Impurity Standards

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Ofloxacin EP Impurity B

Product Code:
DH/OFX/1002
Molecular Formula:
C17H20FN3O2
CAS Number:
123155-82-8
Molecular Weight:
317.36
Synonyms: Ofloxacin Descarboxyl Impurity ; (RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine


Ofloxacin EP Impurity C

Product Code:
OFX/1003
Molecular Formula:
C18H21N3O4
CAS Number:
95848-94-5
Molecular Weight:
343.38
Synonyms: (RS)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ;Ofloxacin Desfluoro Impurity


Ofloxacin EP Impurity D

Product Code:
DH/OFX/1004
Molecular Formula:
C18H20FN3O4
CAS Number:
197291-75-1
Molecular Weight:
361.37
Synonyms: Ofloxacin 10-Fluoro Isomer ; (RS)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid


Ofloxacin EP Impurity E

Product Code:
DH/OFX/1005
Molecular Formula:
C17H18FN3O4
CAS Number:
82419-52-1
Molecular Weight:
347.34
Synonyms: Ofloxacin USP Related Compound A ; N-Desmethyl Ofloxacin ; (RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid


Ofloxacin EP Impurity F

Product Code:
DH/OFX/1006
Molecular Formula:
C18H20FN3O5
CAS Number:
104721-52-0
Molecular Weight:
377.37
Synonyms: Ofloxacin N-Oxide ; (RS)-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


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