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    Chemical structure of 7-nitro-3,4-dihydro-2H-1,4-benzoxazepin-5-one , CAS 21228-43-3, AChemBlock X215847

    7-nitro-3,4-dihydro-2H-1,4-benzoxazepin-5-one

    Catalog ID: X215847

    Product Name: 7-nitro-3,4-dihydro-2H-1,4-benzoxazepin-5-one
    CAS: 21228-43-3
    Purity: 95%
    FW: 208.18
    Formula: C₉H₈N₂O₄
    Synonym(s): 7-nitro-3,4-dihydrobenzo[f][1,4]oxazepin-5(2H)-one
    Smiles: [O-][N+](C1=CC=C2C(C(NCCO2)=O)=C1)=O
    7-nitro-3,4-dihydro-2H-1,4-benzoxazepin-5-one 95%, CAS#: 21228-43-3, Cat ID: X215847, , AChemBlock
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    Packaging:250MG List Price: $375 Quantity:
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    Packaging:5G List Price: $2,570 Quantity:
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    Jul 14,2026

    update on 06-15-2026

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    Purity 95%
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    Shipping normal
    MSDS Download MSDS
    IUPAC Name 7-nitro-3,4-dihydrobenzo[f][1,4]oxazepin-5(2H)-one
    HTS Code
    Smiles [O-][N+](C1=CC=C2C(C(NCCO2)=O)=C1)=O
    InChiKey QKXGFMXLKHZJOV-UHFFFAOYSA-N
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