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    Chemical structure of Withanolide B , CAS 56973-41-2, AChemBlock X203845

    Withanolide B

    Catalog ID: X203845

    Product Name: Withanolide B
    CAS: 56973-41-2
    MDL: MFCD19053156
    Purity: 98%
    Appearance: white powder
    FW: 454.61
    Formula: C₂₈H₃₈O₅
    Synonym(s): (4aR,6aR,7R,9cS,10aS,10bR)-7-((S)-1-((R)-4,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl)-10b-hydroxy-4a,6a-dimethyl-1,4a,4b,5,6,6a,7,8,9,9a,9b,9c,10a,10b-tetradecahydro-4H-cyclopenta[1,2]phenanthro[9,10-b]oxiren-4-one
    Smiles: O=C1[C@@]2(C)[C@]([C@@H](O3)[C@@H]3C4C2CC[C@@]5(C)C4CC[C@@]5([C@@H]([C@]6([H])OC(C(C)=C(C)C6)=O)C)[H])(O)CC=C1
    Withanolide B 98%, CAS#: 56973-41-2, Cat ID: X203845, REFERENCE COMPOUNDS, AChemBlock
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    Grouped product items
    Packaging List Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:5MG List Price: $725 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock Global Estimated Ship Time:

    Jun 26,2026

    Packaging:25MG List Price: $2,175 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock Global Estimated Ship Time:

    Jun 26,2026

    update on 06-14-2026

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    Purity 98%
    Appearances white powder
    Storage Store at -20 °C
    Shipping Room Temp.
    MSDS Download MSDS
    IUPAC Name (4aR,6aR,7R,9cS,10aS,10bR)-7-((S)-1-((R)-4,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl)-10b-hydroxy-4a,6a-dimethyl-1,4a,4b,5,6,6a,7,8,9,9a,9b,9c,10a,10b-tetradecahydro-4H-cyclopenta[1,2]phenanthro[9,10-b]oxiren-4-one
    HTS Code
    Smiles O=C1[C@@]2(C)[C@]([C@@H](O3)[C@@H]3C4C2CC[C@@]5(C)C4CC[C@@]5([C@@H]([C@]6([H])OC(C(C)=C(C)C6)=O)C)[H])(O)CC=C1
    InChiKey ZTEVDTFJUUJBLP-LIEHXENTSA-N
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