Nalidixic Acid (CAS 389-08-2) Sigma-Aldrich

Nalidixic Acid molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of Nalidixic Acid (CAS 389-08-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	389-08-2
Molecular formula	C12H12N2O3
Molecular weight	232.24 g/mol
IUPAC name	1-ethyl-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid
Synonyms	Nalidixin · NegGram · Nevigramon · Nalidixan · Nalidic acid · Nalidixinic acid

Safety & Hazards (GHS) Danger

Health hazard

H317 May cause an allergic skin reaction
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	NALIDIXIC ACID	97023-100MG	Request Quote
Sigma	NALIDIXIC ACID FREE ACID	N8878-100G N8878-25G N8878-5G	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.