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5-Amino-1-N-Methylindole

    • Product Name 5-Amino-1-N-Methylindole
    • Alias 5-Amino-N-methyl-1H-indole
    • Einecs 629-537-6
    • 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

    706658

    Chemical Name 5-Amino-1-N-Methylindole
    Molecular Formula C9H10N2
    Molecular Weight 146.19 g/mol
    Cas Number 16152-10-9
    Appearance Solid, typically light yellow to brown
    Melting Point 98-101°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Storage Temperature Store at 2-8°C
    Smiles CN1C=CC2=C1C=CC(=C2)N

    As an accredited 5-Amino-1-N-Methylindole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 25 grams of 5-Amino-1-N-Methylindole, tightly sealed with a screw cap and labeled for laboratory use.
    Shipping 5-Amino-1-N-Methylindole is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. Packages are appropriately labeled according to chemical safety regulations and transported as per hazardous materials guidelines. Handling requires use of personal protective equipment (PPE), and shipping must comply with local and international chemical transport regulations.
    Storage 5-Amino-1-N-Methylindole should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from light and moisture. Store at room temperature or as recommended by the manufacturer. Use proper containment to avoid environmental contamination and ensure appropriate labeling for chemical safety.
    Application of 5-Amino-1-N-Methylindole

    Applications of 5-Amino-1-N-Methylindole in Industrial Manufacturing

    5-Amino-1-N-Methylindole is a key intermediate in advanced chemical synthesis routes. Our manufacturing expertise ensures consistent supply of this specialty compound for demanding downstream applications in pharmaceuticals, dyes, agrochemicals, specialty chemicals, and advanced materials sectors. Below are the principal industrial uses with detailed integration, standards, batch formulation, and finished goods portfolio for genuine manufacturing operations.

    1. Pharmaceutical API Synthesis

    Major pharmaceutical manufacturers use 5-Amino-1-N-Methylindole as a core building block for novel active pharmaceutical ingredients (APIs), particularly in the development of indole-based anti-cancer agents and CNS-active compounds. The compound undergoes amide coupling or cyclization reactions to yield key pharmaceutical scaffolds. Manufacturers must ensure traceability and strict impurity control at this stage, with GMP batch documentation supporting global regulatory filings.

    Industry compliance standards

    • Good Manufacturing Practice (GMP, ICH Q7)
    • US FDA 21 CFR Part 211 (for drug substance manufacturing)
    • EU EMA EudraLex Volume 4
    • Relevant pharmacopoeial monographs (USP/JP/EP, depending on target API)

    Typical usage ratio

    • 0.08–0.25 molar equivalents per target indole in condensation step
    • Ratio adjusted per molecule yield, scale, and downstream purification requirements
    • Control based on limiting reagent test batch yields
    • Waste minimization by close stoichiometry management

    Downstream process integration

    • Input in early-stage API intermediate formation (e.g., amination and coupling steps)
    • Reaction under N2/inert atmosphere for high-purity synthesis
    • Supports both small-molecule and peptidomimetic drug substance synthesis
    • Directly enters closed-loop reactors designed for hazardous chemical handling

    Final product types

    • Oncology drug substances (novel indole alkaloids)
    • Serotonin receptor modulators (neuropharmaceuticals)
    • Antimicrobial small molecules with indole core
    • Bulk API intermediates for contract manufacturing supply chains

    2. Specialty Dye and Pigment Manufacturing

    Manufacturers in the specialty colorant sector employ 5-Amino-1-N-Methylindole as a coupling and modifying agent in vat and reactive dye synthesis. The aromatic amine group introduces color fastness and intensity improvements, specifically for technical textiles and high-performance coatings. Controlled reaction pathways are essential for compliance with dye purity and consumer safety regulations.

    Industry compliance standards

    • OEKO-TEX® Standard 100 Annex 4 (dye textile applications)
    • REACH Regulation (EC) No 1907/2006 (EU chemicals regulation)
    • EN 71-3 (Safety of toys – migration of certain elements)
    • GHS labeling for industrial dye intermediates

    Typical usage ratio

    • 3–7% weight-to-weight relative to total dye mass in condensation or diazotization reaction
    • Adjustment based on end-use fabric (cotton, polyester, nylon, etc.)
    • Dose calibration per desired chroma and lightfastness
    • Excess addition for batch-to-batch consistency control

    Downstream process integration

    • Chemo-selective input in diazo-coupling and acylation stages
    • Batch kettle reactions under elevated temperature with pH control
    • Feeds into finishing and purification lines to meet export dye purity grades
    • Closed-loop solvent recovery systems applied for waste mitigation

    Final product types

    • Technical textile dyes (vat, reactive, dispersive)
    • Inkjet pigment dispersions for digital printing
    • Special effect colorants for polymers and films
    • High-performance automotive and industrial coatings

    3. Agrochemical Intermediate Manufacturing

    In the crop protection sector, 5-Amino-1-N-Methylindole functions as a strategic intermediate for synthesizing indole-based herbicide and fungicide actives. Large-volume producers integrate the material into multi-step synthetic pathways requiring stringent process control to reduce contamination and ensure application safety throughout the agricultural chain.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • EU Regulation (EC) No 1107/2009 (placing plant protection products on the market)
    • China ICAMA Pesticide Registration Standards
    • ISO 9001:2015 for agrochemical batch production

    Typical usage ratio

    • 5–15% by weight of the total agrochemical active ingredient batch
    • Dosage tuned for specific reaction pathway and yield efficiency
    • Optimization based on seasonal production schedules and feedstock purity
    • Ratio validated by pilot scale-up sample runs

    Downstream process integration

    • Input for heterocyclic ring closure to yield indole herbicide scaffolds
    • Used in multi-step reactor trains with continuous quality sampling
    • Introduced before catalytic hydrogenation or chlorination units
    • Integrated solvent recovery and emission abatement in closed systems

    Final product types

    • Herbicides targeting broadleaf and grass weeds
    • Fungicides for high-value horticultural crops
    • Crop growth regulators with indole frameworks
    • Active ingredient precursors for agrochemical formulation plants

    4. Organic Electronic Materials and OLED Industry

    Producers of advanced functional materials use 5-Amino-1-N-Methylindole as a precursor for synthesizing high-performance indole derivatives in organic semiconductors and organic light-emitting diode (OLED) host materials. Batch-level consistency and electronic purity are critical for device performance, requiring robust QC protocols and documented traceability throughout the supply process.

    Industry compliance standards

    • RoHS Directive 2011/65/EU (restriction of hazardous substances)
    • IPC-4101D (Specifications for Laminates and Prepregs Used as Base Materials)
    • IEC 62321 (determination of certain substances in electrotechnical products)
    • Internal corporate material purity standards for electronics manufacturers

    Typical usage ratio

    • 2–5 mol% as a key monomer or modifier in OLED material synthesis
    • Adjustment for charge transport and emission spectrum targeting
    • Ratio defined by downstream photophysical testing results
    • Higher grade required for blue- and green-emitting layer development

    Downstream process integration

    • Introduced during early organic synthesis of functionalized indole compounds
    • Feeds into reaction vessels under ultra-high purity nitrogen to avoid oxidation
    • Direct linkage with vacuum thermal evaporation or spin-coating lines
    • Final product subject to thin-film morphology QC and device assembly validation

    Final product types

    • OLED host and emitter molecules for display manufacturing
    • Organic semiconductors for flexible electronics
    • Small-molecule charge-transport layer materials
    • Photoconductive materials for optoelectronic applications
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    Certification & Compliance
    More Introduction

    5-Amino-1-N-Methylindole: A Practical Approach to Advanced Chemical Synthesis

    Understanding the Role of 5-Amino-1-N-Methylindole

    The market for indole derivatives keeps evolving, often driven by pharmaceutical and research labs pushing for higher purity and reliability. Through years of hands-on manufacturing, we've seen how sourcing consistent, high-quality 5-Amino-1-N-Methylindole makes a real difference in both experimentation and production. This compound stands out as an essential building block for medicinal chemists focused on developing new active ingredients, and for advanced material scientists who depend on the fine-tuned nuances between similar indoles to achieve the desired end results.

    Why Specificity Matters in Indole Chemistry

    Chemists come to us after struggling with variability in reaction outcomes, especially when working on heterocyclic cores. That struggle often traces back to differences between methylated and non-methylated indoles. The presence of the N-methyl group in our 5-Amino-1-N-Methylindole opens up reaction spaces you can't access with plain indole or non-methylated variants. Our production lines focus specifically on minimizing side-products at every stage, so repeat batches deliver reliable reaction profiles—something we've built our reputation on over years in the field.

    Specifications Built by Experience

    In our operations, we recognize the importance of purity and consistent assay values. Our 5-Amino-1-N-Methylindole typically exceeds expectations, hitting assay marks above 98% by HPLC. Staff monitor origin materials closely, knowing firsthand the impact a contaminated batch can have downstream: more time spent troubleshooting, more raw materials lost, and increased costs for rework. Our standard particle size distribution works well for both solution-based and solid-phase synthesis, bypassing the headaches associated with clumping or poor dispersion.

    Applications Informed by Direct Industry Feedback

    Feedback from research groups and scale-up teams points us toward some of the most impactful uses. Synthesis teams reach for this compound in crafting API intermediates for CNS and oncology leads, largely due to the reliable amino function at position five. We've also seen rapid adoption within dye and pigment laboratories, where the methyl group supports stability under conditions that degrade regular aminoindoles. Our technical support fields weekly calls from lab heads refining reaction conditions or troubleshooting scale-up issues; this exchange guides our continual process adjustments.

    Differences from Other Indole Variants

    Chemists switching from 5-aminoindole or N-methylindole analogs pick up on the behavioral distinctions in solvent selection, coupling efficiency, and tolerance to heat. Our production chemists have run the same synthesis sequences with several indole alternatives, consistently observing that non-methylated versions introduce unpredictable side products. The N-methyl group in our compound enhances selectivity for certain acylation and alkylation reactions. Teams relying on non-methylated analogues tend to hit more dead ends or spend more time isolating impurities—a direct drain on project timelines and bottom lines.

    Meeting the Needs of Medicinal Chemistry

    Companies working in early-stage drug discovery juggle resource constraints and unforgiving project deadlines. They choose intermediates not simply by cost per kilogram but by supplier reliability and technical background. With years at the bench and on the process scale, we've built our protocols around the concerns medicinal chemists face daily: schedule slips due to off-spec material, troubleshooting that amplifies up the management chain, and the lost opportunity from uncertain results. Each batch of 5-Amino-1-N-Methylindole is supported by chromatographic and spectroscopic data; repeat customers trust that QA results from one shipment to the next will match.

    Sustainability Built Into Our Workflow

    Our production systems aim to minimize waste and energy use wherever possible. We dedicate a section of our plant to reclaiming solvents and reusing wash water. Every kilo of 5-Amino-1-N-Methylindole that leaves our facility reflects efforts to reduce environmental footprint—something that attracted new business from partners with green chemistry commitments. Regulatory and market demands have shifted fast in recent years, and we’ve adapted by updating reaction vessels, improving waste capture, and offering full transparency on process solvents used for each batch.

    Direct Feedback Inspires Our Approach

    Over time, the most valuable insights have come straight from customers and shop floor chemists. Several years back, clients shared frustrations around inconsistent solubility and unexplained yield losses. Our manufacturing group responded by redesigning the last purification step and investing in upgraded filtration that cut down on fines and increased recovery by several percent. This hands-on tinkering and the willingness to revisit each step in response to complaints or suggestions sets our material apart from some mass-market offerings that take a “good enough” approach.

    Handling and Storage Informed by Real Experience

    Chemicals like 5-Amino-1-N-Methylindole don’t tolerate rough handling or poor storage. We ship all product in air-tight, opaque containers because we’ve seen how UV and moisture exposure leads to decomposition—sometimes not obvious until batch testing downstream. In the hot summer months, we take extra care with climate-controlled transit, minimizing loss due to degradation on arrival. Our protocols emphasize minimal transfer points and double-sealed bags inside drums for bulk buyers, all based on troubleshooting times with former shipments that arrived melted, caked, or discolored.

    Supporting Innovation in Analytical Techniques

    Analytical laboratories carrying out method development find particular utility in our material, thanks to its low baseline impurity and consistent chromatographic behavior. We have collaborated directly with lead analysts on setting up new HPLC and LC-MS methods. Many customers have mentioned they can skip baseline corrections or extended sample prep steps. Keeping impurities—especially structurally similar indoles—down to just trace levels helps these labs cut down on false positives and increase throughput, which feeds back into higher productivity across R&D teams.

    Operational Challenges and Solutions

    Chemicals that look similar often behave very differently under real process conditions. Over the years, we have faced bottlenecks linked to poor crystallization and filterability on multi-kilo orders. The synthetic route for 5-Amino-1-N-Methylindole can throw curveballs absent in other heterocycles, particularly in the key methylation stage. Our production chemists revised solvent selection to address clogging and batch-to-batch consistency issues, ordering pilot runs and pressure-testing protocols in response to large customer projects. These process improvements avoid the dreaded downtime that frustrates both plant managers and clients waiting on lead times.

    Practical Attention to Regulatory Needs

    Buyers in pharma and biotech must navigate changing regulatory standards. We provide full documentation of synthesis route, impurity profiles, and potential byproducts. The supporting paperwork stems from on-the-ground understanding of what auditors and regulatory bodies demand, not just a marketing promise. Our team appends Certificates of Analysis, synthetic route summaries, and stability data with each lot shipped, because regulatory scrutineers expect this level of detail in cross-border transactions.

    Comparison with Common Alternatives

    As an indole manufacturer with broad experience, we regularly compare the performance of 5-Amino-1-N-Methylindole with other aminoindoles in similar applications. Pharmaceutical clients confirm that our compound’s methyl group gives it improved metabolic stability in early-stage synthesis, making it more attractive for lead optimization. Those using plain 5-aminoindole or other substitutions often notice unforeseen reactivity or product instability. The feedback we track shows that while generic indoles can sometimes appear price-competitive, few meet the standards required to keep R&D timelines on pace and regulatory teams satisfied.

    Reducing Downtime for End Users

    Production stops and delayed delivery can ripple across entire projects. By investing in redundancy for equipment most prone to failure during the last purification, we've kept unexpected downtime low. Unplanned stoppages cost money and reputation. Direct requests from high-throughput customers prompted us to issue more frequent batch status updates and delivery forecasts so their project plans stay grounded in reality, rather than empty promises or vague shipping windows.

    Integrating Feedback into Batch Scale-Up

    Customers scaling from grams to kilograms meet new challenges—solubility shifts, heat transfer quirks, and handling risks grow more pronounced. Through ongoing partnerships with process development chemists, we have finessed batch scale-up to provide extra technical data and guidance at each step. This real-world back-and-forth tightens our process and reduces the number of surprises. 

    Quality Assurance Backed by Decades of Practice

    While third-party resellers often struggle with mixed sourcing and batch irregularities, we commit to rigorous in-house QA at every stage: from raw material intake through final drum filling. The high degree of control means we can quickly address any deviations, rerun purification if standards aren’t met, and maintain full traceability back through every step of our synthesis. We see customers return after trying “cheaper” material from less scrupulous sources and encountering yield crashes or slowdowns from undetected contaminants.

    Transport and Delivery Dependability

    Reliable timelines matter most to customers juggling critical deadlines. Over the years, we have optimized our export packaging and coordination with major freight carriers to minimize customs delays and hold-ups at destination warehouses. Regular customer surveys highlight the value of up-to-date tracking, along with real-person support reachable outside standard office hours. This hands-on approach addresses real complications experienced by shipping managers who have watched weeks slip away with less responsive partners.

    Ongoing Research and Technical Development

    Chemistry is never static. Research groups bring us new requests each month, looking for tweaks or higher specifications as their methods evolve. We keep a technical development team focused on investigating alternative synthesis routes, greener reagents, and higher-yield purification methods for 5-Amino-1-N-Methylindole—driven not by speculation, but by direct suggestions and new project needs shared by customers. This active feedback loop lets us anticipate shifts in the research landscape and adapt our manufacturing accordingly.

    Adapting to Industry Challenges and Future Opportunities

    Broader industry trends—like shifting regulation, increased demand from rapidly growing markets, and tightening sustainability expectations—present everyday challenges and opportunities for us. We allocate resources to follow relevant legislation, improve energy efficiency in production, and remain open to pilot collaborations with research partners. Through participating directly in scientific conferences and industry forums, our technical staff stays current on upcoming methodological shifts and emerging demands for improved indole derivatives.

    Building Trust Through Transparent Processes

    Trust comes from daily actions and consistent delivery. We publish representative batch data on our digital platforms for review by long-term partners and first-time buyers alike. This transparency not only sets expectations but spares both sides time spent chasing paperwork or explanations. New customers frequently reference peer recommendations, highlighting that our practical approach and authentic industry presence matter more than mere pricing or marketing claims.

    Supporting a Community of Users

    Our connection to the research and manufacturing communities extends beyond simple supply. Staff chemists serve as resources for advice on reaction optimization, troubleshooting, and even competitive material assessments. We foster an open dialogue and gather data from a global base of laboratories, feeding knowledge back into improving both our product and client experience. This mindset transforms each sale from a transaction into a shared project, and helps all of us push the limits of what’s possible with 5-Amino-1-N-Methylindole.