2. Infection

Infection

Infection

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Infection is a pathophysiological process that involves the invasion and colonization of a living organism (host) by disease-causing infectious agents, the reaction of host tissues to these agents and the toxins they produce, and the transmission of infectious agents to other hosts. Common infectious agents include viruses, viroids, prions, bacteria, nematodes, arthropods, and other macroparasites such as tapeworms. Hosts can fight infections using their immune system. Mammals often engage both innate and adaptive immune systems to eliminate infectious agents or inhibit their growth and transmission. When infection occurs, anti-infective drugs can suppress the infection. Several broad types of anti-infective drugs exist, depending on the type of organism targeted; they include antibacterial (antibiotic), antiviral, antifungal and antiparasitic agents.

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-B0368B
    D-Captopril 119238-52-7 98%
    D-Captopril is a NDM-1 inhibitor and a competitive BlaB inhibitor, with an IC50 value of 21.8 µM against NDM-1 and a Ki of 70-100 µM against BlaB. D-Captopril synergistically reduces the minimum inhibitory concentration of Meropenem (HY-13678) against NDM-1-expressing bacteria. D-Captopril binds to BcII via its thiolate sulfur atom and carboxylate group, altering metal ion occupancy and modulating Cd2+ binding affinity. D-Captopril can be used in the research of neonatal meningitis, sepsis and bacterial infections.
    D-Captopril
  • HY-B0368C
    epi-D-Captopril 112243-88-6 98%
    epi-D-Captopril (epi-D-SQ 14225) is a stereoisomer of Captopril (HY-B0368) and an inhibitor of metallo-β-lactamases (MBLs). The IC50 values of epi-D-Captopril against NDM-1, IMP-1, and VIM-2 are 64 μM, 173 μM, and 5.5 μM, respectively. epi-D-Captopril is expected to be used in the research of diseases caused by MBLs-related drug-resistant bacterial infections.
    epi-D-Captopril
  • HY-B0395E
    (1S,2R,7S)-Sitafloxacin 127254-11-9 98%
    (1S,2R,7S)-Sitafloxacin (DU-6856) is an enantiomer of Sitafloxacin (HY-B0395). (1S,2R,7S)-Sitafloxacin is a topoisomerase inhibitor. (1S,2R,7S)-Sitafloxacin is an antibiotic. (1S,2R,7S)-Sitafloxacin has inhibitory activity against Escherichia coli DNA gyrase (IC50 0.18 μg/mL) and Staphylococcus aureus topoisomerase IV. (1S,2R,7S)-Sitafloxacin has antibacterial activity and can be used in the study of various bacterial infections.
    (1S,2R,7S)-Sitafloxacin
  • HY-B0395S
    Sitafloxacin-d4 98%
    Sitafloxacin-d4 (DU6859a-d4) is deuterium labeled Sitafloxacin. Sitafloxacin (DU6859a) is a potent, orally active fluoroquinolone antibiotic. Sitafloxacin shows antichlamydial activity and antibacterial activities against a broad range of gram-positive and gram-negative bacteria, including anaerobic bacteria, as well as against atypical pathogens. Sitafloxacin can be used for the research of respiratory tract infection and urinary tract infection.
    Sitafloxacin-d4
  • HY-B0398S
    Nalidixic Acid-d5 1189467-36-4 98%
    Nalidixic Acid-d5 is the deuterium labeled Nalidixic acid. 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.
    Nalidixic Acid-d5
  • HY-B0414R
    Fleroxacin (Standard) 79660-72-3
    Fleroxacin (Standard) is the analytical standard of Fleroxacin. This product is intended for research and analytical applications. Fleroxacin (RO 23-6240) is a broad-spectrum antimicrobial fluoroquinolone.
    Fleroxacin (Standard)
  • HY-B0441B
    Tobramycin monosulfate 126777-32-0 98%
    Tobramycin (Nebramycin Factor 6) monosulfate is a parenterally administered, broad spectrum aminoglycoside antibiotic that is widely used in the treatment of moderate to severe bacterial infections due to sensitive organisms. Tobramycin monosulfate can be used to pneumonia research caused by Pseudomonas aeruginosa.
    Tobramycin monosulfate
  • HY-B0449R
    Methacycline hydrochloride (Standard) 3963-95-9 98%
    Methacycline (hydrochloride) (Standard) is the analytical standard of Methacycline (hydrochloride). This product is intended for research and analytical applications. Methacycline hydrochloride is a tetracycline antibiotic and can inhibits bacterial protein synthesis. Methacycline hydrochloride is a potent epithelial-mesenchymal transition (EMT) inhibitor. Methacycline hydrochloride blocks EMT in vitro and fibrogenesis in vivo without directly affecting TGF-β1 Smad signaling. Methacycline hydrochloride is an antimicrobial and has the potential for pulmonary fibrosis.
    Methacycline hydrochloride (Standard)
  • HY-B0455R
    Lomefloxacin hydrochloride (Standard) 98079-52-8 98%
    Lomefloxacin (hydrochloride) (Standard) is the analytical standard of Lomefloxacin hydrochloride (HY-B0455). This product is intended for research and analytical applications. Lomefloxacin hydrochloride (NY-198 hydrochloride) is an orally active difluoroquinolone antibiotic. Lomefloxacin hydrochloride prevents DNA supercoiling and replication by inhibiting bacterial topoisomerase II. Lomefloxacin hydrochloride induces ROS production and Apoptosis. Lomefloxacin hydrochloride has broad-spectrum bactericidal activity against Gram-positive and Gram-negative bacteria. Lomefloxacin hydrochloride has anticancer effects against melanoma. Lomefloxacin hydrochloride can be used in the study of systemic bacterial infections (such as Salmonella typhimurium infections), skin and melanoma .
    Lomefloxacin hydrochloride (Standard)
  • HY-B0458R
    Cefprozil monohydrate (Standard) 121123-17-9 98%
    Cefprozil monohydrate (Standard) is the analytical standard of Cefprozil monohydrate (HY-B0458). This product is intended for research and analytical applications. Cefprozil monohydrate is a second-generation cephalosporin type antibiotic. Cefprozil monohydrate exhibits broad-spectrum antibacterial activity, and is orally active. Cefprozil monohydrate can be used for the study of pharyngitis, tonsillitis, otitis media, and uncomplicated skin infections.
    Cefprozil monohydrate (Standard)
  • HY-B0462R
    Azelastine hydrochloride (Standard) 79307-93-0
    Azelastine (hydrochloride) (Standard) is the analytical standard of Azelastine (hydrochloride). This product is intended for research and analytical applications. Azelastine hydrochloridem, an antihistamine, is a potent and selective histamine 1 (H1) antagonist. Azelastine hydrochloride can be used for the research of allergic rhinitis, asthma, diabetic hyperlipidemic and SARS-CoV-2.
    Azelastine hydrochloride (Standard)
  • HY-B0465R
    Oxacillin sodium monohydrate (Standard) 7240-38-2 98%
    Oxacillin (sodium monohydrate) (Standard) is the analytical standard of Oxacillin (sodium monohydrate). This product is intended for research and analytical applications. Oxacillin sodium monohydrate is an antibiotic similar to Flucloxacillin used in resistant staphylococci infections study.
    Oxacillin sodium monohydrate (Standard)
  • HY-B0483R
    Tioxolone (Standard) 4991-65-5
    Tioxolone (Standard) is the analytical standard of Tioxolone. This product is intended for research and analytical applications. Tioxolone is an inhibitor for the carbonic anhydrase. Tioxolone exhibits anti-leishmanial, antitumor, and anti-inflammatory activities. Tioxolone can be used in research of acne and psoriasis.
    Tioxolone (Standard)
  • HY-B0488R
    Clorsulon (Standard) 60200-06-8
    Clorsulon (Standard) is the analytical standard of Clorsulon (HY-B0488). This product is intended for research and analytical applications. Clorsulon (L631529; MK401) is an orally active flukicidal agent. Clorsulon inhibits glycolysis, the primary energy production pathway in flukes. Clorsulon is also a competitive inhibitor of 3-phosphoglycolate and ATP, inhibiting glucose utilization and acetate and propionate formation by mature Fasciola hepatica in vitro. Clorsulon can be used in studies of liver fluke (Fasciola hepatica and Fasciola gigantica) infection in calves and sheep.
    Clorsulon (Standard)
  • HY-B0501R
    Danofloxacin mesylate (Standard) 119478-55-6 98%
    Danofloxacin mesylate (Standard) is the analytical standard of Danofloxacin mesylate. This product is intended for research and analytical applications. Danofloxacin mesylate (CP 76136-27) is a fluoroquinolone used as a veterinary drug. Danofloxacin mesylate has a broad spectrum of bactericidal activity, mainly inhibiting the DNA cycloenzyme of the bacteria. In addition, Danofloxacin mesylate is a substrate for ATP-dependent efflux transporters (P-gp and MRP2).
    Danofloxacin mesylate (Standard)
  • HY-B0506R
    Nadifloxacin (Standard) 124858-35-1 98%
    Nadifloxacin (Standard) is the analytical standard of Nadifloxacin (HY-B0506). This product is intended for research and analytical applications. Nadifloxacin (OPC7251) is a broad-spectrum quinolone antibiotic. Nadifloxacin inhibits bacterial DNA gyrase and topoisomerase IV, interfering with DNA replication. It also suppresses the production of proinflammatory cytokines (such as IL-1α, IL-6, and IL-8). Nadifloxacin exhibits antibacterial activity against various pathogens, including Propionibacterium acnes and Staphylococcus aureus. Nadifloxacin also exhibits anti-inflammatory activity. Nadifloxacin can be used in the research of skin infections such as acne vulgaris, folliculitis, and impetigo.
    Nadifloxacin (Standard)
  • HY-B0508R
    Ornidazole (Standard) 16773-42-5 98%
    Ornidazole (Standard) is the analytical standard of Ornidazole. This product is intended for research and analytical applications. Ornidazole (Ro 7-0207) is a nitroimidazole derivative with anti-trichomonad activity and in vitro activity against a variety of anaerobic bacteria. Ornidazole inhibits Sonic hedgehog (Shh) signaling pathway, exhibits antitumor activity. Ornidazole can be used in research of Crohn’s disease.
    Ornidazole (Standard)
  • HY-B0512A
    Sulfamerazine sodium 127-58-2 98%
    Sulfamerazine (RP2632) sodium is a brain-penetrant and orally active sulfonamide antibiotic and α-synuclein inhibitor with human α-synuclein KD of 352 μM. Sulfamerazine sodium inhibits the synthesis of dihydrofolate by bacteria, thereby inhibiting bacterial growth. Sulfamerazine sodium inhibits α-synuclein fibrillation, reduces α-synuclein aggregation-associated toxicity and α-synuclein aggregate accumulation. Sulfamerazine sodium can be used for the research of Parkinson’s disease and bacterial infection.
    Sulfamerazine sodium
  • HY-B0512R
    Sulfamerazine (Standard) 127-79-7 99.72%
    Sulfamerazine (Standard) is the analytical standard of Sulfamerazine. This product is intended for research and analytical applications. Sulfamerazine (RP2632) is a brain-penetrant and orally active sulfonamide antibiotic and α-synuclein inhibitor with human α-synuclein KD of 352 μM. Sulfamerazine inhibits the synthesis of dihydrofolate by bacteria, thereby inhibiting bacterial growth. Sulfamerazine inhibits α-synuclein fibrillation, reduces α-synuclein aggregation-associated toxicity and α-synuclein aggregate accumulation. Sulfamerazine can be used for the research of Parkinson’s disease and bacterial infection.
    Sulfamerazine (Standard)
  • HY-B0512S
    Sulfamerazine-d4 1020719-84-9 99.00%
    Sulfamerazine-d4 is a deuterium labeled Sulfamerazine. Sulfamerazine (RP2632) is a brain-penetrant and orally active sulfonamide antibiotic and α-synuclein inhibitor with human α-synuclein KD of 352 μM. Sulfamerazine inhibits the synthesis of dihydrofolate by bacteria, thereby inhibiting bacterial growth. Sulfamerazine inhibits α-synuclein fibrillation, reduces α-synuclein aggregation-associated toxicity and α-synuclein aggregate accumulation. Sulfamerazine can be used for the research of Parkinson’s disease and bacterial infection.
    Sulfamerazine-d4
Cat. No. Product Name / Synonyms Application Reactivity