DNA/RNA Synthesis Inhibitor

BGC638 is a thymidylate synthase inhibitor with a K_i value of 0.24 nM. BGC638 binds to α-FR with high affinity and enters cells via receptor-mediated endocytosis, thereby potently inhibiting thymidylate synthase to block DNA synthesis and ultimately induce apoptosis. BGC638 is applicable to studies related to α-FR-overexpressing tumors and epithelial carcinomas (ovarian cancer and endometrial cancer).

Brequinar-d₃ (DUP785-d₃) is deuterium labeled Brequinar. Brequinar (DUP785) is a potent inhibitor of dihydroorotate dehydrogenase (DHODH) with an IC₅₀ of 5.2 nM for human DHODH. Brequinar has potent activities against a broad spectrum of viruses. Brequinar also has an anti-SARS2 activity.

Suricapavir is a potent viral replication inhibitor. Suricapavir shows antiviral activity.

Fluoxastrobin is a fungicide. By binding to NAD-dependent epimerase/dehydratase, Fluoxastrobin interferes with electron transport, reduces ATP production and inhibits mycelial growth, thereby effectively controlling foliar diseases of tea plants. Fluoxastrobin induces oxidative stress by increasing ROS levels and lipid peroxidation, causes DNA damage and promotes apoptosis; meanwhile, it shows high acute toxicity to Danio rerio embryos and larvae. Fluoxastrobin can be used in research related to tea foliar diseases (including tea red leaf spot and tea gray leaf spot).

(±)-Enitociclib (Standard) is the analytical standard of (±)-Enitociclib (HY-103019A). This product is intended for research and analytical applications. (±)-Enitociclib ((±)-BAY-1251152) is the racemic mixture of Enitociclib (HY-103019E). Enitociclib is a selective CDK9 inhibitor and apoptosis inducer. Enitociclib inhibits CDK9 activity and reduces the phosphorylation of Ser2 in the carboxyl-terminal domain (CTD) of RNA polymerase Pol II, thereby downregulating the transcription of key oncogenes such as MYC and MCL1. Enitociclib has anti-proliferative activity targeting MYC+ lymphoma and multiple myeloma (MM) cells, and has synergistic effects with Bortezomib (HY-10227) and Lenalidomide (HY-A0003), and can be used in the research of hematological malignancies.

ddTTP tetrasodium is a DNA polymerase γ inhibitor, with K_i values of 0.05 μM and 0.4 μM against bovine testicular DNA polymerase γ. ddTTP tetrasodium can be incorporated into DNA to cause termination of the extended DNA strand. ddTTP tetrasodium can be used in the research of HIV infection.

DNA Gyrase-IN-10 is a potent DNA gyrase inhibitor with potent antibacterial effects. DNA Gyrase-IN-10 has inhibitory effects on both Gram-positive and Gram-negative bacteria.

Rifamycin AF-013 is a derivative of Rifamycin (HY-B1907). Rifamycin AF-013 inhibits DNA polymerase γ by competing with dTTP and template primers for binding. Rifamycin AF-013 exhibits inhibitory activity against Rifampicin (HY-B0272)-resistant RNA polymerase. Rifamycin AF-013 inhibits non-polymerase enzymes including glutamic-oxaloacetic transaminase (GOT), glutamic-pyruvic transaminase (GPT), and Alkaline phosphatase. Rifamycin AF-013 can be used in research related to Rifampicin-resistant bacterial infections and Ehrlich ascites tumors.

Glycosyltransferase-IN-2 (Compound 20) is a Glycosyltransferase inhibitor. Glycosyltransferase-IN-2 has a broad-spectrum anticoronavirus activity with IC₅₀s of 11.3, 5.5 and ~16.2 μM for MHV, HCoV-NL63 and SARS-CoV-2, respectively. Glycosyltransferase-IN-2 interferes with the coronavirus infectivity, alters viral protein glycosylation with inhibition of interaction with the ACE2 receptor or SC-VLP secretion, and inhibits RNA replication. Glycosyltransferase-IN-2 can be used for coronavirus infections research.

Difloxacin hydrochloride (Standard) (A-56619 hydrochloride (Standard)) is the analytical standard of Difloxacin (hydrochloride) (HY-N7066). This product is intended for research and analytical applications. Difloxacin hydrochloride (A-56619 hydrochloride) is an orally active bactericidal agent. Difloxacin hydrochloride inhibits bacterial DNA gyrase. Difloxacin hydrochloride exhibits concentration-dependent bactericidal activity. Difloxacin hydrochloride shows strong in vitro activity against a variety of Gram-positive and Gram-negative bacteria. Difloxacin hydrochloride can be used in research related to colibacillosis and *Staphylococcus aureus* infections.

RNA polymerase-IN-2 (compound 5) is s DNA-dependent RNA polymerase inhibitor. RNA polymerase-IN-2 inhibits CYP isozymes.

KJ001-12a is an orally active anti-influenza agent with activity against influenza A and B strains. KJ001-12a acts as an RNA-dependent RNA polymerase inhibitor that reduces the expression levels of viral M2 mRNA and vRNA. KJ001-12a shows low sensitivity to the loss of inhibitory activity caused by the I38T mutation. KJ001-12a is applicable for influenza-related research.

Pseudouridimycin (PUM) TFA is an antibiotic that selectively inhibits bacterial RNA polymerase (RNAP), with an IC₅₀ of about 0.1 μM and MICs of 4-6 μg/mL. Pseudouridimycin TFA is a C-nucleoside analogue that's effective against both Gram-negative and Gram-positive bacteria. Pseudouridimycin TFA inhibits bacterial growth in vitro and shows activity in a mouse model of purulent streptococcal peritonitis.

Phlorizin (Floridzin) (Standard) is the analytical standard of Phlorizin. This product is intended for research and analytical applications. Phlorizin is an orally active non-selective sodium-glucose cotransporter (SGLT) inhibitor, with an IC₅₀ of 0.04 μM and a K_i of 39 nM against hSGLT2, and an IC₅₀ of 0.17 μM and a K_i of 0.31 μM against hSGLT1. Phlorizin promotes GLUT4 translocation, inhibits gluconeogenesis and promotes glycogen synthesis by activating the PI3K/Akt/mTOR pathway. Phlorizin reduces DNA damage and apoptosis (apoptosis) by inhibiting the NF-κB inflammatory pathway. Phlorizin induces apoptosis via activating the Caspase pathway by antagonizing the JAK/STAT3 and PCK pathways. Phlorizin also exhibits antibacterial, anti-inflammatory and neuroprotective activities.

Satranidazole is an orally active insecticide and antimicrobial agent with high electron affinity. Satranidazole forms reduced nitro intermediates, which interact with DNA, causing helix instability, strand breakage and release of thymidine derivatives. Satranidazole exhibits antitrichomonal activity against Trichomonas vaginalis and Trichomonas foetus, and antiamoebic activity in rodent models of hepatic amoebiasis and caecal amoebiasis. Satranidazole inhibits the replication of bacteriophage φX174 DNA. Satranidazole can be used in research related to caecal amoebiasis, trichomoniasis and anaerobic bacterial infections.

13-TP is an inhibitor of SARS-CoV-2. 13-TP effectively inhibits the SARS-CoV-2 central replication transcription complex (C-RTC, nsp12-nsp7-nsp82) catalyzed in vitro RNA synthesis. 13-TP completely inhibits the RdRp polymerization activity. 13-TP blocks the full extension of some of the primer RNA.

Laflunimus (Standard) is the analytical standard of Laflunimus. This product is intended for research and analytical applications. Laflunimus (HR325) is an immunosuppressive agent and an analogue of the Leflunomide-active metabolite A77 1726. Laflunimus is an orally active inhibitor of dihydroorotate dehydrogenase (DHODH). Laflunimus suppresses immunoglobulin (Ig) secretion, with IC50 values of 2.5 and 2 μM for IgM and IgG, respectively. Laflunimus also is a prostaglandin endoperoxide H synthase (PGHS) -1 and -2 inhibitor.

Mequindox (Standard) is the analytical standard of Mequindox. This product is intended for research and analytical applications. Mequindox is an antimicrobial agent. Mequindox acts as an inhibitor of DNA synthesis. Mequindox induces genotoxicity and carcinogenicity in mice.

RORγ/DHODH-IN-1 (compound 1404), a deuterium labeled compound, is a dual RORγ and DHODH inhibitor with IC₅₀ values of 9.7 nM and 100 nM, repaectively. RORγ/DHODH-IN-1 blocks the replication of SARS-CoV-2, HCMV, and non-enveloped DNA virus (HAdV5).

D-AAP1 is an RNA polymerase inhibitor. D-AAP1 exhibits anti-mycobacterial activity. D-AAP1 can be used for the research of mycobacterial infections.