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2-Chloroadenosine

    • Product Name 2-Chloroadenosine
    • Alias 2-Chloro-adenosine
    • Einecs 207-352-6
    • 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
    VTB
    Specifications

    HS Code

    768622

    Cas Number 146-77-0
    Molecular Formula C10H12ClN5O4
    Molecular Weight 301.69
    Iupac Name 2-chloro-9-β-D-ribofuranosyladenine
    Appearance White to off-white powder
    Solubility Soluble in DMSO, water
    Melting Point 223-226°C (dec.)
    Purity ≥98%
    Storage Temperature -20°C
    Synonyms 2-CA, 2-Chloro-9-β-D-arabinofuranosyladenine
    Smiles Clc1nc(nc2ncnc12)[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O
    Pka N/A (weakly basic)
    Logp -1.36

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

    Packing & Storage
    Packing 2-Chloroadenosine is supplied in a 1-gram amber glass vial, sealed with a screw cap, and labeled with chemical details.
    Shipping 2-Chloroadenosine is shipped in compliance with all relevant chemical safety regulations. It is securely packaged in airtight, chemical-resistant containers to prevent contamination or leakage. The shipment includes appropriate labeling and documentation, such as Safety Data Sheets (SDS), to ensure safe handling and transport, typically via expedited or temperature-controlled courier services if required.
    Storage 2-Chloroadenosine should be stored in a tightly sealed container, protected from light and moisture. It should be kept at −20°C or lower to maintain stability and prevent degradation. Avoid repeated freeze-thaw cycles. The storage area must be well-ventilated, dry, and away from incompatible substances. Proper labeling and handling according to safety guidelines are essential to ensure safe storage.
    Application of 2-Chloroadenosine

    Applications of 2-Chloroadenosine in Industrial Manufacturing

    As a manufacturer focusing on high-purity nucleoside derivatives, we ensure reliable and traceable integration of 2-Chloroadenosine into advanced downstream operations. The following application scenarios highlight dedicated industry practices, governing standards, formulation specifics, and end-use manufacturing details.

    1. Active Pharmaceutical Ingredient (API) Intermediate for Antiviral Drug Synthesis

    Pharmaceutical manufacturers integrate 2-Chloroadenosine as an essential nucleoside building block during the multi-stage synthesis of antiviral small-molecule actives, primarily in targeted nucleoside analogue development. Stringent regulatory oversight governs each process step, emphasizing traceable raw material sourcing, validated process chemistry, and end-point impurity profiles. The compound typically enters during the protected nucleoside assembly prior to glycosylation or subsequent phosphorylation, allowing precise nucleoside modification. Antiviral final products benefit from controlled precursor quality, supporting product release to global markets.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • U.S. FDA 21 CFR Part 210/211
    • China Pharmacopoeia (ChP)
    • EU EudraLex Volume 4 GMP Guidelines

    Typical usage ratio

    • 5–15 mol% relative to total nucleoside precursor batch; specific addition depends on target molecule structure and desired pharmacokinetic properties

    Downstream process integration

    • Introduction into the protected nucleoside condensation or phosphorylation step, following initial halogenation reactions and purification

    Final product types

    • Pharmaceutical-grade antiviral active pharmaceutical ingredients, especially adenosine analogues active against RNA viruses
    • Tablet or capsule finished dosage forms containing synthesized API
    • Injectable solutions derived from these nucleoside analogues for hospital use

    2. Biochemical Reagent Component for Cell Signaling Research

    Research reagent producers employ 2-Chloroadenosine as a selective agonist for adenosine receptors, enabling precise investigation of cellular signaling pathways in pharmacological assays. The material’s batch reproducibility directly influences experimental control over concentration-dependent signal activation. Strict in-lab documentation links sourcing and formulation, while solvent compatibility and purity verification remain critical in small-volume, high-impact research formulation processes. Buffer-supplemented controls rely on accurate downstream addition to maintain receptor-ligand specificity and minimize undesired metabolic interference.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems (for in vitro reagents)
    • REACH (EC No 1907/2006) compliance for laboratory chemicals in Europe
    • NIH Guidelines for the Use of Chemical Agents in Research
    • GHS (Globally Harmonized System) chemical labeling requirements

    Typical usage ratio

    • 10–100 μM in buffer solutions for receptor assays; concentration tailored based on signaling intensity, receptor subtype, and assay duration

    Downstream process integration

    • Dissolution within phosphate-buffered saline or cell culture medium, immediate use in receptor-binding or signal transduction assay plates

    Final product types

    • Cell-based assay kits for G-protein-coupled receptor studies
    • Ready-to-use adenosine receptor agonist solution vials
    • High-content screening reagents for pharmacology and signal transduction profiling

    3. Reference Standard Preparation for Drug Quality Control Laboratories

    Contract testing organizations and pharmaceutical QC departments prepare reference solutions of 2-Chloroadenosine to calibrate analytical instrumentation and validate nucleoside detection methods. Rigorous tracking of lot-specific documentation, certificate of analysis data, and storage practices supports compliance in regulated analytical pipelines. Labs adjust solution concentrations based on target quantification range, with typical formulation following gravimetric or volumetric standards. The material enters the reference standard preparation workflow before batchwise HPLC calibration or nucleoside impurity profiling to authenticate drug substance and product identity.

    Industry compliance standards

    • USP General Chapter <621> Chromatography
    • Ph. Eur. 2.2.46 Chromatographic Separation Techniques
    • ISO/IEC 17025:2017 General Requirements for Testing Laboratories
    • FDA Guidance for Industry: Analytical Procedures and Methods Validation

    Typical usage ratio

    • 0.01–1 mg/mL, adjusted per instrument sensitivity requirements or method validation protocol

    Downstream process integration

    • Dissolution to exact mass/volume ratios in mobile phase solvents; used as external reference material during method validation and system suitability testing

    Final product types

    • Pharmacopoeial or in-house chemical reference standards
    • Analytical working standards for HPLC or LC-MS
    • Certified calibration solutions for pharmaceutical laboratory QC

    4. Starter Compound for Custom Nucleoside Analogue Synthesis in CRO/CDMO Facilities

    Contract research and manufacturing partners initiate scaled nucleoside modification projects with 2-Chloroadenosine as a starting substrate when designing unique adenosine derivatives for proprietary drug discovery pipelines. Selection of this building block underpins downstream regioselective or stereoselective functionalization, serving critical patent and structure-activity explorations. Source-to-batch traceability, impurity profiling, and on-demand delivery specifications guide project management within advanced kilo-lab or pilot-plant scale. The material is charged directly into the first alkylation or nucleophilic substitution stage, enabling swift iterative analog development to match evolving sponsor requirements.

    Industry compliance standards

    • ICH Q11 Development and Manufacture of Drug Substances
    • GMP Annex 1 for sterile intermediates where applicable
    • ISO 13408-1 for aseptic processing (if moved to clinical intermediates)
    • Client-specific quality and audit agreements

    Typical usage ratio

    • Variable, typically 1.0 molar equivalent as limiting agent; project-specific adjustment based on analog design and reaction throughput planning

    Downstream process integration

    • Direct entry into the initial analog synthesis vessel; supports parallel or sequential functionalization reactions to meet client molecule designs

    Final product types

    • Research-grade nucleoside analog intermediates
    • Customized nucleoside libraries for high-throughput screening
    • Lead-candidate compounds for medicinal chemistry campaigns
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    Certification & Compliance
    More Introduction

    Introducing Our 2-Chloroadenosine: Raising the Standard for Purity and Performance

    At our manufacturing facility, we put decades of know-how into every batch of 2-Chloroadenosine we produce. Chemical structures like this rarely leave room for shortcuts, and we've learned from years of hands-on synthesis that attention to detail is everything. Scientists at our company measure, monitor, and clean with an eye for the smallest deviation. This focus shows in the quality our lab techs deliver, and it's the reason pharmaceutical labs and academic researchers trust our 2-Chloroadenosine over less consistent alternatives.

    Standing Apart: Quality Through Craftsmanship in Synthesis

    Every element of our process stems from genuine factory-floor experience. We don’t just talk about high purity as a bullet point — we verify each lot through repeated HPLC analysis, reporting actual chromatograms and impurity profiles to our clients. At the day-to-day level, this means rejecting material that doesn't match the predicted absorption peaks, throwing out subpar solvents, and running multiple drying cycles so the compound settles at the expected melting point range. The result isn’t just a paper figure for purity. Users can feel the difference when the product dissolves smoothly, stores effectively, and performs as it should in cell experiments or other applications.

    2-Chloroadenosine, with the molecular formula C10H12ClN5O4, comes as a white to off-white crystalline powder. We provide it at an assay greater than 98%, fully characterized by NMR and mass spectrometry profiles. The lot-to-lot consistency comes from strict process controls and real-time feedback. Problems like trace residual solvents, inconsistent moisture levels, or color variations prompted us early on to install a feedback loop with our drying, filtration, and crystallization equipment. These design choices now save customers from eventual troubleshooting headaches because impurities have a way of showing up later as unexplained bioassay results or failed syntheses downstream.

    How 2-Chloroadenosine Delivers Reliability in Research

    From active academic projects to clinical pharmacology, our clients rely on 2-Chloroadenosine as a potent adenosine receptor agonist. Teams looking at neurotransmission rely on batch consistency because receptor-binding experiments only accept narrow windows for deviation. We learned this the hard way from an early batch in which a slight solvent carryover gave erratic readings in rat hippocampal slices. Since then, our process has shifted toward layer-by-layer monitoring of wash steps. We prefer to over-wash and re-dry rather than risk a batch that could introduce confusion for years of downstream citation.

    Customization means more than changing a label. We provide straightforward documentation showing the full testing results. Customers can trace the lifetime of a batch, from raw materials to purification checkpoints. Our product strictly meets the needs of pharmacology research, neurological pathway studies, or even modified RNA synthesis, depending on the technical route a customer pursues. Researchers frequently tell us that switching from generic suppliers to our material eliminated unexplained assay-to-assay drifts.

    2-Chloroadenosine’s trusted bioactivity also comes from stability. We engineer packaging to resist both light and moisture ingress, using thick-walled amber bottles for sensitive lots or lab-grade desiccation pouches for fieldwork. Those precautions might not read as technological breakthroughs, but anyone who’s lost a batch to humidity knows the value of thoughtful packaging. Our shipping partners understand that the product cannot linger in uncooled depots or under direct sunlight. Each container goes out with clear storage guidance and batch documentation, not just a packing slip.

    The Real Differences vs. Other Nucleoside Analogs

    As hands-on manufacturers, we get frequent questions about the practical distinctions between 2-Chloroadenosine and other analogs. Sometimes the differences look small on paper, but in real applications, they matter. Unlike simple adenosine or 2′-deoxyadenosine, the chlorine substitution at the 2-position alters the molecule’s resistance to deamination. This structural tweak makes the compound much more metabolically stable under physiological conditions. In practice, this enables researchers to investigate receptor-mediated effects for longer periods without chasing after instabilities or breakdown products.

    We’ve also compared our 2-Chloroadenosine with rigidity-enhanced analogs and bulk suppliers’ lots. Some competitors push out lots with higher levels of unidentified byproducts. Sensitive applications, such as HPLC-purified oligonucleotide synthesis or enzyme kinetics investigation, simply cannot tolerate uncharacterized impurities. Our customers see the benefit in improved repeatability with our standard material. If needed, we do provide variants with adjusted pH or buffer compositions, again, only after full analysis and reporting.

    It might sound obvious, but our technicians learned that even the particle size after grinding makes a difference in reconstitution, especially for rapid-dosing experiments in animal studies. Compound clumping or static build-up, often ignored by resellers, does affect reproducibility over repeated runs. Our post-synthesis finishing steps avoid this issue, as confirmed by year-on-year returns from our core biotech clients.

    Meeting the Evolving Needs in Biomedical Science

    The importance of dependable 2-Chloroadenosine grew with the spread of receptor mapping and molecular signaling projects. As the methods expanded, new requirements surfaced. Our R&D team regularly collaborates with clients not just to sell compound, but to solve process pain points in academic and industrial labs. For example, some viral inhibition projects demanded rapid dissolution, others required long shelf-life under buffer conditions. We responded by extending our range of packaging sizes and offering both single-use vials and bulk containers, always with the same QA standards.

    In the world of neuroscience, opinions about sources of variation run deep, particularly where behavioral-model reproducibility is on the line. One pharmacology group we worked with traced puzzling dose-response shifts to a supplier’s inconsistent handling of wet vs. dry-product transition. After reaching out, we helped their lab devise a custom aliquot protocol. This collaboration approach now forms a key part of our technical support, because nobody wants wasted animal runs due to unknown process variables.

    Our chemical engineers put heavy emphasis on solvent selection, not just during synthesis but also in all surface treatment and cleaning steps for product-contact equipment. The solvent choice plays a big part in the profile of residuals. We always analyze the final lots for all likely trace components, publishing the actual solvent class and confirming levels below industry-standard cutoffs. That sort of transparency rarely appears with off-the-shelf supply chains, and it's one reason why grant agencies and institutional reviewers accept references to our lot data in regulatory filings or publications.

    Supporting Real-World Researchers, Not Just Theoretical Users

    We spend real time watching how research customers use 2-Chloroadenosine after delivery. Feedback from their hands-on workflows guides our improvements. Take RNA chemists pursuing analog incorporation: Their protocols demand material free from metal trace contamination. After hearing about issues from a large lab, we adjusted our purification loop to include a custom resin filtration step. The resulting drop in measured iron and nickel opened the door for several grant-funded projects to use our supply, leading to a significant uptick in citations for both us and the labs we serve.

    It’s common for scientists hiring us for custom-scale lots to bring special requirements concerning residual moisture or pH levels. We meet these specifications without the handwaving seen in anonymous, third-party supply chains. Our test data go into every delivery, so nobody runs blind. Sometimes it means extra work in the drying room, or tuning the crystallizer, but it pays off as experiments come to fruition without unexplained anomalies.

    Defining quality with transparency improves everyone’s results — customers see the process maps for their received batches, making audits or publications straightforward. The trust that arises from this sort of open sharing beats the uneasy feeling that comes from generic white-label product or a distributor with no direct access to the original production records.

    Process Improvements And Sustainable Manufacturing

    Environmental challenges grew as scale increased. We began phasing out halogenated solvents in our plant after monitoring hazardous waste output and assessing employee safety. While producing a molecule like 2-Chloroadenosine still comes with regulatory compliance loads, we mapped out waste collection and solvent reclamation loops that lower both our environmental footprint and operating cost. Staff up and down the line now submit direct input to our process design team, closing the gap between day-shift observations and senior engineering oversight.

    Beyond waste reduction, keeping energy use sensible during temperature-sensitive synthesis and drying steps led us to insulate tanks, automate condenser timing, and adopt heat recovery in vacuum pump operations. These steps provided operational savings and allowed us to tighten up thermal gradients on leads where reaction exotherms once threatened process yields. Sharing these energy-savings measures with client groups—particularly those pursuing green chemistry certifications—earned us lasting business relationships built on mutual respect for practical improvements.

    Employees take pride in seeing their process changes applied, whether it’s a technician charting drying curve data or a technician mapping out new QA checks that catch early cluster anomalies in impurity profiles. The road to high-purity 2-Chloroadenosine is paved with continuous learning and attention to emerging best practices.

    Continuous Monitoring and Future Plans

    Our manufacturing story never stands still. Real-time quality management means reviewing every synthesis for trends in batch yields and impurity profiles, sometimes revamping purification steps even amid tight schedules. For instance, years ago, a sequence of outlier samples revealed subtle new breakdown products that only appeared after six months’ storage. Rolling out new chromatographic standards and training all QA reps in their detection averted dozens of future headaches for both us and our loyal research clients.

    Constant process insight pays off with more than just numbers on a certificate. The people operating reaction lines track their runs and troubleshoot problems quickly. As a result, researchers draw from a stable inventory, and no one has to struggle with unexpected downtime or delayed project timelines due to inconsistent deliveries from our end.

    We know trends in life science and diagnostics constantly shape new requirements for nucleoside analogs. Our R&D pipeline maintains a regular flow of pilot projects, entering collaborative partnerships with both academic labs and industrial groups. Innovations on the bench inform tweaks to scale-up, always with an eye on maintaining the signatures of reliability that our customers depend on. That level of responsiveness only comes from a manufacturer whose staff have spent years with their hands on the reactors and analytic instruments, building both their skills and their commitment to getting every lot right.

    Why Direct Manufacturing Experience Matters for 2-Chloroadenosine

    What sets direct chemical manufacturers apart isn’t just a spectrometer or lab coat. It’s the day-in, day-out attention to small details: verifying that the chromatography results stay sharp, watching that the humidity in the packaging area never drifts above setpoints, keeping a log for every deviation or unexpected peak, and responding to feedback with more than promises. Researchers choose to work with us because they see the cumulative effect these habits have on their scientific output.

    By publishing real process maps, actively collaborating on custom specifications, rapidly executing special-order lots, and maintaining a transparent batch record system, we keep building trust with every delivery of 2-Chloroadenosine. This approach not only serves science, it carves out a future where supply chain resilience and chemical quality grow together, rather than at odds.

    Whether your work calls for standard 2-Chloroadenosine, application-tailored variants, or ongoing technical dialogue, our team stands ready, drawing from years of real-world production and customer-focused support. We measure our success not just in purity levels, but in the eventual results published across journals, reports, and patent filings—each a testament to the power of chemistry anchored in hands-on experience.