Nalidixic acid

Supplier: RPI
Danger

Synonyms: 1-Ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid

N42000-1000.0 N42000-5.0 N42000-5000.0 N42000-25.0
77510-360EA 4905 USD
77510-360 76347-288 76347-290 76347-292
Nalidixic acid
Nalidixic acid

Nalidixic Acid Sodium Salt is a chemical compound that is used for its antimicrobial properties and has various applications in microbiology, and pharmaceutical research. Nalidixic Acid Sodium Salt is employed as a reference standard and selective agent in microbiological culture media. It inhibits the growth of susceptible bacteria, making it a valuable tool for studying bacterial susceptibility and resistance patterns.


Researchers use it to assess the effectiveness of antibiotics against different bacterial strains, contributing to our understanding of microbial biology and antibiotic resistance.


In pharmaceutical research, Nalidixic Acid Sodium Salt can be used as a reference standard for antibiotic testing and formulation. It supports the development and optimization of antibiotics and strategies to combat antibiotic-resistant bacteria.


Caution: Research or further manufacturing use only, not for food or drug use.

Formula: C₁₂H₁₂N₂O₃
MW: 232.24
Melting Pt: 227 - 229 °C
Storage Temperature: Room Temperature
MDL Number: MFCD00006884
CAS Number: 389-08-2
EINECS: 206-864-7

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Specification Test Results

Appearance White to very pale yellow, odorless crystalline powder
Solubility Soluble in chloroform, in methylene chloride, and in solution of fixed alkali hydroxides and carbonates; slightly soluble in acetone, in alcohol, in methanol and in toluene; very slightly soluble in ether and in water.
Identification (Infrared Absorption) Complies
Identification (Ultraviolet Absorption) @258nm on dry basis ≤ 3.0
Melting Range 225 - 231 oC
Loss on Drying ≤ 0.5 %
Residue on Ignition ≤ 0.1 %
Chromatographic Purity (By TLC) Complies
Assay (Dry Basis) 99.0 - 101.0 %
BSE/TSE Free Conforms
Grade The material complies as per USP specification.

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