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    5,7-dichloro-8-fluoro-2-methylsulfanyl-1H-pyrido[4,3-d]pyrimidin-4-one, CAS 2763157-90-8, is in stock from AChemBlock as a research-use peptide coupling reagent.
    Chemical structure of 5,7-dichloro-8-fluoro-2-methylsulfanyl-1H-pyrido[4,3-d]pyrimidin-4-one , CAS 2763157-90-8, AChemBlock W172619

    5,7-dichloro-8-fluoro-2-methylsulfanyl-1H-pyrido[4,3-d]pyrimidin-4-one

    Catalog ID: W172619

    Product Name: 5,7-dichloro-8-fluoro-2-methylsulfanyl-1H-pyrido[4,3-d]pyrimidin-4-one
    CAS: 2763157-90-8
    Purity: 95%
    Appearance: brown solid
    FW: 280.1
    Formula: C₈H₄Cl₂FN₃OS
    Smiles: O=C1C(C(Cl)=NC(Cl)=C2F)=C2NC(SC)=N1
    5,7-dichloro-8-fluoro-2-methylsulfanyl-1H-pyrido[4,3-d]pyrimidin-4-one 95%, CAS#: 2763157-90-8, Cat ID: W172619, BUILDING BLOCKS, AChemBlock
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    For research use only. We do not sell to patients
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    Packaging:1G List Price: $50 / $43 Quantity:
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    Aug 03,2026

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    Packaging:25G List Price: $360 / $306 Quantity:
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    Packaging:100G List Price: $1,250 / $1,063 Quantity:
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    Aug 03,2026

    update on 07-31-2026

    You can click the buttons of HNMR, HPLC, or CoA to view the documents.

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    Product Information
    Product Information
    Product Information
    Purity 95%
    Appearances brown solid
    Storage Store at 0-8 °C
    Shipping Room Temp
    MSDS Download MSDS
    IUPAC Name 5,7-dichloro-8-fluoro-2-(methylthio)pyrido[4,3-d]pyrimidin-4(1H)-one
    HTS Code
    Smiles O=C1C(C(Cl)=NC(Cl)=C2F)=C2NC(SC)=N1
    InChiKey UVUILCJJGCRSNW-UHFFFAOYSA-N
    Product Description 5,7-dichloro-8-fluoro-2-methylsulfanyl-1H-pyrido[4,3-d]pyrimidin-4-one (CAS 2763157-90-8, Catalog ID W172619) 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 reagent for peptide synthesis, amide-bond formation, and medicinal chemistry workflows.
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