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5-Aminooxindole

    • Product Name 5-Aminooxindole
    • Alias 5-Amino-2,3-dihydro-1H-indol-2-one
    • Einecs [629-488-2]
    • 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

    601738

    Chemicalname 5-Aminooxindole
    Casnumber 446-76-8
    Molecularformula C8H8N2O
    Molecularweight 148.16
    Appearance Off-white to light yellow powder
    Meltingpoint 244-246°C
    Solubility Slightly soluble in water
    Purity Typically ≥98%
    Storagetemperature Store at 2-8°C
    Smiles C1C(=O)NC2=CC=CC(N)=C12
    Synonyms 5-Amino-2-oxindole

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

    Packing & Storage
    Packing 5-Aminooxindole, 25 grams, is supplied in a sealed amber glass bottle with a tamper-evident cap and printed hazard labels.
    Shipping 5-Aminooxindole is shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. Transport complies with applicable chemical handling regulations, with clear labeling and documentation. Packages are cushioned to prevent breakage, and handled in accordance with safety protocols to ensure safe delivery to the destination.
    Storage 5-Aminooxindole should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at 2–8°C (refrigerated conditions). Avoid exposure to heat, oxidizing agents, and incompatible substances. Clearly label the container and ensure access is restricted to trained personnel. Handle using appropriate personal protective equipment.
    Application of 5-Aminooxindole

    Applications of 5-Aminooxindole in Industrial Manufacturing

    Our 5-Aminooxindole is produced under strict quality management, supporting high-value segments in the chemical and pharmaceutical industries. The following outlines core downstream sectors utilizing this intermediate, with explicit compliance, usage, process, and end product details relevant to real-world industrial manufacturing.

    1. Pharmaceutical Active Pharmaceutical Ingredient Synthesis

    Leading pharmaceutical manufacturers incorporate 5-Aminooxindole primarily in the synthesis of advanced APIs, especially indole-based anticancer and CNS drugs. Precise specification and validated handling practices remain critical at industrial scale to match regulatory scrutiny during later purification and crystallization steps.

    Industry compliance standards

    • cGMP (Current Good Manufacturing Practice, FDA and EMA)
    • ICH Q7 Guidelines for Active Pharmaceutical Ingredients
    • USP and EP monographs when applicable for downstream APIs
    • ISO 9001:2015 Quality Management System

    Typical usage ratio

    • Used at loads of 0.5–1.2 molar equivalents relative to target heterocyclic cores; adjusted by scale, yield, and process specifics.

    Downstream process integration

    • Charged during initial condensation or cyclization steps as a nucleophilic indole scaffold supplier.
    • Subsequently isolated and purified by crystallization, HPLC, or preparative chromatography ahead of active pharmaceutical ingredient formation.

    Final product types

    • Targeted anticancer agents
    • Neurotherapeutic drugs involving indole or oxindole substructures
    • Advanced chemical intermediates for preclinical research

    2. Agrochemical Intermediate Manufacturing

    Producers of specialty crop protection agents utilize this material in the multi-step synthesis of indole-derived fungicides and selective herbicides. Rigorous yield control and residual content analysis are mandatory before integration into further synthetic modules or formulation operations.

    Industry compliance standards

    • FAO/WHO Specification for Technical Grade Active Ingredients
    • ISO 17025 Analytical Testing Requirements
    • REACH Regulation (EC) No. 1907/2006 for chemical safety

    Typical usage ratio

    • Introduced at 0.7–1.4 equivalent per mole of final active ingredient precursor, tuned to synthetic route and conversion efficiency.

    Downstream process integration

    • Inserted in core structure elaboration when nitrogen-bearing indole components are required.
    • Serves as a coupling partner prior to acylation, halogenation, or sulfonation steps in agrochemical building block assembly.

    Final product types

    • Indole-based fungicide actives
    • Herbicide intermediates with substituted oxindole motifs
    • Seed treatment components

    3. Dyes and Pigments Intermediate Synthesis

    Specialty pigment and dye manufacturers employ this compound as a precursor for indolinone and azo dyes. Process control and selectivity are essential to ensure chromophore purity and batch-to-batch reproducibility, according to both finished product performance and regulatory approval requirements for coloration materials.

    Industry compliance standards

    • EU Regulation (EC) No. 1272/2008 on classification and labeling of chemicals (CLP)
    • EN 71-3 Safety of Toys (for colorants in children's materials)
    • ISO 9001 Colorant Quality Management Systems

    Typical usage ratio

    • Loaded at 20–35% by mole in condensation or azo coupling reactions, closely controlled to balance yield and dye purity goals.

    Downstream process integration

    • Fed into process reactors as a main amine source during oxidative coupling or cyclization steps leading to chromophore formation.
    • Undergoes purification in the crude dye mass prior to formulation and standardization.

    Final product types

    • Indoloquinone pigments
    • Mono-azo and bis-azo dyes for plastics, polymers, or textiles
    • Colour concentrates for industrial coating products

    4. Research and Specialty Chemical Synthesis

    Chemical research organizations and custom fine chemical manufacturers utilize 5-Aminooxindole as a flexible scaffold in the development of proprietary heterocyclic compounds and small-molecule inhibitors. This application requires documented traceability, analytical verification, and strict process documentation to support structure-activity studies and synthetic route innovations.

    Industry compliance standards

    • ISO 9001 Quality Management for custom synthesis
    • GLP (Good Laboratory Practice) for chemical research outputs
    • Institutional review protocols for laboratory sourcing and safety data

    Typical usage ratio

    • Used at 1.0–2.0 equivalents, set by target library synthesis and exploratory protocols.

    Downstream process integration

    • Applied directly in solid-phase and solution-phase combinatorial chemistry.
    • Deployed as a module in multi-component reactions, fragment-based drug design, or SAR (structure-activity relationship) workstreams.

    Final product types

    • Screening compound libraries for pharmaceutical research
    • Heterocyclic analogs for agrochemical pipeline research
    • Specialty reagents for chemical methodology development
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    Certification & Compliance
    More Introduction

    Deep Dive: The Real Profile of 5-Aminooxindole from Our Production Line

    Unpacking 5-Aminooxindole: From Chemist’s Bench to Industry’s Backbone

    5-Aminooxindole stands out in more ways than its chemical structure suggests. Walking through our facilities, this molecule follows a clear path from raw materials to high-purity finished product. Years of refining extraction and purification routines allow us to deliver a product with sharp reliability in both consistency and output volume. Too many overlook the way batch handling and reactor conditions shape every kilogram, but those details mean the difference between a robust research result and a failed project. This amine-functionalized oxindole serves as a pivotal intermediate. The direct involvement with its production chemistry brings to light the subtleties other manufacturers might miss: not just the how, but the why of each processing step.

    From the Ground Up: Modeling and Specifications that Hold Up in the Lab

    Behind every drum of 5-Aminooxindole, we maintain a record of tight process controls—reaction monitoring and multistep purification ensure high assay values, low water content, and nearly-absent residual solvents. In large releases, material typically presents as a slightly beige to off-white powder, reflecting tiny differences in air exposure and scale-up conditions. Product purity regularly exceeds 98 percent (HPLC), with single-digit ppm impurity grades achieved by crimping down on everything from solvent sources to final filtration. Moisture control becomes crucial; too much water changes handling and solubility in follow-up reactions, so we verify every lot by Karl Fischer titration before packing.

    We see requests for various mesh sizes and particle morphologies. Producers with less hands-on control struggle to adapt because it is not as simple as just grinding harder or narrowing screens. Each recrystallization event and drying phase shifts the end product’s physical profile, and we document every step—chemists from pharma and advanced materials fields ask for full traceability. Room temperature storage remains enough if sealed tight and protected from direct sunlight, so we advise on bulk packaging and regular on-site monitoring for customers handling large inventories. Real, experience-based insight into storage stability often spares teams headaches during long project timelines.

    Taking 5-Aminooxindole Beyond the Catalog: What Set Ours Apart

    Handling the day-to-day operations around 5-Aminooxindole reveals what market overviews gloss past. A genuine manufacturer sits with the weight of every supply chain hiccup. Every year, we encounter changing quality standards, evolving environmental regulations, and scrutiny from partners in pharmaceuticals, agrochemicals, and fine chemicals. Our internal discussions with QA, scale-up chemists, and analytic teams frequently revisit raw material sources and traceability. While outside eyes tend to compare only by technical sheets, there’s no substitute for seeing how a batch forms, how it’s monitored, and how issues are solved on the floor.

    Most supply houses only repackage or reroute material; they rarely address technical troubleshooting when a customer stumbles across solubility limits or batch reactivity changes. We built a feedback loop between the technical team and production units, so if someone downstream reports an unusual byproduct or color shift, our chemists track it back to the precise run and root cause. The granular tracking tools we use, matched with dedicated in-process controls, deliver answers to questions about batch-to-batch variability and lot development. A raw number on a certificate can’t cover half the nuances solved before any product leaves our gate.

    Purpose-Driven Utility: How Customers Actually Use 5-Aminooxindole

    Most buyers plot 5-Aminooxindole into multi-step syntheses towards more complex frameworks. This compound bridges straightforward aromatic substitution and more elaborate heterocyclic chemistry. Its amine group opens up nucleophilic pathways, supporting acylations, condensations, and cyclizations. Medicinal chemists, in particular, value its reliability as a core building block for kinase inhibitors and other protein-targeted agents, since one faulty batch might lead a project off course for months. Agrochemical researchers, similarly, care about small margins of error—formulating new growth regulators or seed treatments often pivots on subtle consistency in lab-scale intermediates.

    Over the years, feedback from global research teams has honed our perception of what 5-Aminooxindole must deliver. Clear, full spectral data including NMR, IR, as well as mass spectrometry for every lot gives peace of mind. We know the workload increases dramatically if impurities slip through—so all characterization happens long before shipping, with backup analytic runs archived in case any questions arise later. Specific dissolving profiles in organic solvents, controlled water pickup, and thermal stability from room to modestly elevated temperatures all matter more in real applications than they do on a spec sheet.

    Why Physical and Chemical Quality Matter More Than Labels Suggest

    Our years on the manufacturing floor taught us to read beyond a technical data sheet. A compound described as “98 percent pure” by itself tells you little about what lurks in that last two percent. Through countless campaigns, it turns out trace colored tars, old solvent residues, or obscure crystalline hydrates affect not only analytical outcomes but downstream reactivity. Odd odors, unexpected melting points, or slow dissolving times signal larger issues missed in basic QC. In an industry that measures reliability by how little you notice problems, those subtle warning signs set informed buyers apart from the novices.

    Every decision from reactor temperature profiles to the exact moisture content on packaging liners affects the user experience. Our technical staff regularly revisits customer project timelines: if a run stumbles due to a mismatch in physical state or inconsistent purity, new bottlenecks appear. Safeguarding against that means combining automation for major processes with meticulous human oversight for critical steps. Not all competitors appreciate this balance, or simply can’t afford the time and hands-on labor. Our insistence on re-checking critical parameters before sealing up a shipment grew from years of troubleshooting actual lab and pilot plant failures—not theory, but practice and memory.

    Standing Apart from the Bulk: Competitor Differences and Market Experience

    We watch plenty of semi-finished oxindole intermediates enter the warehouse circuit each year, laundered through trader networks or imported via non-transparent sources. These products rarely withstand the scrutiny of in-depth analytical workups or scale-up testing. Our partners count on our verified Indian and European sourcing for upstream precursors, never generic stock. We routinely benchmark against both Chinese and Western alternatives, both for assay and trace element contamination, logging real results for every two-week interval across production peaks.

    There is a marked difference between a facility with trained operators and a repacking station. Our senior technical advisors, all with deep roots in synthetic chemistry, stay involved in every upscaling event—physical presence on plant floors, not just emails or video calls. Process deviations, changes in outdoor humidity, and solvent purity get flagged instantly. Incidents are tracked through nonconformance systems, isolating root causes rather than settling for blame-shifting or undefined “operator error.” It makes a difference over a sixty-batch campaign: our lots show less than 0.3 percent deviation in major physical metrics cycle-to-cycle, while drop-shipped lots from non-transparent brokers see much higher swings.

    Handling Shipment, Storage, and Customer Questions from Real-World Experience

    Shipments that sit too long in customs or under suboptimal conditions face compounding risks—moisture ingress drives up clumping, and extended sunlight exposure yellow the compound. We have seen product physically degrade in third-party warehouses, so our team monitors storage conditions down to the vendor and distributor level, ready to intervene if trouble appears. We prefer solid, double-sealed inner bags set inside lined drums that block out excess light. Past disasters with ambient storage have trained us to never cut corners on transit or interim holding, no matter how attractive an expedited route looks on paper.

    Questions about long-term stability or custom repacking pop up frequently, and years of feedback inform our workflow. Research teams with staggered project starts value packaging in smaller aliquots—each packed and checked individually so nothing sits untested on a shelf. Responding directly to customer inquiries about specific technicalities, like physical form or post-shipment testing guidelines, comes with the territory. We built our after-sales process around real missed milestones and hard-won solutions, not rote scripts. Support comes from people who can trace a lot number back to the day’s reactor run and who understand what chemists in the next lab need to know about their core materials.

    Responsible Manufacturing: Looking at Safety, Sustainability, and Compliance

    Every run starts with a review of regulatory filings and direct scrutiny of environmental health, both for workers and the broader community. We trained every operator in new chemical handling routines developed alongside evolving international standards. Safety never depends on paperwork alone; our facilities employ in-line monitors for VOC emissions and solvent capture, not just periodic checks. Plant managers inspect real-world risk points—waste management and incident reporting happen daily. We do not ship batches that can’t show direct compliance with current international and regional standards for restricted contaminants and safe handling practices.

    The narrative upstream about “sustainable chemistry” spins itself, but reality means scheduled audits, operator training, and engineered controls. The cost of running closed-loop systems or high-temperature captures pays for itself in both local safety and global responsibility. From our perspective as long-term manufacturers, cutting corners on this side of the process not only invites external audits and customer complaints but opens the door to long-term reputational risks. Working face-to-face with regulatory inspectors and local authorities introduces a perspective brokers and repackers rarely understand.

    Future Proofing Production: Adapting to Scientific Progress and Market Demand

    Scientific progress reshapes what customers expect from 5-Aminooxindole nearly every quarter. Fifteen years ago, batch variability standards sat lower—the market accepted more physical heterogeneity and was less aggressive about trace contaminants. In the last five, high-throughput screening in pharma and combinatorial techniques in chemical biology upped the ante, so feedback cycles speed up and acceptable error margins shrink. Our R&D staff work hand-in-hand with production teams to adapt to algorithm-driven purchasing frameworks—predicting when a specialty mesh size or new impurity profile will accelerate project lifecycles downstream.

    Competition between manufacturers often turns on who understands innovation cycles best and who supports customers’ next technical leap—not just today’s needs. Recent years have brought requests for ultra-pure, low-ash material and matched controls for animal testing batches. Refinements in analytical detection force us to develop new clean-up strategies, sometimes replacing old purification technologies outright. We use actual project experiences—both successful partnerships and those dogged by technical snags—to set QC and product development priorities.

    Hard Lessons from the Factory: What Only Direct Manufacturers Learn

    A third-party trader won't relay how changing a filter brand can trigger yield drops or how a faulty weighing error skews intermediate properties three steps ahead. Our staff learn these lessons first-hand, recalibrating protocols to fix issues before a product ever enters the distribution stream. These details determine whether a research team meets deadlines, especially as new drug candidates or specialized agrochemicals rely on flawless building blocks.

    We haven’t hit these benchmarks overnight. Each experience files into a knowledge base that shapes future improvements. A good handful of our staff carry memories of long nights spent tracking down odd lot numbers in a mountain of paperwork or adjusting to last-minute specification changes from a clinical partner. The cumulative real-world improvements to our documentation, problem escalation, and support systems all grew out of these moments on the ground and in the lab.

    5-Aminooxindole as a Partnership, Not a Commodity

    Our steady dedication to quality in 5-Aminooxindole manufacturing goes far beyond delivering a chemical with a matching certificate. Decades of hands-on production shape every sample that reaches our partners, every standard that guides a batch, and every support conversation that addresses a concern. From the intricacies of batch variability and trace impurities to the unfashionable details of storage and shipment, this compound’s real value lies in the experience embedded within each kilogram. We remain committed to a vision of manufacturing that aligns deeply with the needs and lessons of true scientific progress—not content to let automated fulfillment systems or superficial data sheets stand in for real accountability and technical collaboration.