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  • Levofloxacin

Levofloxacin Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Levofloxacin, pharmacopeial and non-pharmacopeial Levofloxacin impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Levofloxacin impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Levofloxacin-related products are thoroughly characterized. Levofloxacin products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

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: In Stock
Rel. CAT No : SZ-O005010,
SZ-L020008
CAS No:100986-86-5
Mol.F.: C18H20FN3O4
Mol.Wt.: 361.4
Inv. Status: In Stock

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

N-Ethyl Levofloxacin

Picture of N-Ethyl Levofloxacin
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: Custom Synthesis
Rel. CAT No : SZ-O005013,
SZ-L020015
CAS No:2489671-28-3
Mol.F.: C18H20FN3O4
Mol.Wt.: 361.4
Inv. Status: Custom Synthesis

Levofloxacin Impurity 5

Picture of Levofloxacin Impurity 5
CAT No: SZ-L020016
CAS No: 2489671-30-7
Mol.F. : C20H24FN3O4
Mol.Wt. : 389.4
Inv. Status: Custom Synthesis
SZ-L020016
CAS No:2489671-30-7
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: Custom Synthesis
SZ-L020017
CAS No:NA
Mol.F.: C19H21ClFN3O4
Mol.Wt.: 409.8
Inv. Status: Custom 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 Desethylene Diformyl Impurity

Picture of Levofloxacin Desethylene Diformyl Impurity
CAT No: SZ-L020027
CAS No: 151377-74-1
Mol.F. : C18H18FN3O6
Mol.Wt. : 391.4
Inv. Status: Custom Synthesis
SZ-L020027
CAS No:151377-74-1
Mol.F.: C18H18FN3O6
Mol.Wt.: 391.4
Inv. Status: Custom Synthesis

Levofloxacin Impurity 10

Picture of Levofloxacin Impurity 10
CAT No: SZ-L020028
CAS No: 106939-34-8
Mol.F. : C15H13F2NO4
Mol.Wt. : 309.3
Inv. Status: Custom Synthesis
SZ-L020028
CAS No:106939-34-8
Mol.F.: C15H13F2NO4
Mol.Wt.: 309.3
Inv. Status: Custom Synthesis

N-Desmethyl Levofloxacin (R-isomer)

Picture of N-Desmethyl Levofloxacin (R-isomer)
CAT No: SZ-L020029
CAS No: 117707-39-8
Mol.F. : C17H18FN3O4
Mol.Wt. : 347.3
Inv. Status: Custom Synthesis
SZ-L020029
CAS No:117707-39-8
Mol.F.: C17H18FN3O4
Mol.Wt.: 347.3
Inv. Status: Custom Synthesis

Levofloxacin Impurity 11

Picture of Levofloxacin Impurity 11
CAT No: SZ-L020031
CAS No: 889110-57-0
Mol.F. : C14H11F2NO4
Mol.Wt. : 295.2
Inv. Status: Custom Synthesis
SZ-L020031
CAS No:889110-57-0
Mol.F.: C14H11F2NO4
Mol.Wt.: 295.2
Inv. Status: Custom Synthesis

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

N-Nitroso Levofloxacin-D8

Picture of N-Nitroso Levofloxacin-D8
CAT No: SZ-L020D02
CAS No: NA
Mol.F. : C17H9D8FN4O5
Mol.Wt. : 384.4
Inv. Status: Custom Synthesis
SZ-L020D02
CAS No:NA
Mol.F.: C17H9D8FN4O5
Mol.Wt.: 384.4
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Levofloxacin EP Impurity B

Picture of N-Nitroso Levofloxacin EP Impurity B
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

N-Nitroso Levofloxacin Impurity 3

Picture of N-Nitroso Levofloxacin Impurity 3
CAT No: SZ-L020026
CAS No: NA
Mol.F. : C15H14F4N2O5
Mol.Wt. : 378.3
Inv. Status: Custom Synthesis
SZ-L020026
CAS No:NA
Mol.F.: C15H14F4N2O5
Mol.Wt.: 378.3
Inv. Status: Custom Synthesis

N-Nitroso Levofloxacin Impurity 4

Picture of N-Nitroso Levofloxacin Impurity 4
CAT No: SZ-L020030
CAS No: NA
Mol.F. : C15H14FN3O5
Mol.Wt. : 335.3
Inv. Status: Custom Synthesis
SZ-L020030
CAS No:NA
Mol.F.: C15H14FN3O5
Mol.Wt.: 335.3
Inv. Status: Custom Synthesis

N,N-Dinitroso Levofloxacin EP Impurity G

Picture of N,N-Dinitroso Levofloxacin EP Impurity G
CAT No: SZ-L020033
CAS No: NA
Mol.F. : C16H16FN5O6
Mol.Wt. : 393.3
Inv. Status: Under Synthesis
SZ-L020033
CAS No:NA
Mol.F.: C16H16FN5O6
Mol.Wt.: 393.3
Inv. Status: Under Synthesis