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Tos-PEG6-COOtBu - CAS 850090-10-7

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Tos-PEG6-COOtBu linker bears a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases the solubility in aqueous media. The carboxyl group protected by tert-butyl can be deprotected under acidic conditions. Tosyl group is a very good leaving group for nucleophilic substitution reaction.

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Molecular Formula
C24H40O10S
Molecular Weight
520.63

Tos-PEG6-COOtBu

    • Specification
      • Purity
        ≥95%
        Solubility
        Soluble in DMSO
        Appearance
        Pale Yellow Oily Matter
        Storage
        Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        tert-butyl 3-[2-[2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
        Synonyms
        Tert-butyl 1-(tosyloxy)-3,6,9,12,15-pentaoxaoctadecan-18-oate; Tos-PEG6-t-Butyl ester; 3,6,9,12,15-Pentaoxaoctadecan-18-oic acid,1-[[(4-methylphenyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester; t-Butyl 1-(tosyloxy)-3,6,9,12,15-pentaoxaoctadecan-18-oate; tert-butyl 1-[(4-methylbenzenesulfonyl)oxy]-3,6,9,12,15-pentaoxaoctadecan-18-oate; Tos-PEG6-t-butyl ester; Tos-PEG6-Boc
    • Properties
      • Boiling Point
        591.4±50.0 °C at 760 mmHg
        Density
        1.1±0.1 g/cm3
        InChI Key
        VWGDQEZCDGHEJR-UHFFFAOYSA-N
        InChI
        InChI=1S/C24H40O10S/c1-21-5-7-22(8-6-21)35(26,27)33-20-19-32-18-17-31-16-15-30-14-13-29-12-11-28-10-9-23(25)34-24(2,3)4/h5-8H,9-20H2,1-4H3
        Canonical SMILES
        CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCOCCOCCOCCC(=O)OC(C)(C)C
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It is commonly abbreviated as: C1V1 = C2V2

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* Total Molecular Weight:
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Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
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