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    monosaccharide mass

     

    Average (isotope weighted) and monoisotopic masses (C-12 only) for common monosaccharides and additional groups are shown below.

    monosaccharide / group

    average mass (Da)

    monoisotopic mass (Da)

    Deoxyhexose

    146.1430

    146.0579

    HexA

    176.1259

    176.0321

    HexNAc

    203.1950

    203.0794

    Hexose

    162.1424

    162.0528

    NeuAc

    291.2579

    291.0954

    NeuGc

    307.2573

    307.0903

    Pentose

    132.1161

    132.0423

    Sulfate

    80.0642

    79.9568

    Phosphate

    79.9799

    79.9663

    Methyl

    14.0269

    14.0157

    Acetyl

    42.0373

    42.0106

    H2O (for reducing terminus)

    18.0153

    18.0106

     

     

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