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    Chemical structure of 6-Acetyl-8-cyclopentyl-5-methyl-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one (Palbociclib Impurity) , CAS 571189-51-0, AChemBlock W164331

    6-Acetyl-8-cyclopentyl-5-methyl-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one (Palbociclib Impurity)

    Catalog ID: W164331

    Product Name: 6-Acetyl-8-cyclopentyl-5-methyl-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one (Palbociclib Impurity)
    CAS: 571189-51-0
    Purity: 97%
    FW: 461.57
    Formula: C₂₅H₃₁N₇O₂
    Synonym(s): 6-acetyl-8-cyclopentyl-5-methyl-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one
    Smiles: O=C1C(C(C)=O)=C(C)C2=CN=C(NC3=NC=C(N4CCN(C)CC4)C=C3)N=C2N1C5CCCC5
    6-Acetyl-8-cyclopentyl-5-methyl-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one (Palbociclib Impurity) 97%, CAS#: 571189-51-0, Cat ID: W164331, REFERENCE COMPOUNDS, AChemBlock
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    Jun 29,2026

    update on 06-15-2026

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    Purity 97%
    Appearances
    Storage Store at 0-8 °C
    Shipping normal
    MSDS Download MSDS
    IUPAC Name 6-acetyl-8-cyclopentyl-5-methyl-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one
    HTS Code
    Smiles O=C1C(C(C)=O)=C(C)C2=CN=C(NC3=NC=C(N4CCN(C)CC4)C=C3)N=C2N1C5CCCC5
    InChiKey PBSZUBKCQUPZFE-UHFFFAOYSA-N
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