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Hydroxy-PEG5-t-butyl ester - CAS 850090-09-4

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Hydroxy-PEG5-t-butyl ester is a PEG linker containing a hydroxyl group and a t-butyl ester. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The t-butyl-protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media.

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Molecular Formula
C17H34O8
Molecular Weight
366.45

Hydroxy-PEG5-t-butyl ester

    • Specification
      • Purity
        ≥95%
        Appearance
        Pale Yellow or Colorless Oily Liquid
        Storage
        Store at 2-8°C
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        tert-butyl 3-[2-[2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]propanoate
        Synonyms
        HO-PEG5-CH2CH2COOtBu; Hydroxy-PEG5-(CH2)2-Boc; OH-PEG5-TBA; OH-PEG5-CH2CH2COOtBu; HO-PEG5-t-butyl ester; 1-Hydroxy-3,6,9,12,15-pentaoxaoctadecan-18-oic acid 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 1-hydroxy-3,6,9,12,15-pentaoxaoctadecan-18-oate; 3,6,9,12,15-Pentaoxaoctadecan-18-oic acid, 1-hydroxy-, 1,1-dimethylethyl ester; tert-butyl 1-hydroxy-3,6,9,12,15-pentaoxaoctadecan-18-oate
    • Properties
      • Boiling Point
        445.4±40.0 °C at 760 mmHg
        Density
        1.071±0.06 g/cm3 (Predicted)
        InChI Key
        SNYKXOAOLAFMRH-UHFFFAOYSA-N
        InChI
        InChI=1S/C17H34O8/c1-17(2,3)25-16(19)4-6-20-8-10-22-12-14-24-15-13-23-11-9-21-7-5-18/h18H,4-15H2,1-3H3
        Canonical SMILES
        CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCO
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