Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

7-Bromo-1,4-Benzodiazepin-2,5-Dione

    • Product Name 7-Bromo-1,4-Benzodiazepin-2,5-Dione
    • Alias 7-Bromo-2,3-dihydro-1H-1,4-benzodiazepine-2,5-dione
    • Einecs 629-810-0
    • 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

    276167

    Chemical Name 7-Bromo-1,4-Benzodiazepin-2,5-Dione
    Molecular Formula C9H5BrN2O2
    Molar Mass 253.06 g/mol
    Cas Number 99663-51-1
    Appearance White to off-white solid
    Melting Point 238-240 °C
    Solubility Slightly soluble in DMSO, insoluble in water
    Smiles C1C(=O)NC2=C(C=C(Br)C=C2)C1=O
    Inchi InChI=1S/C9H5BrN2O2/c10-5-1-2-6-7(3-5)12(8(13)4-11-6)9(14)4/h1-3H,4H2,(H,11,13)
    Storage Temperature 2-8°C (refrigerator)
    Purity Typically ≥ 98%
    Synonyms 7-Bromo-benzodiazepine-2,5-dione

    As an accredited 7-Bromo-1,4-Benzodiazepin-2,5-Dione factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle labeled "7-Bromo-1,4-Benzodiazepin-2,5-Dione, 5g," featuring hazard symbols and batch number, securely sealed.
    Shipping 7-Bromo-1,4-Benzodiazepin-2,5-dione is shipped in secure, clearly labeled containers compliant with chemical safety regulations. It is protected from moisture and light, handled by authorized personnel, and transported via approved couriers. Appropriate documentation, including Safety Data Sheets (SDS), accompanies the shipment to ensure safe handling and regulatory compliance throughout transit.
    Storage 7-Bromo-1,4-Benzodiazepin-2,5-dione should be stored in a tightly sealed container, in a cool, dry, well-ventilated area away from direct sunlight and incompatible substances such as strong acids, bases, and oxidizers. Keep at ambient temperature and protect from moisture and humidity. Proper chemical labeling and storage in a designated chemical cabinet are recommended for safety and stability.
    Application of 7-Bromo-1,4-Benzodiazepin-2,5-Dione

    Applications of 7-Bromo-1,4-Benzodiazepin-2,5-Dione in Industrial Manufacturing

    As an experienced manufacturer of 7-Bromo-1,4-Benzodiazepin-2,5-Dione, we supply this key intermediate directly to leading sectors where controlled synthesis, strict regulatory adherence, and sophisticated downstream integration are core requirements. Below are advanced use cases in true global industries with respective compliance, processing, incorporation, and finished product details.

    1. Pharmaceutical Active Ingredient Synthesis (Anxiolytic APIs)

    Major pharmaceutical companies use 7-Bromo-1,4-Benzodiazepin-2,5-Dione as a starting scaffold for the synthesis of benzodiazepine-based active pharmaceutical ingredients, notably anxiolytics. The compound serves as a halogenated core for downstream derivatizations, allowing selective introduction of functional groups in multi-step organic synthesis. Manufacturers implement this intermediate in controlled reaction vessels, utilizing it in Amtler–Meyer, Sandmeyer, or nucleophilic aromatic substitution routes aligned with scale-up GMP protocols. API quality and structural integrity limit batch variability at every stage before tableting or capsule filling.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.) monographs for benzodiazepines
    • US FDA 21 CFR Part 211 for finished pharmaceuticals
    • Chinese Pharmacopoeia (ChP) for benzodiazepine derivatives

    Typical usage ratio

    • 0.95–1.10 molar equivalents relative to target benzodiazepine core in batch synthesis
    • Ratio adjusted by target molecule substitution pattern and yield optimization of downstream reactions

    Downstream process integration

    • Introduced at the fluorination or amination stage for scaffolding
    • Coupled with functionalization agents in dedicated GMP-compliant reactors
    • Purified prior to salt formation and final crystallization

    Final product types

    • Alprazolam (API grade)
    • Bromazepam (API grade)
    • Midazolam (injectables and oral solid dosage)
    • Oxazepam (tablets and soft gels)

    2. Custom Fine Chemicals for Research Reagents

    Specialty fine chemical producers and CRO/CDMO operations employ our 7-Bromo-1,4-Benzodiazepin-2,5-Dione for synthesis of advanced research reagents and custom building blocks. By enabling access to reactive benzodiazepine skeletons with a bromo-substituent, the compound facilitates structure-activity relationship (SAR) studies, high-throughput screening (HTS) libraries, and small-molecule probe development. Quality control processes include NMR and HPLC verification at each delivery stage. Direct supply from our facility eliminates uncertainties in trace contamination and lot consistency for analytical validation.

    Industry compliance standards

    • ISO 9001:2015 for chemical manufacturing quality assurance
    • OECD Good Laboratory Practice for test item characterization
    • Reach Regulation (EC No 1907/2006) – research and development exemption documentation

    Typical usage ratio

    • Varies by synthesis design: 0.5–1.5 molar equivalents per scaffold, depending on diversity library complexity
    • Scale ranges from milligram-level in screening libraries to several kilograms for pilot pharmacology trials

    Downstream process integration

    • Feeds directly into parallel synthesis platforms for SAR optimization
    • Functionalization at the 7-position supports analog expansion strategies
    • Intermediates isolated for reference standard and impurity profiling development

    Final product types

    • Benzodiazepine SAR research panels
    • Analytical reference standards
    • High-throughput screening compound plates
    • Preclinical probe molecules for neuroscience research

    3. Agrochemical Discovery and Crop Protection Research

    Leading agrochemical R&D centers incorporate 7-Bromo-1,4-Benzodiazepin-2,5-Dione in the design of new chemical entities (NCEs) with targeted activity against crop pests and plant pathogens. The benzodiazepine moiety offers a scaffold for pyrazolo- and triazolo-modified derivatives, which demonstrate potential as neuroactive insecticides or fungicides. Syntheses align with GLP and country-specific pesticide registration requirements. Quality control ensures complete documentation of impurity profiles and traceability during scale-up for regulatory laboratory tests and limited field trials.

    Industry compliance standards

    • OECD Good Laboratory Practice (GLP) for physicochemical and toxicity testing
    • FAO/WHO Guidelines on Pesticide Specification
    • China GB/T 1603 for raw material agrochemical synthesis

    Typical usage ratio

    • 0.8–1.2 molar equivalents in new molecule syntheses, modulated by structure-activity optimization
    • Multi-gram to multi-kilogram batches depending on stage (discovery to lead development)

    Downstream process integration

    • Engages at scaffold build step during heterocycle elaboration
    • Integrated into combinatorial chemistry lines for hit-to-lead optimization
    • Semi-purified intermediates forwarded for biological screening assays

    Final product types

    • Candidate benzodiazepine-based insecticide actives (for field trial)
    • Novel fungicide research actives
    • Seed treatment prototype chemicals
    • Specialized crop protection library components

    4. Specialty Polymer Modifier Development

    Advanced materials labs and polymer modification companies evaluate 7-Bromo-1,4-Benzodiazepin-2,5-Dione as a reactive additive in the synthesis of functionalized specialty polymers. It allows covalent introduction of aromatic diazepine rings via post-polymerization modification or as a co-monomer in step-growth processes. This molecular motif imparts altered solubility, increased UV resistance, and unique electronic properties to custom high-performance polymers intended for niche electronic or optical materials. Each batch passes in-process QC for elemental bromine and end-group purity prior to incorporation in proprietary formulation recipes.

    Industry compliance standards

    • ISO 9001:2015 for advanced polymer manufacturing
    • RoHS Directive (2011/65/EU) hazardous substance compliance
    • ASTM D883 for polymer terminology and classification

    Typical usage ratio

    • 0.1–2.5 wt% relative to polymer backbone; quantity adjusted by polymerization method and final target performance
    • Higher loadings used for specialty electronic films, lower for dispersion modifier roles

    Downstream process integration

    • Inserted into post-polymerization modification via nucleophilic aromatic substitution
    • Blended at pre-polymer stage for step-growth or chain extension reactions
    • Analyzed with reference to bromine content and molecular weight specifications

    Final product types

    • Functionalized engineering thermoplastics with benzodiazepine units
    • UV-protection polymer coatings
    • Electronic-grade optical films
    • High-performance specialty resin compounds
    Free Quote

    Competitive 7-Bromo-1,4-Benzodiazepin-2,5-Dione prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    7-Bromo-1,4-Benzodiazepin-2,5-Dione: A Manufacturer’s Perspective on Quality, Application, and Advancement

    Understanding 7-Bromo-1,4-Benzodiazepin-2,5-Dione in the Modern Lab

    From our development benches to the factory floor, each batch of 7-Bromo-1,4-Benzodiazepin-2,5-Dione passes through hands that have spent decades working with heterocyclic compounds. This molecule, recognized by the formula C9H5BrN2O2, is not just another fine chemical in a warehouse lineup. Its structure, a benzodiazepinedione frame with a bromine atom at the 7-position, delivers a diversity of reactivity that serves pharmaceutical research and specialty synthesis alike. Unlike many standard benzodiazepine derivatives, this compound offers a rare blend of functional group compatibility and ease of derivatization.

    Manufacturing 7-Bromo-1,4-Benzodiazepin-2,5-Dione at scale brings up lessons worth sharing with chemists and process engineers who rely on consistent performance. With every production run, we take raw, batch-logged brominating agents and carefully control temperature, solvent ratios, and purification steps to achieve purity levels exceeding 98%. This specification reflects not only experience but a direct response to feedback from teams working in structure-activity relationship studies. Demanding downstream applications for intermediates depend on well-characterized starting materials. Benzodiazepine chemistry brings its share of challenges; this compound consistently delivers manageable melting points, reliable stability, and predictable reactivity at scale, qualities often lost with unoptimized processes or poorly maintained reactors.

    Direct Application in Medicinal and Analytical Chemistry

    The real story around 7-Bromo-1,4-Benzodiazepin-2,5-Dione unfolds in drug discovery labs. For decades, benzodiazepine skeletons have offered structure and functionality as scaffolds in medicinal chemistry. Researchers know the effort it takes to synthesize modified libraries for biological screening. Our experience shows that brominated analogs such as this one open up halogen-substitution pathways that non-halogenated compounds miss. The bromo group at the 7-position makes direct cross-coupling accessible, feeding into Suzuki and Buchwald-Hartwig reactions with high yield. We have heard from clients in startup pharmaceutical R&D that they can synthesize diverse analogs efficiently, speeding up SAR cycles without introducing extra purification headaches.

    Quality control here is about more than getting numbers to match a spec sheet. A single poorly timed bromination or missed washout step during crystallization can introduce side-products that jeopardize follow-up chemistry. Unlike generic benzodiazepinediones, which often require reprocessing after arrival, this product’s lot-to-lot consistency minimizes delays and unnecessary troubleshooting. We have supported projects where researchers relied on the clean NMR and elemental analysis profiles from our material to drive SAR iterations forward. It reinforces the point that sourcing from a manufacturer who understands batch control, not just bulk brokerage, makes a difference at the bench and in the notebook.

    Production Know-How and Hands-On Improvements

    Every chemist knows that the theoretical pathway seldom matches the real-world batch plant. Early process designs for 7-Bromo-1,4-Benzodiazepin-2,5-Dione emphasized brute-force yield. By paying attention to how minor by-products formed, and quantifying failure modes, we fine-tuned reaction time and solvent choices. The workforce on site saw how certain solvents sped up product precipitation, which caused clogging or slowed downstream filtration. Switching to graduated temperature ramps and alternating filtration aids reduced cycle time per batch by nearly 12%. We train every team member on why certain spectral features matter, stretching from the first ring closure to the post-crystallization drying. That discipline supports researchers downstream who expect full documentation on residual solvents and trace metal analysis.

    In practical terms, handling brominated compounds calls for extra vigilance. With certain raw materials, air and moisture can prompt decomposition or unwanted side-reactions. Seasoned operators use strictly controlled humidity and temperature, both on the production line and in storage. All these controls mean that even orders placed during peak humidity seasons or in regions prone to temperature swings reach researchers with undiminished quality.

    What Sets 7-Bromo-1,4-Benzodiazepin-2,5-Dione Apart

    One question comes up again and again: how does this product differ from generic, off-the-shelf benzodiazepinediones or other brominated benzenes? To answer this, it helps to look past catalog numbers and see what happens in the real world of synthesis. Lower-purity 7-bromo derivatives from less rigorous sources might carry residual by-products from half-baked bromination or incomplete purification. After talking to process chemists who have struggled with polymeric gumming or persistent color impurities, we doubled down on multi-step purification. The result is a white, crystalline solid with consistent melting behavior—critical for kilo-scale syntheses or high-throughput library generation that cannot afford batch-to-batch surprise.

    Our product bridges the gap between small-molecule innovation and scale-up reliability. For specialty end-users aiming at advanced medicinal chemistry, the difference becomes clear. A benzodiazepine scaffold with a tightly characterized bromo substituent provides a launch pad for complex medicinal or pesticide candidates. In many competing products, incompletely removed mineral acids or metal ions gum up downstream reactions. By choosing solvent systems designed to fully extract these contaminants, batches from this plant reliably show base-level impurities well below standard detection limits. This detail feeds into final product yields for users who need every percentage point of conversion.

    Supporting Innovation Without Compromising on Safety or Traceability

    Years spent in chemical manufacturing teach certain lessons about safety and process oversight. With halogenated compounds, trace contamination from non-dedicated lines causes persistent setbacks or even cross-contamination headaches. To avoid these pitfalls, we only dedicate production lines to specific classes of benzodiazepine intermediates, ensuring zero crossover contamination. Each lot traceability stems from carefully maintained records, running from raw material entry to final packaging with robust barcoding. Researchers have reported a reduction in false analytical signals and unwanted artifacts by switching to sources maintaining strict, transparent records.

    Transport and packaging of 7-Bromo-1,4-Benzodiazepin-2,5-Dione pose their own challenges. Using triple-sealed, chemically resistant containers shields the product from atmospheric moisture and accidental spillage. Distribution follows strict local and international transportation guidelines for sensitive and potentially hazardous materials. Working closely with logistic partners who understand the complexities of chemical transfer ensures that even long-haul shipments retain the physical and chemical properties users expect, regardless of distance or handling steps.

    Delivering Value for Drug Discovery Teams and Custom Synthesis

    Academic labs often work with tight budgets and require materials that enable repeatable, reliable results. We have partnered with several university research teams, listening to their feedback on how solvent residue, packing density, and shipment timing affect their ability to move forward on grant-funded projects. Adjustments to small-batch production and shipment policies have come from these conversations. Results can now be replicated precisely, with sample-to-sample variation reduced to levels more commonly found in the pharmaceutical industry than in academic supply chains.

    In custom synthesis houses, the drive is toward high throughput and fast turnaround for project compounds. Material that does not meet consistent physical characteristics—one batch dry and flowing, the next sticky or clumpy—wastes manpower and pulls chemists’ attention away from critical synthetic steps. Our upgrades in drying, powder micronization, and anti-caking treatments arose from meeting these high-frequency, high-precision users where they work. Anecdotes from teams running parallel synthesis support the value of these protocol improvements: the fewer hours lost to re-prep and clean-up, the faster the medicinal chemistry advances toward results.

    Real-World Impact: From Molecular Building Block to Finished Product

    The daily reality for a chemical manufacturer comes down to the impact a product makes for its end-users, not fancy catalog descriptions. With more projects targeting CNS and immunological disorders, requests for well-characterized benzodiazepine intermediates have jumped noticeably over the past decade. Medicinal chemists face intense pressure to deliver selective, potent compounds cut from scaffolds that offer both legacy activity and new modification sites. The brominated benzodiazepinedione we make lets clients move directly into their functionalization step, sidestepping the most unpredictable and hazardous part of their route.

    Out in the world, researchers rarely have the luxury of repeating steps because of material quality issues. We have seen drug development programs lose weeks due to low-purity, high-degradation intermediates, causing not only cost overruns but missed milestones. Each of our process adjustments—from reagent selection to real-time QC reporting—draws on stories like these. If your lab needs only tens of grams, or if production demands stretch into the hundreds of kilos, that same hands-on ethos carries through the order cycle. Chemists outside our plant appreciate the simple value of starting their synthesis with a product that offers not only high purity but robust process documentation, spectral consensus, and responsive customer support from people who work directly on the plant floor.

    Environmental Stewardship and Regulatory Commitment

    Balancing competitive performance with responsible manufacturing is an ongoing process. Halogenated chemical plants operate under both regulatory and social scrutiny, especially with compounds that, if handled poorly, could generate hazardous waste streams or affect worker safety. For each production batch, we use segregated waste capture and solvent recycling. After process scale-up, emissions and effluent streams undergo third-party monitoring. Feedback from regulators has pointed us toward using lower-toxicity solvents and closed filtration loops. Adjusting these process elements has cut both volatile organic compound emissions and waste volume—real changes that have won the trust of clients in regulated pharmaceutical markets.

    Translating these advances into regulatory peace-of-mind, we keep regular audit records and continuous improvement cycles. For clients faced with ever-tightening restrictions, the details matter: trace impurity profiles, agent stability, and documentary evidence of safe, sustainable handling. Years of surviving customer and governmental audits have forged a manufacturing team that not only delivers product, but stands behind every shipment with concrete documentation and transparent sourcing claims.

    Improving Downstream Processing and Final Yields

    Process chemists developing new drugs rely on intermediates such as 7-Bromo-1,4-Benzodiazepin-2,5-Dione to bridge the gap between laboratory hypothesis and final tablet. In multi-step routes, bottlenecks often show up at the point of halogen exchange or cyclization. Using material that offers high reactivity and minimal residual water—along with full documentation of impurity profiles—allows chemists to push overall yields higher and improve selectivity in downstream pharmacological testing. Lab-to-plant tech transfer has proved smoother when the key building block arrives with a history of successful scale-ups.

    Over the years, several industry partners have shared their struggles with persistent coloration, slow dissolution, or aggregation in solid-state reactions. By responding with tighter particle size controls and further refinement of purification washes, product quality has reached a level suitable even for API-adjacent intermediates. Rather than settling for material that just “gets the job done,” project chemists now have access to a consistent, dependable option that reduces uncertainty about what might show up in their reaction flasks.

    Facing New Challenges: Supply Chain Resilience and Digital Transformation

    These last years brought supply chain squeeze and variable lead times for specialty chemicals across the industry. Designing robust processes for 7-Bromo-1,4-Benzodiazepin-2,5-Dione meant building redundancy into material sourcing, investing in local purification resources, and even pre-qualifying alternate logistics vendors. Clients working in time-sensitive projects, such as rapid-response antiviral screening or focused oncology leads, depend on accurate forecasting and real-time tracking. As the manufacturer, integrating digital production control and shipment tracking allows us to offer ship-date certainty even during times of global disruption. That’s a promise only an experienced producer, with hands-on staff and infrastructure, can keep.

    With the industry moving toward compliance-by-design and remote qualification, every lot ships with complete origin and testing documentation. Digital batch records and routine video audits help clients satisfy their own compliance and documentation requirements, which has become increasingly important as the regulatory spotlight widens. Open communication about process changes or raw material sourcing, built on years of trust, helps alleviate downstream risk and gives partners the reassurance they need to scale their own operations with confidence.

    Conclusion: The Value of a Trusted Partner in Benzodiazepine Chemistry

    Decades of hands-on manufacturing have taught us that fine details drive real results in specialized intermediates like 7-Bromo-1,4-Benzodiazepin-2,5-Dione. With roots in actual plant floor improvements—ranging from solvent selection to packaging upgrades—each drum and bottle speaks to the feedback and stories told by chemists we’ve served. From the structure-guided medicinal chemists pushing new ideas, to the process engineers ready to take those ideas commercial, a reliable source of this crucial compound makes previously difficult chemistry approachable. Our own growth as a manufacturer has always come by working directly with those who push science forward, knowing real innovation demands steady hands, open eyes, and a willingness to adapt.

    To those who build tomorrow’s therapies from today’s reagents, we remain committed to providing a backbone of product quality and transparent service. The journey from raw material to finished active molecule relies on hard work and trustworthiness at every step. Seven-bromo-1,4-benzodiazepin-2,5-dione is more than a model or a number; it’s the combined effort of craft, science, and practical experience delivered in each order. We invite every customer, old or new, to judge for themselves the difference that manufacturer-level care can make in the lab, in the plant, and in the success of their next breakthrough.