2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Dihydroorotate Dehydrogenase

Dihydroorotate Dehydrogenase

DHODH

Dihydroorotate Dehydrogenase

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Dihydroorotate dehydrogenase (DHODH) is the fourth enzyme in the de novo pyrimidine biosynthesis pathway, serving as the catalyst to oxidize the dihydroorotate to orotic acid in the biosynthesis of uridine monophosphate (UMP). DHODH is a known target for autoimmune diseases as well as an important target for malaria.

Based on localization and electron acceptor, DHODHs have classified into two families: Family 1 members are soluble proteins localized to the cytosol, while family 2 members are membrane proteins localized to the inner mitochondrial membrane. Family 1 is further subdivided into family 1A and family 1B, which use fumarate and NAD+ (respectively) as electron acceptors. Family 2 DHODH enzymes use respiratory quinones as electron acceptors.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-135677
    DHODH-IN-13
    		Inhibitor
    DHODH-IN-13 (Compound 7a) is a hydroxyfurazan analog of A771726. DHODH-IN-13 is a dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 of 4.3 μM for rat liver DHODH. DHODH-IN-13 can be used for rheumatoid arthritis.
    DHODH-IN-13
  • HY-157153
    hDHODH-IN-14
    		Inhibitor
    hDHODH-IN-14 (compound 14) is a human dihydroorotate dehydrogenase (hDHODH) inhibitor with an IC50 of 0.469 μM.
    hDHODH-IN-14
  • HY-135562
    Ascofuranone
    		Inhibitor
    Ascofuranone, a prenylphenol antibiotic, is a potent and selective trypanosome alternative oxidase (TAO) inhibitor. Ascofuranone has inhibitory activity against human dihydroorotate dehydrogenase (DHODH). Ascofuranone has diverse physiological activities, including antibiotic, hypolipidemic, anti-inflammatory, and anti-cancer.
    Ascofuranone
  • HY-149030
    DHODH-IN-21
    		Inhibitor
    DHODH-IN-21 (compound 19) is an orally active selective dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 value of 1.1 nM. DHODH-IN-21 has anticancer activity and can be used in studies of acute myeloid leukaemia (AML).
    DHODH-IN-21
  • HY-158334
    NDs-IN-1
    		Inhibitor
    (Neurodegenerative diseases) NDs-IN-1 (Compound 3g) inhibits the activities of key enzymes such as hBACE-1, hAChE and hMAO-B. NDs-IN-1 is a novel non-covalent multi-target inhibitor. NDs-IN-1 is mainly used in the study of neurodegenerative diseases.
    NDs-IN-1
  • HY-144169
    DHODH-IN-19
    		Inhibitor
    DHODH-IN-19 is a potent inhibitor of DHODH. DHODH is present in the inner membrane of human mitochondria and is an iron-containing flavin-dependent enzyme. DHODH-IN-19 inhibits tumor growth. DHODH-IN-19 has the potential for the research of cancer and inflammation disease (extracted from patent WO2021238881A1, compound 1).
    DHODH-IN-19
  • HY-149877
    hDHODH-IN-12
    		Inhibitor
    hDHODH-IN-12 is a potent DHODH inhibitor with an IC50 value of 0.421 μM. DHODH is the rate-limiting enzyme in the de novo synthesis of pyrimidine which is essential in DNA/RNA Synthesis. hDHODH-IN-12 is present in the inner membrane of human mitochondria.hDHODH-IN-12 can be used for the research of lung cancer.
    hDHODH-IN-12
  • HY-178156
    DHODH-IN-31
    		Inhibitor
    DHODH-IN-31 is a human dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 of 0.59 μM. DHODH-IN-31 exhibits antiviral activity. DHODH-IN-31 can be used for the research of infection, such as SARS-CoV-2.
    DHODH-IN-31
  • HY-135667
    hDHODH-IN-7
    		Inhibitor
    DHODH-IN-9 (Compound 10k) is an azine-bearing analogue and is a human dihydroorotate dehydrogenase inhibitor. DHODH-IN-9 has antiviral effect with a pMIC50 of 7.4.
    hDHODH-IN-7
  • HY-149031
    DHODH-IN-22
    		Inhibitor
    DHODH-IN-22 is a potent, selective and orally active dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 value of 0.3 nM. DHODH-IN-22 can be used for researching acute myelogenous leukemia (AML).
    DHODH-IN-22
  • HY-158023
    DHODH-IN-26
    		Inhibitor
    DHODH-IN-26 (compound B2) is a mitochondria-targeting DHODH inhibitor. DHODH-IN-26 shows anticancer activity, triggers the formation of reactive oxygen species (ROS), promots mitochondrial lipid peroxidation, and induces ferroptosis.
    DHODH-IN-26
  • HY-135679
    DHODH-IN-15
    		Inhibitor
    DHODH-IN-15 (Compound 7b) is a hydroxyfurazan analog of A771726. DHODH-IN-15 is a dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 of 11 μM for rat liver DHODH. DHODH-IN-15 can be used for rheumatoid arthritis.
    DHODH-IN-15
  • HY-139825
    Indoluidin E
    		Inhibitor
    Indoluidin E selectively inhibits DHODH and suppresses cancer cell growth.
    Indoluidin E
  • HY-177483
    OART
    		Inhibitor
    OART (Oxaliplatin-artesunate) is a ferroptosis inducer. OART significantly inhibits tumor cell proliferation. OART induces cytoplasmic and mitochondrial LPO to promote tumor ferroptosis, via destroying glutathione-mediated ferroptosis defense system and enhancing iron-dependent Fenton reaction. OART enhances tumor immunogenicity, transforming tumor environment from immunosuppressive to immunosensitive. OART has strong tumor regression in tumor-bearing mouse models. OART can be used for cancer immunotherapy research.
    OART
  • HY-168335
    hDHODH-IN-16
    		Inhibitor
    hDHODH-IN-16 (Compound 3t) is a human dihydroorotate dehydrogenase (hDHODH) inhibitor, with an IC50 of 0.11 μM. hDHODH-IN-16 shows very low cytotoxicity to healthy HaCaT cells, with an IC50 value greater than 200 µM.
    hDHODH-IN-16
  • HY-174816
    DHODH-IN-28
    		Inhibitor
    DHODH-IN-28 (Compound 11a) is a potent fluorescent inhibitor targeting human dihydroorotate dehydrogenase (hDHODH) with an IC50 value of 170 nM. DHODH-IN-28 exhibits antileukemic and antiviral activities. DHODH-IN-28 is promising for research of cancers and infectious diseases.
    DHODH-IN-28
  • HY-163328
    DHODH-IN-25
    		Inhibitor
    DHODH-IN-25 (Compound 25) is an orally active dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 value of 5.4 nM for human DHODH. DHODH-IN-25 can be used for the study of acute myeloid leukemia (AML).
    DHODH-IN-25
  • HY-119453
    Oxycinchophen
    		Inhibitor
    Oxycinchophen exhibits anti-inflammatory and uricosuric activity. Oxycinchophen displaces urate from albumin, exhibits high affinity for the DNSA-binding site on the albumin molecule.
    Oxycinchophen
  • HY-135619
    DHODH-IN-4
    		Inhibitor
    DHODH-IN-4 (compound 17) is a human and Plasmodium falciparum dihydroorotate dehydrogenase (DHODH) inhibitor, with IC50 values of 4 μM and 0.18 μM for PfDHODH and HsDHODH, respectively. DHODH-IN-4 (compound 17) possess antimalarial activity.
    DHODH-IN-4
  • HY-147788
    hDHODH-IN-9
    		Inhibitor
    hDHODH-IN-9 (Compound 3k) is a potent inhibitor of hDHODH with an IC50 of 0.34 μM. hDHODH-IN-9 demonstrates high cytotoxic activity against MCF-7 and A375 cells and good selectivity. hDHODH-IN-9 has the potential for the research of cancer diseases.
    hDHODH-IN-9
Cat. No. Product Name / Synonyms Application Reactivity