Produkte
Isotopenmarkierte Verbindungen

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.
(C2) Acetylcarnitine
Acetyl-L-carnitine is a short-chain acylcarnitine that is used as a control for MS/MS.
(C3) Propionylcarnitine
The acylcarnitine C3 (propionylcarnitine) level along with C3/C2 ratio is used as a diagnostic marker to evaluate metabolism disorders.
(C5) Isovalerylcarnitine
Isovalerylcarnitine chloride is an analogue of endogenous short-chain acylcarnitine and can be used as a control in MS-MS.
(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.
Succinylacetone
Control for chromatography with tandem mass spectrometry for assessment of concentrations in biological samples.

Isotopenmarkierte Carnitine zur Markierung von Biomolekülen

Isotopenmarkierte Carnitine in hoher chemischer Reinheit zur Markierung von Biomolekülen.

(C0) L-Carnitine-d9
L-isomeric form of carnitine, labeled with deuterium for studies using mass spectrometry.
(C2) Acetyl-L-Carnitin-(N-Methyl-d3)
Isotopisch markiertes azetyliertes d3-Carnitin (C2-Carnitin-d3) wird für MS-Bildgebung und quantitative Messungen verwendet.
(C3) Propionyl-L-Carnitin-(N-Methyl-d3)
C3-Carnitin-d3 ist ein mit einem stabilen Isotop markierter Carnitin-Derivat, das zur Verfolgung von Carnitin und metabolischen Studien mittels Massenspektrometrie (MS) verwendet wird.
(C4) Butyryl-L-Carnitin-(N-Methyl-d3)
C4-Carnitin-d3, deuterierte Butyrat-Ester von Carnitin, der als stabil isotopenmarkierter interner Standard für quantitative Anwendungen verwendet wird.
(C5) Isovaleryl-L-carnitine-(trimethyl-d9)
Deuterium-labeled isovaleryl-L-carnitine is the standard for MS/MS quantitation of carnitine derivatives.
(C5DC) Glutaryl-L-carnitine-d6
Glutaryl-L-carnitine-d6 chloride contains an isotopic label to be used as an internal standard for tandem mass spectrometry.
(C6) Hexanoyl-L-carnitine-d3
C6-Carnitine-d3 is one of the derivatives of the L-isomer of hexanoylcarnitine, labeled with stable isotopes.
(C8) Octanoyl-L-carnitine-d3
Deuterated octanoyl-L-carnitine is used as an internal standard for the quantification of octanoyl-L-carnitine by GC or LC-MS.

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.