1. Signaling Pathways
  2. Cell Cycle/DNA Damage
  3. Topoisomerase
  4. Topoisomerase Isoform
  5. Topoisomerase Inhibitor

Topoisomerase Inhibitor

Topoisomerase Inhibitors (138):

Cat. No. Product Name Effect Purity
  • HY-13624A
    Epirubicin hydrochloride
    Inhibitor 99.16%
    Epirubicin hydrochloride (4'-Epidoxorubicin hydrochloride), a semisynthetic L-arabino derivative of doxorubicin, has an antineoplastic agent by inhibiting Topoisomerase. Epirubicin hydrochloride inhibits DNA and RNA synthesis. Epirubicin hydrochloride is a Forkhead box protein p3 (Foxp3) inhibitor and inhibits regulatory T cell activity.
  • HY-18258
    Berberine chloride
    Inhibitor 99.66%
    Berberine chloride is an alkaloid that acts as an antibiotic. Berberine chloride induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Antineoplastic properties.
  • HY-B0330
    Levofloxacin
    Inhibitor 99.93%
    Levofloxacin ((-)-Ofloxacin) is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin inhibits the DNA gyrase and topoisomerase IV. Levofloxacin can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin shows anti-orthopoxvirus activity.
  • HY-13631AS
    Exatecan-d5 mesylate
    Inhibitor 99.82%
    Exatecan-d5 (mesylate) is deuterium labeled Exatecan mesylate. Exatecan mesylate is a DNA topoisomerase I inhibitor, with an IC50 of 0.975 μg/mL[1].
  • HY-125033
    EIDD-1931
    Inhibitor 99.96%
    EIDD-1931 (Beta-d-N4-hydroxycytidine; NHC) is a novel nucleoside analog and behaves as a potent anti-virus agent. EIDD-1931 effectively inhibits the replication activity of venezuelan equine encephalitis virus (VEEV), Chikungunya virus (CHIKV) and hepatitis C virus (HCV).
  • HY-B0398
    Nalidixic acid
    Inhibitor 99.97%
    Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of DNA gyrase and topoisomerase IV and reversibly blocks DNA replication in susceptible bacteria.
  • HY-16742
    Gepotidacin
    Inhibitor 99.85%
    Gepotidacin (GSK2140944) is a novel triazaacenaphthylene bacterial type II topoisomerase inhibitor.
  • HY-17577
    Berberine chloride hydrate
    Inhibitor 99.82%
    Berberine chloride hydrate (Natural Yellow 18 chloride hydrate) is an alkaloid that acts as an antibiotic. Berberine chloride hydrate induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Antineoplastic properties.
  • HY-N0716B
    Berberine sulfate
    Inhibitor ≥98.0%
    Berberine sulfate is an alkaloid isolated from the Chinese herbal medicine Huanglian, as an antibiotic. Berberine sulfate induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Berberine sulfate has antineoplastic properties. The sulfate form improves bioavailability.
  • HY-44369
    Exatecan Intermediate 6
    Inhibitor 98.92%
    Exatecan Intermediate 6 is the intermediate of Exatecan (HY-13631) And Exatecan (DX-8951) is a DNA topoisomerase I inhibitor with an IC50 value of 2.2 μM (0.975 μg/mL) that can be used in cancer research. Exatecan Intermediate 6 can be used to synthesize Antibody-Drug Conjugates (ADCs).
  • HY-B0330A
    Levofloxacin hydrate
    Inhibitor 99.93%
    Levofloxacin hydrate (Levofloxacin hemihydrate) is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin hydrate inhibits the DNA gyrase and topoisomerase IV. Levofloxacin hydrate can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin hydrate shows anti-orthopoxvirus activity.
  • HY-135867E
    NHC-triphosphate tetraammonium
    Inhibitor
    NHC-triphosphate tetraammonium is an active phosphorylated intracellular metabolite of β-d-N4-Hydroxycytidine (NHC) (HY-125033) as a triphosphate form. NHC-triphosphate tetraammonium is a weak alternative substrate for the viral polymerase and can be incorporated into HCV replicon RNA.
  • HY-W010800
    Cholesteryl hemisuccinate
    Inhibitor ≥98.0%
    Cholesteryl hemisuccinate is a with hepatoprotective an anticancer activity. Cholesteryl hemisuccinate inhibits Acetaminophen (AAP, HY-66005) hepatotoxicity, and prevents AAP-induced hepatic apoptosis and necrosis. Cholesteryl hemisuccinate inhibits DNA polymerase and DNA topoisomerase to inhibit DNA replication and repair and cell division. Thus, Cholesteryl hemisuccinate inhibits tumor growth.
  • HY-122550
    Artemisitene
    Inhibitor 98.74%
    Artemisitene, a natural derivative of Artemisinin, is a Nrf2 activator with antioxidant and anticancer activities. Artemisitene activates Nrf2 by decreasing Nrf2 ubiquitination and increasing its stability.
  • HY-156376
    Cu(II)-Elesclomol
    Inhibitor 99.99%
    Cu(II)-Elesclomol is a Cu2+ complex of Elesclomol (HY-12040). Cu(II)-Elesclomol induces cuproptosis. Cu(II)-Elesclomol also inducesapoptosis, causes a G1 cell cycle block and induces DNA double strand breaks in K562 cells. Cu(II)-Elesclomol also weakly inhibits DNA topoisomerase I. Cu(II)-Elesclomol has anticancer activity.
  • HY-13704S
    SN-38-d3
    Inhibitor 99.07%
    SN-38-d3 is the deuterium labeled SN-38. SN-38 (NK012) is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 (NK012) inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively[1][2][3][4].
  • HY-13721
    Phenoxodiol
    Inhibitor 99.76%
    Phenoxodiol (Idronoxil), a synthetic analog of Genestein, activates the mitochondrial caspase system, inhibits XIAP (an apoptosis inhibitor), and sensitizes the cancer cells to Fas-mediated apoptosis. Phenoxodiol also inhibits DNA topoisomerase II by stabilizing the cleavable complex. Phenoxodiol induces cell cycle arrest in the G1/S phase of the cell cycle and upregulates p21WAF1 via a p53 independent manner.
  • HY-13061
    Daun02
    Inhibitor 98.72%
    Daun02 is a proagent of the topoisomerase inhibitor Daunorubicin.
  • HY-N6880
    Rabdosiin
    Inhibitor 99.55%
    Rabdosiin is a tetramer of caffeic acid isolated from the stem of Ocimum sanctum. Rabdosiin possess anti-allergic activity, anti-HIV activity and inhibition on DNA topoisomerase.
  • HY-148820
    Br-Val-Ala-NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT
    Inhibitor 98.43%
    Br-Val-Ala-NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT (Formula V) is a agent-linker conjugate that composed of a potent topoisomerase I inhibitor and a linker to make antibody agent conjugate (ADC).