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    Chemical structure of (E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one (Sitagliptin Impurity) , CAS 1253056-18-6, AChemBlock W170599

    (E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one (Sitagliptin Impurity)

    Catalog ID: W170599

    Product Name: (E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one (Sitagliptin Impurity)
    CAS: 1253056-18-6
    Purity: 98%
    FW: 390.29
    Formula: C₁₆H₁₂F₆N₄O
    Synonym(s): (E)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one
    Smiles: O=C(N1CC2=NN=C(C(F)(F)F)N2CC1)/C=C/CC3=CC(F)=C(F)C=C3F
    (E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one (Sitagliptin Impurity) 98%, CAS#: 1253056-18-6, Cat ID: W170599, REFERENCE COMPOUNDS, AChemBlock
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    Packaging:25MG List Price: $125 Quantity:
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    Packaging:100MG List Price: $330 Quantity:
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    Jul 22,2026

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    Purity 98%
    Appearances
    Storage Store at 0-8 °C
    Shipping normal
    MSDS Download MSDS
    IUPAC Name (E)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one
    HTS Code
    Smiles O=C(N1CC2=NN=C(C(F)(F)F)N2CC1)/C=C/CC3=CC(F)=C(F)C=C3F
    InChiKey QSSHJJFVCWMIKH-HNQUOIGGSA-N
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