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N1230000

Norfloxacin

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

1-Ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid, 1-Ethyl-6-fluoro-1,4-dihydro-4-oxo-7-piperazino-3-quinolinecarboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C16H18FN3O3
CAS Number:
Molecular Weight:
319.33
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

norfloxacin

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

CCN1C=C(C(O)=O)C(=O)c2cc(F)c(cc12)N3CCNCC3

InChI

1S/C16H18FN3O3/c1-2-19-9-11(16(22)23)15(21)10-7-12(17)14(8-13(10)19)20-5-3-18-4-6-20/h7-9,18H,2-6H2,1H3,(H,22,23)

InChI key

OGJPXUAPXNRGGI-UHFFFAOYSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Norfloxacin EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Biochem/physiol Actions

Norfloxacin blocks DNA replication by interfering with an ATP-induced structural transition of DNA complexed with DNA gyrase (topoisomerase).
Mode of action: inhibits bacterial DNA replication
Antimicrobial spectrum: Gram-negative bacteria; less effective against Gram-positive bacteria

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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C Lee et al.
The American journal of medicine, 82(6B), 27-34 (1987-06-26)
The in vitro spectrum and potency of norfloxacin against both aerobic gram-negative and gram-positive bacteria, its limited activity against anaerobes, and the apparent difficulty organisms have in acquiring resistance to it, have provided a rationale for the clinical development of
A J Schaeffer
European urology, 17 Suppl 1, 19-23 (1990-01-01)
In seven studies of complicated and recurrent urinary tract infections, 285 patients were treated with norfloxacin 400 mg b.i.d. for 7-90 days. The majority of the patients were men, and many were elderly. Underlying diseases included nephrolithiasis, pyelonephritis, prostatism, bacterial
Nour El-Houda Jlili et al.
Journal of medical microbiology, 63(Pt 2), 195-202 (2013-11-07)
The prevalence of plasmid-mediated quinolone resistance genes [qnr, aac(6')-Ib-cr and qepA] was sought among Enterobacteriaceae strains obtained from the Children's Hospital of Tunis (Tunisia). Non-duplicate isolates (n = 278) with resistance to extended-spectrum cephalosporins and collected in 2003, 2007, 2008 and 2009
G E Stein
The American journal of medicine, 82(6B), 18-21 (1987-06-26)
The pharmacokinetic profile of norfloxacin, an oral fluoroquinolone, is more complex than that of many antibacterial agents. Following administration of a 400-mg dose, peak serum concentrations of 1.5 to 2.0 micrograms/ml are achieved within one to two hours. The drug
Jessica M A Blair et al.
The Journal of antimicrobial chemotherapy, 70(2), 424-431 (2014-10-08)
Enterobacteriaceae have multiple efflux pumps that confer intrinsic resistance to antibiotics. AcrB mediates clinically relevant multidrug resistance and is required for virulence and biofilm formation, making it an attractive target for the design of inhibitors. The aim of this study

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