1. Signaling Pathways
  2. Metabolic Enzyme/Protease
  3. Endogenous Metabolite

Endogenous Metabolite

Endogenous metabolites refer to the collective set of small-molecule chemical substances present within organelles, cells, organs, biological fluids, or entire organisms; their molecular weights are typically less than 1500 Da. These endogenous metabolites—including lipids, amino acids, short peptides, nucleic acids, carbohydrates, alcohols, and organic acids—not only participate in signal transduction governing genomic function but also receive upstream signals from the environment, thereby bridging the interrelationships among genotype, environment, and phenotype. Based on their biological functions, microbial endogenous metabolites can be broadly classified into two categories: primary metabolites and secondary metabolites. Primary metabolites are the core molecules essential for supporting microbial growth and proliferation; they serve to provide energy to the microbes or act as precursors and cofactors for the synthesis of biological macromolecules. In contrast, microbial secondary metabolites are a class of low-molecular-weight products that are not strictly essential for microbial growth. Nevertheless, microbial secondary metabolites include numerous substances—such as antibiotics, anti-tumor agents, and cholesterol-lowering agents—that are of critical importance to human health[1][2][3]. Furthermore, the metabolome of a biological organism is influenced by a variety of endogenous factors, including age, sex, body composition, genetic background, and underlying pathological states. The small-molecule metabolites within an organism are diverse and highly distinct; their levels are typically subject to the synergistic regulation of a vast array of enzymes and transport proteins, undergoing processes of synthesis, transformation, degradation, and compartmentalized distribution. Metabolomics research based on endogenous metabolites has been widely applied in the fields of metabolic disorders, neurodegenerative diseases, cancer, cardiovascular diseases, and infectious diseases, where these metabolites hold potential utility as biomarkers or therapeutic targets[1][2][3].

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-W014423S6
    L-Histidine-15N hydrochloride hydrate
    99.94%
    L-Histidine-15N hydrochloride hydrate is the 15N-labeled L-Histidine hydrochloride hydrate (HY-W014423). L-Histidine hydrochloride hydrate is an endogenous metabolite. L-Histidine hydrochloride hydrate scavenges hydroxyl radicals and singlet oxygen, regulate the absorption of zinc, copper and iron, exhibits anti-inflammatory and antioxidant activities. L-Histidine hydrochloride hydrate is blood brain barrier penetrable.
    L-Histidine-<sup>15</sup>N hydrochloride hydrate
  • HY-N2512
    1-Monomyristin
    98.0%
    1-Monomyristin acts as an insecticide, enzyme inhibitor, antibacterial and antifungal agent, with an IC50 of 18 μM against rat FAAH and an IC50 of 32 μM against rat MAGL. 1-Monomyristin inhibits 2-oleoylglycerol hydrolysis via MAGL. 1-Monomyristin suppresses the growth of Staphylococcus aureus, Aggregatibacter actinomycetemcomitans and Candida albicans. 1-Monomyristin is lethal to brine shrimp. 1-Monomyristin exhibits marginal cytotoxicity against prostate cancer cells. 1-Monomyristin is applicable to research related to bacterial infections, fungal infections, renal cancer, prostate adenocarcinoma and pancreatic cancer.
    1-Monomyristin
  • HY-138795
    Curcumin-β-D-glucuronide
    98.01%
    Curcumin-β-D-glucuronide is a major metabolite after oral intake of Curcumin in hepatic tissue and portal blood. Curcumin-β-D-glucuronide can be used for the research of colon cancer.
    Curcumin-β-D-glucuronide
  • HY-W090942
    Z-Gly-Gly-Phe-OH
    99.46%
    Z-Gly-Gly-Phe-OH is a substrate for pepsin and thermolysin. Z-Gly-Gly-Phe-OH has an IC50 of 15.8 μM for open sodium channels under pepsin catalysis. Z-Gly-Gly-Phe-OH forms peptide bonds with amine components (such as H-Leu-NHPh) through enzyme-catalyzed condensation reactions, and is active as an intermediate in peptide synthesis.
    Z-Gly-Gly-Phe-OH
  • HY-D0844S
    Glutathione oxidized-13C4,15N2
    99.9%
    Glutathione oxidized-13C4,15N2 is the 13C and 15N labeled Glutathione oxidized (HY-D0844). Glutathione oxidized is produced by the oxidation of glutathione. Detoxification of reactive oxygen species is accompanied by production of glutathione oxidized. Glutathione oxidized can be used for the research of sickle cells and erythrocytes.
    Glutathione oxidized-<sup>13</sup>C<sub>4</sub>,<sup>15</sup>N<sub>2</sub>
  • HY-N0305R
    5-Aminolevulinic acid hydrochloride (Standard)
    5-Aminolevulinic acid (hydrochloride) (Standard) is the analytical standard of 5-Aminolevulinic acid (hydrochloride). This product is intended for research and analytical applications. 0
    5-Aminolevulinic acid hydrochloride (Standard)
  • HY-108213A
    Inosinic acid disodiumhydrate(1:2:X)
    99.10%
    Inosinic acid (disodium)(hydrate)(1:2:X) (5'-IMP (disodium)(hydrate)(1:2:X)) is an endogenous metabolite. Inosinic acid (disodium)(hydrate)(1:2:X) is used as umami tastant, or as the dietary supplement to improve the yield and meat quality of pigs.
    Inosinic acid disodiumhydrate(1:2:X)
  • HY-W011690S
    L-Homocystine-d8
    99.94%
    L-Homocystine-d8 is the deuterium labeled L-Homocystine. L-Homocystine is the oxidized member of the L-homocysteine. Homocysteine is a pro-thrombotic factor, vasodilation impairing agent, pro-inflammatory factor and endoplasmatic reticulum-stress inducer used to study cardiovascular disease mechanisms.
    L-Homocystine-d<sub>8</sub>
  • HY-W012734R
    L-Pipecolic acid (Standard)
    L-Pipecolic acid (Standard) is an analytical standard of L-Pipecolic acid. This product is used for research and analytical applications. L-Pipecolic acid (H-HoPro-OH) is an oral active metabolite of Lysine and can accumulate in the bodily fluids of infants with autosomal inherited diseases, such as Zellweger syndrome and neonatal adrenal insufficiency. L-Pipecolic acid can promote muscle cell health and growth by enhancing protein synthesis, and plays a role in promoting gut health. L-Pipecolic acid holds promise for research in the fields of metabolic disorders, muscle growth disorders, and intestinal diseases.
    L-Pipecolic acid (Standard)
  • HY-W008091R
    5-Methylcytosine (Standard)
    5-Methylcytosine (Standard) is the analytical standard of 5-Methylcytosine (HY-W008091). This product is intended for research and analytical applications. 5-Methylcytosine is a well-characterized DNA modification in prokaryotes and eukaryotes. 5-Methylcytosine forms symmetrical methylation on CpG dinucleotides in DNA, stabilizes tRNA/rRNA structure in RNA, and affects mRNA translation. 5-Methylcytosine can be oxidized to generate 5hmC, 5fC, and 5caC. 5-Methylcytosine can be used in epigenetics, developmental biology, and the study of diseases such as colorectal cancer and hepatocellular carcinoma.
    5-Methylcytosine (Standard)
  • HY-B0935S
    Benzyl benzoate-d5
    99.81%
    Benzyl benzoate-d5 is the deuterium labeled Benzyl benzoate. Benzyl benzoate (Benzoic acid benzyl ester) is a fragrance ingredient in cosmetic products. Benzyl benzoate can be used for the research of Scabies and Demodex-associated inflammatory skin conditions.
    Benzyl benzoate-d<sub>5</sub>
  • HY-W653982
    Coproporphyrin I-15N4
    99.19%
    Coproporphyrin I-15N4 is a 15N-labeled Coproporphyrin I (HY-113318). Coproporphyrin I is an endogenous metabolite present in urine and blood that can be used for the research of liver disease and porphyria.
    Coproporphyrin I-<sup>15</sup>N<sub>4</sub>
  • HY-113226
    Orotidine
    99.6%
    Orotidine, a nucleotide, is an intermediate in pyrimidine nucleotide biosynthesis in RNA and DNA. Orotidine is mainly found in bacteria, fungi and plants.
    Orotidine
  • HY-W004261S
    Nonadecanoic acid-d37
    99.30%
    Nonadecanoic acid-d37 is the deuterium labeled Nonadecanoic acid. Nonadecanoic acid is a 19-carbon long saturated fatty acid. Nonadecanoic acid is the major constituent of the substance secreted by Rhinotermes marginalis to defence.
    Nonadecanoic acid-d<sub>37</sub>
  • HY-17038A
    Agomelatine hydrochloride
    99.98%
    Agomelatine hydrochloride (S-20098 hydrochloride) is a specific agonist of MT1 and MT2 receptors with Kis of 0.1, 0.06, 0.12, and 0.27 nM for CHO-hMT1, HEK-hMT1, CHO-hMT2, and HEK-hMT2, respectively. Agomelatine hydrochloride is a selective 5-HT2C receptor antagonist with pKis of 6.4 and 6.2 at native (porcine) and cloned, human 5-HT2C receptors, respectively.
    Agomelatine hydrochloride
  • HY-113482
    1β-Hydroxydeoxycholic acid
    98.0%
    1β-Hydroxydeoxycholic acid (1β-OH-DCA), a secondary bile acid, is a CYP3A biomarker. Deoxycholic acid is specifically metabolized into 1β-Hydroxydeoxycholic acid by CYP3A4 and CYP3A7 using recombinant human CYP450 enzymes.
    1β-Hydroxydeoxycholic acid
  • HY-W007035
    H-Val-Ala-OH
    98.0%
    H-Val-Ala-OH (Valyl-alanine) is a dipeptide formed from L-Valine and L-Alanine residues. H-Val-Ala-OH has a role as a metabolite and also has a bitter taste.
    H-Val-Ala-OH
  • HY-116374S
    Glycolithocholic acid-d4
    99.37%
    Glycolithocholic acid-d4 is the deuterium labeled Glycolithocholic acid. Glycolithocholic acid, an endogenous metabolite, is a glycine-conjugated secondary bile acid and can be used to diagnose ulcerative colitis (UC), non-alcoholic steatohepatitis (NASH) and primary sclerosing cholangitis (PSC) .
    Glycolithocholic acid-d<sub>4</sub>
  • HY-W010736
    1,2-Dipalmitoyl-sn-glycerol
    98.0%
    1,2-Dipalmitoyl-sn-glycerol is an endogenous metabolite.
    1,2-Dipalmitoyl-sn-glycerol
  • HY-W001158
    N,N-Dimethylglycine hydrochloride
    98.0%
    N,N-Dimethylglycine (Dimethylglycine) hydrochloride, a natural N-methylated glycine, is a nutrient supplement and acts as an NMDAR glycine site partial agonist. N,N-Dimethylglycine hydrochloride is a methyl donor that can improve immunity, act as an antioxidant to prevent oxidative stress, and scavenge excess free radicals. N,N-Dimethylglycine hydrochloride has antidepressant-like and surfactant effects.
    N,N-Dimethylglycine hydrochloride
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