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

Endogenous Metabolite

Endogenous Metabolite

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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].

Endogenous Metabolite Isoform Specific Products:

Endogenous Metabolite Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-W009208
    Calcium L-Threonate
    		98.0%
    Calcium L-Threonate, a calcium aldonate, is a calcium supplement. Calcium L-Threonate can be used for the study of osteoporosis.
    Calcium L-Threonate
  • HY-75342
    Methyl vanillate
    		99.88%
    Methyl vanillate, one of the ingredients in Oryza sativa Linn., is a Wnt/β-catenin pathway activator. A benzoate ester that is the methyl ester of vanillic acid. It has a role as an antioxidant and a plant metabolite.
    Methyl vanillate
  • HY-W354498
    L-Octanoylcarnitine hydrochloride
    		98.0%
    L-Octanoylcarnitine hydrochloride is a plasma metabolite and a physiologically active form of octanoylcarnitine. L-Octanoylcarnitine hydrochloride can be used for the research of breast cancer.
    L-Octanoylcarnitine hydrochloride
  • HY-34748
    3-Penten-2-one
    		99.70%
    3-Penten-2-one (Ethylideneacetone) inhibits nitric oxide production and inducible nitric oxide synthase expression via heme oxygenase-1 induction in RAW264.7 macrophages activated with Lipopolysaccharides (HY-D1056) (LPS).
    3-Penten-2-one
  • HY-W016887R
    Glycyl-L-proline (Standard)
    H-Gly-Pro-OH (Standard) is the analytical standard of H-Gly-Pro-OH. This product is intended for research and analytical applications. H-Gly-Pro-OH is an end product of collagen metabolism that is further cleaved by prolidase.
    Glycyl-L-proline (Standard)
  • HY-137499
    NT1-O12B
    		Chemical
    NT1-O12B, an endogenous chemical and a neurotransmitter-derived lipidoid (NT-lipidoid), is an effective carrier for enhanced brain delivery of several blood-brain barrier (BBB)-impermeable cargos. Doping NT1-O12B into BBB-impermeable lipid nanoparticles (LNPs) gives the LNPs the ability to cross the BBB. NT-lipidoids formulation not only facilitate cargo crossing of the BBB, but also delivery of the cargo into neuronal cells for functional gene silencing or gene recombination.
    NT1-O12B
  • HY-17564
    2'-Deoxycytidine (hydrochloride)
    		99.98%
    2'-Deoxycytidine hydrochloride (2'-Deoxycytidine monohydrochloride; NSC 83251) is an orally active nucleic acid biosynthesis enzyme inhibitor. 2'-Deoxycytidine hydrochloride competes with nucleic acid biosynthesis enzymes and nucleoside transporters, thereby reducing the toxicity of cytarabine. 2'-Deoxycytidine hydrochloride can be used in the research of L1210 lymphoblastic leukemia.
    2'-Deoxycytidine (hydrochloride)
  • HY-Y0057
    NSC 13138
    		99.58%
    NSC 13138 is an endogenous metabolite.
    NSC 13138
  • HY-139793
    UDP-glucosamine disodium
    UDP-glucosamine (UDP-GlcNAc) disodium is a substrate for O-GlcNAc transferase, which catalyzes the attachment of O-GlcNAc to proteins. O-GlcNAcase catalyzes the removal of O-GlcNAc from proteins. UDP-glucosamine (UDP-GlcNAc) disodium is the end product of the hexosamine biosynthesis pathway, which is regulated primarily by glucose-6-phosphate-Glutamine:fructose-6-phosphate amidotransferase (GFAT).
    UDP-glucosamine disodium
  • HY-B1941
    4-tert-Octylphenol
    		99.70%
    4-tert-Octylphenol, a endocrine-disrupting chemical, is an estrogenic agent. 4-tert-Octylphenol is also a biodegradation product of non-ionic surfactants alkylphenol polyethoxylates. 4-tert-Octylphenol induces apoptosis in neuronal progenitor cells in offspring mouse brain. 4-tert-Octylphenol reduces bromodeoxyuridine (BrdU), mitotic marker Ki67, and phospho-histone H3 (p-Histone-H3), resulting in a reduction of neuronal progenitor proliferation. 4-tert-Octylphenol disrupts brain development and behavior in mice, which is promising for reserch of immune response, neuro-related diseases and ethology.
    4-tert-Octylphenol
  • HY-59125
    (R,R)-(+)-Hydrobenzoin
    		99.82%
    (R,R)-(+)-Hydrobenzoin is a chiral secondary alcohol that can be used as a key substrate or a chiral auxiliary reagent in various catalytic reactions and synthetic experiments.
    (R,R)-(+)-Hydrobenzoin
  • HY-W010256
    D-Xylulose
    		99.90%
    D-xylulose is a precursor of the pentiol D-arabitol.
    D-Xylulose
  • HY-135416A
    Streptolysin O (≥1000000 units/mg)
    Streptolysin O (≥1000000 units/mg) is a ≥1000000 units/mg Streptolysin O (HY-135416). Streptolysin O, a group A streptococcal toxin, is a well-characterized oxygen-labile prototype of a cholesterol-binding bacterial exotoxin. Streptolysin O causes both lysis of cells and cardiotoxicity. Streptolysin O is widely used for the controlled permeabilization of cell membranes. Streptolysin O exists in two forms, a reduced active state and an oxidized reversibly inactive state.
    Streptolysin O (≥1000000 units/mg)
  • HY-W017018S
    L-Ornithine-d6 hydrochloride
    		99.2%
    L-Ornithine-d6 (hydrochloride) is the deuterium labeled L-Ornithine hydrochloride. L-Ornithine hydrochloride is a free amino acid that plays a central role in the urea cycle and is also important for the disposal of excess nitrogen.
    L-Ornithine-d<sub>6</sub> hydrochloride
  • HY-N0568R
    Madecassoside (Standard)
    Madecassoside (Standard) is the analytical standard of Madecassoside. This product is intended for research and analytical applications. Madecassoside is a pentacyclic triterpene isolated from Centella asiatica and has anti-inflammatory properties. Antioxidant and anti-aging effects. Madecassoside is a pentacyclic triterpene isolated from Centella asiatica. Madecassoside is orally active and has inhibitory properties against inflammation, oxidation, apoptosis and autophagy. Madecassosid inhibits activities of p38 MAPK and NF-kB, exhibits an anti-apopototic property, activates Nrf2 expression to reduce the neurotoxicity[10]. Madecassoside can be used in endocrine diseases, cardiovascular diseases, skin diseases and other diseases.
    Madecassoside (Standard)
  • HY-W008820S1
    Glutaric acid-d4
    		99.46%
    Glutaric acid-d4 is the deuterium labeled Glutaric acid. Glutaric acid, C5 dicarboxylic acid, is an intermediate during the catabolic pathways of lysine and tryptophan. Glutaric acid affects pericyte contractility and migration. Glutaric acid is an indicator of glutaric aciduria type I.
    Glutaric acid-d<sub>4</sub>
  • HY-113353
    Nicotinuric acid
    		99.94%
    Nicotinuric acid is an acyl glycine. Nicotinuric acid is a metabolite of nicotinic acid.
    Nicotinuric acid
  • HY-N6786
    Ochratoxin B
    		99.90%
    Ochratoxin B is an orally active secondary metabolite of Aspergillus ochraceus and non-chlorinated analog of the mycotoxin Ochratoxin A. Ochratoxin B reduces the toxic effects of Ochratoxin A (HY-N6788). Ochratoxin B inhibits cell division. Ochratoxin B causes craniofacial malformations in Xenopus laevis embryos.
    Ochratoxin B
  • HY-134433A
    GDP-L-fucose disodium
    		98.79%
    GDP-L-fucose disodium is a nucleotide sugar that is a key substrate for the biosynthesis of fucose oligosaccharides. GDP-L-fucose disodium provides the fucose moiety for the oligosaccharides. The formation of GDP-L-fucose disodium occurs through two pathways, the major de novo metabolic pathway and the minor remedial metabolic pathway.
    GDP-L-fucose disodium
  • HY-B0158S7
    Cytidine-13C9
    		98.69%
    Cytidine-13C9 (Cytosine β-D-riboside-13C9) is 13C labeled Cytidine (HY-B0158). Cytidine is a pyrimidine nucleoside and acts as a component of RNA. Cytidine is a precursor of uridine. Cytidine controls neuronal-glial glutamate cycling, affecting cerebral phospholipid metabolism, catecholamine synthesis, and mitochondrial function.
    Cytidine-<sup>13</sup>C<sub>9</sub>
Cat. No. Product Name / Synonyms Application Reactivity
Endogenous Metabolite Isoform Comparison

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