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11-Chloro-Dibenzo[B,F][1,4]Thiazepine

    • Product Name 11-Chloro-Dibenzo[B,F][1,4]Thiazepine
    • Alias Quetiapine
    • Einecs 629-18-5
    • 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
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    Specifications

    HS Code

    606882

    Product Name 11-Chloro-Dibenzo[B,F][1,4]Thiazepine
    Cas Number 28797-61-5
    Molecular Formula C13H8ClNS
    Molecular Weight 245.73
    Appearance Solid
    Melting Point 162-165°C
    Chemical Class Thiazepine derivative
    Structure Feature Fused ring system with chlorine substituent at position 11
    Solubility Slightly soluble in organic solvents
    Synonyms 11-Chloro-5H-dibenzo[b,f][1,4]thiazepine
    Storage Conditions Store in a cool, dry place

    As an accredited 11-Chloro-Dibenzo[B,F][1,4]Thiazepine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 10g of 11-Chloro-Dibenzo[B,F][1,4]Thiazepine, sealed with tamper-evident cap, labeled with hazard information.
    Shipping 11-Chloro-Dibenzo[B,F][1,4]Thiazepine is shipped in a sealed, chemical-resistant container to ensure safety and prevent contamination. The package complies with all applicable regulations for hazardous chemicals, includes proper labeling, and is accompanied by relevant documentation, such as the Safety Data Sheet (SDS). Handle with care during transport and storage.
    Storage 11-Chloro-Dibenzo[B,F][1,4]Thiazepine should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Store at room temperature, and ensure proper labeling and handling according to relevant safety regulations to prevent accidental exposure or contamination.
    Application of 11-Chloro-Dibenzo[B,F][1,4]Thiazepine

    Applications of 11-Chloro-Dibenzo[B,F][1,4]Thiazepine in Industrial Manufacturing

    11-Chloro-Dibenzo[B,F][1,4]Thiazepine plays a pivotal role as an advanced intermediate in several chemical manufacturing chains, especially in regulated pharmaceutical production and specialty fine chemicals. Our company supplies this compound directly to industrial clients who demand high-purity products conforming to latest international compliance systems across therapeutic, technical, and precursor synthesis scenarios. Below, we provide detailed insight into its principal application fields based on real-world industrial practice.

    1. Antipsychotic Pharmaceutical Synthesis

    This compound serves as a key intermediate in the synthesis of atypical antipsychotic APIs. Industrial pharmaceutical manufacturers incorporate it in multi-stage batch and continuous processes to produce active ingredients enlisted in leading pharmacopeias. Our quality manufacturing supports stringent compliance needs from initial coupling through purification and formulation, enabling customers to scale up with consistent batch-to-batch traceability.

    Industry compliance standards

    • cGMP guidelines (ICH Q7, 21 CFR Parts 210 & 211)
    • USP/NF monographs for downstream APIs such as quetiapine
    • EDQM Certificate of Suitability (CEP) where applicable
    • EU Directives 2001/83/EC and 2017/1572 on pharmaceutical products

    Typical usage ratio

    • 10-18% of total molecular input on a molar basis during core API pathway, adjusted based on stoichiometry and yield optimization data

    Downstream process integration

    • Introduced at the initial cyclization or halogenation step
    • Further transformed via nucleophilic substitution and condensation reactions
    • Subjected to controlled crystallization and re-purification as per in-house QC protocols

    Final product types

    • Oral and injectable atypical antipsychotic pharmaceuticals (e.g., quetiapine fumarate tablets)
    • Generic equivalents for regulated markets
    • API master batches for contract development and manufacturing organizations (CDMOs)

    2. Advanced CNS Drug Intermediate Production

    Manufacturers utilize this material as a precursor for thiazepine-core compounds targeting novel central nervous system agent development pipelines. Proprietary and custom synthetic routes in medicinal chemistry programs rely on its reactivity profile and purity to achieve high-value, low-impurity intermediates fit for new drug entity research and preclinical supply.

    Industry compliance standards

    • EU REACH registration for intermediate use
    • ISO 9001:2015 quality management system
    • Pilot and preclinical API development per OECD GLP regulations
    • Compliance with local authority requirements for handling restricted intermediates

    Typical usage ratio

    • 12-22% by weight of total intermediate mass in targeted CNS scaffold assembly; percentage varies based on specific thiazepine derivative path

    Downstream process integration

    • Utilized in the ring-closing or selective chlorination step of CNS-active core building blocks
    • Continues through directed ortho metalation and functionalization stages

    Final product types

    • Research-scale CNS active intermediates for further derivatization
    • Preclinical NCE (New Chemical Entity) candidate batch lots
    • Thiazepine-derived drug screening libraries

    3. Custom Synthesis of Specialty Heterocycles

    This raw material is supplied as a specialty input for clients in the fine chemical sector who develop custom heterocyclic frameworks. Its selectivity and ease of functional group modifications support the structure–activity relationship (SAR) research and small-batch synthesis of libraries for chemical and pharmaceutical screening.

    Industry compliance standards

    • ISO 9001:2015 and ISO 14001:2015
    • GLP-compliant synthesis protocols for R&D purposes
    • EU Chemicals Agency (ECHA) requirements for handling specialty intermediates
    • Occupational safety in handling hazardous reagents (OSHA 29 CFR 1910.1200 for US clients)

    Typical usage ratio

    • 5-15 mol% in diversified heterocycle assembly, tunable per target analog library size and substitution pattern

    Downstream process integration

    • Employed in one-pot syntheses with multi-functional group modifications
    • Integrated into pilot-scale, stepwise batch reactors for SAR sample diversification

    Final product types

    • Discovery-stage compound libraries for pharma/biotech screening
    • Reference standards for medicinal chemistry
    • Academic research heterocycle compounds

    4. Precursor for Veterinary Pharmaceutical Ingredients

    Veterinary API manufacturers employ this compound in the construction of active moieties for animal health products, especially where thiazepine backbones exhibit targeted CNS or antiemetic efficacy for companion animals. Our controlled supply meets veterinary manufacturing and regulatory requirements to support safe and consistent API output.

    Industry compliance standards

    • VICH GL3 GMP for veterinary pharmaceuticals
    • European Pharmacopoeia (Ph. Eur.) monographs applicable to finished APIs
    • FDA 21 CFR Part 226 for medicated animal feed active production
    • ISO 9001:2015 for total quality management in veterinary supply

    Typical usage ratio

    • 8-14% of synthetic input, adapted to the molecular configuration required by specific animal-use APIs;

    Downstream process integration

    • Participates in intermediate formation and subsequent coupling reactions
    • Downstream purification adjusted for veterinary-grade purity and impurity profile

    Final product types

    • Veterinary CNS-active ingredient powders
    • Oral or injectable veterinary drug formulations for domestic and commercial animal care
    • Premix intermediates for large-scale animal remedy production
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    Certification & Compliance
    More Introduction

    Understanding the Value of 11-Chloro-Dibenzo[1,4]Thiazepine from a Manufacturer’s Perspective

    Direct from the Source: Realities of Manufacturing 11-Chloro-Dibenzo[1,4]Thiazepine

    Behind every successful batch of 11-Chloro-Dibenzo[1,4]Thiazepine sits years of applied know-how and tested process control. This compound, part of the dibenzothiazepine family, plays a role few materials match in our daily production schedule. Each molecule starts its journey in controlled reactors, where temperature, mixing rate, and reagent purity demand an attentive eye. We have learned firsthand that even slight variations can affect yield, crystallinity, and final color—a reminder that manufacturing repeats, not routines.

    Quality assurance does not stop at the end of a stirring rod. Scanning chromatograms of our finished lots shows patterns we can read, much like farmers watching weather for crop health. When a batch displays an unanticipated peak, our process engineers pause operations, trace its origin in the upstream synthesis, and address root causes long before product heads on. This matters, because downstream users in pharmaceutical or materials research rely on consistent impurity profiles, not just the purity reading from one run.

    What We Know About 11-Chloro-Dibenzo[1,4]Thiazepine from Experience

    Through every campaign, we have seen how the specifics shape application. Our product comes as a pale yellow solid, non-hygroscopic at ambient conditions, with a distinct melting range. Analytical data, including NMR and HPLC, confirm each lot, but it’s direct handling during processing—from first reaction flask to final packaging—that gives us practical insight. Experienced operators note the crystal morphology and pourability, judging whether a batch granulates or cakes in storage or moves smoothly for precise dosing.

    Direct feedback from chemical and pharmaceutical customers suggests the practical difference lies not only in the impurity fingerprint, but also in the reproducibility of physical form. Some users require the material for further synthesis, building their API intermediates, while others isolate the parent compound for reference standards or research reagents. Each application demands confidence that what arrives matches what we delivered the time before.

    Specification Details: Clarity and Communication Matter

    Lab analysts detail each specification, but no test result alone captures process nuances. Our 11-Chloro-Dibenzo[1,4]Thiazepine batches typically fall above 99 percent purity, measured by HPLC. Water content, critical in downstream reactions, stays below 0.5 percent by Karl Fischer. Residual solvents often draw scrutiny from downstream QA teams, so we run regular GC profiles and remove liability-causing volatiles early in the cycle. We have found that keeping particle size within a certain range helps users avoid issues in weighted additions or fast dissolutions, so we include a sieve analysis review before final containerization.

    Packaging, from small laboratory poly bottles to bulk fiber drums, gets matched to shipment distances and user handling practices. Recyclable containers with tamper seals and inert liners address much of the common contamination feedback we hear. We never send out shipments until we sign off on a physical QC log, maintaining line-of-sight traceability from reactor to end-user delivery.

    Practical Usage: Beyond the Brochure

    We keep close relationships with process chemists, R&D directors, and fine chemical formulators. 11-Chloro-Dibenzo[1,4]Thiazepine’s role as a starting scaffold for psychiatric drug candidates underlies much of its demand. Its molecular architecture enables selective modification, especially halogenations and amination steps, that lead to a diverse array of active pharmaceutical ingredients (APIs). Field reports suggest its stability under typical lab conditions gives users flexibility absent from some analogue compounds.

    Direct users tell us that reproducible results matter more than chasing 0.01 percent purity gains. They value clear communication over simple specification sheets. Failures to meet their needs draw instant feedback, prompting us to adjust process steps, sometimes introducing new filtration protocols or custom-granulating the material for better suspension in pharma solvents. As a manufacturer, we value these partnerships since every customer success underpins our product’s future.

    In some applications, end-users blend 11-Chloro-Dibenzo[1,4]Thiazepine directly into more complex syntheses without pre-treatment, so we prioritize ensuring that no unexpected reactivity arises from trace byproducts. In other uses, scientists must purify or derivatize it further, and additional stability data or stress-testing information from our own lab can enhance their process design. These dialogues often lead us to tailor future lots, integrating client experience back into R&D for ongoing improvement.

    Competitive Differences: Not All Batches Are Alike

    Experienced buyers know that not all sources of this compound provide equal outcomes. Some notice slight differences in hue or physical behavior between lots from various manufacturers. Having run hundreds of kilograms through our own reactors, we see the difference trace contaminants or byproducts can make—not only in appearance, but in finished product reaction yields and ease of downstream purification. We run comprehensive lot comparisons when onboarding a new raw material supplier and share analytic profiles with peer producers as part of cross-validation. Such commitment to transparency lets our customers run their own side-by-side validation and avoid unpleasant surprises during project scale-up.

    We do not change processes lightly. Altering a catalyst or switch in a reagent source affects the impurity spectrum and requires new risk assessments. As a manufacturer, we know this ripple effect ripples outward: one unnoticed byproduct in a multi-step synthetic route can stall a project, increase purification costs, or force regulatory rework. This is why buying directly from a manufacturer with lengthy production records matters when choosing 11-Chloro-Dibenzo[1,4]Thiazepine as a critical raw material.

    Why Ongoing Improvement Means Safer, More Reliable Chemistry

    Long-term production offers advantages beyond price and lead time. With each campaign, we log micro-level process data, recording deviations and how they affected the outcome. We run new material through forced degradation or thermal cycling tests, informing users about realistic shelf-life under variable storage. Transparency in reporting batch histories pays dividends; customers incorporate our stability data directly into their own compliance and regulatory filings.

    A constant challenge in thiazepine chemistry involves managing sensitive intermediates and minimizing process risk. Even inert solvent swaps, if not fully understood, have led to reprocessing before final product isolation. These operational hurdles force us to develop practical, robust procedures rather than pursuing only theoretical yields. For clients operating under GMP or ISO frameworks, documentation and proven change controls make a real difference.

    Alternatives and Factors Shaping Choice

    Chemical purchasing agents sometimes consider substituting 11-Chloro-Dibenzo[1,4]Thiazepine with close analogues or alternate heterocyclic cores. From our perspective, these switches rarely bring intended cost savings or process improvement. Our own trials and feedback from end users confirm that small changes in molecular structure can affect reactivity, solubility, and final pharmacological profile. Several generics projects reported unanticipated regulatory roadblocks when changing raw materials mid-development. Our experience underlines that sticking with a consistent supplier eliminates much of this uncertainty and risk.

    Direct communication with downstream process owners lets us stay ahead of potential formulation or regulatory issues. As observed during changes in global solvent regulations, pro-active adjustment of production and testing means fewer delays for our partners. Long-run data proves value: monitoring particle size, purity, and impurity drift across batches and years helps R&D teams forecast and control their own risk burdens.

    Safety and Environmental Practice: Beyond Compliance

    Safety concerns shape every stage of our process, from charging hazardous reagents to managing emissions and wastewater. Our own safety team runs routine drills, ensuring quick response in case of process deviations, and monitors operator exposure. We exceed regulatory requirements for fume capture and solvent recovery, choosing practice-driven improvements over simple box-checking.

    Environmental considerations drive process improvements, too. Internal recycling loops capture spent solvents and unused intermediates before they reach waste streams. We have installed real-time effluent monitoring and commit to transparent reporting with local authorities. These actions reflect a recognition that our business depends on more than short-term output; long-term viability means stewarding both workplace and community health.

    Feedback from community neighbors, combined with our own internal audits, has led to operational upgrades—such as closed-loop heat recovery or better dust collection in the drying bay—that benefit all downstream users through tighter batch control. Our chemical engineering team routinely pilots safer alternatives to hazardous additives and reevaluates material flow, reducing both exposure hazards for staff and potential uncharacterized impurities in final product.

    Troubleshooting and Solutions from Direct Experience

    As with any specialty compound, we have faced technical failures: incomplete conversions, unexpected precipitation during crystallization, or off-color lots. Rather than hiding these lessons, we integrate findings into our control protocols, using real incident data to inform new hires and train on best practices. For users, this translates to faster support when troubleshooting their own process interruptions.

    Occasionally, logistics misalignments—weather disruptions, customs delays, or last-minute order changes—test our flexibility. Decades of direct shipping mean we keep backup supply and can re-route material without falling afoul of cold chain or shelf-life concerns. This reliability depends on continuous operational review and tight integration between our production and logistics teams.

    Insight from Direct User Relationships

    Strong relationships with clients across the pharmaceutical, reference standard, and fine chemical market inform changes in our process. When a major producer of tricyclic compounds shares a recurring bottleneck or impurity concern, we bring their feedback straight into our development meetings. Through this feedback loop, real-world needs override theoretical improvements, and the insights gained flow through to all our customers.

    We invite direct site audits, never shying away from hard questions about process reliability or impurity control. For leading research institutions, face-to-face discussions with our chemists lay the groundwork for trust. We remain accountable for every batch we pack and ship, welcoming both positive and corrective feedback.

    11-Chloro-Dibenzo[1,4]Thiazepine in Research and Development

    Research teams report that this compound forms the backbone of many innovation programs, with its aromatic, heterocyclic structure giving versatile starting points for chemical modification. Graduate students and principal investigators pursuing novel CNS-active molecules report success when product integrity stays high across synthesis runs. Small bioactive molecule pipelines benefit from the reliable performance and known impurity footprint our process delivers.

    In some cases, users leverage our stability and storage data during grant and patent writing, building stronger cases for long-term handling and downstream transformation. As trusted partners, we share in the challenge, often supporting with additional analytical or stress-testing resources as needed. Our ongoing R&D work, including scale-up studies, ensures that when researchers move from milligram to kilogram scale, product behavior remains consistent.

    The Importance of Trusted Raw Materials in Complex Synthesis

    In pharmaceutical and specialty chemical settings, raw material quality shapes both immediate yields and long-term regulatory compliance. By maintaining deep expertise in 11-Chloro-Dibenzo[1,4]Thiazepine manufacture, our team helps reduce costs that arise from unplanned purifications, rework, or failed audits. Our analytical lab keeps long-term data on batch variance to inform users of drift or trending changes. This continuity supports long-term innovation and compliance in partner businesses.

    Quality agreements, direct engagement on impurity and stability topics, and detailed process documentation define our approach. By standing firmly as the manufacturer—not a repacker or reseller—we streamline communication and close the gap between application-driven need and factory floor reality.

    Looking Ahead: Continuous Improvement and Collaboration

    Every year, our operations report dozens of minor changes and improvements based on collective experience. Whether through new process filtration, alternate drying technologies, or smarter packaging, our aim stays fixed: deliver a compound that exceeds expectation and stands up to scrutiny from the most demanding downstream user.

    We invest in operator training, lab upgrades, and safety systems with an eye on results—in process efficiency, batch uniformity, and both worker and community safety. The relationship between manufacturer and user does not stop at order fulfillment; it extends through technical troubleshooting and strategic R&D partnerships that raise the bar for both sides.

    As research and regulation grow more sophisticated, staying ahead means not only repeating yesterday’s best practices but knowing when and where to drive change. In the case of 11-Chloro-Dibenzo[1,4]Thiazepine, open dialogue and long production history give our partners the confidence to break new ground, whether developing new therapeutics, reference standards, or specialty applications. For us, every lot shipped connects our factory floor knowledge with global chemical innovation.