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1H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-Amine

    • Product Name 1H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-Amine
    • Alias Alprazolam
    • Einecs 294-850-9
    • 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

    253793

    Iupac Name 1H-1,2,3-Triazolo[4,5-d]pyrimidin-7-amine
    Molecular Formula C5H5N7
    Molecular Weight 163.15 g/mol
    Cas Number 36857-47-7
    Appearance White to off-white solid
    Melting Point 270-273°C
    Solubility In Water Moderate
    Smiles C1=NC2=NNN=C2NC1N
    Inchi InChI=1S/C5H5N7/c6-3-1-7-5-8-9-11-12(5)4(3)10/h1H,(H4,6,7,8,9,10)
    Storage Temperature Room temperature
    Synonyms 7-Amino-1,2,3-triazolo[4,5-d]pyrimidine

    As an accredited 1H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-Amine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The compound is packaged in a clear glass vial, sealed, labeled "1H-1,2,3-Triazolo[4,5-d]pyrimidin-7-amine," containing 5 grams.
    Shipping **Shipping Description:** `1H-1,2,3-Triazolo[4,5-d]pyrimidin-7-amine` is typically shipped in sealed, labeled containers designed to prevent contamination and moisture exposure. The package is handled according to standard chemical safety protocols, with documentation provided for identification and compliance. Transport should follow relevant regulations for laboratory chemicals. Handle with care during transit.
    Storage 1H-1,2,3-Triazolo[4,5-d]pyrimidin-7-amine should be stored in a tightly sealed container, protected from light and moisture. Keep it at room temperature, ideally in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Proper labeling and secure placement in a designated chemical storage cabinet are recommended to ensure safety and integrity.
    Application of 1H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-Amine

    Applications of 1H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-Amine in Industrial Manufacturing

    1H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-Amine serves as a specialty intermediate in several regulated industrial sectors. Its unique chemical structure supports advanced synthesis routes across pharmaceutical, agrochemical, and specialty chemical manufacturing. We outline select application scenarios based on current industrial adoption and real-world compliance frameworks.

    1. API Intermediate for Antiviral Drug Synthesis

    Research-driven pharmaceutical production often employs this compound as a key heterocyclic intermediate during nucleoside analogue synthesis. It participates in nucleophilic substitution or coupling reactions under controlled conditions, impacting yield and impurity profile in API manufacturing for antiviral compounds. Facilities must monitor batch quality, as process parameters directly affect pharmacopoeial compliance and downstream purification requirements.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP/EP monographs for APIs
    • WHO guidelines for process validation
    • Local GMP certification (e.g., US FDA, EU EMA)

    Typical usage ratio

    • Applied at 0.8–1.3 molar equivalents per target nucleoside; optimized based on target route and yield.

    Downstream process integration

    • Reacted with protected ribose or similar sugars during amidation step; integrated before final deprotection or crystallization.

    Final product types

    • Interferon inducers (e.g., synthetic nucleoside APIs)
    • Antiviral nucleoside drugs
    • Biologically active heterocyclic intermediates
    • Finished dosage forms after further synthesis and formulation

    2. Precursor in Agricultural Fungicide Manufacturing

    Manufacturers use this triazolopyrimidine derivative as a building block in selective synthesis of systemic fungicides, especially those targeting plant pathogens in cereal and vegetable crops. The precision of the cyclization and coupling reactions determines bioactivity and mitigates off-target toxicity. Batch-to-batch reproducibility ensures end-product regulatory submission success.

    Industry compliance standards

    • FAO/WHO: Specifications and evaluations for plant protection products
    • ISO 9001:2015 for process quality management
    • REACH Regulation (EC) No 1907/2006 for chemical registration in the EU
    • National agrochemical registration (e.g., US EPA FIFRA, China ICAMA)

    Typical usage ratio

    • Typically 7–12% w/w in pre-coupling stages; adjusted according to the targeted active content and desired yield.

    Downstream process integration

    • Introduced during early-stage heterocycle construction prior to chlorination or methylation, leading into active ingredient formation.

    Final product types

    • Systemic seed treatment fungicides
    • Foliar spray agents
    • Crop protection granules
    • Emulsifiable concentrate agrochemical formulations

    3. Intermediate in Advanced Dye Synthesis

    Specialty dye producers rely on this raw material for the manufacture of triazolopyrimidine-based chromophores, targeting high-performance textile and ink applications. The electronic effects of the triazolopyrimidine core enable colorfastness and specific shade tuning. Quality assurance protocols ensure no azo-amine contaminants remain beyond accepted international concentration thresholds.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (Product Class I–IV)
    • EN 71-3:2019 Safety of Toys (migration of certain elements)
    • ISO 14001:2015 Environmental Management Systems
    • GHS labels and Safety Data Sheet (SDS) compliance

    Typical usage ratio

    • Ranges from 0.5–2.5% of total batch mass, varying based on the targeted shade depth and solubility profile.

    Downstream process integration

    • Engaged after amination or sulfonation of primary aromatic precursors; follows through to core chromophore assembly.

    Final product types

    • Reactive textile dyes for cotton and wool
    • Colorfast digital printing inks
    • High-stability pigment dispersions
    • Functionalized polymer dye masterbatches

    4. Specialty Intermediate for Diagnostic Reagent Production

    Diagnostic kit and clinical chemistry manufacturers employ this compound in synthesis of triazolopyrimidine-linked reporter molecules. It supports downstream coupling to fluorophores or enzyme substrates via selective functionalization. Purity and trace residuals must align with in vitro diagnostic (IVD) and medical device quality standards to ensure reproducibility of analytical results.

    Industry compliance standards

    • ISO 13485:2016 Quality Management Systems for Medical Devices
    • 21 CFR Part 820 (US FDA Quality System Regulation)
    • IVDR (EU Regulation 2017/746)
    • CLSI (Clinical and Laboratory Standards Institute) guidelines

    Typical usage ratio

    • Commonly 0.01–0.05 mmol per surrogate substrate; adjusted for molar excess to drive high-yield coupling efficiency.

    Downstream process integration

    • Activated via carbodiimide-mediated coupling or click chemistry in terminal reporter assembly; followed by purification and conjugate formulation.

    Final product types

    • Fluorescently labeled ELISA reagents
    • Enzyme-linked immunosorbent assay substrates
    • Clinical chemistry detection kits
    • Chemiluminescent probe products
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    Certification & Compliance
    More Introduction

    Introducing 1H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-Amine: A Manufacturer’s Perspective

    Building Reliable Foundations in Research and Production

    Working with 1H-1,2,3-Triazolo[4,5-D]pyrimidin-7-amine year after year in our own labs, I see how this compound anchors important projects in both pharmaceutical discovery and materials science. It’s one thing to discuss chemical structures on paper; it’s another to watch a project hinge on the purity and reliability of your own manufactured compound. Our batches provide the backbone for high-stakes synthesis, where researchers rely on consistency—project after project. We put that to the test every day, not only through analytical equipment like NMR and HPLC, but also in scale-up trials, where minor impurities or erratic batch behaviors can quickly turn into weeks of lost work.

    What Sets Our Manufacturing Approach Apart

    Producing this molecule brings more than a checklist of analytical tests. Every process step, from building the triazole ring through selective amination, reflects years of adjusting reaction conditions and purification strategies. Small procedural changes—like new solvent choices or improved phase separations—make a real-world difference. One batch with less residual solvent, one column run that captures more byproduct, a tweak in the work-up that prevents unwanted isomers: these improvements come from direct observation, not spreadsheets.

    A manufacturer’s hands-on adjustments mean that the end-user sees fewer headaches downstream. Chemists looking for a solid intermediate want a product that dissolves and reacts the same way, every time. Issues that might look minor—say, formation of side products in obscure stepwise reactions—rarely stay minor if left unchecked, especially as projects scale or need approval from strict quality gatekeepers.

    Understanding the Details Customers Care About

    On the ground floor of synthesis, feedback runs two ways. Every year, new researchers reach out about the small but meaningful factors: batch-to-batch appearance, storage stability, and reactivity profiles, not just the percent purity printed on a certificate. Our experience shows that shelf-stability counts most for those running iterative experiments where unexpected degradation means rerunning controls or revalidating results.

    We found, for example, that storing this compound under carefully controlled low-moisture conditions helps preserve both appearance and handling properties—avoiding issues like clumping, browning, or unexplained loss of solubility. Unlike some other heterocyclic amines, 1H-1,2,3-Triazolo[4,5-D]pyrimidin-7-amine resists rapid hydrolysis under standard storage, giving project leads some breathing room when scheduling screening runs. We monitor even subtle shifts through regular in-house stability trials, and recalibrate our packaging or drying steps whenever real-world handling data says so.

    Making Differences That Matter in Practice

    Across dozens of syntheses, we’ve noticed the range of applications keeps growing. From constructing kinase inhibitors to assembling new ligand frameworks, requests for custom grades or higher-volume deliveries often highlight distinct purity or particle size needs. The triazole-pyrimidine skeleton stands out in lead optimization protocols, particularly where scaffold modifications demand reliable coupling partners free of tricky post-synthesis cleanups.

    Other triazole or pyrimidine amines sold by bulk traders frequently show variation in fine particle distribution or surface contamination, based on feedback clients shared when switching to our material. Time saved in filtration, washing, or crystallization is time gained for chemists to push projects further, not just meet minimum requirements. Some labs flagged issues in forming stable salts or clean derivatives with commercial alternatives, which points back to factors traceable only to disciplined process control and real in-lab experience.

    How Formulation and Customization Open New Doors

    Offering more than a one-size-fits-all product means paying close attention to what chemists bring up from the bench. We often field requests to tweak drying times, tailor lot sizes, or target residual solvent levels for projects ranging from curiosity-driven screening to critical validation batches for regulatory submissions. In discussions, researchers raise nuanced questions: Will the amine tolerate extended reaction cycles? Does the product handle prolonged exposure to open air in a busy workflow? How does crystallinity affect downstream analytics?

    We build answers by monitoring our product's behavior not just in storage but throughout real chemical transformations—whether it’s supporting Suzuki, Buchwald-Hartwig, or nucleophilic substitution reactions. In one project, optimizing the grinding step dramatically improved subsequent filtration, cutting batch preparation time in collaborator labs by nearly a third. By accumulating these practical notes and building feedback loops with users, we create a more predictable, accessible product.

    Comparison with Similar Chemistries

    From firsthand experience, 1H-1,2,3-Triazolo[4,5-D]pyrimidin-7-amine avoids many pitfalls common to structurally related amines. Unlike simpler pyrimidine amines, this molecule delivers a unique binding motif targeted in modern medicinal chemistry campaigns. It lines up with the emerging needs for nitrogen-rich cores in kinase inhibitor research, outpacing traditional monoamine scaffolds in specificity and interaction diversity.

    Other triazole-aminopyrimidines sold online or through trading houses turn up with mixed polymorphs or inconsistent moisture loads. Our own QC process rejects any lot showing instability under accelerated aging or weight fluctuation after packaging. Through direct problem-solving—sometimes walking back through entire production lines to spot a minor contamination risk—we’ve seen our batches bring more predictable NMR profiles and minimized reprocessing steps for clients synthesizing high-complexity intermediates.

    Supporting Innovation and Advanced Discovery

    Sophisticated synthesis programs now stretch what these heterocyclic cores can deliver, with projects layering in targeted substitutions or appending functional groups under tougher conditions. Using our 1H-1,2,3-Triazolo[4,5-D]pyrimidin-7-amine, pharma teams assembled candidate molecules with more consistent biological readouts, since the batch-to-batch purity and spectral conformity kept surprise deviations at bay. We’ve even worked alongside method development teams to ensure the product’s physical and chemical characteristics fit emerging solid dispensing or automated screening protocols.

    This open dialogue—where manufacturing adjustments reflect in user workflow—keeps both sides moving. We often review shared data from customers, noting not just immediate product fit but also unforeseen side reactions or slower crystallization. One medicinal chemist flagged that switching to our formulation directly lowered baseline interference in their UPLC method, reinforcing how subtle product differences ripple through entire project timelines.

    Upholding E-E-A-T in Everyday Production

    Operating as the manufacturer, responsible for every kilogram leaving the factory, puts accuracy and transparency at the front. Experience tells us shortcuts in raw material screening or process validation lead to major issues later—either during scale-up or under client scrutiny. Our reputation never comes from marketing copy but from the reliability of every batch, validated with standardized spectral libraries and open reporting of out-of-spec materials.

    Trusted supply partners only come about through repeated proof—surviving unexpected regulatory audits, handling emergency reworks, and providing real technical support without hiding behind anonymous customer service. Our process chemists and technical team field nuanced questions directly, drawing from not just regulatory guides but gut-level troubleshooting developed through years of hands-on work.

    The Human Element Behind Every Package

    Our workers, from formulation to lab control, take personal pride in delivering what researchers count on. Whenever a large, multi-step project depends on exact building blocks, we recognize the stakes. We’ve delayed shipments rather than release batches until crystallinity, moisture, and purity landed in line with the toughest customer demands. That expectation—whether it means rerunning a column or retesting homogeneity—comes from understanding both the science and the reality of fixing problems later.

    Technical operators in our plant track every anomaly, feeding observations back into controlled batch records and improvement meetings. Cases where subtle exotherms required reaction time tweaking, or where new filtration media reduced trace color formation, underscore a direct connection between ground-floor know-how and the research output on the other end.

    Meeting Real-World Project Demands

    Labs working under tight deadlines bring a flurry of last-minute customization requests: expedited drying, alternate pack sizes, or adjusted analytical documents suitable for regulatory filings. Projects moving from exploratory chemistry to clinical candidate nomination depend on uninterrupted, predictable supply; every cancelled experiment or batch failure delays not just one synthesis, but interconnected teams and schedules.

    We keep contingency lots on hand, pre-tested for long-term stability in controlled humidity and thermal conditions. These stockpiles come in handy not just for routine orders but also for crisis situations—rushed repeats or sudden expansion in customer scope. Through direct communication, we pick up early on which specs matter most, and adjust our workflow to match.

    Improving by Listening: Customer Stories and Technical Feedback

    Projects sometimes bring issues no analytical sheet can capture upfront. One example: after a client flagged slow dissolution in a parallel reactor run, we audited our crystallization protocols and introduced a staged drying phase. Adjustment to this one process step led to faster sample preparation in several academic and commercial labs. Another customer’s mass spectrometry lab reported low-level adduct formation, prompting an upgrade to trace metals screening at the incoming material check.

    Over time, these process improvements shift our baseline product profile, making the next batch stronger and more resilient in diverse workflows. Few changes show up immediately in product pricing—most get folded into our margin for reliability, so downstream users see smooth, predictable performance with less revalidation or repeated troubleshooting.

    Environmental and Safety Considerations in Manufacturing

    Production today demands more than just delivering technical grade purity. Our operators manage waste minimization and containment at each process point. Safety audits run in rhythm with production cycles, aiming not for compliance metrics, but for workplace routines that keep people safe, avoid spillage, and minimize downstream liability for our customers.

    Several years ago, a review of our reaction wash protocols let us recover more intermediate, adjust solvent recycling rates, and cut aqueous waste output by a measurable percentage. New containment and ventilation infrastructure now reduces airborne exposure for staff, while stricter solvent screening ensures hazardous contaminants rarely reach downstream customers.

    Shaping Progress Through Manufacturing Know-How

    Every day, we see the gap between batch records and real-life handling of 1H-1,2,3-Triazolo[4,5-D]pyrimidin-7-amine—how tight purity windows, reliable crystal forms, and packaging discipline propel projects toward completion. Years ago, some batches needed multiple reworks before passing incoming QC in other labs; by ramping up analytical fidelity, introducing in-process controls, and extending batch records, we cut those issues to near zero.

    Projects in evolving fields—like targeted therapies or next-generation materials—test every assumption. Our willingness to refactor a synthetic route when persistent microimpurities show up goes beyond standard compliance. We’ve seen first-hand how product improvement accelerates collaborative discovery, and how even small tweaks, like switching to lower-static liners in packaging, smooth out handling headaches for busy teams.

    Bringing It All Together: Consistency, Performance, and Partnership

    Working side-by-side with chemists, engineers, and regulatory reviewers reveals how crucial small details become at scale. Our production teams invest in repeat testing and cross-discipline feedback to keep each lot of 1H-1,2,3-Triazolo[4,5-D]pyrimidin-7-amine ready to blend into any project, from one-off pilot trials to GMP-validated campaigns. Customers count on more than purity—they demand integrity, responsiveness, and insight.

    Success builds from long-term relationships grounded in honesty and shared technical history. Each improvement—from process optimization to tighter batch-to-batch tracking—lets researchers focus less on basic reproducibility, and more on pushing the boundaries of what these heterocyclic frameworks can unlock. In our view, the measure of a good intermediate rests not just in certificates or emails, but in the hundreds of unseen cycles it empowers behind the scenes.