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Sigma-Aldrich

Levofloxacin

98.0-102.0% anhydrous basis (HPLC)

Synonyme(s) :

Levofloxacin Anhydrous, (−)-Ofloxacin

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About This Item

Formule empirique (notation de Hill):
C18H20FN3O4
Numéro CAS:
100986-85-4
Poids moléculaire :
361.37
Numéro Beilstein :
7327015
Numéro MDL:
MFCD00865049
Code UNSPSC :
51102829
ID de substance PubChem :
57648297
Nomenclature NACRES :
NA.85

Source biologique

synthetic

Pureté

98.0-102.0% anhydrous basis (HPLC)

Forme

powder or crystals

Couleur

light yellow-white to yellow-white

Spectre d'activité de l'antibiotique

Gram-negative bacteria
Gram-positive bacteria

Mode d’action

enzyme | inhibits

Chaîne SMILES 

OC(C(C1=O)=CN2C(C1=CC(F)=C3N4CCN(C)CC4)=C3OC[C@@H]2C)=O

InChI

1S/C18H20FN3O4/c1-10-9-26-17-14-11(16(23)12(18(24)25)8-22(10)14)7-13(19)15(17)21-5-3-20(2)4-6-21/h7-8,10H,3-6,9H2,1-2H3,(H,24,25)/t10-/m0/s1

Clé InChI

GSDSWSVVBLHKDQ-JTQLQIEISA-N

Informations sur le gène

human ... KCNH1(3756)

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Application

Levofloxacin is a broad-spectrum antibiotic used in pharmacokinetic , antibiotic resistance , and resistance prevention studies. Antibiotic against bacterial respiratory tract infections.

Actions biochimiques/physiologiques

Levofloxacin is active against Gram-positive and Gram-negative bacteria. It inhibits DNA gyrase (type II topoisomerase) and topoisomerase IV, thereby inhibiting cell division.

Conditionnement

10mg, 1g, 10g

Autres remarques

Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place.

Pictogrammes

Health hazardExclamation mark
GHS08,GHS07

Mention d'avertissement

Danger

Mentions de danger

H302,H317,H334

Classification des risques

Acute Tox. 4 Oral - Resp. Sens. 1A - Skin Sens. 1A

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

George G Zhanel et al.
Drugs, 62(1), 13-59 (2002-01-16)
The new fluoroquinolones (clinafloxacin, gatifloxacin, gemifloxacin, grepafloxacin, levofloxacin, moxifloxacin, sitafloxacin, sparfloxacin and trovafloxacin) offer excellent activity against Gram-negative bacilli and improved Gram-positive activity (e.g. against Streptococcus pneumoniae and Staphylococcus aureus) over ciprofloxacin. Ciprofloxacin still maintains the best in vitro activity
Miriam Hurst et al.
Drugs, 62(14), 2127-2167 (2002-09-25)
Levofloxacin is the L-form of the fluoroquinolone antibacterial agent, ofloxacin. In in vitro studies, levofloxacin demonstrated a broad range of activity against Gram-positive and -negative organisms and anaerobes. The drug is more active against Gram-positive organisms than ciprofloxacin, but less
Takeshi Hirano et al.
International journal of pharmaceutics, 351(1-2), 113-118 (2007-11-06)
L-Carnitine plays an important role in lipid metabolism by facilitating the transport of long-chain fatty acids across the mitochondrial inner membrane followed by fatty acid beta-oxidation. It is known that members of the OCTN family play an important role in
Gregory S Basarab et al.
Scientific reports, 5, 11827-11827 (2015-07-15)
With the diminishing effectiveness of current antibacterial therapies, it is critically important to discover agents that operate by a mechanism that circumvents existing resistance. ETX0914, the first of a new class of antibacterial agent targeted for the treatment of gonorrhea
M H Gotfried et al.
Chest, 119(4), 1114-1122 (2001-04-11)
To determine the steady-state plasma, epithelial lining fluid (ELF), and alveolar macrophage (AM) concentrations of levofloxacin and ciprofloxacin. Multiple-dose, open-label, randomized pharmacokinetic study. Thirty-six healthy, nonsmoking adult subjects were randomized either to oral levofloxacin, 500 or 750 mg once daily
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Articles

Inhibition of Nucleic Acid Synthesis by Antibiotics

Quinolones are a key group of antibiotics that interfere with DNA synthesis by inhibiting topoisomerase, most frequently topoisomerase II (DNA gyrase), an enzyme involved in DNA replication.

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