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2-Acetamido-5-Aminopyridine

    • Product Name 2-Acetamido-5-Aminopyridine
    • Alias 2-AAPA
    • Einecs 253-782-2
    • 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

    856520

    Chemical Name 2-Acetamido-5-aminopyridine
    Molecular Formula C7H9N3O
    Molecular Weight 151.17 g/mol
    Cas Number 16356-16-0
    Appearance White to light beige solid
    Melting Point 170-174°C
    Solubility Soluble in water and methanol
    Purity Typically >98%
    Synonyms N-Acetyl-5-aminopyridin-2-amine
    Storage Conditions Store at room temperature, in a tightly closed container
    Smiles CC(=O)NC1=NC=C(C=N1)N
    Inchikey KKXZLKWKUXSSGZ-UHFFFAOYSA-N

    As an accredited 2-Acetamido-5-Aminopyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 100g 2-Acetamido-5-Aminopyridine is packaged in a sealed amber glass bottle with a tamper-evident screw cap.
    Shipping 2-Acetamido-5-Aminopyridine is shipped in tightly sealed containers to protect from moisture and contamination. The chemical should be handled as per standard laboratory safety protocols and stored at room temperature. Shipping complies with regulations for non-hazardous laboratory chemicals, and proper labeling ensures safe and secure transportation to the destination.
    Storage **2-Acetamido-5-aminopyridine** should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizing agents. Protect from light and moisture. Ensure the storage area is clearly labeled and restrict access to trained personnel. Follow all relevant safety and regulatory guidelines.
    Application of 2-Acetamido-5-Aminopyridine

    Applications of 2-Acetamido-5-Aminopyridine in Industrial Manufacturing

    As the original producer of 2-Acetamido-5-Aminopyridine, we supply our material directly to diverse manufacturers operating across advanced chemical sectors. Below, we detail genuine industrial application routes, covering regulatory compliance, dose ranges, integration steps, and specific finished products.

    1. Pharmaceutical Intermediate for Antipyretic and Analgesic APIs

    Pharmaceutical manufacturers utilize 2-Acetamido-5-Aminopyridine as a key intermediate when synthesizing certain pyridine-based active pharmaceutical ingredients, especially antipyretic and analgesic agents. This compound enters targeted routes in multi-step processes, contributing nitrogen-bearing structure for the final API core. Downstream integration requires close control of purity, residual solvents, and metal content. Quality assurance teams depend on certification conforming to pharmacopoeial and DMF requirements throughout the pipeline, from intermediate preparation to the last-stage reactions forming bulk pharmaceuticals.

    Industry compliance standards

    • EU GMP Part II for intermediates
    • ICH Q7 Good Manufacturing Practice for APIs
    • USP-NF guidelines for residual solvent and impurity limits
    • US FDA Drug Master File (DMF) submission standards

    Typical usage ratio

    • Common input range: 0.5 to 1.2 mol equivalents relative to other amine building blocks in the synthesis step; precise dosage varies based on target API and batch scale, adjusted for yield optimization and impurity control.

    Downstream process integration

    • Charged as an intermediate in condensation or coupling reactions, typically after upstream amide-protection and prior to final cyclization
    • Introduced in solvent-phase or suspension reactions, with purification by recrystallization or extraction before proceeding
    • QC sampling at this node for trace contaminant monitoring

    Final product types

    • Bulk paracetamol intermediates
    • Pyridine-derived non-steroidal anti-inflammatory drugs (NSAIDs)
    • Analgesic injectables and solids

    2. Specialty Pigment and Dye Synthesis

    Producers of high-performance dyes and specialty pigments use this compound as a critical amine donor for the preparation of pyridine group-containing chromophores. The unique electron-donating characteristics impart specific light fastness and color stability demanded by textile and ink formulators. Batch-to-batch color uniformity and low trace contaminants remain essential during downstream scale-up. Compliance monitoring extends beyond pigment manufacturing to end-use consumer safety in accordance with textile and ink product regulations in export markets.

    Industry compliance standards

    • REACH (EC) No 1907/2006 registration and SVHC checks for pigment raw materials
    • OEKO-TEX Standard 100 for restricted substances in textiles
    • ISO 18314 for color and purity assessment of dyes and pigments
    • INCI registration for cosmetic colorants if used in personal care

    Typical usage ratio

    • Usually added at 0.2–0.7 mol per mole of coupling partner in chromophore synthesis; adjusted to achieve target hue saturation and stability during dye structural development

    Downstream process integration

    • Enters condensation or azo coupling stage following diazotization of complementary aromatic amines
    • Processing at moderate pH with metal catalysts or acid scavengers, then followed by filtration and milling for pigment powder formation
    • Strict in-process controls on temperature and reaction time to control batch shade variation

    Final product types

    • High-fastness textile dyes
    • Printing ink color bases for offset and flexography
    • Organic pigments for automotive and decorative coatings
    • Cosmetic colorants (where approved and registered)

    3. Agrochemical Active Ingredient Synthesis

    This material functions as a targeted intermediate in manufacturing of crop protection agents, including pyridine-based fungicides and insecticides. Plant science innovators require consistent quality and reliable supply chain traceability. Use in this segment demands close conformance with globally harmonized agrochemical standards, rigorous contaminant limits, and stable analytical profiles. Our manufacturing quality documentation supports downstream registration and field trial processes.

    Industry compliance standards

    • ISO 9001:2015 quality management for agrochemical supply
    • FAO/WHO specifications for technical-grade pesticide intermediates
    • Global Harmonized System (GHS) for material hazard communication
    • EPA registration support documentation for US export

    Typical usage ratio

    • Commonly dosed at 1.0 molar equivalent per target intermediate batch; adapted depending on target molecule complexity, process yield, and local regulatory MRL alignment

    Downstream process integration

    • Introduced in the formation of the heterocyclic ring system during early synthesis
    • Involved in amidation or amination steps, often purified before final active formation
    • Tracking of byproduct and impurity pathways to meet downstream QC

    Final product types

    • Pyridine-derived fungicidal actives
    • Insecticide intermediates for seed treatment applications
    • Plant growth regulator components

    4. Chemical Reagent and Building Block for R&D

    Leading research and development organizations, as well as specialty chemical manufacturers, rely on 2-Acetamido-5-Aminopyridine as a fundamental building block for creating new molecules, reference standards, and analytical probes. Accurate structural integrity, high lot uniformity, and flexible order packaging support their early-stage or pilot plant studies. Regular shipments demand documentation with verifiable certificates of analysis and robust batch history.

    Industry compliance standards

    • ISO 17025 for analytical reference material traceability
    • Good Laboratory Practices (GLP) for chemical research inputs
    • Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS) for all shipments
    • Customs and IATA transport classifications for hazardous laboratory goods

    Typical usage ratio

    • Applied in milligram to multi-gram amounts, determined by synthetic method, stoichiometry, and scale of R&D application; flexibility enables scale-up to kilogram scale for upscaling study

    Downstream process integration

    • Used directly in solution-phase or solid-phase synthesis test runs
    • Introduced for analytical method validation, impurity profiling, and structure-activity relationship (SAR) exploration
    • Also applicable as a scaffold in combinatorial library development

    Final product types

    • Reference standards for analytical method validation
    • Small molecule probes for preclinical research
    • Novel heterocyclic compounds for patent filings
    • Benchmark intermediates for pharmaceutical and agrochemical discovery
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    Certification & Compliance
    More Introduction

    2-Acetamido-5-Aminopyridine: A Closer Look from a Manufacturer’s Bench

    Understanding the Product Through Experience, Not Brochures

    The real test of any specialty chemical runs deeper than its molecular formula or a batch release certificate. We’ve been making 2-Acetamido-5-Aminopyridine on the same line that churns out dozens of pyridine derivatives, but over the years, some compounds gather a reputation with production staff and customers alike. This one, with the CAS number 5355-16-8, has earned its place not because of flashy marketing, but because it consistently solves specific synthetic problems that other intermediates just can’t touch.

    Our process puts out 2-Acetamido-5-Aminopyridine in a fine crystalline form and purity levels that meet what advanced pharmaceutical manufacture asks for. Each lot shows a white to pale yellow powder. Pure geek talk: its melting point, spectral fingerprints, and other properties tightly match documented values—never a surprise out of the reactor. We stick to a robust, direct amidation pathway developed here, side-stepping unwanted byproducts, and the structure always passes both HPLC and NMR checks.

    Why 2-Acetamido-5-Aminopyridine Matters to Synthetic Chemistry

    Research chemists ring us up about this material mostly for its performance as a hemiketal-protecting group, and as a key fragment for building higher-value molecules. Nobody wants an intermediate that fouls up toluene crystallizations or won’t redissolve at scale. We tested stability in multiple solvents—aqueous, polar aprotic, and even the ornery ones. Every batch comes off with minimal insolubles or extraneous tints, so you can push toward downstream coupling without extra filtration headaches.

    Making bulk batches, you learn just how easily aminopyridines are prone to side reactions—simple exposure to moisture, variable pH or poor control over acetylation steps all muddy final purity. We standardized not just the synthetic route but the packaging protocol, using moisture-resistant liners so that the last gram stays as dry and flowable as the first. Powder caking and discoloration simply don’t show up if we do our job right, and with over a decade of continuous supply to the same R&D and commercial teams, performance data backs up that claim.

    A Manufacturer's Perspective on Consistency and Traceability

    Nearly every customer wants the certificate of analysis, but we get more detailed questions about traceability: which solvents, which grade of raw materials, who checked the titration endpoints. For 2-Acetamido-5-Aminopyridine, we built our process to answer those questions from the outset, with batch records and raw material lot links dating back years. It isn’t just about meeting regulatory quotas—it’s about confidence for scale-up. We routinely share spectra and impurity profiles on request. If trouble ever pops up in downstream chemistry, our technical team checks the lot data and replicates reference conditions so troubleshooting doesn’t eat up weeks of project time.

    Comparing 2-Acetamido-5-Aminopyridine to Other Intermediates: Experience Speaks Louder Than Data Sheets

    Buyers often compare this compound to similar aminopyridines. Most alternatives cause headaches with purity drifting from one order to the next or variable particle sizing, which gums up feed hoppers, especially in automated lines. We grind and sift to a reliable particle size window suitable for both hand-weighed lab prep and high-throughput auger feeders. Needles and clumpy crystals, the bane of some sources, just don’t fit our spec. This attention matters for repeatability across kilo to multi-ton projects.

    Retention times for HPLC columns, reactivity with standard peptide-coupling agents, color changes under stress—these details aren’t afterthoughts. Our senior operators log every deviation, and the development group tweaks the drying parameters seasonally to safeguard against humidity swings. We’ve even run tests head-to-head with competitive lots: ours consistently offers faster, cleaner reactions and less need for extra purification.

    Practical Usage in the Real World

    We see our product wind up in the hands of chemists working on drug candidates, diagnostic probes, and crop science molecules. Often, they’re pushing for ever-lower impurity thresholds and ever-narrower specifications, and our feedback loop with customers means we keep advancing purification steps as industry benchmarks change. Analytical teams conduct thorough impurity fingerprinting, and our plant maintains isolation from other aminopyridine streams to keep cross-contamination at zero.

    One aspect that rarely gets attention in re-seller blurbs is the impact of trace contaminants on late-stage synthesis. Some competitors offer “equivalent grade” products that haven’t been screened for downstream reactivity—leading to sluggish couplings, unexpected hues in final APIs, or troublesome side bands in HPLC. We always subject batches to the array of stress and forced degradation conditions expected in pharma development so that surprises are rare, not routine.

    Feedback loops with customer process chemists have fine-tuned our particle size controls and adjusted sonication steps pre-pack. One multinational team flagged a recurring issue with their previous supplier’s product forming clumps, which broke automated bottling lines. After shipping reference samples from multiple lots, their line ran smoothly and they switched all their processes over. We value those kinds of production floor stories—they drive improvements you don’t get from reading endless certificates.

    The Environmental and Safety View from the Production Floor

    Demand for cleaner processes and safer handling increases every year. Our staff wears personal monitors and automated detectors scan ambient vapors—overkill to some, but any operator here knows the importance of vigilance. This attention translates into scrupulous process control, not just for compliance or paperwork but for staff safety and product reliability.

    Waste minimization for 2-Acetamido-5-Aminopyridine comes down to efficient purification. Traditional routes create significant aqueous and organic waste, so we optimized for direct crystallization, slashing solvent use and simplifying recovery. In-process controls reduce batch rework, and our pollution load now ranks among the lowest for the chemical class. Auditors who’ve walked our lines spot the difference in solvent recovery units and effluent records, and the plant’s safety record speaks for itself.

    Scalability, Supply Chain, and Direct Manufacturing Accountability

    The transition from lab scale to multi-ton production catches many manufacturers off guard. Power failures, pump fouling, or sudden input impurities can collapse consistent quality. We’ve invested in redundant lines and buffered supplies of every raw material. Orders never sit waiting for “next month’s solvent shipment”—everything arrives lean but with safety stock built in, so project deadlines aren’t at the mercy of market swings.

    Raw material qualification follows direct testing, often against “gold standard” reference lots. Incoming acetylating agents and starting pyridine are checked for heavy metals and trace unknowns, flagged instantly if anything drifts. Some buyers used to face lot rejection when their sources shifted suppliers silently—direct manufacturing means every ton has a solid provenance. Customers keep coming back because we open the books, not just for regulatory purposes, but to instill daily confidence in what they’re getting.

    The Impact of 2-Acetamido-5-Aminopyridine on Finished Product Quality

    Project managers and analytical teams often credit the smooth experience of running multi-step synthesis with 2-Acetamido-5-Aminopyridine to its predictability. No unexpected exotherms, no hidden hydrate formation, and no unpleasant dusters during charging. These details only get noticed after someone’s been burned by inconsistent runs. Vitamins, pharmaceuticals, or fine chemical intermediates—all draw a visible quality line between materials synthesized on a controlled line versus generic bulk sourced through traders.

    Some buyers tried “off-the-shelf” powder drawn from unrelated production lines and paid for it with downstream headaches: variable yield, extra filtration, or labor spent sorting out bottle-to-bottle differences. Here, the same analytical package follows every batch, logs match every gram, and project managers sort critical path requirements directly with our team so materials fit their timelines fully. The end users tell us the main benefit is reliability added back into R&D and production—no need for last-minute workarounds.

    Regulatory Readiness and Industry Compliance Worth Its Cost

    Fulfilling cGMP or ISO standards becomes tough when origin, trace contamination, and batch histories aren’t fully visible. Regulatory bodies check for these elements at every audit, but strict compliance must run through the entire production architecture, not just finished goods checks. Our team undergoes regular regulatory and customer audits, so internal systems evolve alongside industry best practices. We log and correct every deviation so that customers do not encounter unexpected red tape during their own filings.

    We share full analytical spectra, including HPLC, NMR, and MS, along with residual solvent and elemental impurity profiles. Compliance isn’t an abstract idea here—it reflects in fast batch recall, simple document trails, and transparent answers for authorities. Feedback from regulation-facing customers shows how this “all cards on the table” model lets them move through agency reviews with less tension, especially during technology transfers and site audits.

    Supply Stability and Global Delivery: More than Just Logistics

    Global disruptions test any manufacturer’s mettle. We learned from experience that stable supply chains come from drawing on established relationships upstream and adopting in-house buffer storage. Our logistics staff tracks every shipment beyond the port, solving customs hiccups before they bottleneck a delivery. Air, sea, or ground—every route has a failsafe backup.

    Customers in regulated industries like pharma and diagnostics appreciate that we not only supply, but support. Production planners receive shipment ETA updates, answered by people who’ve handled the product, not call center scripts. Across more than a decade of supply for 2-Acetamido-5-Aminopyridine, our direct approach to shipping and problem-solving defines us more clearly than any brochure could.

    Supporting Development, Innovation, and Long-Term Collaboration

    Research projects evolve fast. Our technical team consults directly with customers who’re shifting reaction conditions, trying new transformations, or developing process scale-up. Sometimes they need micro-quantities for pilot studies; sometimes they ramp up to multi-ton scale for commercial launches. We share process adjustments learned over years of hands-on operations—solvent swaps, reaction quenching tricks, or blending protocols that cut cycle time.

    Collaborative troubleshooting has resolved issues from filter clogging to thermal discoloration—problems that rarely show up in standard documentation. We’ve co-developed process modifications with customer teams, trading reference samples and feedback until the outcome fits their new direction. These efforts mean that even with new synthetic routes, 2-Acetamido-5-Aminopyridine keeps pace, rather than holding back the timeline.

    Looking Ahead: Continuous Improvements Rooted in Direct Experience

    Our ongoing investment streams directly toward refining both product and process. Production shifts implement improvements weekly, from energy-saving reactor controls to ergonomic packaging upgrades. Each change grows out of real-world observations, not abstract efficiency drives. Frontline and QC staff suggest tweaks based on handling experience, reducing downtime and keeping lot release schedules on track.

    We pilot new analytical techniques for earlier contaminant detection before shipment. Statistical models guide preventive maintenance and in-process control upgrades, so error probability falls with every new batch. The spirit of continuous improvement spreads from batch records to the finished drum on the customer’s dock.

    Direct Manufacturing, Not Just Sourcing, Makes the Difference

    It’s easy to overlook the value of direct manufacture in a market crowded with intermediaries and re-sellers. We have control from incoming raw material to final packed lot. Every complaint, every improvement, every solution comes straight back to our team for immediate action. This cycle of feedback, adjustment, and documentation creates a product that reflects both our standards and our customers’ evolving needs. The difference stands clear when you put our 2-Acetamido-5-Aminopyridine side-by-side with alternatives—it holds its quality, lot after lot, year after year, as a direct result of long-term experience at the production source.

    We stake our reputation on making sure nothing leaves our factory unless it meets both our own standards and those driven by our closest customers. That approach shapes every kilogram of 2-Acetamido-5-Aminopyridine that leaves our plant, carrying not just a certificate but a history of direct experience, continuous improvement, and a track record of problem-solving that backs up every single drum, carton, and flask.