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Pharmaceutical Reference Standards

Levofloxacin Hemihydrate

Picture of Levofloxacin Hemihydrate
CAT No: SZ-L020000
CAS No: 138199-71-0
Mol.F. : C18H20FN3O4 : 1/2H2O
Mol.Wt. : 361.4 : 1/2(18.0)
Inv. Status: In Stock
Rel. CAS No : 100986-85-4 (free base) ; 177325-13-2 (HCl salt)
SZ-L020000
CAS No:138199-71-0
Mol.F.: C18H20FN3O4 : 1/2H2O
Mol.Wt.: 361.4 : 1/2(18.0)
Inv. Status: In Stock
Rel. CAS No : 100986-85-4 (free base) ; 177325-13-2 (HCl salt)

Levofloxacin EP Impurity B

Picture of Levofloxacin EP Impurity B
CAT No: SZ-L020001
CAS No: 117707-40-1
Mol.F. : C17H18FN3O4
Mol.Wt. : 347.3
Inv. Status: In Stock
SZ-L020001
CAS No:117707-40-1
Mol.F.: C17H18FN3O4
Mol.Wt.: 347.3
Inv. Status: In Stock

Levofloxacin EP Impurity F

Picture of Levofloxacin EP Impurity F
CAT No: SZ-L020002
CAS No: 100986-89-8
Mol.F. : C13H9F2NO4
Mol.Wt. : 281.2
Inv. Status: In Stock
SZ-L020002
CAS No:100986-89-8
Mol.F.: C13H9F2NO4
Mol.Wt.: 281.2
Inv. Status: In Stock

Levofloxacin EP Impurity H

Picture of Levofloxacin EP Impurity H
CAT No: SZ-L020003
CAS No: 177472-30-9
Mol.F. : C20H24FN3O4
Mol.Wt. : 389.4
Inv. Status: In Stock
SZ-L020003
CAS No:177472-30-9
Mol.F.: C20H24FN3O4
Mol.Wt.: 389.4
Inv. Status: In Stock

Levofloxacin EP Impurity D

Picture of Levofloxacin EP Impurity D
CAT No: SZ-L020004
CAS No: 117620-85-6
Mol.F. : C18H21N3O4
Mol.Wt. : 343.4
Inv. Status: In Stock
SZ-L020004
CAS No:117620-85-6
Mol.F.: C18H21N3O4
Mol.Wt.: 343.4
Inv. Status: In Stock

Levofloxacin EP Impurity I 

Picture of Levofloxacin EP Impurity I 
CAT No: SZ-L020005
CAS No: 178912-62-4
Mol.F. : C18H20FN3O4
Mol.Wt. : 361.4
Inv. Status: In Stock
SZ-L020005
CAS No:178912-62-4
Mol.F.: C18H20FN3O4
Mol.Wt.: 361.4
Inv. Status: In Stock

Levofloxacin EP Impurity E 

Picture of Levofloxacin EP Impurity E 
CAT No: SZ-L020006
CAS No: 178964-53-9
Mol.F. : C17H20FN3O2
Mol.Wt. : 317.4
Inv. Status: In Stock
SZ-L020006
CAS No:178964-53-9
Mol.F.: C17H20FN3O2
Mol.Wt.: 317.4
Inv. Status: In Stock

Levofloxacin EP Impurity A

Picture of Levofloxacin EP Impurity A
CAT No: SZ-L020008
CAS No: 100986-86-5
Mol.F. : C18H20FN3O4
Mol.Wt. : 361.4
Inv. Status: Custom Synthesis
SZ-L020008
CAS No:100986-86-5
Mol.F.: C18H20FN3O4
Mol.Wt.: 361.4
Inv. Status: Custom Synthesis

Levofloxacin Impurity 1

Picture of Levofloxacin Impurity 1
CAT No: SZ-L020009
CAS No: 117620-84-5
Mol.F. : C13H10FNO4
Mol.Wt. : 263.2
Inv. Status: In Stock
SZ-L020009
CAS No:117620-84-5
Mol.F.: C13H10FNO4
Mol.Wt.: 263.2
Inv. Status: In Stock

Levofloxacin EP Impurity G (HCl salt)

Picture of Levofloxacin EP Impurity G (HCl salt)
CAT No: SZ-L020010
CAS No: 1346603-62-0
Mol.F. : C16H18FN3O4 : HCl
Mol.Wt. : 335.3 : 36.5
Inv. Status: In Stock
Rel. CAS No : 151250-76-9 (free base)
Rel. CAT No : SZ-L020025,
SZ-L020010
CAS No:1346603-62-0
Mol.F.: C16H18FN3O4 : HCl
Mol.Wt.: 335.3 : 36.5
Inv. Status: In Stock
Rel. CAS No : 151250-76-9 (free base)

Levofloxacin EP Impurity C

Picture of Levofloxacin EP Impurity C
CAT No: SZ-L020011
CAS No: 117678-38-3
Mol.F. : C18H20FN3O5
Mol.Wt. : 377.4
Inv. Status: In Stock
SZ-L020011
CAS No:117678-38-3
Mol.F.: C18H20FN3O5
Mol.Wt.: 377.4
Inv. Status: In Stock

Levofloxacin Diamine Impurity

Picture of Levofloxacin Diamine Impurity
CAT No: SZ-L020012
CAS No: 1797099-76-3
Mol.F. : C15H16FN3O4 : HCl
Mol.Wt. : 321.3 : 36.5
Inv. Status: In Stock
Rel. CAS No : 1797510-34-9 (free base)
SZ-L020012
CAS No:1797099-76-3
Mol.F.: C15H16FN3O4 : HCl
Mol.Wt.: 321.3 : 36.5
Inv. Status: In Stock
Rel. CAS No : 1797510-34-9 (free base)

Levofloxacin Impurity 2

Picture of Levofloxacin Impurity 2
CAT No: SZ-L020013
CAS No: NA
Mol.F. : C18H22FN3O4
Mol.Wt. : 363.4
Inv. Status: Custom Synthesis
SZ-L020013
CAS No:NA
Mol.F.: C18H22FN3O4
Mol.Wt.: 363.4
Inv. Status: Custom Synthesis

Levofloxacin Impurity 3

Picture of Levofloxacin Impurity 3
CAT No: SZ-L020014
CAS No: 106939-30-4
Mol.F. : C19H22FN3O4
Mol.Wt. : 375.4
Inv. Status: In Stock
SZ-L020014
CAS No:106939-30-4
Mol.F.: C19H22FN3O4
Mol.Wt.: 375.4
Inv. Status: In Stock

Levofloxacin Impurity 4

Picture of Levofloxacin Impurity 4
CAT No: SZ-L020015
CAS No: 2489671-28-3
Mol.F. : C18H20FN3O4
Mol.Wt. : 361.4
Inv. Status: Under Synthesis
SZ-L020015
CAS No:2489671-28-3
Mol.F.: C18H20FN3O4
Mol.Wt.: 361.4
Inv. Status: Under Synthesis

Levofloxacin Impurity 5

Picture of Levofloxacin Impurity 5
CAT No: SZ-L020016
CAS No: NA
Mol.F. : C20H24FN3O4
Mol.Wt. : 389.4
Inv. Status: Custom Synthesis
SZ-L020016
CAS No:NA
Mol.F.: C20H24FN3O4
Mol.Wt.: 389.4
Inv. Status: Custom Synthesis

Levofloxacin Impurity 6

Picture of Levofloxacin Impurity 6
CAT No: SZ-L020017
CAS No: NA
Mol.F. : C19H21ClFN3O4
Mol.Wt. : 409.8
Inv. Status: Under Synthesis
SZ-L020017
CAS No:NA
Mol.F.: C19H21ClFN3O4
Mol.Wt.: 409.8
Inv. Status: Under Synthesis

Levofloxacin Related compound 7

Picture of Levofloxacin Related compound 7
CAT No: SZ-L020018
CAS No: 1348712-95-7
Mol.F. : C16H17FN2O4
Mol.Wt. : 320.3
Inv. Status: Custom Synthesis
SZ-L020018
CAS No:1348712-95-7
Mol.F.: C16H17FN2O4
Mol.Wt.: 320.3
Inv. Status: Custom Synthesis

Levofloxacin Impurity 7

Picture of Levofloxacin Impurity 7
CAT No: SZ-L020021
CAS No: 1430222-73-3
Mol.F. : C16H18FN3O2
Mol.Wt. : 303.3
Inv. Status: Custom Synthesis
SZ-L020021
CAS No:1430222-73-3
Mol.F.: C16H18FN3O2
Mol.Wt.: 303.3
Inv. Status: Custom Synthesis

Levofloxacin Impurity 8

Picture of Levofloxacin Impurity 8
CAT No: SZ-L020022
CAS No: 151250-74-7
Mol.F. : C13H11FN2O4
Mol.Wt. : 278.2
Inv. Status: Custom Synthesis
SZ-L020022
CAS No:151250-74-7
Mol.F.: C13H11FN2O4
Mol.Wt.: 278.2
Inv. Status: Custom Synthesis

Levofloxacin

Picture of Levofloxacin
CAT No: SZ-L020023
CAS No: 100986-85-4
Mol.F. : C18H20FN3O4
Mol.Wt. : 361.4
Inv. Status: Custom Synthesis
Rel. CAS No : 138199-71-0 (hemihydrate) ; 177325-13-2 (HCl salt)
SZ-L020023
CAS No:100986-85-4
Mol.F.: C18H20FN3O4
Mol.Wt.: 361.4
Inv. Status: Custom Synthesis
Rel. CAS No : 138199-71-0 (hemihydrate) ; 177325-13-2 (HCl salt)

Levofloxacin Impurity 9

Picture of Levofloxacin Impurity 9
CAT No: SZ-L020024
CAS No: 157766-27-3
Mol.F. : C11H9F3O3
Mol.Wt. : 246.2
Inv. Status: Custom Synthesis
SZ-L020024
CAS No:157766-27-3
Mol.F.: C11H9F3O3
Mol.Wt.: 246.2
Inv. Status: Custom Synthesis

Levofloxacin EP Impurity G

Picture of Levofloxacin EP Impurity G
CAT No: SZ-L020025
CAS No: 151250-76-9
Mol.F. : C16H18FN3O4
Mol.Wt. : 335.3
Inv. Status: Custom Synthesis
Rel. CAS No : 1346603-62-0 (HCl salt)
Rel. CAT No : SZ-L020010,
SZ-L020025
CAS No:151250-76-9
Mol.F.: C16H18FN3O4
Mol.Wt.: 335.3
Inv. Status: Custom Synthesis
Rel. CAS No : 1346603-62-0 (HCl salt)

Stable Isotopes And Metabolites

Levofloxacin D8

Picture of Levofloxacin D8
CAT No: SZ-L020D01
CAS No: 1217716-71-6
Mol.F. : C18H12D8FN3O4
Mol.Wt. : 369.4
Inv. Status: Custom Synthesis
SZ-L020D01
CAS No:1217716-71-6
Mol.F.: C18H12D8FN3O4
Mol.Wt.: 369.4
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso-Levofloxacin impurity-1

Picture of N-Nitroso-Levofloxacin impurity-1
CAT No: SZ-L020019
CAS No: 1152314-62-9
Mol.F. : C17H17FN4O5
Mol.Wt. : 376.3
Inv. Status: In Stock
SZ-L020019
CAS No:1152314-62-9
Mol.F.: C17H17FN4O5
Mol.Wt.: 376.3
Inv. Status: In Stock

N-Nitroso-Levofloxacin impurity-2

Picture of N-Nitroso-Levofloxacin impurity-2
CAT No: SZ-L020020
CAS No: NA
Mol.F. : C15H15FN4O5 : HCl
Mol.Wt. : 350.3 : 36.5
Inv. Status: In Stock
SZ-L020020
CAS No:NA
Mol.F.: C15H15FN4O5 : HCl
Mol.Wt.: 350.3 : 36.5
Inv. Status: In Stock