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8-Benzyltheophylline

    • Product Name 8-Benzyltheophylline
    • Alias 8-Benzyl-1,3-dimethylxanthine
    • Einecs 210-002-3
    • 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

    138082

    Chemical Name 8-Benzyltheophylline
    Cas Number 5585-73-9
    Molecular Formula C16H16N4O2
    Molecular Weight 296.33 g/mol
    Appearance White to off-white powder
    Melting Point 193-197°C
    Solubility Slightly soluble in water
    Pubchem Cid 3302
    Synonyms 1,3-Dimethyl-8-benzylxanthine
    Storage Temperature Room temperature
    Inchi Key DDJHXXQFSDSNGK-UHFFFAOYSA-N

    As an accredited 8-Benzyltheophylline factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 25g quantity of 8-Benzyltheophylline is packaged in a tightly sealed amber glass bottle with a clear, hazard-labeled exterior.
    Shipping 8-Benzyltheophylline is shipped in secure, clearly labeled containers compliant with international chemical safety regulations. Packaging ensures protection from moisture, light, and physical damage. Transport follows all hazardous material guidelines, accompanied by required documentation (SDS, COA). Shipping is typically expedited via certified carriers to maintain the compound’s purity and integrity.
    Storage 8-Benzyltheophylline should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry place, ideally at room temperature (15–25°C). Store away from incompatible substances such as strong oxidizing agents. Ensure the storage area is well-ventilated and clearly labeled. Access should be restricted to trained personnel to ensure safety.
    Application of 8-Benzyltheophylline

    Applications of 8-Benzyltheophylline in Industrial Manufacturing

    Our facility supplies 8-Benzyltheophylline to major industrial manufacturers for specialty processes across the pharmaceutical, biochemical, and analytical sectors. Each application scenario below is based on direct end-user needs, focused on compliant formulations and downstream product integration.

    1. Pharmaceutical Intermediate for Modified Xanthine Synthesis

    Pharmaceutical manufacturers incorporate 8-Benzyltheophylline as a core intermediate in the synthesis of custom xanthine derivatives for therapeutic research and advanced drug formulation. This compound serves as a selective methylxanthine backbone for the creation of novel molecular entities targeting central nervous system indications and respiratory disorders. Research and process engineers adjust the input ratios to suit structural modification requirements, ensuring each derivative meets both preclinical and clinical grade standards in active pharmaceutical ingredient (API) production.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • 21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals (FDA)
    • Ph. Eur. compliance for starting materials
    • USP General Chapters — Impurities and Residual Solvents

    Typical usage ratio

    • 0.5% to 5% by mass as a precursor, adjusted based on target derivative complexity; R&D screening may use as low as 0.1% for route scouting

    Downstream process integration

    • Direct charging to reactor vessel during multi-step organic synthesis
    • Coupling with acylation agents or alkyl halides in controlled pH environments
    • Purification by chromatography prior to API crystallization
    • Intermediate analysis via HPLC or NMR in QC lab

    Final product types

    • API-grade custom xanthine-based drug substances
    • Investigational New Drug (IND) candidates for clinical trials
    • Reference standards for laboratory qualification
    • Bulk intermediates for major pharmaceutical companies

    2. Analytical Standard in Pharmaceutical Quality Control

    Quality control laboratories utilize 8-Benzyltheophylline as a reference analyte in HPLC, LC-MS, and GC analysis for identification and quantification of methylxanthines. Regulated labs require traceable, characterized standards to ensure accuracy when validating methods for raw material assays, impurity profiling, and finished drug analyses. Stringent documentation and trace impurity profiling are mandatory during standard preparation and certification processes.

    Industry compliance standards

    • ISO 17034:2016 (General requirements for RM producers)
    • USP <1040>: Analytical Reference Materials
    • FDA Guidance for Industry: Analytical Procedures and Methods Validation
    • Ph. Eur General Methods 2.2.29 Chromatographic separation techniques

    Typical usage ratio

    • 10-100 μg/mL as calibration standard in QC assays; concentration depends on detection limits and instrument configuration

    Downstream process integration

    • Dissolution into mobile phase solvents
    • Aliquot preparation for calibration curves
    • Batch-to-batch QC validation and inter-laboratory cross-checks
    • Used as external or internal standard in assay protocols

    Final product types

    • Pharmaceutical finished formulation batch release documentation
    • QC validation reports
    • Certified analytical reference standard ampoules
    • Labeled proficiency test kits for GMP labs

    3. Biochemical Reagent in Enzyme Inhibition Studies

    Biochemical research organizations and contract research companies incorporate 8-Benzyltheophylline as a structurally-selective inhibitor for studies involving adenosine receptors and associated enzyme pathways. This compound enables scientists to evaluate biochemical interactions in vitro, supporting both academic research and industrial target validation. Labs must ensure purity control and consistent assay concentration for credible, reproducible results, while addressing safety and environmental compliance during storage and use.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP)
    • ISO 9001:2015 – Quality management systems for laboratories
    • REACH regulation (EC) No 1907/2006 for safe handling and transport in the EU
    • EPA Hazard Communication Standard (29 CFR 1910.1200)

    Typical usage ratio

    • 1–10 μM final concentration in biochemical assays; fine-tuned based on in vitro kinetic analysis

    Downstream process integration

    • Preparation of stock solutions in DMSO or PBS
    • Automated pipetting into assay microplates prior to enzyme-substrate addition
    • Integrated into cell-based or in vitro screening platforms
    • Sample archiving and disposal per laboratory SOPs

    Final product types

    • Screening assay data for enzyme inhibition or receptor binding
    • Validated hit compounds for target discovery workflows
    • Biochemical reagent panels for commercial research kits
    • Technical research papers and study reports

    4. Research-Grade Reference in Toxicological Profiling

    Toxicology labs and regulatory bodies depend on 8-Benzyltheophylline as a defined control in acute and chronic toxicity assessments of methylxanthine analogs. Its reproducible structure and stability make it suitable for establishing reference dose-response curves, supporting dossiers for regulatory submissions and academic toxicology research. All manipulation and record-keeping must adhere to documentation and safety system requirements, including secure traceability and waste handling.

    Industry compliance standards

    • OECD Test Guidelines for Chemicals (e.g., TG 420, 423, 425 for acute oral toxicity)
    • GLP compliance (FDA, EPA, EMA, OECD)
    • ISO/IEC 17025:2017 for laboratory competence
    • SDS management under GHS (Globally Harmonized System) for laboratory chemicals

    Typical usage ratio

    • Reference doses from 1–100 mg/kg body weight (animal studies), adjusted for study design and regulatory endpoints

    Downstream process integration

    • Dosing solutions prepared in compliance with toxicological protocol
    • Inclusion as positive or negative control in acute/chronic toxicology studies
    • Batch quality tracked with lot-specific documentation
    • Disposal in accordance with hazardous waste procedures

    Final product types

    • Regulatory toxicology study reports
    • Standardized toxicity reference data for chemicals registration
    • Submission dossiers for chemical safety approval
    • Peer-reviewed toxicological publications

    5. Precursor in Advanced Caffeine Derivative Manufacture

    The specialty chemicals sector employs 8-Benzyltheophylline as a branching point for the synthesis of high-value caffeine analogs. Industrial chemists introduce this compound during late-stage syntheses to protect active sites or introduce functional groups. Production lines integrate closely monitored reaction conditions and subsequent deprotection, targeting specific structural motifs found in non-clinical stimulant products intended for regulated export markets.

    Industry compliance standards

    • ISO 9001 certified production systems
    • REACH substance registration and safety assessment
    • International Transportation of Dangerous Goods (ADR, IATA regulations)
    • Customs export compliance for restricted chemical intermediates

    Typical usage ratio

    • 2–7% (w/w) relative to batch total, with adjustments based on desired yield and product functionalization

    Downstream process integration

    • Protection reaction performed under inert gas
    • Column purification to isolate desired derivatives
    • Final deprotection and product isolation for packaging
    • Continuous in-process QC to ensure byproduct control

    Final product types

    • Specialty caffeine analogs for research
    • Custom methylxanthine derivatives for non-medical applications
    • Intermediate bulk chemicals for export
    • Value-added fine chemical stock
    Free Quote

    Competitive 8-Benzyltheophylline prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Meet 8-Benzyltheophylline: Reliable Purine Chemistry from Our Facility

    Our Experience with High-Purity 8-Benzyltheophylline

    We have devoted decades to manufacturing purine derivatives, working in facilities that handle everything from small-scale synthesis to ton production. 8-Benzyltheophylline has stood out for its versatile methylxanthine backbone paired with a benzyl group at the 8-position. Our product, with the CAS number 522-21-0, continues to prove itself in both research and industrial circles. Researchers and formulation chemists ask for this specific molecule because it combines well-known theophylline activity with unique attributes from the benzyl modification.

    The backbone of theophylline is familiar to most: a purine skeleton with naturally occurring roles in caffeine and related molecules. With 8-Benzyltheophylline, the benzyl group at the eighth position introduces different solubility characteristics and receptor interactions. We take pride in tuning the process for consistent purity, typically exceeding 99% by HPLC. Experience tells us that careful recrystallization, robust solvent handling, and controlled reaction parameters each step of the way prevent side reactions and batch-to-batch inconsistencies.

    Specifications for Real-World Needs

    Every sample from our line arrives as a white or off-white crystalline powder. Moisture content stays low, controlled by oven drying and nitrogen blanketing during packaging. Packing choices include sealed glass bottles for sub-kilogram orders and polyethylene-lined drums for larger deliveries. Particle size can affect dissolution in end-use applications, so we discuss custom mesh sizes with buyers when further processing requires it.

    Impurities matter in this chemistry. During our process development, we encountered close-eluting byproducts such as dibenzylated and demethylated analogs. We've tuned our purification sequence—often involving silica gel chromatography and careful solvent gradients—to eliminate contaminants that could impact downstream analysis. We maintain full traceability from raw material intake to finished batch, because too many years in the business have shown what happens when provenance slips.

    Use Cases: From Labs to Industry

    8-Benzyltheophylline enters the picture in both academic research and product development labs. The molecule serves as an adenosine receptor antagonist, giving pharmacology groups a reference compound for studying the central nervous system or cardiovascular effects. We hear from neuroscientists running binding assays and cell culture experiments, where predictable behavior and reproducibility make all the difference in publishing credible results.

    Beyond pure research, pharmaceutical formulation groups choose our material for investigating structure-activity relationships. Modifying methylxanthines is a field with a deep history—it’s not just about caffeine analogs for energy drinks, but about generating new scaffolds for potential bronchodilators and other drugs. To that end, our process produces material tested for trace metals and solvent residues, always using validated methods.

    How 8-Benzyltheophylline Stands Apart from Standard Theophyllines

    Years of laboratory experience drive home the point: small molecular tweaks cause outsized changes in both physical and biological properties. The benzyl group at position 8 alters lipophilicity, influencing both cell penetration and receptor affinity compared to plain theophylline. This makes 8-Benzyltheophylline particularly valuable for teams mapping out SAR trends or testing transport mechanisms. Basic theophylline has wide medical use as a bronchodilator, but it lacks the specific selectivity introduced by the additional benzyl substituent.

    Handling and processing have their own set of distinctions. Pure theophylline powders sometimes cake or pick up moisture in subtropical shipping seasons. Our batches of 8-Benzyltheophylline, when kept sealed, exhibit much better stability during warehousing and long ocean transport. Several repeat customers cited this improved shelf life as a key factor in their switch.

    Our Approach to Manufacturing and Consistency

    We draw on long-running experience with methylxanthine chemistry. Sourcing anhydrous starting materials from reliable suppliers helps reduce early variability in each batch. High-pressure reactors let us scale up with precise temperature control, crucial for clean substitution at the eighth position.

    We avoid shortcuts in our processes. A well-retired colleague once said, “Don’t waste solvents, but never save money by skipping a wash.” We take this advice to heart, using clean-up steps with both organic and aqueous extractions. Some competitors skip these stages, trying to cut process times and boost batch numbers. Years of analytical experience in our on-site QC labs show that extra purification pays for itself in customer trust.

    Analytical methods keep us honest. Our in-house HPLC profiles each batch before packing, and GC analysis checks for volatile residues. Specialized UV and NMR analyses confirm identity and exclude isomeric or unreacted species. Stability studies run in parallel: we’ve stored production samples at 40°C for months to ensure the chemical structure stays intact even under challenging conditions.

    Why Quality Control Goes Beyond the Certificate

    Testing goes much further than a one-page COA. We archive each batch and can compare long-term stability data if customers report unexpected behavior in their processes. There have been cases—thankfully rare—where customers returned material, suspecting degradation during transport. In each case, we’ve cross-verified batch samples from our own control archive, looking for evidence of moisture ingress or breakdown products. These incidents drive us to tighten our procedures even further.

    Shipping, Storage, and Handling: Lessons from the Field

    Proper packaging makes a direct difference in how this material arrives at your site. Metal contamination from worn aluminum seals taught us to switch to inert liners in our drums. Our packaging stations now use pre-cleaned glass and triple-seal polybags for any quantities under five kilograms. Each drum label marks both packing date and recommended storage conditions: cool, dry, and out of direct sunlight.

    Still, chemistry is only as good as its weakest link. During hot, humid months, we’ve learned to coordinate shipping so material avoids unnecessary layovers in uncontrolled environments. Customers in warmer climates receive foam-insulated shipments and, on request, temperature loggers inside containers.

    Supporting Advanced Research and Continuous Innovation

    Our place as a manufacturer puts us in regular contact with researchers across the globe. From conversations at trade shows to follow-up emails clarifying spectra or isolation procedures, we listen and adjust. Several improvements in our process came directly from customer feedback asking for lower sodium content or more detailed impurity profiling.

    We prioritize full transparency about synthetic routes, purification steps, and analytical testing. Regulatory demands from pharmaceutical partners drive us to keep our documentation thorough. In our experience, open sharing of batch records and testing methods ensures fewer surprises both for us and for downstream users. Collaboration has led to new derivatives, expanded analytical methods, and better handling protocols.

    Trends in Research and the Role of Reliable Inputs

    The flow of scientific literature has tracked a rise in novel xanthine analogs for receptor mapping and molecular imaging. We supply 8-Benzyltheophylline to university labs, contract research organizations, and development pipelines building out new classes of modulators. The molecule finds its way into metabolic studies tracing enzymatic pathways unique to substituted purines. Some groups are even building it into libraries for computational docking studies, a task that hinges on reliable, repeatable compound quality.

    Environmental and Safety Considerations from the Production Side

    Manufacturing 8-Benzyltheophylline comes with oversight on waste streams, solvent usage, and worker safety. Solvents like DMF or toluene provide good yields during specific steps, but without a proper reclamation system they increase costs and regulatory risk. We installed a closed-loop solvent recovery line several years ago after local regulators flagged emissions levels. This investment paid off in cleaner waste and more affordable pricing.

    Our training programs emphasize safe handling and emergency readiness for our staff. Each operator running the reactors completes monthly refreshers in spill response and chemical stewardship. We audit our safety setup regularly, taking advice from both in-house chemists and outside industry consultants. Accidents become less likely when teams work with mature processes and proven safety gear.

    Reducing Problem Cases: Insights from Troubleshooting

    With every complex synthesis, off-spec batches sometimes slip through. Instead of trying to salvage borderline material, we identify root causes—maybe it’s a subtle drift in raw material purity or micro-leakage in reactor gaskets. This practice, drilled into our workflow, ensures we don’t pass problems to the next stage.

    As a case in point, we once received feedback from a pharmaceutical team flagging a trace impurity that eluded initial screening. Their specific use involved high-sensitivity animal trials, and our standard profile hadn’t reached the detection limit required. Within days, our method development group tuned the HPLC gradient and increased run times. The next batch met the tighter specs, and from that point, these standards became our new baseline.

    Differences from Commodity and Third-Party Sources

    Our direct control over synthesis and purification sets us apart from resellers or bulk traders. We know what goes into each batch because each reactor run starts under our own roof, not an anonymous subcontractor halfway around the globe. Over the years, we’ve fielded calls from purchasers burned by poorly documented lots: off odors, inconsistent color, or unexplained insolubles upon dissolution. Direct manufacturing gives us full traceability and confidence in addressing every query with real data from our own books.

    Some buyers try to chase the lowest price in hopes of matching quality. Experience has taught us—both from customer stories and our own tests—that suspiciously cheap lots almost always hide process shortcuts. Residual solvents and under-characterized isomers turn up far too often with cut-rate sources. We’ve chosen instead to invest in robust synthesis and transparent documentation, sparing customers from the problems and repeat orders that come with substandard supply.

    Building Long-Term Trust with Customers

    We do more than move drums out the door. Years of direct interaction with users shape how we design, produce, and support our products. Open communication lines bring quick answers on analytical questions, custom formulation requirements, and shipping arrangements. We readily share full method details with academic and industrial partners to keep projects moving smoothly.

    Every contract includes flexibility for specification tweaks. If a group requests finer powder for rapid solubility or bulk shipment timed to their production calendar, we make it happen. We have found that accommodating such specific needs leads to deeper, ongoing relationships—and more reliable feedback for our own process improvements.

    The difference between a genuine manufacturer and a repackager comes out in these practical details. We’re accountable for every kilogram shipped, unlike intermediaries who may not see a batch from synthesis through to customer use.

    Commitment to Data Integrity and Regulatory Support

    Trust grows from open records and diligent recordkeeping. We archive every batch, every analytical chart, and every chain-of-custody handoff. Auditors and regulatory teams visiting our site receive direct access to our raw and finished material logs. We comply with current regulatory frameworks covering chemical manufacturing and downstream use.

    As regulations adapt and new compliance documents enter the scene, we stay updated. Our compliance officers track changes and implement them in our workflow—nothing gets left as an afterthought. We keep all documentation ready for customers with reporting or submission requirements, helping smooth their paths to regulatory acceptance.

    Continuous Improvement: Listening to the Market and the Science

    Markets move, science evolves, and so does our approach. Lead times shrink with new reactor technology, and analytical methods grow more sensitive each year. Customer insight helps shape not only our product specifications but process changes—whether it's a shift to more sustainable solvent choices or tighter impurity cutoffs.

    We invest in staff training, hardware upgrades, and ongoing research partnerships because we see this industry as a team effort between manufacturer and users. Research trends push production demands in new directions; our mission is to respond with flexibility and integrity, never sacrificing reliability for short-term profit.

    The Next Chapter: Supporting Future Innovation with Quality Base Chemistry

    We see 8-Benzyltheophylline as part of an ever-evolving toolkit for scientists and product developers. Direct manufacturing ensures accountability, responsive adjustments, and consistently high quality. The feedback loop between our production line and diverse global users keeps our standards grounded in real-world performance. Our staff takes pride in supporting breakthroughs from basic lab studies all the way to applied projects. Reliable supply, open dialogue, and continual process improvement define our role as a committed partner in the advancement of purine chemistry.