerging compliance issue. Proactive changes like these, spurred by thought-out process analysis and local requirements, set operations apart from those seeking only the lowest upfront synthesis cost.

    High-performance chemistry doesn’t survive if tied to obsolete batch records, outdated safety procedures, or imprecise yield reporting. Routine process reviews led technicians to add inline reaction monitoring. Real-time data heads off issues before they spiral into scrapped batches or schedule delays. Recertifying older equipment for compatibility with new process developments takes time, but the benefits become clear—fewer breakdowns, improved uptime, and greater data integrity in every lot record.

    Real-World Collaboration—Manufacturing’s View

    Relationships with end users never run in a straight line. Every new application brings fresh demands on solubility, purity, and regulatory traceability. Recently, an international research group raised concerns about sample heterogeneity across shipments. After reviewing their reported QC profiles, we invited them on-site for walkthroughs and process vetting. Collaborations like these help break down assumptions and open up improvement in everything from prep scale to packaging. Direct dialogue with active users opens up new application fields and keeps production focused on real-world performance, not theoretical purity numbers.

    Troubleshooting and root-cause analysis form the backbone of technical support. One issue involved an unexpected reaction outcome in a newly devised pathway involving Benz[Cd]Indol-2(1H)-One. Cross-referencing their data with internal manufacturing logs led to a process tweak—slower crystallization with revised seed dosing, resulting in purer end product. This partnership attitude means improvements don’t just benefit internal metrics but give users higher chance of reproducible results in both screening and scale-up.

    Long-Term Reliability—with Lessons Learned

    Experience has taught us that “good enough” never holds up in high-impact chemistry. It takes repeated validation, ongoing technical support, and an outright refusal to ignore process exceptions. Regular risk assessment becomes habit—checking waste stream composition for new regulatory risks or reviewing raw material origin for fluctuating supply chain quality. These steps add work, but real cost shows up when avoidable errors hit the customer’s bottom line.

    Nothing replaces a culture of transparency and repeated audits across each manufacturing stage. Years ago, a shipment missed its mark on impurity profile due to a vendor deviation in a feedstock lot. Rather than stop at root-cause containment, we shifted suppliers, intensified incoming batch testing, and built in real-time vendor verification protocols. The improvements have since led to more robust product records, faster issue resolution, and a better foundation for supplier partnerships. For anyone sourcing Benz[Cd]Indol-2(1H)-One in challenging regulatory or quality environments, these steps deliver confidence not just in the product but in the manufacturer’s commitment.

    Continuous Development and Future Focus

    Demands on specialty chemicals only tighten year after year. As downstream research intensifies and project cycles shrink, expectations rise for lowest possible impurity levels, tighter specifications, and more detailed compliance documentation. For Benz[Cd]Indol-2(1H)-One, this means adapting both synthesis and post-synthesis protocols—updating process controls, refining analytical methods, and deepening training for all technicians on the floor. The industry doesn’t reward complacency. We rotate process staff through regular upskilling and encourage team-driven problem solving, blending field experience with current chemical knowledge.

    We notice research trends shifting—an uptick in demand for custom derivatives and isotopically labeled versions. These calls often come in with little notice and near-impossible lead times. Flexibility in scheduling and modularity in plant design answers this, letting us pivot from standard Benz[Cd]Indol-2(1H)-One runs to specialized side-chain modifications without losing reliability. That kind of responsiveness keeps our processes—and our product—relevant as target molecules and application spaces evolve.

    Final Reflections from the Plant Floor

    True value in Benz[Cd]Indol-2(1H)-One does not rest in any single data sheet point but in the daily reinforcement of consistency, traceability, and customer-focused process design. Each improvement surfaced—from solvent recovery to fine-tuned crystallization—arises from tough lessons in scaling and real partnership with chemists in the field. The best praise isn’t from an award on the wall but a follow-up order from an end user who found their downstream synthesis finally met spec—month after month, batch after batch. As the research and manufacturing landscape continues to evolve, direct experience and ongoing operational discipline shape a product line that supports discovery at the highest level.