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97023

Nalidixic acid

analytical standard

Synonym(s):

1,4-Dihydro-1-ethyl-7-methyl-1,8-naphthyridin-4-one-3-carboxylic acid, 1-Ethyl-1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C12H12N2O3
CAS Number:
389-08-2
Molecular Weight:
232.24
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329770542
EC Number:
206-864-7
Beilstein/REAXYS Number:
750515
MDL number:
MFCD00006884
Technical Service
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grade

analytical standard

Quality Level

100

assay

≥97.0% (TLC), ≥99.0% (T)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

mp

227-229 °C (lit.)

application(s)

clinical testing

format

neat

storage temp.

2-8°C

SMILES string

CCN1C=C(C(O)=O)C(=O)c2ccc(C)nc12

InChI

1S/C12H12N2O3/c1-3-14-6-9(12(16)17)10(15)8-5-4-7(2)13-11(8)14/h4-6H,3H2,1-2H3,(H,16,17)

InChI key

MHWLWQUZZRMNGJ-UHFFFAOYSA-N

General description

Chemical structure: quinolone

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

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pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

hcodes

H302,H351

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN2045
BCCL8817
BCCM2318
BCCG3822
BCCD8640

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Christopher M Parry
Transactions of the Royal Society of Tropical Medicine and Hygiene, 98(7), 413-422 (2004-05-13)
Multidrug-resistant (MDR) Salmonella Typhi (resistant to chloramphenicol, ampicillin, and trimethoprim-sulphamethoxazole) and isolates with reduced susceptibility to fluoroquinolones (indicated by resistance to nalidixic acid, NaR) have caused epidemics and become endemic in southern Viet Nam during the 1990s. Short courses of
Robert J Commons et al.
The Medical journal of Australia, 196(5), 332-336 (2012-03-22)
To determine incidence and trends in antibiotic resistance in Australian Salmonella enterica subspecies enterica serovars Typhi (S. Typhi) and Paratyphi (S. Paratyphi) isolates over the past 26 years. A retrospective analysis of consecutive microbiologically confirmed enteric fever isolates. All S.
Migla Miskinyte et al.
Antimicrobial agents and chemotherapy, 57(1), 189-195 (2012-10-24)
Mutations causing antibiotic resistance usually incur a fitness cost in the absence of antibiotics. The magnitude of such costs is known to vary with the environment. Little is known about the fitness effects of antibiotic resistance mutations when bacteria confront
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