Isotopenmarkierte Verbindungen

Isotopenmarkierte Verbindungen / List of items in this categories
Compounds containing stable isotopes can be used as quantitative standards in quantitative LCMS/MS analysis, especially in complex matrices of biological origin.

MS-MS controls

Tandem mass spectrometry controls.
  • (C0) Сarnitine
    Carnitine is an analogue of a natural amino acid, of high chemical purity, and can be used as an analyte for constructing calibration graphs.
  • (C5) Isovalerylcarnitine
    Isovalerylcarnitine chloride is an analogue of endogenous short-chain acylcarnitine and can be used as a control.
  • (C5DC) Glutarylcarnitine
    (C5DC) Glutarylcarnitine chloride is an endogenous metabolite, an ester of carnitine and glutaric acid.
  • (C6) Hexanoylcarnitine
    Hexanoylcarnitine is an organic endogenous compound made from fatty acid and carnitine, a representative of medium-chain acylcarnitines.
  • (C8) Octanoylcarnitine
    Octanoylcarnitine, a representative of medium-chain acylcarnitines, an ester of a saturated fatty acid (octanoic acid) and the amino acid carnitine.
  • L-Arginine
    The L-enantiomer of the basic alpha amino acid arginine, of high chemical purity, can be used as a control for mass spectroscopy.
  • L-Citrulline
    L-Citrulline is a non-proteinogenic alpha amino acid that can be used as a control in gas chromatography-mass spectrometry or in the standard addition method.

Isotopenmarkierte Carnitine zur Markierung von Biomolekülen

Isotopenmarkierte Carnitine in hoher chemischer Reinheit zur Markierung von Biomolekülen.

Isotopically labelled amino acids standards

Isotope-labeled amino acids in high chemical purity for mass spectrometry.
  • D,L-Arginine-d3
    D,L-Arginine-d3 is a labeled with stable isotop arginine, used in studies by mass spectrometry (MS).
  • D,L-Glutamic acid-d3
    D,L-Glutamic-2,4,4-d3 acid is a deuterium-labeled amino acid used as a standard for quantification of glutamic acid and glutamine by chromatographic methods with tandem mass spectrometry.
  • L-Citrulline-d2
    L-Citrulline-d2, deuterated citrulline used as stable isotope labeled internal standard for quantitative applications.
  • L-Leucine-d3
    L-Leucine-5,5,5-d3 is the deuterium labeled amino acid L-Leucine.
  • L-Methionine (S-methyl-d3)
    L-Methionine-d3 is the deuterium labeled amino acid L-methionine.
  • L-Ornithine-d2
    Deuterated L-Ornithine used as stable isotope labeled internal standard for quantitative applications.
  • L-Phenylalanine (ring-d5)
    L-Phenylalanine-d5 is a stable isotope of amino acid phenylalanine.
  • L-Tyrosine (ring-d4)
    L-Tyrosine-d4, deuterated amino acid tyrosine with a phenyl ring.

Isotopically labelled vitamins standards

Isotope-labeled vitamins for the quantitative analysis based on liquid chromatography - tandem mass spectrometry (LC-MS/MS).
  • Retinol-d5
    Retinol-d5 is a biologically active form of fat-soluble vitamin A, with a stable deuterium label for quantitative studies by MS methods.
  • alpha-Tocopherol-d6
    alpha-Tocopherol-d6 is a deuterated form of vitamin E for mass spectrometry.

Isotopically labelled hormones standards

Isotope-labeled hormones used in metabolic research.
  • Melatonin-d3
    Melatonin-d3 is a deuterium-labeled primary pineal gland hormone, melatonin.
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