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2-Amino-5-Bromo-4-Methylpyridine

    • Product Name 2-Amino-5-Bromo-4-Methylpyridine
    • Alias 5-Bromo-4-methylpyridin-2-amine
    • Einecs 629-442-0
    • 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

    336776

    Productname 2-Amino-5-Bromo-4-Methylpyridine
    Casnumber 197957-62-9
    Molecularformula C6H7BrN2
    Molecularweight 187.04
    Appearance Light brown to beige solid
    Meltingpoint 66-69°C
    Purity Typically >98%
    Solubility Soluble in DMSO and methanol
    Storagetemperature Store at 2-8°C
    Structuralformula BrC5H2(CH3)(NH2)N
    Synonyms 5-Bromo-4-methylpyridin-2-amine

    As an accredited 2-Amino-5-Bromo-4-Methylpyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 25g amber glass bottle, tightly sealed, labeled "2-Amino-5-Bromo-4-Methylpyridine," with hazard symbols and handling instructions.
    Shipping 2-Amino-5-Bromo-4-Methylpyridine is shipped in tightly sealed containers, compliant with international regulations for hazardous chemicals. It should be protected from light, moisture, and incompatible substances. Shipping is typically via ground or air, labeled as a laboratory reagent, with appropriate safety data and documentation included to ensure safe handling during transport.
    Storage Store 2-Amino-5-Bromo-4-Methylpyridine in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect from light and moisture. Ensure the storage area is clearly labeled and access is restricted to trained personnel. Follow all relevant safety regulations and consult the Safety Data Sheet (SDS) before handling.
    Application of 2-Amino-5-Bromo-4-Methylpyridine

    Applications of 2-Amino-5-Bromo-4-Methylpyridine in Industrial Manufacturing

    2-Amino-5-Bromo-4-Methylpyridine serves as a specialized intermediate in the synthesis pipelines of active pharmaceutical ingredients, agrochemical actives, advanced dyes, and API reference materials. We integrate our production to directly support downstream manufacturers in high-value applications where precision, consistency, and regulatory traceability are critical for final product release. The following application scenarios represent established, industrial-scale uses for this intermediate, each with its own compliance, formulation, process specification, and end product focus.

    1. Pharmaceutical Intermediate for Antihypertensive API Synthesis

    This compound is a building block in multi-step syntheses of certain antihypertensive drug molecules, particularly those based on pyridine-modified scaffolds. Downstream pharmaceutical processors use it during the initial heterocyclic assembly before condensation and further functional group conversion, ensuring high-purity yields under stringent regulatory oversight.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • EU Guidelines for Good Manufacturing Practice for Medicinal Products
    • US FDA cGMP Part 210/211 (when for US market APIs)
    • EDQM CEP documentation requirements

    Typical usage ratio

    • 0.8–1.2 molar equivalents relative to target API precursor; adjusted according to batch stoichiometry and target impurity profile control

    Downstream process integration

    • Charged as a key starting material in the first or second stage of multi-step pharmaceutical synthesis, often coupled with subsequent alkylation, acylation, or hydrogenation reactions

    Final product types

    • Active pharmaceutical ingredients (e.g., pyridine-derived antihypertensives)
    • Pharmaceutical regulatory submission batches
    • Clinical trial drug substances
    • Commercial API for tablet and capsule formulations

    2. Agrochemical Active Ingredient Precursor

    Manufacturers utilize this pyridine derivative as an intermediate in the production of specialized crop protection agents, such as fungicides and insecticides containing halogenated nitrogen heterocycles. The precision of addition during synthesis governs the biological activity and selectivity of the final actives required for regulatory registrations in international markets.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP) for agrochemical development
    • FAO/WHO specifications on pesticide technical materials
    • ISO 9001:2015 for quality management in chemical synthesis
    • ECHA REACH registration for Europe

    Typical usage ratio

    • 1.0 molar equivalent as the principal pyridine nucleus donor per target agrochemical molecule; can be varied by ±10% as needed for pilot or commercial scale optimization

    Downstream process integration

    • Input at the initial stage of heterocyclic ring construction or halo-amination, followed by successive steps such as halogen exchange, side-chain introduction, and crystallization of the technical grade active

    Final product types

    • Pyridine-based fungicides (e.g., strobilurin or triazole-modified structures)
    • Intermediate blends for formulated crop protection products
    • Bulk technical materials for agrochemical fill lines
    • Export-grade actives for global regulatory dossiers

    3. High-Performance Dye and Pigment Intermediate

    Dye and pigment manufacturers employ this compound in the design of high-stability functional colors for plastic, textile, and ink formulations where halogenated pyridine motifs boost chromatic durability and UV-resistance. The selection, ratio, and purity of the input directly affect the final shade, lightfastness, and regulatory acceptance of the pigment or dye produced.

    Industry compliance standards

    • EN 71-3 (Safety of Toys: Migration of Certain Elements) for pigment-grade inks and colorants
    • ISO 9001:2015 quality requirements for dye manufacturing
    • Oeko-Tex® Standard 100 (for textiles and apparel market penetration)
    • REACH Annex XVII for restricted substances in colorants

    Typical usage ratio

    • 0.2–1.5 molar equivalents depending on the target dye structure and compatibility with other chromophores; formulation trials determine the ideal input for shade control

    Downstream process integration

    • Reacted in early-stage condensation or coupling steps during colorant synthesis, forming the core heterocyclic structure before pigment stabilization or dye sulfonation

    Final product types

    • UV-stable plastic pigments
    • Functional textile dyes
    • Specialty printing ink colorants
    • Automotive coating pigment concentrates

    4. Reference Standard and API Impurity Marker Synthesis

    Analytical and pharmaceutical R&D labs rely on this material as a precursor to synthesize both certified reference standards and precisely defined process impurities for regulatory documentation and method validation. The clarity of origin and control over batch traceability are essential for compliance dossiers filed with regulatory agencies worldwide.

    Industry compliance standards

    • Ph. Eur. and USP reference standard guidelines
    • ISO/IEC 17025:2017 accreditation for analytical reference material producers
    • FDA Guidance for Industry: Analytical Procedures and Methods Validation
    • ICH Q3A/B for Impurities in New Drug Substances and Products

    Typical usage ratio

    • Batch-specific, commonly 0.05–0.1 molar equivalents for micro-scale syntheses of reference standards, adjusted to generate mg–g quantities for analytical supply

    Downstream process integration

    • Fed into controlled synthesis lines or semi-preparative HPLC platforms for impurity isolation, isotope labeling, or derivatization to match ICH reporting thresholds

    Final product types

    • Certified analytical reference standards for regulated laboratories
    • Structural impurity markers for stability studies
    • Laboratory-scale pharmaceutical impurities
    • Reference materials for registration dossier submissions (DMF, ANDA)
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    Certification & Compliance
    More Introduction

    Introducing 2-Amino-5-Bromo-4-Methylpyridine: Perspective from the Manufacturer

    Understanding the Identity of 2-Amino-5-Bromo-4-Methylpyridine

    Every day in our production facility, raw chemistry takes shape, and a key compound in that lineup is 2-Amino-5-Bromo-4-Methylpyridine. This specialty pyridine derivative, produced under controlled conditions, serves a distinct niche in pharmaceutical and research sectors. Over the years, continuous improvement in handling aromatic halogenation and amino group introduction has brought us to a reliable process for making this compound available at scale. The chemical formula, C6H7BrN2, reflects a structure marked by a pyridine ring substituted with a methyl group at the 4-position, bromine at the 5-position, and an amino group at the 2-position. Our batches maintain high purity, regularly exceeding the 98% threshold, a consistency our partners have learned to count on. This attention to reliable synthesis and purity makes 2-Amino-5-Bromo-4-Methylpyridine a favored intermediate for diverse synthetic pathways.

    How We Make a Difference in the Chemical Supply Chain

    Conversations with R&D partners often point to persistent frustration when sourcing sensitive compounds: variable quality, unreliable delivery, and limited technical support. Our direct role in producing 2-Amino-5-Bromo-4-Methylpyridine removes ambiguity from the supply chain. This product leaves our site only after it meets defined parameters for appearance, melting point, and analytical testing, including NMR and HPLC purity confirmed in-house. A sample from every lot undergoes verification, not just a certificate printout. Feedback from customers has shaped our methods—improved drying steps eliminate absorbed moisture, and regular GC testing reduces trace impurities. We follow the production run with straightforward records, providing transparency about the process and letting clients know exactly what they’re working with. The result is material ready for scale-up reactions, high-throughput screens, or custom synthesis without the worry of surprise contaminants.

    Key Specifications and What They Mean in Practice

    Most chemists care more about a product’s real-world impact than about a generic spec sheet, and this drives our priorities. A bright, light brown to yellow crystalline appearance gives immediate visual clues about the absence of residual starting materials. A melting point in the expected range tells us the product is free from related pyridine derivatives and by-products. We avoid unnecessary additives or stabilizers, giving just pure 2-Amino-5-Bromo-4-Methylpyridine in sealed, moisture-proof packaging. It stores easily in the standard chemical refrigerator, no need for extreme measures or elaborate handling, if ordinary laboratory precautions are followed. Over time, this has reduced call-backs and minimized lost time due to rework or scrapped batches. We measure every gram, fill requests as small as 50 grams from pilot scale or as much as multiple kilograms for commercial campaigns, keeping the same QC detail at every scale.

    Direct Manufacturing Experience Shapes the Product

    Our process begins with selection of pharmaceutical-grade starting pyridine and continues with a ring-directed electrophilic bromination, followed by controlled methylation and amination steps. Temperature control is critical, and we invest in digital sensors and jacketed reactors to minimize batch-to-batch variation. Solvent recovery and emissions controls keep both the environment and workforce safe. Throughout the run, routine in-process checks confirm reactant consumption and by-product profile, sidestepping the issues common to overloaded, less attentive operators. Purification relies on a mix of crystallization and filtration, never shortcuts with column slurries or cheap solvents that can introduce extraneous odor or color. Our operators share feedback across shifts, and any deviation is documented and corrected before the next run, often within the same production window. This cycle of learning and adjusting, repeated over thousands of kilograms, makes product quality more reliable and reduces customer complaints.

    Why This Compound Stands Apart from Other Pyridine Derivatives

    Chemically, every alteration to a pyridine ring changes its physical and biological properties. 2-Amino-5-Bromo-4-Methylpyridine offers a unique mix of reactivity and selectivity. The bromine substituent makes it ready for Suzuki coupling and other palladium-catalyzed reactions, forming carbon-carbon bonds with a range of partners. Compounds bearing only a methyl group might lack the required functionality, while the presence of both bromine and amine increases reactivity and opens access to more synthetic possibilities. The amino group at position 2 serves as a handle for further modification, either as a nucleophile in acylation, alkylation, or forming urea and amide linkages. Unlike common halopyridines or simple aminopyridines, our product’s substitution pattern dovetails with modern medicinal chemistry routes, appearing frequently as a building block in kinase inhibitor research or heterocyclic scaffold synthesis for new chemical entities. The specific balance of hydrophobic and hydrogen-bonding attributes this molecule offers can translate into better solubility and selectivity in downstream drug discovery, especially when contrasted with non-halogeno analogs lacking the key bromine atom.

    End Uses: From Small Scale Discovery to Commercial API Projects

    Requests reach our team from different corners of the industry—university researchers, startups, large pharmaceutical companies. One research group working on CNS therapeutics needed 2-Amino-5-Bromo-4-Methylpyridine for structure-activity studies, favoring selective reactivity at the bromo position for generating unique analogs. Another, a biotech scaling up a new antimicrobial candidate, required kilogram lots with rigorous impurity control, since minor process impurities risked interfering with downstream biological assays. In each scenario, this compound’s stability and controllable reactivity streamlines project timelines. With experience supporting both bench-scale and commercial production, our quality control catches batch discrepancies early, protecting clients from avoidable lab setbacks. The packaging, designed with feedback from regular users, avoids powder bridging and minimizes static, letting every last gram pour easily into the reaction flask.

    Pyridine Chemistry: Lessons Learned in the Field

    For those who work at the bench, the realities of pyridine chemistry include stubborn impurities, lingering odors, and occasional headache from material that won’t crystallize as expected. Our in-house staff deals with the same challenges. Refining recrystallization solutions and solvent systems for this product taught us hard-won lessons—minor tweaks in temperature ramp or solvent ratio can yield cleaner, brighter crystals and prevent the black fines sometimes seen with less careful isolation. Analysis of recovered solvents slices costs and keeps processes sustainable, so the lab stays profitable without compromising on output or worker safety. Customization sometimes means running additional filtration steps or repurifying returned product for certain clients demanding ultra-high purity. These adaptations stem from ongoing conversations with real users, not dictated by desk-bound protocols or distant sales offices. Each complaint or special requirement over the years has become an opportunity for hands-on improvement.

    What Users Care About, and How We Address It

    End users rarely ask about generalities; they want to know if the batch on hand will dissolve in the chosen solvent, if it leaves behind residues, or if reactivity will match previous lots. Direct manufacturing oversight means our chemists and QC team track these trends. For example, if a lot shows higher-than-usual particle size or slower dissolution, we flag it during release, rerunning if necessary. Technical inquiries reach people who have actually tested and analyzed the material, shortening response times. Many inquiries stem more from practical needs than regulatory questions. One major client sought detailed insight into trace impurity carryover—our team ran additional LC-MS scans on retained samples, delivering not a generic certificate, but real spectra and method details. We value transparency because each actual datapoint delivered makes future collaboration easier and builds trust over isolated transactions.

    Comparison to Other Halogenated and Amino Pyridines

    Chemists have no shortage of halopyridines to choose from, but many carry trade-offs in terms of selectivity or process friendliness. Compared to 2-Amino-5-Chloro-4-Methylpyridine, the brominated analog often delivers improved coupling yields and more versatile reactivity in cross-coupling chemistry. The increased molecular weight and larger atom size can change binding affinity in medicinal chemistry screens, offering new SAR opportunities. In cases where only unsubstituted aminopyridines are available, attempts to introduce a halogen in-house can result in poor regioselectivity or mixed substitution products, complicating purification downstream. Our dedicated synthesis bypasses these headwinds and supplies the target substitution pattern, minimizing both rework and process waste. By producing 2-Amino-5-Bromo-4-Methylpyridine at scale, we enable research groups and scale-up chemists to focus on value-added steps rather than remediation and troubleshooting.

    Supporting Innovation Through Consistent Access

    R&D teams have come to depend on reliable sources for key building blocks. Any delay or compromise in quality can translate into weeks of lost time, especially when scale-up activities or regulatory deadlines loom. Our internal tracking system ties each finished batch to source materials and process conditions, enabling rapid troubleshooting and reproducibility in customer labs. Over the years, this has allowed client teams to lock in their method development, validate analytical detection, and move directly to follow-up chemistry. Supporting this cycle of innovation and reliable supply keeps synthetic projects moving forward and increases the chance of discovery success. A number of pipeline programs have traced molecular patents or clinical leads back to combinations built from our aminobromomethylpyridine, reinforcing its place in the landscape of real-world pharmaceutical chemistry.

    Safety, Handling, and Daily Laboratory Realities

    Experience in manufacturing brings a practical perspective on chemical safety and usability. 2-Amino-5-Bromo-4-Methylpyridine stores without issue in any properly prepared laboratory space. During shipping, the crystalline solid holds up well to temperature changes and moderate humidity, reducing the risk of clumping or degradation. We review packaging methods annually, aiming for both environmental responsibility and product integrity. Most users transfer material in standard chemical scoops, and packaging size options avoid excess repackaging or transfer steps, reducing user exposure and dust generation. Safety sheets and technical literature accompany every shipment, but we know from supporting hundreds of process development runs which gloves, breathing protection, and cleanup tools make the most sense. We pass these tips along during technical support calls, reducing avoidable incidents and reinforcing a culture of safety. Smaller research groups and new startups especially appreciate these practical tips, which save both time and frustration.

    Outlook and the Role of Direct Manufacturing in the Chemical Ecosystem

    Every day, we learn from dialogue with synthetic organic chemists, medicinal dictionary teams, and scale-up specialists. Their feedback shapes our own operations. Calls frequently reveal subtle requirements—maybe a particular batch needs reduced fines for easier weighing, or special documentation for regulatory submission. We answer these requests from a position of control, with active involvement at every stage from raw input selection through finished batch testing. Years in the business have taught us that reliability and flexibility offer value that far exceeds any marginal cost savings from shortcuts or rushed runs. Updates to process controls or purification steps don’t come from theoretical models, but from actual observation and repeated batch improvements. Our production staff retains ownership of every batch they work on, seeing the results in both plant yield and customer satisfaction reports.

    Challenges in a Crowded Market: Standing Apart from Distributors and Traders

    The increase in chemical e-commerce has flooded the market with similar sounding products, often without any real connection to production. Many distributors source 2-Amino-5-Bromo-4-Methylpyridine from anonymous overseas plants and repackage for resale, creating a long communications chain when questions or issues arise. By keeping production in-house, we can provide root cause analysis when the rare issue appears, not just a series of hand-offs or generic responses. This close connection with our own process lets us make changes on short notice, pursue custom synthetic requests, and provide detailed documentation originating from firsthand knowledge. Customers report tangible differences—lower lot-to-lot variability, prompt answers to technical questions, and a transparent traceability trail from raw material to finished product. This transparency and responsiveness build confidence and long-term relationships in a marketplace where trust is often a rare commodity.

    Continuous Improvement: What Drives Our Team Day to Day

    People at every level of our operation contribute ideas. Operators in the plant catch early signs of filtration bottlenecks. QC analysts notice small shifts in melting point or color over production lots, alerting the production team to solvent or reagent quality fluctuations. Managers review process data for opportunities to streamline steps, reduce waste, or boost yields. This daily data flow turns customer input and internal experience into measurable upgrades for every batch of 2-Amino-5-Bromo-4-Methylpyridine that leaves our site. Our support team logs not just complaints but positive feedback too, letting us document best practices and raise the quality baseline over time. Many improvements originate from routine customer calls about solubility, color, and reaction compatibility. By actually making the chemical ourselves and staying close to each order, we merge bench-scale attention to detail with commercial manufacturing efficiency.

    Looking Toward Collaboration and Problem-Solving

    Real chemical manufacturing benefits from openness and adaptation. New routes or uses for 2-Amino-5-Bromo-4-Methylpyridine often arise from client collaboration, whether that means testing variants in catalytic screening or producing a derivative for late-stage process optimization. Our staff listens and works with clients to align properties, documentation, and delivery to precise needs. We can customize purification or packing based on regulatory environment, project timelines, or specific application constraints, always underpinned by genuine chemical experience. Some of the most valuable relationships have begun with a single technical question and grown into long-term supply partnerships built on mutual problem-solving and respect for expertise.

    What We Wish Every Buyer Knew

    Chemical sourcing decisions shape both today’s work and tomorrow’s discoveries. Our direct experience as a producer of 2-Amino-5-Bromo-4-Methylpyridine gives us a unique vantage: every improvement, every prompt shipment, every candid technical answer proceeds from hands-on trial, error, and solution. We encourage all users to ask for real insight—actual synthetic details, true quality control data, and feedback from people who understand both the challenges and rewards of laboratory chemistry. This focus on practical knowledge, process transparency, and continuous learning drives our operation and lets us empower those pushing the boundaries of synthesis, discovery, and application.