API Impurities
Norfloxacin
Chemical Name: 1-Ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl...
CAS No:
70458-96-7
Molecular Formula: C16H18FN3O3
Molecular Weight: 319.33
CAT No:
ALL-NORF-1
Keywords: Norfloxacin, 1-Ethyl-6-fluoro-4-oxo-7-(p...
Inventory Status:
Norfloxacin EP Impurity A
Chemical Name: 7-Chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihy...
CAS No:
68077-26-9
Molecular Formula: C12H9ClFNO3
Molecular Weight: 269.66
CAT No:
ALL-NORF-2
Keywords: Norfloxacin EP Impurity A, 7-Chloro-1-et...
Inventory Status:
Norfloxacin EP Impurity B / Norfloxacin Desethylene Impurity / Norfloxacin Ethylenediamine Analog
Chemical Name: 7-[(2-Aminoethyl)amino]-1-ethyl-6-fluoro...
CAS No:
75001-77-3
Molecular Formula: C14H17ClFN3O3
Molecular Weight: 329.75
CAT No:
ALL-NORF-3
Keywords: Norfloxacin EP Impurity B / Norfloxacin ...
Inventory Status:
Norfloxacin EP Impurity C / Norfloxacin Dipiperazine Impurity
Chemical Name: 1-Ethyl-4-oxo-6,7-bis(piperazin-1-yl)-1,...
CAS No:
NA
Molecular Formula: C15H18FN3O
Molecular Weight: 275.32
CAT No:
ALL-NORF-4
Keywords: Norfloxacin EP Impurity C / Norfloxacin ...
Inventory Status:
Norfloxacin EP Impurity D / Norfloxacin Descarboxy Impurity
Chemical Name: 1-Ethyl-6-fluoro-7-(piperazin-1-yl)quino...
CAS No:
75001-82-0
Molecular Formula: C15H18FN3O
Molecular Weight: 275.32
CAT No:
ALL-NORF-5
Keywords: Norfloxacin EP Impurity D / Norfloxacin ...
Inventory Status:
Norfloxacin EP Impurity E / Norfloxacin HCl 7-Chloro Analog
Chemical Name: 7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl...
CAS No:
75001-78-4
Molecular Formula: C16H18ClN3O3 . HCl
Molecular Weight: 335.79 (base)
CAT No:
ALL-NORF-6
Keywords: Norfloxacin EP Impurity E / Norfloxacin ...
Inventory Status:
Norfloxacin EP Impurity F / Norfloxacin 6-Chloro Analog
Chemical Name: 6-Chloro-1-ethyl-4-oxo-7-(piperazin-1-yl...
CAS No:
67681-86-1 (HCl salt)
Molecular Formula: C16H18ClN3O3
Molecular Weight: 335.79
CAT No:
ALL-NORF-7
Keywords: Norfloxacin EP Impurity F / Norfloxacin ...
Inventory Status:
Norfloxacin EP Impurity G / Norfloxacin N-Formyl Impurity
Chemical Name: 1-Ethyl-6-fluoro-7-(4-formylpiperazin-1-...
CAS No:
70459-04-0
Molecular Formula: C17H18FN3O4
Molecular Weight: 347.34
CAT No:
ALL-NORF-8
Keywords: Norfloxacin EP Impurity G / Norfloxacin ...
Inventory Status:
Norfloxacin EP Impurity H / Norfloxacin N-Ethoxycarbonyl Impurity
Chemical Name: 7-[4-(Ethoxycarbonyl)piperazin-1-yl]-1-e...
CAS No:
105440-01-5
Molecular Formula: C19H22FN3O5
Molecular Weight: 391.39
CAT No:
ALL-NORF-9
Keywords: Norfloxacin EP Impurity H / Norfloxacin ...
Inventory Status:
Norfloxacin EP Impurity I
Chemical Name: 7-Chloro-6-[4-(ethoxycarbonyl)piperazin-...
CAS No:
NA
Molecular Formula: C19H22ClN3O5
Molecular Weight: 407.85
CAT No:
ALL-NORF-10
Keywords: Norfloxacin EP Impurity I, 7-Chloro-6-[4...
Inventory Status:
Norfloxacin EP Impurity J
Chemical Name: 6,7-bis[4-(Ethoxycarbonyl)piperazin-1-yl...
CAS No:
NA
Molecular Formula: C26H35N5O7
Molecular Weight: 529.59
CAT No:
ALL-NORF-11
Keywords: Norfloxacin EP Impurity J, 6,7-bis[4-(Et...
Inventory Status:
Norfloxacin EP Impurity K / Norfloxacin USP RC K / Norfloxacin N-Methyl Analog
Chemical Name: 6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-y...
CAS No:
70459-07-3
Molecular Formula: C15H16FN3O3
Molecular Weight: 305.3
CAT No:
ALL-NORF-12
Keywords: Norfloxacin EP Impurity K / Norfloxacin ...
Inventory Status: