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-B0275
    Oxytetracycline
    99.24%
    Oxytetracycline is an antibiotic belonging to the tetracycline class. Oxytetracycline potent inhibits Gram-negative and Gram-positive bacteria. Oxytetracycline is a protein synthesis inhibitor and prevents the binding from aminoacil-tRNA to the complex m-ribosomal RNA. Oxytetracycline also possesses anti-HSV-1 activity.
    Oxytetracycline
  • HY-W016784
    Indole-3-acetamide
    99.95%
    Indole-3-acetamide is a biosynthesis intermediate of 3-Indoleacetic acid (HY-18569). Indole-3-acetic acid is the most common natural plant growth hormone of the auxin class.
    Indole-3-acetamide
  • HY-122524
    7-Methylguanosine
    99.10%
    7-Methylguanosine is a modified nucleoside widely present in various RNAs and a key metabolite of the 5'-cap structure of eukaryotic mRNA. 7-Methylguanosine plays important roles in stabilizing RNA structures, regulating translation, and other aspects.
    7-Methylguanosine
  • HY-113323
    3-Methoxy-4-hydroxyphenylglycol
    98.07%
    3-Methoxy-4-hydroxyphenylglycol (HMPG) is a metabolite of norepinephrine degradation in the brain. 3-Methoxy-4-hydroxyphenylglycol is an indicators of central nervous system noradrenergic activity. 3-Methoxy-4-hydroxyphenylglycol can be used for research of depression, chronic schizophrenia, etc.
    3-Methoxy-4-hydroxyphenylglycol
  • HY-P0241
    Neuromedin B
    99.22%
    Neuromedin B (NMB) is a member of Bombesin (BN)-like peptide family in mammals.
    Neuromedin B
  • HY-P2756
    Alcohol oxidase
    Alcohol oxidase is a functional enzyme of methanol utilization pathway and can be isolated from yeast peroxisome.
    Alcohol oxidase
  • HY-103638A
    3-Methoxytyramine
    99.07%
    3-Methoxytyramine, a well known extracellular metabolite of 3-hydroxytyramine/dopamine, is a neuromodulator.
    3-Methoxytyramine
  • HY-W127758
    Alginic acid
    Alginic acid is a natural polysaccharide, which has been widely concerned and applied due to its excellent water solubility, film formation, biodegradability and biocompatibility. Alginic acid induces oxidative stress-mediated hormone secretion disorder, apoptosis and autophagy in mouse granulosa cells and ovaries. Alginic acid has an inhibitory effect on histamine release. Anti-anaphylactic and anti-inflammatory properties.
    Alginic acid
  • HY-113202
    Stearoylcarnitine
    99.91%
    Stearoylcarnitine, a fatty ester lipid molecule, is an endogenous metabolite. Stearoylcarnitine can be used as PKC inhibitor. Stearoylcarnitine accumulates in β cells, leading to arrest of insulin synthesis and energy deficiency in type 2 diabetes mouse. Stearoylcarnitine inhibits lecithin cholesterol acyltransferase (LCAT) in rat and rabbits plasma. Stearoylcarnitine acts as a metabolomics biomarker for Parkinson’s disease. Stearoylcarnitine is a less potent inhibitor of GlyT2.
    Stearoylcarnitine
  • HY-N0162R
    Luteolin (Standard)
    Luteolin (Standard) is the analytical standard of Luteolin. This product is intended for research and analytical applications. Luteolin (Luteoline), a flavanoid compound, is a potent Nrf2 inhibitor. Luteolin has anti-inflammatory, anti-cancer properties, including the induction of apoptosis and cell cycle arrest, and the inhibition of metastasis and angiogenesis, in several cancer cell lines, including human non-small lung cancer cells.
    Luteolin (Standard)
  • HY-128852
    N-Acetyl-D-galactosamine, 98%
    99.85%
    N-Acetyl-D-galactosamine (GalNAc) is a terminal essential amino sugar derived from galactose and forms the antigens of blood group A in humans. N-Acetyl-D-galactosamine (GalNAc) interact with Soya bean agglutinin (SBA), hence decreasing the effects of SBA on cellular membrane permeability and tight junction protein expression in piglets. N-Acetyl-D-galactosamine (GalNAc) inhibits the hemagglutinating activity by the lectin.
    N-Acetyl-D-galactosamine, 98%
  • HY-B0290
    Pranlukast
    99.61%
    Pranlukast is a highly potent, selective and competitive antagonist of peptide leukotrienes. Pranlukast inhibits [3H]LTE4, [3H]LTD4, and [3H]LTC4 bindings to lung membranes with Kis of 0.63±0.11, 0.99±0.19, and 5640±680 nM, respectively.
    Pranlukast
  • HY-N0304R
    L-DOPA (Standard)
    L-DOPA (Standard) is the analytical standard of L-DOPA. This product is intended for research and analytical applications. L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease.
    L-DOPA (Standard)
  • HY-W014233
    L-Histidinol dihydrochloride
    99.97%
    L-Histidinol dihydrochloride is an orally active histidyl-tRNA synthetase inhibitor. L-Histidinol dihydrochloride interferes with the initiation stage of protein synthesis, thus affecting cell proliferation and metabolism. L-Histidinol dihydrochloride has the effect of modulating the sensitivity of tumor cells to chemotherapeutic agents. L-Histidinol dihydrochloride reduces the toxicity of certain chemotherapeutic agents to normal tissues and enhance the sensitivity of tumor cells to chemotherapeutic agents.
    L-Histidinol dihydrochloride
  • HY-W010347S
    DL-Homocysteine-d4
    99.70%
    DL-Homocysteine-d4 is the deuterium labeled DL-Homocysteine. DL-Homocysteine is a weak neurotoxin, and can affect the production of kynurenic acid in the brain.
    DL-Homocysteine-d<sub>4</sub>
  • HY-D0889
    Glycylglycine
    99.90%
    Glycylglycine is a non-selective glycylglycine dipeptidase substrate and iNOS inhibitor. Glycylglycine can cross the cell membrane by passive diffusion and is hydrolyzed to glycine in the cell, participating in energy metabolism and antioxidant processes. Glycylglycine promotes spermatogonial stem cells (SSCs) proliferation, inhibits astrocyte overactivation and reduces nitric oxide (NO) release, while upregulating the expression of neurotrophic factors (such as PDGFA, FGF2, CNTF) to support nerve myelin repair. Glycylglycine can be used to study male reproductive biology (such as SSCs proliferation regulation) and neurodegenerative diseases (such as neuroprotective mechanisms in multiple sclerosis).
    Glycylglycine
  • HY-N2325
    D-(+)-Cellobiose
    99.94%
    D-(+)-Cellobiose is a water-soluble disaccharide and an important intermediate product in the degradation process of cellulose and hemicellulose. D-(+)-cellobiose is used as a carbon source by microorganisms in fermentation processes, where it is converted into ethanol or other metabolic products. D-(+)-Cellobiose has significant application value in biofuel production, such as bioethanol.
    D-(+)-Cellobiose
  • HY-B1508
    Vitamin K4
    99.90%
    Vitamin K4 is a chemically synthesized Vitamin K which plays an important role in the normal blood coagulation system. Vitamin K4 arrests the cells in S phase and induces apoptosis. Vitamin K4 can be used for the research of cancer, such as prostate cancer and osteosarcoma.
    Vitamin K4
  • HY-W014423
    L-Histidine hydrochloride hydrate
    98.0%
    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 hydrochloride hydrate
  • HY-77641
    Cinnamoylglycine
    Cinnamoylglycine is a human urinary metabolite and PPG analog. Cinnamoylglycine is a conjugate of cinnamic acid and glycine. Cinnamoylglycine is used as a urine marker. Cinnamoylglycine can be used in adipogenic differentiation studies.
    Cinnamoylglycine
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