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dPEG™ Reagents

dPEG® is a registered QuantaBioDesign trademark. The term "dPEG®" is an acronym for "discrete poly-(ethylene glycol)" or "discrete PEG". Like traditional PEGs, dPEG® products contain a hydrophilic, water-soluble backbone consisting of repeating ethylene oxide units; however unlike traditional PEGs each of dPEG® products represents a single compound with a unique, specific, single molecular weight (MW). The dPEG® products are synthesized from pure building blocks (e.g. triethylene glycol or tetraethylene glycol) in a series of step-wise reactions to provide specific MWs, architectures, functional groups, and organic moieties suited for a wide variety of applications. These products have now been used for the modification of therapeutic macromolecules, as linkers in antibody-drug conjugates (ADCs), for bioconjugation of biologics, for surface modification, and in diagnostics, to name a few.

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  1. 10010 Biotin-dPEG 4-PFP ester

    10010 Biotin-dPEG 4-PFP ester

    $80.00

    CAS: 1334172-58-5

    Item Name: Biotin-dPEG 4-PFP ester

    Item #: 10010

    Mol. Wt.: 657.65;

    single compound dPEG Spacer is 16 atoms and 19.2 A

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  2. 10325 Bis-dPEG 3-biotin

    10325 Bis-dPEG 3-biotin

    $100.00

    CAS: 1093647-41-6

    Item Name: Bis-dPEG 3-biotin

    Item #: 10325

    Mol. Wt.: 672.90;

    single compound dPEG Spacer is 15 atoms and 18.1 A

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  3. 10355 Biotinoylsarcosine

    10355 Biotinoylsarcosine

    $250.00

    CAS: 23783-42-8

    Item Name: Biotinoylsarcosine

    Item #: 10355

    Mol. Wt.: 315.39

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  4. 10356 Biotinoyl-2-Aminobutyric acid

    10356 Biotinoyl-2-Aminobutyric acid

    $250.00

    CAS: 154024-76-7

    Item Name: Biotinoyl-2-Aminobutyric acid

    Item #: 10356

    Mol. Wt.: 329.42

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  5. 10773 dPEG 24-biotin acid

    10773 dPEG 24-biotin acid

    $225.00

    CAS: 721431-18-1

    Item Name: dPEG 24-biotin acid

    Item #: 10773

    Mol. Wt.: 1372.65;

    single compound dPEG Spacer is 76 atoms and 95.7 A

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  6. 10774 NHS-dPEG 24-biotin

    10774 NHS-dPEG 24-biotin

    $250.00

    CAS: 365441-71-0

    Item Name: NHS-dPEG 24-biotin

    Item #: 10774

    Mol. Wt.: 1469.72;

    single compound dPEG Spacer is 81 atoms and 97.7 A

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  7. 10776 dPEG 48-biotin acid

    10776 dPEG 48-biotin acid

    $300.00

    CAS: 721431-18-1

    Item Name: dPEG 48-biotin acid

    Item #: 10776

    Mol. Wt.: 2500.99;

    single compound dPEG Spacer is 157 atoms and 187.8 A

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  8. 10784 Biotin-dPEG 11-azide

    10784 Biotin-dPEG 11-azide

    $250.00

    CAS: 956494-20-5

    Item Name: Biotin-dPEG 11-azide

    Item #: 10784

    Mol. Wt.: 796.97;

    single compound dPEG Spacer is 40 atoms and 50.4 A

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  9. 10785 Biotin-dPEG 23-MAL

    10785 Biotin-dPEG 23-MAL

    $250.00

    CAS: 1334172-60-9

    Item Name: Biotin-dPEG 23-MAL

    Item #: 10785

    Mol. Wt.: 1450.72;

    single compound dPEG Spacer is 77 atoms and 94.1 A

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  10. 10786 Biotin-dPEG 23-NH2

    10786 Biotin-dPEG 23-NH2

    $300.00

    CAS: 604786-74-5

    Item Name: Biotin-dPEG 23-NH2

    Item #: 10786

    Mol. Wt.: 1299.60;

    single compound dPEG Spacer is 71 atoms and 87.0 A

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