產品
同位素標記化合物

同位素標記化合物

同位素標記化合物 / 產品分組和此類別中的項目

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

MS-MS 對照

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) 異戊醯肉堿 [(C5) Isovalerylcarnitine]
氯化異戊醯肉堿是內源性短鏈醯基肉堿的類似物，可用作對照。
(C5DC) 戊二醯肉堿 [(C5DC) Glutarylcarnitine]
(C5DC) 氯化戊二醯肉堿是一種內源性代謝物，是肉堿和戊二酸的酯。
(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-瓜氨酸是一種非蛋白原性 α 氨基酸，可用作氣相色譜-質譜法或標準添加法中的對照。
L-精氨酸 (L-Arginine)
鹼性α氨基酸精氨酸的L-對映體具有高化學純度，可用作質譜分析的對照。
Succinylacetone
Control for chromatography with tandem mass spectrometry for assessment of concentrations in biological samples.

同位素標記肉鹼

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.
丁醯-L-肉堿-(N-甲基-d3) [Butyryl-L-carnitine-(N-methyl-d3)]
C4-肉堿-d3，肉堿氘化丁酸酯，用於定量測試中的同位素標記的內標。
丙醯-L-肉堿-(N-甲基-d3)
C3-Carnitine-d3 是一種標記了穩定同位素的肉堿衍生物，用於肉堿的質譜 (MS) 跟蹤和代謝研究。
乙醯-L-肉堿-(N-甲基-d3) [Acetyl-L-carnitine-(N-methyl-d3)]
同位素標記的乙醯化 d3-肉堿 (C2-肉堿-d3) 用於 MS 成像和定量測量。

同位素標記的氨基酸標準品

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 是一種用穩定同位素標記的精氨酸，用於質譜 (MS) 研究。
L-亮氨酸-d3 (L-Leucine-d3)
L-Leucine-5,5,5-d3 是氘標記的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，作為穩定同位素標記內標用於定量。
L-苯丙氨酸（環-d5） [L-Phenylalanine (ring-d5)]
L-苯丙氨酸-d5 是含穩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 是氘標記的氨基酸 L-蛋氨酸。
L-酪氨酸（環-d4） [L-Tyrosine (ring-d4)]
L-酪氨酸-d4，帶有苯環的氘代氨基酸酪氨酸。
L-鳥氨酸-d2 (L-Ornithine-d2)
氘代 L-鳥氨酸用作穩定同位素標記的內標，用於定量應用。