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5,7-Dimethyl[1,8]Naphthyridin-2-Amine

    • Product Name 5,7-Dimethyl[1,8]Naphthyridin-2-Amine
    • Alias DMNA
    • Einecs 471-470-6
    • 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
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    Specifications

    HS Code

    700858

    Cas Number 136122-61-1
    Molecular Formula C10H11N3
    Molecular Weight 173.22 g/mol
    Iupac Name 5,7-dimethyl-1,8-naphthyridin-2-amine
    Appearance Light yellow to brown powder
    Melting Point 170-174°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Smiles Cc1cc2nc(C)cc(N)nc2cc1
    Inchi InChI=1S/C10H11N3/c1-6-3-8-7(2)4-9(11)13-10(8)12-5-6/h3-5H,1-2H3,(H2,11,12,13)
    Storage Temperature Store at 2-8°C
    Synonyms 5,7-dimethyl-2-amino-1,8-naphthyridine

    As an accredited 5,7-Dimethyl[1,8]Naphthyridin-2-Amine 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 5,7-Dimethyl[1,8]Naphthyridin-2-Amine, with tamper-evident seal and hazard labeling.
    Shipping The chemical **5,7-Dimethyl[1,8]Naphthyridin-2-Amine** is shipped in tightly sealed containers, protected from light and moisture. It is handled according to standard regulations for organic compounds, often shipped via ground or air freight with proper chemical labeling and documentation. Ensure compliance with regional and international transportation guidelines.
    Storage 5,7-Dimethyl[1,8]Naphthyridin-2-Amine should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Protect it from moisture, direct sunlight, and heat. Use appropriate personal protective equipment when handling. Store at room temperature and clearly label the container to ensure proper identification and safe use.
    Application of 5,7-Dimethyl[1,8]Naphthyridin-2-Amine

    Applications of 5,7-Dimethyl[1,8]Naphthyridin-2-Amine in Industrial Manufacturing

    As a direct producer of 5,7-Dimethyl[1,8]Naphthyridin-2-Amine, we supply this specialty heterocyclic amine to manufacturers in sectors where advanced intermediates are essential for downstream innovation and regulatory compliance. Below are key industrial application segments, each reflecting sector-specific standards, practical dosage practices, production process integration, and typical end product formats.

    1. Pharmaceutical API Intermediate Synthesis

    Leading pharmaceutical producers utilize 5,7-Dimethyl[1,8]Naphthyridin-2-Amine as a critical ring-building block and amination source during the manufacture of small-molecule drug substances, notably in antihypertensive and antineoplastic active pharmaceutical ingredients. Its strong reactivity enables site-specific functional group modification in multi-step organic syntheses, feeding into GMP-regulated API production flows.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia Monograph 2034
    • USP General Chapter <823>
    • FDA 21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals

    Typical usage ratio

    • 0.5–3.5 mol% per batch based on downstream substitution pattern; final ratio determined via route optimization and impurity profiling

    Downstream process integration

    • Introduced at the amination or cyclocondensation step during core heterocycle assembly, after initial acylation and prior to final functionalization or salt formation in pharmaceutical synthetic campaigns

    Final product types

    • Bulk active pharmaceutical ingredients (APIs) for solid and liquid dosage medication
    • Intermediates for generic small-molecule drugs
    • Clinical trial batches for new drug development

    2. Agrochemical Synthesis: Herbicide and Insecticide Intermediates

    Major agrochemical companies use this compound during the stepwise creation of selective herbicides and insect control agents, where it functions as a scaffold for nitrogen-heterocycle moieties. Downstream, the material drives the synthesis of actives with tailored binding affinity, supporting compliance with food safety residue standards and environmental regulations.

    Industry compliance standards

    • FAO/WHO Codex Alimentarius Pesticide Residues Guidelines
    • ISO 9001:2015 for agrochemical process quality
    • REACH Regulation (EC) No 1907/2006
    • China GB 2763 Maximum Residue Limits for Pesticides

    Typical usage ratio

    • Typically 1.0–8.0 wt% in relevant stage reactions; adjusted per intended substitution and downstream target yield

    Downstream process integration

    • Fed during core heterocycle-forming or N-alkylation steps, ahead of downstream thiol- or halo-functionalization, and before the formulation of technical concentrate

    Final product types

    • Technical-grade herbicide intermediates
    • Active insecticidal ingredient batches
    • Custom pesticide actives for domestic and export use

    3. Dye and Pigment Manufacturing

    Intermediate manufacturers for specialty dye and pigment dispersions integrate 5,7-Dimethyl[1,8]Naphthyridin-2-Amine to construct nitrogen-based chromophores. It plays a foundational role in the selective synthesis of naphthyridine-derived molecules, ensuring color saturation, thermal stability, and consistency essential for industrial and textile colorants.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • ISO 105-C06 for dye fastness in textiles
    • EU REACH compliance for colorant safety
    • ETAD (Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers) guidelines

    Typical usage ratio

    • Between 1.5–12 mol% in dye precursor synthesis, scaled subject to chromophore extension design and downstream hue intensity targets

    Downstream process integration

    • Introduced during the base heterocyclic synthesis or azo coupling stage, prior to post-reaction purification and pigment particulate dispersion

    Final product types

    • Synthesized specialty dyes for textile inks
    • Industrial pigment dispersions
    • High-purity laboratory reference standards

    4. Electronic and Photonic Material Precursors

    Fabricators of advanced electronics and photonic materials use this raw material as a key precursor for heterocyclic compounds with defined electronic properties. Its selective integration into molecular semiconductors or organic light-emitting diode (OLED) emissive layers enables charge transport modification and device stability critical in optoelectronics.

    Industry compliance standards

    • IEC 62321: Determination of certain substances in electrotechnical products (RoHS)
    • UL 746A: Polymeric Materials – Short Term Property Evaluations
    • IPC-4101: Specification for Base Materials for Rigid and Multilayer Printed Boards
    • ISO 14001 Environmental Management for electronics manufacturing

    Typical usage ratio

    • Applied at 0.2–2.5 mol% in polymer backbone or small-molecule blends; precise dosage varies per device layer design and charge carrier characteristics

    Downstream process integration

    • Inserted during monomer synthesis or functionalized prior to device encapsulation; participates in the precursor blend for OLED or photonic film fabrication

    Final product types

    • Organic semiconductors for OLED displays and lighting
    • Photonic polymers for thin-film devices
    • Specialty electronic material standards

    5. Specialty Chemical Research and Reference Standards

    Contract research organizations and laboratory reagent producers select this compound for use as a reference marker in heterocycle analysis, chiral separation, and metabolic tracing studies. Its high purity and structural specificity underpin the accuracy of analytical method validation and new compound screening.

    Industry compliance standards

    • ISO/IEC 17025: General requirements for the competence of testing and calibration laboratories
    • USP <11> reference standard requirements
    • CFR Title 21 Part 58 (GLP) for laboratory practices
    • FDA guidelines for analytical procedures and validation

    Typical usage ratio

    • Typically 10–50 mg per analytical sequence; large-scale standards production may use 0.1–1.2 g per batch

    Downstream process integration

    • Sourced into analytical reference formulation, calibration blend preparation, or as a spike in chromatographic or spectrometric method validation

    Final product types

    • Primary analytical standards for method development
    • Certified reference materials for instrument calibration
    • Internal lab controls for heterocyclic compound screening
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    Certification & Compliance
    More Introduction

    Introducing 5,7-Dimethyl[1,8]Naphthyridin-2-Amine: A Versatile Intermediate from Our Lab

    Direct from Our Production Line

    Every batch of 5,7-Dimethyl[1,8]Naphthyridin-2-Amine coming out of our reactors represents several steps of coordinated synthesis, extensive purification, and an ongoing commitment to clarity in quality assurance. In chemical manufacturing, consistency has more value than volume. That belief anchors our decisions on batch sizing, process control, and continued investment in refinement technologies. As the team responsible for converting raw precursors to this compound, we know intimately how each variable—temperature ramp, solvent ratio, filtration speed—changes the story told by the final product.

    Specifications that Serve a Purpose

    Our batches typically show a purity that exceeds 99% by HPLC, which matters for researchers who cannot afford ambiguous reactions downstream. Moisture and trace metal analysis come standard. We monitor all relevant parameters—UV absorbance, melting point, and solubility in key laboratory solvents. These are not just lines on a certificate but numbers we discuss at shift meetings, with every deviation opening a full round of root-cause analysis.

    Demand for 5,7-Dimethyl[1,8]Naphthyridin-2-Amine can rise suddenly when new papers suggest fresh therapeutic targets or materials promising special properties. At those times, researchers rely on reliable sourcing—one phone call or email to get a shipment off the shelf instead of weeks of uncertainty. As we scale up, the focus never shifts far from reproducibility, because downstream partners count on that, too.

    Use Cases from the Floor

    This compound finds routine use in heterocyclic drug synthesis, fluorescent probe construction, and catalyst design. Synthetic chemists appreciate having an amine at the 2-position of a rigid naphthyridine—a feature that unlocks routes to larger, more complex molecules. Some of our long-term clients come from early-stage pharmaceutical R&D, looking to test ideas that ride on the stability and reactivity of this specific scaffold.

    Through our feedback channels, we've watched 5,7-Dimethyl[1,8]Naphthyridin-2-Amine become a reliable building block in chemical libraries and fragment-based drug design. This amine handles protection and deprotection schemes without excessive byproduct formation. It enables straightforward coupling with acid chlorides, sulfonyl chlorides, or activated esters, yielding derivatives that retain biological activity or new luminescent properties.

    In the diagnostics space, some customers have reported success using it as a precursor for novel fluorescent tags, taking advantage of its fused-ring system and methyl substitution pattern. Conversations sometimes stray into pure curiosity about what happens when the side chain is swapped, or the core functionalized at the six position. This dialogue—chemist to chemist—shapes our process improvements and research collaborations.

    Differences You Notice in the Lab

    One question we hear at conferences and from first-time buyers: why choose 5,7-dimethyl substitution? Methyl groups at positions 5 and 7 change both the electron density and the solubility profile of the naphthyridine. These tweaks matter. The compound shows better solubility in common polar aprotic solvents, like DMF and DMSO, than its 1,8-naphthyridin-2-amine sibling without methyl substitution. Better solubility translates to fewer headaches during coupling or purification steps.

    The electronic influence of the methyl groups sometimes appears during electrophilic substitutions or metal-catalyzed transformations. In our testing, yield consistency improves, and side-product profiles become more predictable. Our partners working on small molecule inhibitors describe increased functional group tolerance with this scaffold, opening up reactions that would cause decomposition or unwanted isomers with unsubstituted naphthyridines.

    Our technical staff monitor data streams for every batch over time, looking for subtle trends in impurity buildup, isomer content, or changes in melting range. We direct these lessons back into the pilot plant, adjusting parameters instead of hoping for the best. Those details—small organic acids ever-present in some commercial sources, but nearly absent in ours—matter when your chromatography column starts picking up ghost peaks.

    Practical Manufacturing Insights

    Handling this compound over the years, our technicians have developed ways to minimize hydrolysis and polymerization—problems that show up after storage in marginal facilities. It pays to avoid excess moisture in the drums and to match bottle size to expected use timelines. Every operator on our lines knows how a slip in the drying process can degrade purity, and customers who’ve experienced brownish, clumpy samples from bulk traders quickly notice the visual and chemical difference.

    Granulometry has been optimized to allow clean scooping, easy weighing, and rapid dissolution in solvents. We went through multiple rounds of particle size adjustment to reach a consistency that avoids both dust hazards and the dreaded compacted cake at the bottom of a jar. Our five-step washing process strips away stuck-on residues without sacrificing yield, and our logbooks track each iteration for future reference.

    Not all facilities hold themselves to these standards. Some market a “fine powder” that still carries solvent smell or unresolved peaks in NMR. In our production, these issues signal the need for a deeper process review, or a fresh check on our reagents’ supply chain. Our staff—drawn mostly from local chemical engineering programs—value the feedback from people in the field, since every report sharpens our next process update.

    Meeting Industry Demands through Direct Engagement

    Requests for product adaptation come often, and we treat them as part of staying relevant. If an end-user needs a specific solvate, or stability in a particular buffer, we respond by testing small pilot runs. This back-and-forth informs us about practical bottlenecks downstream, from robotic liquid handlers to lyophilization or hot-plate stability. Researchers are clear about what slows them down or causes process breakdowns. We interpret these as calls for real change, not as checkboxes on a spec sheet.

    One university group asked for improved batch-to-batch reproducibility after experiencing analytical drift during a two-year screening project. We reviewed our records, compared stability data, and ran new process simulations, then instituted more rigorous QC documentation at intermediate steps. This resulted not just in better product, but also in a closer relationship and an invitation into early-stage project design.

    The larger companies in agrochemicals take a more formal approach and demand ever-tightening impurity profiles. We opened a dedicated QC line for these clients, using upgraded analytical tools and trace standard curves that stand up to external audit. These moves have shifted our focus from bulk delivery to long-term collaboration, anchoring new research and process improvement to documented feedback from actual use, not just theoretical models.

    Why True Experience Matters

    Many listings on online B2B platforms can blur the line between original manufacturers and third-party traders. As direct producers, we share what happens behind the scenes—how a subtle color change in the raw input can cascade through to final product shade, how a supplier’s delay becomes a just-in-time logistical challenge, how every HPLC run connects back to someone’s experiment. There’s a difference between handling raw chemicals and importing/distributing repackaged drums. We strive for minimal intermediation, because every layer between us and the end user adds to risk and reduces actionable feedback.

    Since we manufacture in-house, every persistent off-flavor in a shipment, every hint of batch-to-batch inconsistency, is not an abstraction to be forwarded up a supply chain. It comes straight to our R&D and production teams, who have the experience and tools to actually fix underlying causes. It’s not marketing speak—it’s the way we avoid falling behind as research needs change.

    Understanding the Broader Significance

    As regulatory frameworks tighten around complex organic intermediates, traceability and repeatability gain extra weight. Auditors and institutional buyers want more than a copy of a CoA—they want documented environmental controls, proof of chain-of-custody, and evidence of sustainable practice. Our site maintains detailed records at every step, from waste stream management to final container sealing. That traceability helps our partners minimize their own risk when moving new compounds into preclinical or pilot-scale work.

    There’s a distinct shift across the industry toward raw materials tested not just for identity, but for performance over long-term storage, handling, and multi-step transformations. We have aligned with these needs by investing in cold-chain logistics, batch reservation systems, and stability testing protocols. Our role is to support research output, not just push product.

    Practical Solutions to Common Challenges

    Supply disruptions pose a persistent challenge in specialty building blocks. We counter this by maintaining controlled reserves of key reagents and rotating stock to minimize aging. Advance communication with returning clients makes it possible to pre-allocate batches during tight markets. This approach isn’t glamorous, but it proves its worth during seasonal surges and sudden regulatory changes.

    Shipping hazardous materials necessitates strict documentation, compatible packaging, and clear carrier partnerships. Our staff take part in continual training and certification, and we have built relationships with national and international logistics firms to expedite customs clearance. We understand that a delayed package can set back an entire synthesis push or delay publication, so we prepare by tracking regulatory changes and pre-filling paperwork for our most common export routes.

    The inevitable need for custom quantities poses its own challenges. Unlike brokers, we control vessel size, batch splitting, and inventory, allowing us to respond with both large and small shipments on short notice. This flexibility owes itself to our modular production design, maintained through regular plant upgrades and feedback-driven process mapping.

    Feedback that Drives Improvement

    Technical support never follows a script here. When a customer describes a failed coupling or a strange NMR peak, it launches a direct conversation with the chemists who made the batch. We keep logs of unexpected calls, not just for QA but for continuous process optimization. In fact, some of our most successful process revisions stem directly from user feedback: more robust drying led to better shelf life, changes in particle size distribution eased issues with automated dosage, and improvements in packaging reduced static build-up during transfer.

    We don’t shy away from problems. If something arrives damaged, short-weight, or with unsatisfactory purity, we prioritize honest assessment and fix over delay or evasion. Returned samples receive the same full analytical panel as production, and results inform both internal training and external communication. This transparency grows trust, and our longest customer relationships reflect the value both sides find in an open channel.

    Looking Ahead in Chemical Manufacturing

    Continued use of 5,7-Dimethyl[1,8]Naphthyridin-2-Amine across research and industrial sectors pushes us to stay ahead of evolving demands. Automation continues to influence batch processing, packaging, and logistics, while stricter environmental controls push us to adopt cleaner synthesis routes and more efficient purification methods. Our focus remains on supporting R&D with a foundation of reliability, transparency, and adaptability.

    The real measure of a specialty intermediate rests not in technical descriptions, but in how it performs in the hands of experienced chemists and engineers. From procurement to final reaction vessel, our staff and systems align to minimize error and maximize the impact of your research. We recognize the difference between data-driven feedback and vague “market requirements,” and we build our process improvements on the evidence and stories that flow from our most engaged partners.

    Every new round of collaborative development brings unanticipated discoveries—different solubility challenges with new analogs, unexpected reactivity during scale-up, novel applications as catalytic frameworks or diagnostic dyes. We treat these findings as opportunities to recalibrate and grow, never as threats to business-as-usual. Direct experience as a manufacturer, rooted in constant dialogue with problem-solvers on the other side of the supply chain, guides each tweak, upgrade, and innovation.

    Our team builds pride and culture not on checklists, but on quiet reliability that shows up when deadlines approach and projects shift. 5,7-Dimethyl[1,8]Naphthyridin-2-Amine stands as just one marker of this deeper manufacturing commitment—one that values the rigors of research above trend-chasing or volume for its own sake.

    In closing, our focus sharpens around more than meeting technical purity or regulatory approval. It focuses on cultivating a feedback-driven partnership with those who push the boundaries of molecular science, every day, across laboratories and applications worldwide.