英文名稱
7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid, 90%
7-氯-1-乙基-6-氟-4-氧代-1,4-二氫喹啉-3-羧酸
Smiles Code
CCN1C=C(C(=O)O)C(=O)c2cc(F)c(Cl)cc12
White to Pale Yellow Solid
DMSO (Slightly, Heated), Methanol (Slightly, Heated)
Standards; Pharmaceutical/API Drug Impurities/Metabolites;
7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid (Norfloxacin EP Impurity A) is a Norfloxacin intermediate. Norfloxacin EP Impurity A