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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.
  • (C10) Decanoylcarnitine
    Decanoylcarnitine is used as an analytical reference standard using GC- or LC-MS methods.
  • (C12) Dodecanoylcarnitine
    Dodecanoylcarnitine chloride, also referred to as lauroyl-L-carnitine chloride, is used as a control for chromatographic mass spectrometry methods MS/MS.
  • (C16) Hexadecanoylcarnitine
    Palmitoyl-L-carnitine is used as an analytical standard in HPLC-MS and MS/MS studies.
  • (C18) Octadecanoylcarnitine
    Stearoyl-L-carnitine for use as an analytical reference standard for MS/MS.
  • (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.
  • (C4) Butyrylcarnitine
    An analytical reference standard for the separation and identification of underivatized butyryl-L-carnitine using high-performance liquid chromatography coupled to tandem mass spectrometry (HPLC-MS/MS).
  • (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.

同位素标记的氨基酸标准品

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

同位素标记的维生素标准品

Isotope-labeled vitamins for the quantitative analysis based on liquid chromatography - tandem mass spectrometry (LC-MS/MS).

同位素标记的激素标准品

Isotope-labeled hormones used in metabolic research.
  • 5α-二氢睾酮-d3 (5α-Dihydrotestosterone-d3)
    稳定同位素标记的 5α-二氢睾酮用作串联质谱 (MS/MS) 方法的内标
  • Androstenedione-d7
    Androstenedione-d7 is a deuterium-labeled androstenedione and is intended for use as an analytical reference standard in GC- or LC-MS.
  • Estradiol-d3
    Estradiol-d3 is the deuterium labeled estradiol, intended for use as an internal standard for the quantification of estradiol by GC- or LC-MS.
  • Melatonin-d3
    Melatonin-d3 is a deuterium-labeled primary pineal gland hormone, melatonin.
  • Progesterone-d9
    Progesterone-d9 is the deuterium labeled progesterone and intended for use as an internal standard for quantification of progesterone through GC- or LC-MS methods.
  • Testosterone-d3
    Testosterone-d3 is an analytical reference standard for the quantification of testosterone by GC- or LC-MS.
  • Сortisol-d4
    Cortisol-d4 (Hydrocortisone-d4) is deuterated cortisol and intended for use as an internal standard for the quantification of hydrocortisone/cortisol by GC- or LC-MS.

杂类标记的标准品

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