2. Isotope-Labeled Compounds
  3. Isotope-Labeled Metabolites

Isotope-Labeled Metabolites

Metabolites are intermediates or end products of metabolism that have various functions. The term metabolite is usually used for small molecules. MedChemExpress ( MCE ) offers an extensive range of Stable Isotope-Labeled Metabolites, including drug metabolites, endogenous metabolites, carnitine/acylcarnitines, cholines, neurotransmitters, lipids, organic acids and derivatives etc to assist metabolomics.

Isotope-Labeled Metabolites (581):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-B0389A
    D-Glucose-13C6 110187-42-3 99.92%
    D-Glucose-13C6 is a stable isotope-labeled counterpart of D-glucose (HY-B0389). D-Glucose-13C6 can be used as a metabolic tracer to trace glucose-related synthetic catabolism or as synthesis ingredient, minimal media reagent, and internal standard.
    D-Glucose-<sup>13</sup>C<sub>6</sub>
  • HY-N0390S1
    L-Glutamine-13C5 184161-19-1 99.93%
    L-Glutamine-13C5 is the 13C-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells[1][2].
    L-Glutamine-<sup>13</sup>C<sub>5</sub>
  • HY-N0390S2
    L-Glutamine-d5 14341-78-7 98.5%
    L-Glutamine-d5 is the deuterium labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells[1][2].
    L-Glutamine-d<sub>5</sub>
  • HY-B0504S
    Creatinine-d3 143827-20-7 99.90%
    Creatinine-d3 is a deuterium labeled Creatinine. Creatinine is a break-down product of creatine phosphate in muscle[1].
    Creatinine-d<sub>3</sub>
  • HY-N7092S
    D-Fructose-13C6 201595-65-5 99.95%
    D-Fructose-13C6 is the 13C labeled D-Fructose. D-Fructose (D(-)-Fructose) is a naturally occurring monosaccharide found in many plants.
    D-Fructose-<sup>13</sup>C<sub>6</sub>
  • HY-15550S
    4'-Hydroxy diclofenac-d4 254762-27-1 98.92%
    4'-Hydroxy diclofenac-d4 is the deuterium labeled 4'-Hydroxy diclofenac. 4'-Hydroxy diclofenac is an orally active metabolite of Diclofenac (HY-15036) by cytochrome P450 2C9 (CYP2C9). 4'-Hydroxy diclofenac has anti-inflammatory and analgesic properties[1][2].
    4'-Hydroxy diclofenac-d<sub>4</sub>
  • HY-B1204S
    Histamine-α,α,β,β-d4 dihydrochloride 344299-48-5 ≥98.0%
    Histamine-α,α,β,β-d4 (dihydrochloride) is the deuterium labeled Histamine. Histamine is an organic nitrogenous compound involved in local immune responses as well as regulating physiological function in the gut and acting as a neurotransmitter.
    Histamine-α,α,β,β-d<sub>4</sub> dihydrochloride
  • HY-W015913S
    Sodium 2-oxopropanoate-13C3 142014-11-7 99.7%
    Sodium 2-oxopropanoate-13C3 is the 13C-labeled Sodium 2-oxopropanoate. Sodium 2-oxopropanoate (Sodium pyruvate), a three-carbon metabolite of Glucose, is a compound produced in the glycolytic pathway. Sodium 2-oxopropanoate is a free radical scavenger that can scavenge ROS[1][2].
    Sodium 2-oxopropanoate-<sup>13</sup>C<sub>3</sub>
  • HY-B0282S
    Acetylcholine-d4 chloride 344298-94-8 99.07%
    Acetylcholine-d4 (chloride) is the deuterium labeled Acetylcholine chloride. Acetylcholine chloride (ACh chloride), a neurotransmitter, is a potent cholinergic agonist. Acetylcholine chloride is a modulator of the activity of dopaminergic (DAergic) neurons through the stimulation of nicotinic acetylcholine receptors (nAChRs)[1][2]. Acetylcholine chloride inhibits p53 mutant peptide aggregation in vitro[5].
    Acetylcholine-d<sub>4</sub> chloride
  • HY-N1428S1
    Citric acid-13C6 287389-42-8 ≥99.0%
    Citric acid-13C6 is the 13C-labeled Citric acid. Citric acid is a weak organic tricarboxylic acid found in citrus fruits. Citric acid is a natural preservative and food tartness enhancer.
    Citric acid-<sup>13</sup>C<sub>6</sub>
  • HY-B1342S4
    Retinol-d5 1185244-58-9 ≥98.0%
    Retinol-d5 is the deuterium labeled Retinol[1].
    Retinol-d<sub>5</sub>
  • HY-B1337S1
    Choline-d9 chloride 61037-86-3 ≥98.0%
    Choline-d9 (chloride) is the deuterium labeled Choline chloride. Choline chloride is an organic compound and a quaternary ammonium salt, an acyl group acceptor and choline acetyltransferase substrate, also is an important additive in feed especially for chickens where it accelerates growth.
    Choline-d<sub>9</sub> chloride
  • HY-N0390S
    L-Glutamine-15N 80143-57-3 99.6%
    L-Glutamine-15N is the 15N-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells[1][2].
    L-Glutamine-<sup>15</sup>N
  • HY-N1428S
    Citric acid-d4 147664-83-3 ≥98.0%
    Citric acid-d4 is the deuterium labeled Citric acid. Citric acid is a weak organic tricarboxylic acid found in citrus fruits. Citric acid is a natural preservative and food tartness enhancer.
    Citric acid-d<sub>4</sub>
  • HY-116084S
    Trimethylamine N-oxide-d9 1161070-49-0 ≥99.0%
    Trimethylamine N-oxide-d9 is the deuterium labeled Trimethylamine N-oxide. Trimethylamine N-oxide is a gut microbe-dependent metabolite of dietary choline and other trimethylamine-containing nutrients. Trimethylamine N-oxide induces inflammation by activating the ROS/NLRP3 inflammasome. Trimethylamine N-oxide also accelerates fibroblast-myofibroblast differentiation and induces cardiac fibrosis by activating the TGF-β/smad2 signaling pathway[1][2][3].
    Trimethylamine N-oxide-d<sub>9</sub>
  • HY-113147AS
    L-Palmitoylcarnitine-d3 hydrochloride 1334532-26-1 99.83%
    L-Palmitoylcarnitine-d3 (hydrochloride) is the deuterium labeled L-Palmitoylcarnitine hydrochloride. L-Palmitoylcarnitine hydrochloride, a long-chain acylcarnitine and a fatty acid metabolite, accumulates in the sarcolemma and deranges the membrane lipid environment during ischaemia. L-Palmitoylcarnitine hydrochloride inhibits KATP channel activity, without affecting the single channel conductance, through interaction with Kir6.2[1].
    L-Palmitoylcarnitine-d<sub>3</sub> hydrochloride
  • HY-104026S
    L-Kynurenine-d4 2672568-86-2 99.25%
    L-Kynurenine-d4 is the deuterium labeled L-Kynurenine. L-Kynurenine is a metabolite of the amino acid L-tryptophan. L-Kynurenine is an aryl hydrocarbon receptor agonist[1][2].
    L-Kynurenine-d<sub>4</sub>
  • HY-B0389S10
    D-Glucose-13C 101615-88-7 ≥99.0%
    D-Glucose-13C is the 13C labeled D-Glucose. D-Glucose (Glucose), a monosaccharide, is an important carbohydrate in biology. D-Glucose is a carbohydrate sweetener and critical components of the general metabolism, and serve as critical signaling molecules in relation to both cellular metabolic status and biotic and abiotic stress response[1].
    D-Glucose-<sup>13</sup>C
  • HY-B0504S2
    Creatinine-d5 99.90%
    Creatinine-d5 is the deuterium labeled Creatinine. Creatinine (NSC13123) is a break-down product of creatine phosphate in muscle, and is usually produced at a fairly constant rate by the body.
    Creatinine-d<sub>5</sub>
  • HY-B0762S1
    Acetyl-L-carnitine-d3-1 hydrochloride 362049-62-5 98.5%
    Acetyl-L-carnitine-d3-1 (hydrochloride) is the deuterium labeled Acetyl-L-carnitine hydrochloride. Acetyl-L-carnitine hydrochloride is a blood-brain permeable acetyl ester of the amino acid L-carnitine found in the body. Acetyl-L-carnitine hydrochloride is often used as a dietary supplement, and exibits anti-stress-related psychiatric disorders[1].
    Acetyl-L-carnitine-d<sub>3</sub>-1 hydrochloride