Levofloxacin

Levofloxacin N-Oxide Levofloxacin N-Oxide :

(-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N-oxide ; CAS : 117678-37-2 ; C18H20FN3O5 ; MW: 377.37 ;
Levofloxacin R-Isomer Levofloxacin R-Isomer:

 

(+)-(R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ;  CAS : 100986-86-5 ; C18H20FN3O4 ; MW: 361.37 ;
Levofloxacin USP RC A Levofloxacin RC A:

 

(-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ; CAS : 117707-40-1 ; C17H18FN3O4 ; MW: 347.34 ;
Levofloxacin USP RC B Levofloxacin  RC B:

 

(S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid ; CAS : 100986-89-8 ; C13H9F2NO4 ; MW: 281.21 ;
Levofloxacin USP RC C Levofloxacin  RC C :

Ethyl (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate ; CAS : 177472-30-9 ; C20H24FN3O4 ; MW: 389.42 ;
Levofloxacin USP RC E Levofloxacin RC E:

 

Levofloxacin Desethylene Impurity ; N,N-Desethylene Levofloxacin Hydrochloride ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-[2-(methylamino)ethylamino]-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl�; CAS : 1346603-62-0 ; C16H19ClFN3O4 ; MW: 371.79 ;
 
Levofloxacin N-Oxide Levofloxacin N-Oxide :

(-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N-oxide ; CAS : 117678-37-2 ; C18H20FN3O5 ; MW: 377.37 ;
 
Levofloxacin Ethyl Ester Levofloxacin Ethyl Ester :

(3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester ;
C₂₀H₂₄FN₃O₄ ; MW: 389.42 ;