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Monastrol

    • Product Name Monastrol
    • Alias Enoxolone
    • Einecs 249-882-7
    • 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

    567275

    Name Monastrol
    Chemical Formula C16H14N2O2S
    Molecular Weight 298.36 g/mol
    Cas Number 117369-25-2
    Appearance White to off-white solid
    Mechanism Of Action Inhibits mitotic kinesin Eg5
    Use Research tool for studying cell division
    Solubility Soluble in DMSO and ethanol
    Stability Stable under recommended storage conditions
    Storage Temperature Store at -20°C
    Synonyms DL-Monastrol, N-[2-Hydroxyethyl]-4-methylbenzenesulfonamide
    Origin Synthetic small molecule
    Assay Typically ≥98% (HPLC)
    Iupac Name 3-Hydroxy-1-[(4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydroquinoline

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

    Packing & Storage
    Packing Monastrol, 25 mg, supplied in a clear, sealed glass vial with a white screw cap, labeled with compound details and safety information.
    Shipping Monastrol is shipped in tightly sealed containers to prevent moisture and light exposure. It is handled as a laboratory chemical, typically sent at ambient temperature, but may require cool packs in hot climates. Packaging conforms to safety regulations for non-hazardous chemicals. Shipping includes appropriate labeling and documentation for research use only.
    Storage Monastrol should be stored in a tightly sealed container, protected from light and moisture. Keep it at a cool temperature, ideally between 2-8°C (refrigerated), and away from incompatible substances such as strong acids or bases. Ensure proper labeling and restrict access to authorized personnel only. Follow all relevant safety guidelines and regulations for chemical storage.
    Application of Monastrol

    Applications of Monastrol in Industrial Manufacturing

    Monastrol, a small-molecule kinesin-5 inhibitor, serves specialized functions in pharmaceutical research and advanced chemical synthesis production lines. As a chemical manufacturer, we supply Monastrol for applications requiring precise control and high-purity standards. The following segments detail its industrial use in pharmaceutical active ingredient synthesis, oncology research, molecular screening platforms, and mitotic pathway analysis, structured to meet sector-specific standards and formulation requirements.

    1. Active Pharmaceutical Ingredient (API) Intermediate for Oncology Drug Development

    Drug developers use Monastrol as a reference compound in synthesizing and screening new anti-mitotic agents targeting kinesin-5 pathways. In this role, our clients incorporate Monastrol in cell-cycle modulation studies within controlled pilot and production batches to optimize lead compound performance and validate molecular mechanisms. The application requires cGMP-grade sourcing and validated documentation to support regulatory submissions and preclinical validation.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • 21 CFR Part 210/211 US FDA cGMP Guidelines
    • European Pharmacopoeia (Ph. Eur.) for Reference Standards
    • Certificate of Analysis with validated impurity profile

    Typical usage ratio

    • 0.1%–2% relative to target compound batch, adjusted based on cell assay throughput and required endpoint concentrations (5–100 μM in vitro)

    Downstream process integration

    • Added during lead-compound screening and API candidate assessment in high-content in vitro cell culture workflows
    • Preparation of DMSO or ethanol-based stock solutions for precise assay dilution
    • Incorporation into robotic high-throughput screening platforms for cytotoxicity and target pathway validation

    Final product types

    • Reference anti-cancer API candidates
    • Validated screening controls for preclinical oncology therapeutics
    • Clinical trial batches of mitosis-targeting agents
    • Compound libraries for pharmacological research institutions

    2. Specialist Reagent in Cell Biology and Cytogenetics Manufacturing

    Manufacturers of cytogenetic assay kits and cellular imaging probes integrate Monastrol as a mitotic spindle inhibitor to synchronize or arrest cell division at metaphase. This allows the enrichment of mitotic cells for chromosomal analysis in diagnostic and research settings. Its usage requires compliance with research-use-only (RUO) labeling and validated reproducibility to support downstream cytogenetic workflow traceability.

    Industry compliance standards

    • ISO 13485 quality management for medical device reagents (as RUO component)
    • European Union In Vitro Diagnostic Regulation (EU IVDR) for non-clinical reagents
    • REACH Regulation for substance handling and labeling
    • MSDS documentation in accordance with GHS

    Typical usage ratio

    • 1–10 μM in cell culture medium, diluted from concentrated 10 mM DMSO stock
    • Adjustment based on desired mitotic arrest index and specific cell line

    Downstream process integration

    • Pre-mixing with cell suspension prior to metaphase spread preparation
    • Integrated into chromosomal imaging kit reagents for synchronized culture assays
    • Process standardization for batch consistency in commercial assay kit filling

    Final product types

    • Cytogenetics assay kits for research use
    • Fluorescence microscopy preparation kits
    • Pre-packed imaging probe reagent bottles
    • Mitotic arrest agents for laboratory workflow automation

    3. High-Throughput Screening Library Synthesis

    Biotechnology companies and CROs incorporate Monastrol into compound libraries to facilitate discovery of cell cycle modulating molecules using automated high-throughput screening (HTS) systems. The raw material requires consistency at batch scale and validated solubility to prevent screening interference. QC protocols focus on spectral analysis and purity release, with delivery often in plate-ready dissolved formats for direct robotic pipetting.

    Industry compliance standards

    • ISO 9001:2015 for general quality management systems
    • GLP (Good Laboratory Practice) guidelines for non-clinical laboratory studies
    • OECD Principles of Good Laboratory Practice
    • In-house solubility and purity release specifications

    Typical usage ratio

    • Final well concentrations 1–50 μM
    • Delivered in 10 mM DMSO pre-diluted format to reduce precipitation risk
    • Optimization based on screening panel and detection method

    Downstream process integration

    • Dispensed into 96- or 384-well plates for integration into automated HTS workflows
    • Stock solution aliquoting managed in QC-controlled environments to minimize cross-contamination
    • Standardized handling protocols for cycle time and storage stability

    Final product types

    • Ready-to-screen chemical libraries
    • High-content screening panels for oncology and cell cycle research
    • Automated screening consumables
    • Bulk HTS reagent lots for contract research facilities

    4. Tool Compound Manufacturing for Cell Division Mechanism Research

    Producers of biochemical reagents for advanced academic and industrial research integrate Monastrol as a benchmark tool compound for dissecting microtubule dynamics and mitotic spindle function. This application demands documentary traceability, documented chemical identity, and batch-to-batch reproducibility. Responsible sourcing and supply chain transparency support publication and patent submission processes.

    Industry compliance standards

    • ISO 9001:2015 certified QMS for analytical reference material production
    • Material Safety Data Sheet (MSDS) in compliance with local GHS
    • Product labeling as “Research Use Only” (RUO) for non-clinical applications
    • Publication-level Certificate of Analysis with NMR and HPLC data

    Typical usage ratio

    • 1–20 μM final concentration in cellular or in vitro assay buffer
    • Diluted from 10 mM DMSO stock, volume calculated by assay type and cell density

    Downstream process integration

    • Introduced during experimental manipulation of spindle assembly and checkpoint response studies
    • Automated or manual addition into live-cell imaging chamber workflows
    • Validated entry point in time-lapse microscopy and pharmacological inhibition protocols

    Final product types

    • Biochemical tool kits for molecular cell biology departments
    • Pre-packaged analytical reagent bottles for shared research facilities
    • Batch-certified mitotic inhibitor sets for publication-grade studies
    • Training materials for advanced life science methodology courses
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