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Isotopically labeled standards and controls for MS/MS

Isotopically labeled standards and controls for MS/MS

Isotopically labeled standards and controls for MS/MS / product groups & items in this category

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.

Isotopically labelled carnitines standards

Isotope-labeled carnitines and acylcarnitines in high chemical purity for labeling biomolecules.

(C0) L-Carnitine-d9
L-isomeric form of carnitine, labeled with deuterium for studies using mass spectrometry.
(C2) Acetyl-L-carnitine-(N-methyl-d3)
Isotopically labeled acetylated d3-carnitine, C2 Carnitine-d3, is used for MS imaging and quantitative measurements.
(C3) Propionyl-L-carnitine-(N-methyl-d3)
C3 Carnitine-d3 is a labeled with stable isotop of carnitine derivative is used for tracking of carnitine and metabolic studies by mass spectrometry (MS).
(C4) Butyryl-L-carnitine-(N-methyl-d3)
C4 Carnitine-d3, deuterated butyrate ester of carnitine used as stable isotope labeled internal standards for quantitative applications.
(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.