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    4-Bromo-2-methylisoindolin-1-one, CAS 435273-55-5, is in stock from AChemBlock as a research-use halogenated building block.
    Chemical structure of 4-Bromo-2-methylisoindolin-1-one , CAS 435273-55-5, AChemBlock M15871

    4-Bromo-2-methylisoindolin-1-one

    Catalog ID: M15871

    Product Name: 4-Bromo-2-methylisoindolin-1-one
    CAS: 435273-55-5
    MDL: MFCD11878013
    Purity: 97%
    Appearance: yellow to brown powder
    FW: 226.07
    Formula: C₉H₈BrNO
    Smiles: CN1CC2=C(C=CC=C2Br)C1=O
    4-Bromo-2-methylisoindolin-1-one 97%, CAS#: 435273-55-5, Cat ID: M15871, BUILDING BLOCKS, AChemBlock
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    For research use only. We do not sell to patients
    Grouped product items
    Packaging List / Sale Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:250MG List Price: $50 / $43 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    Packaging:1G List Price: $95 / $81 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    Packaging:5G List Price: $330 / $281 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock San Francisco Estimated Ship Time:

    Jul 31,2026

    update on 07-29-2026

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    Safety Information
    Safety Information
    Pictograms GHS07
    Signal Word Warning
    Hazard Statements Causes skin irritation
    Causes serious eye irritation
    May cause respiratory irritation
    Precautionary Statements Avoid breathing dust/fume/gas/mist/vapours/spray.
    Product Information
    Product Information
    Product Information
    Purity 97%
    Appearances yellow to brown powder
    Storage Store at Room Tem.
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 4-bromo-2-methylisoindolin-1-one
    HTS Code 2933790400
    Smiles CN1CC2=C(C=CC=C2Br)C1=O
    InChiKey HNVZVGCFIFFWMV-UHFFFAOYSA-N
    Product Description 4-Bromo-2-methylisoindolin-1-one (CAS 435273-55-5, Catalog ID M15871) is in stock from AChemBlock. This product is listed for research use and can support medicinal chemistry, organic synthesis, and laboratory research applications. Please contact AChemBlock for quotation, pack size, purity, COA, SDS, and lead-time information.
    Product Application Used as a research-use halogenated intermediate or building block in organic synthesis and medicinal chemistry research.
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