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同位素标记化合物

同位素标记化合物

同位素标记化合物 / 产品分类和该类别中的产品

Compounds containing stable isotopes can be used as quantitative standards in quantitative LCMS/MS analysis, especially in complex matrices of biological origin.

MS-MS 对照

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) 异戊酰肉碱 [(C5) Isovalerylcarnitine]
氯化异戊酰肉碱是内源性短链酰基肉碱的类似物，可用作对照。
(C5DC) 戊二酰肉碱 [(C5DC) Glutarylcarnitine]
(C5DC) 氯化戊二酰肉碱是一种内源性代谢物，是肉碱和戊二酸的酯。
(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-瓜氨酸 (L-Citrulline)
L-瓜氨酸是一种非蛋白原性 α 氨基酸，可用作气相色谱-质谱法或标准添加法中的对照。
L-精氨酸 (L-Arginine)
碱性α氨基酸精氨酸的L-对映体具有高化学纯度，可用作质谱分析的对照。
Succinylacetone
Control for chromatography with tandem mass spectrometry for assessment of concentrations in biological samples.

同位素标记肉碱

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.
(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.
丁酰-L-肉碱-(N-甲基-d3) [Butyryl-L-carnitine-(N-methyl-d3)]
C4-肉碱-d3，肉碱氘化丁酸酯，用于定量测试中的同位素标记的内标。 \
丙酰-L-肉碱-(N-甲基-d3)
C3-Carnitine-d3 是一种标记了稳定同位素的肉碱衍生物，用于肉碱的质谱 (MS) 跟踪和代谢研究。
乙酰-L-肉碱-(N-甲基-d3) [Acetyl-L-carnitine-(N-methyl-d3)]
同位素标记的乙酰化 d3-肉碱 (C2-肉碱-d3) 用于 MS 成像和定量测量。

Isotopically labelled amino acids standards

Isotope-labeled amino acids in high chemical purity for mass spectrometry.

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.
D,L-精氨酸-d3 (D,L-Arginine-d3)
D,L-精氨酸-d3 是一种用稳定同位素标记的精氨酸，用于质谱 (MS) 研究。
L-亮氨酸-d3 (L-Leucine-d3)
L-Leucine-5,5,5-d3 是氘标记的L-亮氨酸。
L-瓜氨酸-(3,3-d2) [L-Citrulline-(3,3-d2)]
瓜氨酸-d2，氘代瓜氨酸，作为稳定同位素标记内标用于定量。
L-苯丙氨酸（环-d5） [L-Phenylalanine (ring-d5)]
L-苯丙氨酸-d5 是含稳定同位素的氨基酸苯丙氨酸。
L-蛋氨酸（硫甲基-d3） [L-Methionine (S-methyl-d3)]
L-蛋氨酸-d3 是氘标记的氨基酸 L-蛋氨酸。
L-酪氨酸（环-d4）[L-Tyrosine (ring-d4)]
L-酪氨酸-d4，带有苯环的氘代氨基酸酪氨酸。
L-鸟氨酸-d2 (L-Ornithine-d2)
氘代 L-鸟氨酸用作稳定同位素标记的内标，用于定量应用。