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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. 10211 m-dPEG 4-NHS ester

    10211 m-dPEG 4-NHS ester

    $100.00

    CAS: 622405-78-1

    Item Name: m-dPEG 4-NHS ester

    Item #: 10211 CAS #: 622405-78-1

    Mol. Wt.: 333.33;

    single compound dPEG Spacer is 14 atoms and 15.6 A

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  2. 10213 Fmoc-N-amido-dPEG 4-acid

    10213 Fmoc-N-amido-dPEG 4-acid

    $100.00

    CAS: 557756-85-1

    Item Name: Fmoc-N-amido-dPEG 4-acid

    Item #: 10213 CAS #: 557756-85-1

    Mol. Wt.: 487.54;

    single compound dPEG Spacer is 17 atoms and 18.1 A

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  3. 10214 MAL-dPEG 4-NHS ester

    10214 MAL-dPEG 4-NHS ester

    $200.00

    CAS: 756525-99-2

    Item Name: MAL-dPEG 4-NHS ester

    Item #: 10214 CAS #: 756525-99-2

    Mol. Wt.: 513.50;

    single compound dPEG Spacer is 22 atoms and 24.8 A

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  4. 10215 Bis-MAL-dPEG 3

    10215 Bis-MAL-dPEG 3

    $125.00

    CAS: 756525-89-0

    Item Name: Bis-MAL-dPEG 3

    Item #: 10215 CAS #: 756525-89-0

    Mol. Wt.: 522.55;

    single compound dPEG Spacer is 28 atoms and 30.0 A

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  5. 10217 MPS (NHS-3-maleimidopropionate)

    10217 MPS (NHS-3-maleimidopropionate)

    $200.00

    CAS: 55750-62-4

    Item Name: MPS (NHS-3-maleimidopropionate)

    Item #: 10217

    Mol. Wt.: 266.21; single compound Spacer is 6 atoms and 6.0 A

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  6. 10218 Biotin-dPEG 3-cyanocobalamin

    10218 Biotin-dPEG 3-cyanocobalamin

    $125.00

    CAS: 295329-79-2

    Item Name: Biotin-dPEG 3-cyanocobalamin

    Item #: 10218

    Mol. Wt.: 473.61;

    single compound dPEG Spacer is 15 atoms and 18.1 A

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  7. 10219 Biotin-dPEG 4-hydrazide

    10219 Biotin-dPEG 4-hydrazide

    $250.00

    CAS: 756525-97-0

    Item Name: Biotin-dPEG 4-hydrazide

    Item #: 10219 CAS #: 756525-97-0

    Mol. Wt.: 505.63;

    single compound dPEG Spacer is 18 atoms and 20.6 A

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  8. 10220 t-boc-N-amido-dPEG 4-acid

    10220 t-boc-N-amido-dPEG 4-acid

    $100.00

    CAS: 756525-91-4

    Item Name: t-boc-N-amido-dPEG 4-acid

    Item #: 10220 CAS #: 756525-91-4

    Mol. Wt.: 365.42;

    single compound dPEG Spacer is 17 atoms and 19.2 A

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  9. 10221 Amino-dPEG 4-t-butyl ester

    10221 Amino-dPEG 4-t-butyl ester

    $135.00

    CAS: 581065-95-4

    Item Name: Amino-dPEG 4-t-butyl ester

    Item #: 10221 CAS #: 581065-95-4

    Mol. Wt.: 321.41;

    single compound dPEG Spacer is 16 atoms and 18.0 A

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  10. 10223 Hydroxy-dPEG 4-t-butyl ester

    10223 Hydroxy-dPEG 4-t-butyl ester

    $100.00

    CAS: 518044-32-1

    Item Name: Hydroxy-dPEG 4-t-butyl ester

    Item #: 10223

    Mol. Wt.: 322.39;

    single compound dPEG Spacer is 16 atoms and 18.0 A

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