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5-Azabenzimidazole

    • Product Name 5-Azabenzimidazole
    • Alias 5-Aza-1H-benzimidazole
    • Einecs 248-626-2
    • 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

    975470

    Name 5-Azabenzimidazole
    Synonyms 1H-imidazo[4,5-b]pyridine
    Cas Number 934-10-3
    Molecular Formula C6H5N3
    Molecular Weight 119.13 g/mol
    Appearance White to off-white solid
    Melting Point 175-177 °C
    Boiling Point 389.3 °C at 760 mmHg
    Solubility Slightly soluble in water
    Smiles c1cc2ncncc2n1

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

    Packing & Storage
    Packing 5-Azabenzimidazole, 25g: Supplied in a sealed amber glass bottle with tamper-evident cap and hazard labeling for safe chemical storage.
    Shipping 5-Azabenzimidazole is shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. The packaging complies with chemical safety regulations to prevent leaks or contamination. Shipping documentation includes safety data sheets and hazard labels. Handling and transport adhere to all applicable local and international guidelines for laboratory chemicals.
    Storage 5-Azabenzimidazole should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Keep it away from sources of ignition and direct sunlight. Store at room temperature, and ensure that storage areas are clearly labeled and comply with relevant chemical safety guidelines.
    Application of 5-Azabenzimidazole

    Applications of 5-Azabenzimidazole in Industrial Manufacturing

    As an established manufacturer of high-purity 5-Azabenzimidazole, we supply this heterocyclic compound to major industries where its unique molecular structure enables specialized performance in downstream production. Below, we detail authentic application scenarios, addressing compliance, formulation dosage, process steps, and finished product outputs as applied by leading end-users in each domain.

    1. Pharmaceutical Intermediate for Antiviral Drug Synthesis

    In the pharmaceutical sector, 5-Azabenzimidazole serves as a fundamental intermediate in the synthesis of select antiviral agents, particularly nucleoside analogues targeting viral RNA polymerase. Major drug manufacturers introduce our material during nucleoside core construction to achieve high selectivity and purity in downstream active ingredients, where stringent process validation and trace analysis are critical for global regulatory acceptance.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP-NF standards for residual solvents and impurities
    • European Pharmacopoeia (Ph. Eur.) requirements for starting materials
    • 21 CFR Part 211 (US FDA GMPs for finished pharmaceuticals)

    Typical usage ratio

    • 0.2–1.5 molar equivalents in nucleoside intermediate synthesis; adjusted by stoichiometry of coupling step and selectivity requirements

    Downstream process integration

    • Introduced at nucleobase formation stage via controlled condensation reactions in GMP-compliant batch reactors
    • Subjected to multi-step purification and analytical monitoring prior to coupling with sugar moieties

    Final product types

    • Antiviral nucleoside APIs such as novel guanosine analogues
    • Regulated pharmaceutical bulk actives approved by EMA, FDA, and NMPA

    2. Organic Electronic Materials Production

    5-Azabenzimidazole realizes pronounced performance as a heterocyclic building block in the formation of electron-transporting layers for organic electronic devices. Downstream manufacturers rely on the material’s structural rigidity to promote charge mobility in organic field-effect transistors (OFETs) and organic light-emitting diodes (OLEDs), incorporating it during the small molecule synthesis phase under precisely controlled atmospheres.

    Industry compliance standards

    • RoHS Directive (2011/65/EU) for hazardous substances limitation
    • IEC 61249-2-21: Halogen-free material criteria
    • ISO 9001:2015 Quality Management Systems for electronics production

    Typical usage ratio

    • 5–20 wt% in small-molecule organic semiconductors; ratio optimized for charge transfer and device stability

    Downstream process integration

    • Reacted with halogenation or alkylation agents in solvent-based synthesis to construct target oligomers or polymers
    • Processed further by thermal evaporation or spin-coating techniques in device fabrication lines

    Final product types

    • OFET active semiconductor layers
    • Emission and transport layers in OLED panels
    • Small-molecule organic photovoltaic devices

    3. Corrosion Inhibitor Component in Industrial Water Treatment

    Within industrial water treatment systems, downstream formulators employ 5-Azabenzimidazole as a critical chelating and surface-adsorbing agent in multi-component corrosion inhibitor blends, particularly for closed-loop cooling and heating systems. The compound’s nitrogen-enriched ring structure complexes with metal ions, reducing corrosion by restricting anodic and cathodic reactions on system surfaces.

    Industry compliance standards

    • ASTM D1384 Corrosion Test for Inhibitors in Engine Coolants
    • ISO 9001:2015 for chemical formulation QC
    • Registration and approval under national Environmental Health and Safety requirements (e.g. REACH compliance in EU)

    Typical usage ratio

    • 10–60 ppm in final water treatment formulations, adjusted according to system metallurgy and operating conditions

    Downstream process integration

    • Blended with polycarboxylates and phosphate esters during inhibitor concentrate preparation
    • Dosed to recirculating water streams via automated chemical feed systems

    Final product types

    • Industrial corrosion inhibitor concentrates for power plants, HVAC networks, and process water systems

    4. Specialty Ligand Precursor for Homogeneous Catalysis

    Chemical manufacturers and research labs utilize 5-Azabenzimidazole as a strategic starting point in synthesizing ligands for transition metal catalysts, especially in cross-coupling and hydrogenation of fine chemicals. Its heteroaromatic framework allows for tailored substitution and metal coordination, improving catalyst activity, stability, and selectivity in continuous and batch production lines.

    Industry compliance standards

    • ISO 17025 laboratory quality control for analytical testing
    • Responsible Care® management for chemical manufacturing
    • Internal cGMP or GLP compliance for catalyst intermediates used in regulated syntheses

    Typical usage ratio

    • 0.05–0.5 molar equivalents per metal ion; exact dosage designed for catalyst optimization based on ligand-to-metal ratio studies

    Downstream process integration

    • Condensation or alkylation with functionalized precursors under inert conditions to form metal-coordinating ligands
    • Ligand-metal complexation performed prior to direct addition into catalytic reactors

    Final product types

    • Homogeneous transition metal catalyst solutions
    • Pre-catalyst complexes for fine chemical, pharmaceutical, and agrochemical manufacturing

    5. Analytical Reagent in Laboratory Research and Diagnostic Kits

    5-Azabenzimidazole plays a role in the formulation of specialty analytical reagents and is incorporated into diagnostic kit production for lab-based detection of nucleic acids and amino acids. It functions as a nucleophilic marker or complexation agent, with suppliers integrating it during the synthesis and formulation of high-precision research chemicals.

    Industry compliance standards

    • ISO 13485:2016 for in vitro diagnostic reagent manufacturing
    • Good Laboratory Practice (GLP) for reagent traceability and documentation
    • REACH (EC 1907/2006) for chemical safety reporting

    Typical usage ratio

    • 0.01–0.1 mg/mL in final reagent solutions, adjusted based on sensitivity and assay design

    Downstream process integration

    • Reacted or blended during final reagent compounding step prior to sterile filtration and vial filling
    • Subjected to batch-specific QC and stability validation

    Final product types

    • Diagnostic kit reagents for nucleic acid detection
    • Analytical standards and colorimetric assay components used in biotech and clinical laboratories
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    Certification & Compliance
    More Introduction

    5-Azabenzimidazole – Purpose-Built for Demanding Research

    Manufacturing 5-Azabenzimidazole stands out as a testament to both advanced chemical synthesis and the drive to meet the exacting expectations of our research partners. Chemists exploring heterocyclic building blocks know the subtle differences between analogues can have a big impact on project outcomes. Our production team manufactures this material with a strong focus on purity and reproducibility, ensuring researchers can move forward without needing to question their starting point.

    Understanding 5-Azabenzimidazole from a Maker’s Perspective

    Benzimidazole chemistry continues to serve the pharmaceutical and agrochemical industries, providing a core scaffold for molecules with potent biological activity. The presence of a nitrogen atom at the 5-position on the benzimidazole ring brings new possibilities, driven by hydrogen bonding changes and tautomeric shifts. From the bench, 5-Azabenzimidazole looks similar to its more common benzimidazole cousins, but seasoned chemists recognize that modifications in the heterocycle influence solubility, reactivity, and even stability.

    We built our process with that knowledge in mind—considering the need for clean reactions and minimal by-product formation, especially because the downstream transformations often depend on functional group compatibility. Each batch is weighed, monitored, and handled by teams who have spent years perfecting these fine points, and the results reflect in the color, texture, and analytical purity.

    Realities of Synthesis: Quality over Quantity

    Choosing to manufacture 5-Azabenzimidazole over easier alternatives represents a deliberate step. Compared to standard benzimidazole, the synthetic sequence for the aza compound throws up unique hurdles. Unsubstituted azabenzimidazoles tend to show lower yields and require more careful purification. Any shortcut risks introducing off-spec material—not an option for projects aiming for regulatory submission or structural studies. Our teams tackled these problems head-on, integrating modern purification techniques and strict moisture controls into our routines.

    The model we supply—built on a backbone of tight process control—reflects lessons learned over multiple campaigns. Each production run receives independent QC, and our lot release data covers HPLC, NMR, and, where applicable, residual solvent analysis by headspace GC. Impurities are tracked across campaigns, and our analytical group highlights changes even below typical detection thresholds. This attention to detail matters, because the impact of a barely-detectable impurity can show up downstream, ruining days of effort. We only release material that meets the high bar we’ve set; subpar lots never leave our walls.

    Applications and Use Cases from the Lab Floor

    Projects come to us across industries: drug discovery, agricultural R&D, and custom synthesis partners looking to expand their toolkit. We’ve shipped material for nucleoside analogue studies, kinase inhibitor projects, and crop protection research. Picking 5-Azabenzimidazole usually signals a team digging for performance gaps in established systems. Sometimes a single nitrogen difference can help a lead series overcome metabolic instability or solubility hurdles.

    Academics push the boundaries even harder. We’ve supplied the aza compound for undergraduate teaching labs, graduate organic method development, and structure-function investigations. In discussions with research partners, it becomes clear that even small changes in the ring system open the door to new reactivity. Direct feedback from users often highlights that our material behaves more predictably—not a surprise, since we treat each kilo as specialized, never as a commodity.

    What Sets Our Material Apart

    Many suppliers advertise azabenzimidazoles, but not all can back up those claims with thorough, production-side experience. Variation in synthetic approach leaves marks in the final sample. Some manufacturers resort to bulk batch crystallization without careful mother liquor separation—fine for tolerance in industrial settings, disastrous for sensitive applications. Others skip comprehensive purity checks, banking on the assumption that no one will notice interstitial solvents or obscure side-products.

    Our staff approaches each run with the mindset of a customer who expects certainty. Every container is filled by seasoned hands. We’ve learned the markers of a solid product well: free-flowing, snow-white, consistent melting point, clean chromatograms. We test extra for hydrate content, since even low levels can throw off stoichiometry in moisture-sensitive reactions. Our storage methodology—sealed under dry argon, kept away from light—further reduces the risk of gradual degradation.

    On the logistical end, our flexible packing enables both gram- and multi-kilogram supply, picking containers that won’t interact with the compound or introduce trace contaminants. Each lot includes full analytics and certificate of analysis, covering not only what is present but also what is purposefully absent. Our collaborative partnerships with users have led to tailored specifications for research-grade needs. Working closely with project chemists, we adapt documentation and handling advice, turning generic supply into a genuine production relationship.

    Hard Lessons from Years in the Field

    The synthetic route for 5-Azabenzimidazole often feels like a proving ground for chemists. Earlier in our production journey, we shouldered some typical mistakes: relying on starting materials that didn’t meet incoming purity criteria, rushing reaction steps, insufficient drying before packing, or underestimating the impact of trace by-products. Each of these lessons made our process stronger.

    For instance, deals with brokers sometimes supplied us with low-grade or mismarked diamines, resulting in failed cyclizations and wasted effort. Now, we demand and verify proof of origin for each main ingredient, and always prioritize traceability. Moisture, often an ignored variable, now gets strict tracking—unnecessary failures from water uptake changed our whole approach to final drying and bulk storage. Our analytical chemists run parallel confirmation tests between NMR and HPLC, rooting out materials with shadow peaks or secondary decomposition. Teams document every deviation, flagging inconsistencies for future batches.

    Differences that Matter: Comparing 5-Azabenzimidazole to Traditional Compounds

    Labs often ask us about the practical distinctions between 5-Azabenzimidazole and its simpler relatives. For researchers used to working with benzimidazole, the aza analogue surprises both in synthesis and function. The extra ring nitrogen shifts electronic distribution, which impacts both acidity and base strength. In hydrogenation studies, for example, the aza ring can coordinate more tightly to catalysts, sometimes offering selectivity where standard benzimidazole falls short. The nitrogen’s lone pair engages differently in metal coordination, which tweaks reactivity patterns in cycloaddition and cross-coupling reactions.

    Solubility shifts also play a role. The majority of benzimidazole derivatives show moderate water solubility; our aza derivative can tip dramatically based on substitution, so we always test and deliver with disclosure of final-line solubility data. Dissolution behavior often determines whether a reaction will run to completion or stall, particularly at scale.

    In stability tests, 5-Azabenzimidazole shows more sensitivity to oxidation under uncontrolled storage. Benzimidazoles, while robust, can survive in ambient air for months; azabenzimidazole needs lower humidity and careful light protection. Our approach of packaging under inert gas provides long-term stability and lets the research team focus on experiments, not material quality.

    Why Consistency Matters—Our Approach

    Over time, we’ve come to appreciate just how much batch-to-batch variability can confound even the most seasoned bench chemists. Minor differences in synthetic workups—wash solvent changes, vacuum drying parameters, filtration techniques—show up in spectroscopic fingerprints. We saw that relying on third parties or short-cut syntheses only increases risk. For this reason, our quality protocols extend from the moment of incoming raw material check through to double-sealed packing on outshipment day.

    We incorporate direct bench feedback into every SOP update. Feedback from long-term users often guides subtle process tweaks that improve outcome for the next production lot. Our field teams have a direct line to both lab chemists and production managers. In cases where a customer requires regulatory support for pharmacological or toxicological studies, our documentation covers impurity profiles, validated analytical methods, and reference spectra, ensuring smooth transfer to partner labs.

    Serving the Future of Research

    As synthetic biology, materials science, and green chemistry grow, more partners seek out heterocycles like 5-Azabenzimidazole to build up libraries and screen for new function. We see high demand from interdisciplinary groups blending chemistry and biology—a sign that even foundational building blocks must offer reliability and performance beyond basic purity claims.

    Our long-term clients inspire us to push our quality boundaries. By producing to defined, repeatable specifications, we have helped accelerate projects ranging from fluorescence probes to medicinal leads. Regulatory bodies and publication reviewers now look more closely at the source and traceability of raw materials, rewarding researchers who can demonstrate confidence in their inputs.

    Building Confidence—Not Just Compounds

    Behind each shipment lies a network of chemists, engineers, and analysts. Our workflow evolved as we responded to real-world setbacks. Shortcuts always cost more in the long run. Investment in leadership training and technical development means every operator understands why details matter. Accurate weighing, careful labeling, and robust documentation form the backbone of every successful batch. Our internal audit process reviews every failure, and corrective actions become part of our training.

    When research deadlines loom, reliable supply can save a project or salvage a synthesis sequence. We aim to shoulder that responsibility, lightening the cognitive load on research teams. Repeat customers cite our technical support—direct access to production leads and process managers—as a decisive factor in choosing to stay with our product line. We supply more than material; we offer experience and partnership.

    Feedback Loops: Listening, Learning, Improving

    Open feedback channels allow researchers to report issues directly to our production managers. If a batch fails to meet specification, we replace it without hesitation, absorbing the cost. More importantly, we investigate every root cause, updating protocols, and training accordingly. Our factory floor learns as much from what goes wrong as from successful routines. Regular review meetings encourage all staff to suggest improvements, even on well-established workflows.

    In return, partners often share application results, helping us understand emerging needs. Whether material handles well in scale-up, causes precipitation in organic solvents, or shows new reactivity—this field-to-factory communication makes our product stronger. We participate in technical conferences and roundtables, ensuring we stay in step with the community our products serve.

    Challenges and Solutions: Dealing with Complexity

    Supplying a non-standard compound like 5-Azabenzimidazole never guarantees smooth sailing. Synthetic routes call for relatively obscure starting materials, so we maintain multiple approved suppliers to de-risk our raw inventory. Global disruptions sometimes force us to modify routes; our process chemists stay ready to validate alternatives quickly. Whenever we make adjustments, parallel production runs ensure user supply continues without downtime.

    Another issue—analytical ambiguity—can complicate material verification; five-membered ring systems sometimes show overlapping peaks or complex NMR spin systems. We solve this by maintaining a dedicated analytical group able to deploy mass spec and 2D NMR for confirmation whenever single-dimension analysis leaves gaps. This technical depth prevents misidentification.

    Commitment to Sustainable Production

    Environmental stewardship now informs our process planning as much as cost or schedule. Wherever possible, we swap hazardous solvents for greener options, and strive to recover and recycle solvents from every campaign. Our waste handling has evolved—dedicated neutralization and recovery tanks allow us to minimize chemical footprint. Each improvement reduces risk for our staff and adds value to the end product.

    Staff receive regular safety, handling, and environmental training, keeping our operation in step with evolving compliance and sustainability expectations. Customers increasingly ask about lifecycle impact, and we are prepared with clear data in response. Forward-looking investments in emission controls and monitoring underpin our long-term commitment to ethical manufacturing.

    Practical Use Tips and Observations

    Users often ask how best to handle or dissolve 5-Azabenzimidazole. From experience, low humidity and oxygen-free environments deliver the best results. Some reactions take advantage of the nitrogen for chelation, so drying at elevated temperature under vacuum before use can improve performance. For extended storage, we recommend keeping the product cold and under dry argon, away from light—small steps, but ones that can prevent future troubleshooting headaches.

    Keen-eyed chemists sometimes try to use off-the-shelf benzimidazole in place of azabenzimidazole, only to find selectivity or reactivity suffers. We encourage direct communication around application goals—substituting starting materials usually leads to unnecessary delays and costs. Our technical staff can provide run histories and advice for custom conversions, drawing on both published literature and in-house data.

    Reflections on Growth and Future Directions

    Ten years ago, the market for specialized heterocycles looked limited to a few advanced projects. Today, almost every sector from biotech to materials discovery draws on the diverse chemistry enabled by compounds like 5-Azabenzimidazole. We see our role as not just supplying an ingredient, but enabling possibility—offering dependability where the smallest impurity or an unreliable source could collapse an entire development cycle.

    Building a reputation for reliability doesn’t happen overnight: we invest, we learn, and, above all, we listen. By staying open to feedback and learning from each batch, we’ve made progress in both our technical and partnership capabilities. As regulatory and commercial expectations increase, we aim to offer more than basic compliance—we strive for transparency and continuous refinement.

    Moving Forward: Open Communication, Reliable Supply

    As new research needs emerge and method development grows more demanding, we look to expand both our product and knowledge base. Consistency in 5-Azabenzimidazole production comes from a culture of care, where every team member understands how pivotal each step is to scientists striving for breakthroughs. Our ongoing partnerships continually demonstrate that high expectations can be met, year after year. We welcome discussion, challenge, and collaboration—because every improvement lets both our clients and our team move forward, confident in the quality we deliver.