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    Chemical structure of Bis-PEG21-NHS Ester , CAS 2221948-98-5, AChemBlock Y231810

    Bis-PEG21-NHS Ester

    Catalog ID: Y231810

    Product Name: Bis-PEG21-NHS Ester
    CAS: 2221948-98-5
    MDL: MFCD21363289
    Purity: 95%
    FW: 1237.36
    Formula: C₅₄H₉₆N₂O₂₉
    Smiles: O=C(CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(ON1C(CCC1=O)=O)=O)ON2C(CCC2=O)=O
    Bis-PEG21-NHS Ester 95%, CAS#: 2221948-98-5, Cat ID: Y231810, , AChemBlock
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    Packaging List Price Qty Total Total_Price($) Availability Estimated Ship Time
    Packaging:250MG List Price: $280 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock Global Estimated Ship Time:

    Aug 13,2026

    Packaging:1G List Price: $560 Quantity:
    		Total:-- Total_Price($):-- Availability: In Stock Global Estimated Ship Time:

    Aug 13,2026

    update on 07-30-2026

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    Purity 95%
    Appearances
    Storage Store at 0-8 °C
    Shipping normal
    MSDS Download MSDS
    IUPAC Name bis(2,5-dioxopyrrolidin-1-yl) 4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64-henicosaoxaheptahexacontanedioate
    HTS Code
    Smiles O=C(CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(ON1C(CCC1=O)=O)=O)ON2C(CCC2=O)=O
    InChiKey UFBYDMNXKUEOPZ-UHFFFAOYSA-N
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