| Fesoterodine Impurity 10 | 214601-12-4 | C22H29NO2 |
| Fesoterodine Impurity 11 | 1254942-29-4 | C30H39NO6 |
| Fesoterodine Impurity 13 | 1428856-45-4 | C44H60N2O3 |
| Fesoterodine Impurity 17 | 124937-51-5 | C22H31NO |
| Fesoterodine Impurity 19 | 1795786-25-2 | C30H43NO4 |
| Fexofenadine | 83799-24-0 | C32H39NO4 |
| Fexofenadine EP Impurity A | 76811-98-8 | C32H37NO4 |
| Fexofenadine EP Impurity B | 479035-75-1 | C32H39NO4 |
| Fexofenadine EP Impurity C | 185066-37-9 | C31H39NO2 |
| Fexofenadine EP Impurity D | 154825-96-4 | C33H41NO4 |
| Fexofenadine EP Impurity E | 115-46-8 | C18H21NO |
| Fexofenadine EP Impurity F | 185066-33-5 | C31H37NO4 |
| Fexofenadine EP Impurity G | 1187954-57-9 | C32H37NO3 |
| Fexofenadine Hydrochloride Imp. A (EP): 2-[4-[4-[4-(Hydroxydiphenyl- methyl)piperidin-1-yl]butanoyl]phenyl]-2- methylpropanoic Acid (Ketofexofenadine) | 76811-98-8 | C32H37NO4 |
| Fexofenadine Hydrochloride Imp. C (EP): (1RS)-4-[4-(Hydroxydiphenyl- methyl)piperidin-1-yl]-1-[4-(1-methylethyl)- phenyl]butan-1-ol | 185066-37-9 | C31H39NO2 |
| Fexofenadine Hydrochloride Imp. D (EP): Methyl 2-[4-[(1RS)-1-Hydroxy-4-[4- (hydroxydiphenylmethyl)piperidin-1-yl]-butyl]phenyl]-2- methylpropanoate (Fexofenadine Methyl Ester) | 154825-96-4 | C33H41NO4 |
| Fexofenadine Hydrochloride Imp. E (EP): Diphenyl(piperidin-4-yl)methanol | 115-46-8 | C18H21NO |
| Fexofenadine Impurity 8 | 169032-17-1 | C14H16ClNO |
| Fexofenadine Impurity 11 | 169280-21-1 | C14H17ClO3 |
| Fexofenadine Impurity 12 | 1038-06-8 | C18H20N2O2 |
| Fexofenadine Impurity 15 | 169280-25-5 | C14H19ClO2 |
| Fexofenadine impurity A | 76811-98-8 | C32H37NO4 |
| Fexofenadine impurity B | 479035-75-1 | C32H39NO4 |
| Fexofenadine impurity C | 185066-37-9 | C31H39NO2 |
| Fexofenadine impurity C | 185066-37-9 | C31H39NO2 |
| Fexofenadine impurity standard | 153439-40-8 | C32H40ClNO4 |
| Fexofenadine methyl ester | 154825-96-4 | C33H41NO4 |
| Fexofenadine N-Oxide | 1422515-52-3 | C32H39NO5 |
| Fexofenadine N-Oxide Hydrochloride | Not available | C32H40ClNO5 |
| Fexofenadine Related Compound C | 185066-37-9 | C31H39NO2 |
| Fexofenadine-d6 Methyl Ester | 1286458-00-1 | C33H41NO4 |
| Fimasartan Impurity A | 1315478-13-7 | C13H21N3O2 |
| Fimasartan Impurity C | 1361024-52-3 | C46H45N7OS |
| Fimasartan Impurity D | 503155-67-7 | C46H45N7O2 |
| Fimasartan Impurity E | 178554-19-3 | C27H31N7O2 |
| Fimasartan Impurity L | 76-84-6 | C19H16O |
| Fimasartan Impurity M | 596-31-6 | C20H18O |
| Finasteride Acid | 104239-97-6 | C19H27NO3 |
| Finasteride EP Impurity A | 98319-24-5 | C23H38N2O2 |
| Finasteride EP Impurity B | 103335-41-7 | C20H29NO3 |
| Finasteride EP Impurity C | 1800205-94-0 | C23H34N2O2 |
| Finasteride for peak identification | 98319-26-7 | C23H36N2O2 |
| Finasteride Imp. A (EP): N-(1,1-Dimethylethyl)-3-oxo- 4-aza-5 -androstane-17 -carboxamide (Dihydrofinasteride) | 98319-24-5 | C23H38N2O2 |
| Finasteride Imp. B (EP): Methyl 3-Oxo-4-aza-5 -androst- 1-ene-17 -carboxylate ( -1-Aza Ester) | 103335-41-7 | C20H29NO3 |
| Finasteride Impurity 3 | 140375-22-0 | C23H36N2O2 |
| Finasteride Impurity 5 | 116285-37-1 | C23H34N2O4 |
| Finasteride Impurity 6 | 166896-74-8 | C23H36N2O2 |
| Finerenone | 1050477-31-0 | C21H22N4O3 |
| Finerenone Impurity 1 | 1050477-27-4 | C21H22N4O3 |
| Finerenone Impurity 2 | 1050477-30-9 | C21H22N4O3 |
| Finerenone Impurity 3 | 2389019-42-3 | C23H24N4O3 |
| Finerenone Impurity 4 | 2389019-43-4 | C23H24N4O3 |
| Finerenone Impurity 5 | 2389019-92-3 | C22H22N4O3 |
| Finerenone Impurity 6 | 2389019-93-4 | C22H22N4O3 |
| Finerenone Impurity 7 | 2389019-46-7 | C24H26N4O3 |
| Finerenone Impurity 8 | 2389019-47-8 | C24H26N4O3 |
| Finerenone Impurity 9 | 2389019-52-5 | C23H24N4O3 |
| Finerenone Impurity 10 | 2389019-44-5 | C24H26N4O3 |
| Finerenone Impurity 11 | 2389019-45-6 | C24H26N4O3 |
| Finerenone Impurity 12 | 2389019-62-7 | C25H28N4O3 |
| Finerenone Impurity 13 | 2389019-63-8 | C25H28N4O3 |
| Finerenone Impurity 14 | 2389019-53-6 | C23H24N4O3 |
| Finerenone Impurity 17 | 2389019-54-7 | C24H26N4O3 |
| Finerenone Impurity 18 | 2389019-55-8 | C24H26N4O3 |
| Finerenone Impurity 19 | 2389019-64-9 | C24H26N4O3 |
| Finerenone Impurity 20 | 2389019-65-0 | C24H26N4O3 |
| Finerenone Impurity 21 | 2389019-48-9 | C22H22N4O4 |
| Finerenone Impurity 22 | 2640280-85-7 | C22H24N4O3 |
| Finerenone Impurity 23 | 2084136-51-4 | C21H20N4O3 |
| Finerenone impurity 24 | 2640506-74-5 | C21H21N3O4 |
| Finerenone Impurity 24 | 2640280-82-4 | C22H26N4O4 |
| Finerenone impurity 25 | 21962-45-8 | C9H7NO2 |
| Finerenone Impurity 25 | 2640280-83-5 | C23H28N4O4 |
| Finerenone Impurity 27 | 2640280-84-6 | C20H20N4O3 |
| Finerenone Impurity 28 | 95306-64-2 | C6H8N2O |
| Finerenone Impurity 30 | 2640280-86-8 | C20H19N3O4 |
| Finerenone Impurity 31 | 2640280-87-9 | C22H23N3O4 |
| Finerenone impurity 42 | 914106-35-7 | C9H7Br2NO |
| Finerenone impurity 43 | 890038-13-8 | C9H9NO2 |
| Finerenone Impurity 49 | 2924224-42-8 | C24H22N4O4 |
| Finerenone Impurity 51 | 1050477-39-8 | C16H14N2O4 |
| Finerenone Impurity 52 | 1050477-43-4 | C22H20N4O4 |
| Finerenone Impurity 53 | 1050477-44-5 | C24H24N4O4 |
| Finerenone Impurity 55 | 84102-89-6 | C8H5NO2 |
| Finerenone Impurity 56 | 1289153-30-5 | C9H9NO3 |
| Finerenone Impurity 57 | 1545905-35-8 | C8H12N2O |
| Finerenone Impurity 59 | 63231-73-2 | C8H18O4S |
| Finerenone impurity 62 | 1870824-79-5 | C16H14N2O4 |
| Finerenone Impurity 66 | 1260883-35-9 | C6H8N2O |
| Finerenone impurity 70 | 1870824-80-8 | C16H14N2O4 |
| Fingolimod EP Impurity A | 1201794-93-5 | C17H29NO2 |
| Fingolimod EP Impurity B | 745767-97-9 | C18H31NO2 |
| Fingolimod EP Impurity C | 746594-44-5 | C20H35NO2 |
| Fingolimod EP Impurity D | 780729-32-0 | C21H37NO2 |
| Fingolimod EP impurity E | 851039-25-3 | C35H57NO2 |
| Fingolimod EP Impurity G | 1807973-92-7 | C21H35NO3 |
| Fingolimod EP Impurity H | 162358-09-0 | C25H39NO5 |
| Fingolimod EP Impurity I | 249289-10-9 | C21H35NO3 |
| Fingolimod for system suitability | 162359-55-9 | C19H33NO2 |
| Fingolimod Impurity 10 | 2147726-86-9 | C37H59NO4 |
| Fingolimod Impurity 11 | 1242271-26-6 | C35H63NO3 |
| Fingolimod Impurity 12 | 162359-24-2 | C19H33NO2 |
| Fingolimod impurity 12 | 1404233-80-2 | C20H36ClNO2 |
| Fingolimod Impurity 13 | 767262-51-1 | C19H33NO2 |
| Fingolimod impurity 15 | 168560-42-7 | C18H32ClNO |
| Fingolimod Impurity 15 | 2039-86-3 | C8H7Br |
| Fingolimod impurity 16 | 162358-08-9 | C25H39NO5 |
| Fingolimod impurity 17 | 177259-52-8 | C20H33NO2 |
| Fingolimod-d4 Hydrochloride | 1346604-90-7 | C19H34ClNO2 |
| Fipronil | 120068-37-3 | C12H4Cl2F6N4OS |
| Fipronil Detrifluoromethylsulfinyl | 120068-79-3 | C11H5Cl2F3N4 |
| Firibastat Impurity 1 | 648927-86-0 | C8H20N2O6S4 |
| Flavanone | 487-26-3 | C15H12O2 |
| Flavone | 525-82-6 | C15H10O2 |
| Flavonol impurities2 | 13191-64-5 | C30H18O12 |
| Flavopiridol | 146426-40-6 | C21H20ClNO5 |
| Flavoxate Hydrochloride Imp. B (EP): Ethyl 3-Methyl-4-oxo-2-phenyl- 4H-1-benzopyran-8-carboxylate (3-Methyl- flavone-8-carboxylic Acid Ethyl Ester) | 35888-94-9 | C19H16O4 |
| Flavoxate Hydrochloride Imp. C (EP): 1-Methylethyl 3-Methyl-4-oxo- 2-phenyl-4H-1-benzopyran-8-carboxylate (3-Methylflavone-8-carboxylic Acid Isopropyl Ester) | 1286165-14-7 | C20H18O4 |
| Flavoxate impurity A | 3468-01-7 | C17H12O4 |
| Flavoxate impurity B | 35888-94-9 | C19H16O4 |
| Flavoxate N-Oxide Hydrochloride | Not available | C24H26ClNO5 |
| Flavoxate N-Oxide Hydrochloride | 2732347-10-1 | C24H26ClNO5 |
| Flavoxate Related Compound A | 3468-01-7 | C17H12O4 |
| Flavoxate Related Compound B | 90101-87-4 | C18H14O4 |
| Flavoxate Related Compound C | 35888-94-9 | C19H16O4 |
| Flecainide | 54143-55-4 | C17H20F6N2O3 |
| Flecainide Acetate Imp. B (EP): (RS)-(Piperidin-2-yl)methanamine | 22990-77-8 | C6H14N2 |
| Flecainide Acetate Imp. D (EP): 2,5-Bis(2,2,2-trifluoroethoxy)- benzoic Acid | 35480-52-5 | C11H8F6O4 |
| Flecainide EP Impurity B | 22990-77-8 | C6H14N2 |
| Flecainide EP Impurity C | 152171-74-9 | C17H20F6N2O4 |
| Flecainide EP Impurity D | 35480-52-5 | C11H8F6O4 |
| Flecainide EP Impurity E | 57415-36-8 | C17H14F6N2O3 |
| Flecainide for system suitability | 54143-56-5 | C19H24F6N2O5 |
| Flecainide Impurity 4 | 91933-52-7 | C15H17F3N2O4 |
| Flecainide Impurity 5 | 83526-33-4 | C15H19F3N2O3 |
| Flecainide impurity A | Not available | C17H18F6N2O2 |
| Flecainide impurity B | 22990-77-8 | C6H14N2 |
| Flibanserin Impurity6 | 14678-81-0 | C10H10N2O |
| Flibanserin Impurity7 | 60568-46-9 | C10H10N2O |
| Flibanserin Impurity8 | 55470-74-1 | C11H12Cl2N2O |
| Flibanserin Impurity9 | 191977-79-4 | C20H20Cl2N4O2 |
| Flibanserin Impurity10 | 51299-16-2 | C24H28F6N4 |
| Flibanserin Impurity12 | 1971858-36-2 | C23H25F3N4O |
| Flibanserin Impurity13 | 52099-72-6 | C10H10N2O |
| Flomoxef Impurity 9 | 56610-81-2 | C3H6N4OS |
| Floprostenol succinate | 158930-09-7 | C18H23N3O5 |
| Floprostenol succinate Monohydrate | 158930-17-7 | C18H25N3O6 |
| Florfenicol-d3 Amine | Not available | C10H14FNO3S |
| Fluazinam impurity 1 | 169327-87-1 | C13H4Cl2F6N4O4 |
| Fluazinam impurity 2 | 79614-91-8 | C14H7ClF6N4O5 |
| Fluazinam impurity 3 | 175277-67-5 | C6H3Cl2F3N2 |
| Flubendazole for system suitability | 31430-15-6 | C16H12FN3O3 |
| Flubendazole Imp. B (EP): (2-Amino-1H-benzimidazol- 5-yl)(4-fluorophenyl)methanone | 82050-13-3 | C14H10FN3O |
| Flubendazole Imp. C (EP): (4-Fluorophenyl)(2-hydroxy- 1H-benzimidazol-5-yl)methanone | 1097107-40-8 | C14H9FN2O2 |
| Flubendazole Imp. E (EP): Methyl [5-(2-Fluorobenzoyl)- 1H-benzimidazol-2-yl]carbamate | 66939-00-2 | C16H12FN3O3 |
| Flubendazole Imp. F (EP): Methyl [5-(4-Fluorobenzoyl)- 1-methyl-1H-benzimidazol-2-yl]carbamate | 132119-20-1 | C17H14FN3O3 |
| Flucloxacillin | 5250-39-5 | C19H17ClFN3O5S |
| Flucloxacillin EP Impurity D | 3919-74-2 | C11H7ClFNO3 |
| Flucloxacillin impurity 5 | 866150-92-7 | C13H10ClFN2O4 |
| Flucloxacillin impurity C | 551-16-6 | C8H12N2O3S |
| Flucloxacillin impurity D | 3919-74-2 | C11H7ClFNO3 |
| Flucloxacillin impurity E | Not available | C27H27ClFN5O7S2 |
| Flucloxacillin Sodium Imp. A (EP) as Disodium Salt: (4S)-2- [Carboxy[[[3-(2-chloro-6-fluorophenyl)- 5-methylisoxazol-4-yl]carbonyl]amino]methyl]- 5,5-dimethylthiazolidine-4-carboxylic Acid Disodium Salt (Penicilloic Acids of Flucloxacillin Disodium Salt) | 68728-50-7 | C19H17ClFN3Na2O6S |
| Flucloxacillin Sodium Imp. C (EP): (2S,5R,6R)-6-Amino-3,3- dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]- heptane-2-carboxylic Acid (6-Aminopenicillanic Acid) | 551-16-6 | C8H12N2O3S |
| Flucloxacillin Sodium Imp. D (EP): 3-(2-Chloro-6-fluorophenyl)- 5-methylisoxazole-4-carboxylic Acid | 3919-74-2 | C11H7ClFNO3 |
| Flucloxacillin sodium impurity A | 68728-50-7 | C19H17ClFN3Na2O6S |
| Flucloxacillin sodium impurity B | 1276016-89-7 | C18H19ClFN3O4S |
| Flucofuron | 370-50-3 | C15H8Cl2F6N2O |
| Fluconazole EP Impurity A | 89429-59-4 | C13H12F2N6O |
| Fluconazole EP Impurity B | 871550-15-1 | C15H14FN9O |
| Fluconazole EP Impurity C | 514222-44-7 | C10H8N6 |
| Fluconazole EP Impurity D | 81886-51-3 | C13H13FN6O |
| Fluconazole EP Impurity E | 86404-63-9 | C10H7F2N3O |
| Fluconazole EP Impurity F | 118689-07-9 | C11H11F2N3O2 |
| Fluconazole EP impurity G | 86386-76-7 | C11H9F2N3O |
| Fluconazole EP Impurity G Mesylate | 86386-77-8 | C12H13F2N3O4S |
| Fluconazole EP Impurity H | 150194-52-8 | C11H10BrF2N3O |
| Fluconazole EP Impurity I | 150168-54-0 | C13H14BrF2N7O |
| Fluconazole for peak identification | 86386-73-4 | C13H12F2N6O |
| Fluconazole Imp. A (EP): (2RS)-2-(2,4-Difluorophenyl)- 1-(1H-1,2,4-triazol-1-yl)-3-(4H-1,2,4-triazol- 4-yl)propan-2-ol | 89429-59-4 | C13H12F2N6O |
| Fluconazole Imp. B (EP): 2-[2-Fluoro-4-(1H-1,2,4-triazol-1- yl)phenyl]-1,3-bis(1H-1,2,4-triazol-1-yl)propan- 2-ol | 871550-15-1 | C15H14FN9O |
| Fluconazole Imp. C (EP): 1,1'-(1,3-Phenylene)di-1H-1,2,4- triazole | 514222-44-7 | C10H8N6 |
| Fluconazole Imp. D (EP): 2-(4-Fluorophenyl)-1,3-bis(1H- 1,2,4-triazol-1-yl)propan-2-ol | 81886-51-3 | C13H13FN6O |
| Fluconazole Imp. E (EP): 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl) ethanone | 86404-63-9 | C10H7F2N3O |
| Fluconazole Imp. F (EP): (2RS)-2-(2,4-Difluorophenyl)-3- (1H-1,2,4-triazol-1-yl)propane-1,2-diol | 118689-07-9 | C11H11F2N3O2 |
| Fluconazole Imp. H (EP): (2RS)-1-Bromo-2-(2,4-difluorophenyl)- 3-(1H-1,2,4-triazol-1-yl)propan-2-ol | 150194-52-8 | C11H10BrF2N3O |
| Fluconazole Impurity 15 | 154534-83-5 | C10H9ClF2N4O |
| Fluconazole Impurity 17 | 1222655-38-0 | C14H14F2N6O |
| Fluconazole Impurity 18 | 1997296-62-4 | C13H12F2N6O2 |
| Fluconazole Impurity 24 | 6086-21-1 | C3H5N3 |
| Fluconazole Impurity 29 | 168479-96-7 | C10H7F2N3O |
| Fluconazole Impurity A | 89429-59-4 | C13H12F2N6O |
| Fluconazole impurity B | 871550-15-1 | C15H14FN9O |
| Fluconazole impurity C | 514222-44-7 | C10H8N6 |
| Fluconazole Impurity E | 86404-63-9 | C10H7F2N3O |
| Fluconazole Impurity G | 86386-76-7 | C11H9F2N3O |
| Fluconazole Impurity H | Not available | C11H10BrF2N3O |
| Fluconazole Impurity J | Not available | C13H13FN6O |
| Fluconazole Impurity K | 1348664-75-4 | C13H13FN6O |
| Fluconazole Impurity N | 98414-56-3 | C7H8N6O |
| Fluconazole impurity standard | 86386-73-4 | C13H12F2N6O |
| Fluconazole Impurity Standard | 514222-44-7 | C10H8N6 |
| Fluconazole Related Compound A | 871550-15-1 | C15H14FN9O |
| Fluconazole Related Compound B | 81886-51-3 | C13H13FN6O |
| Fluconazole Related Compound C | 514222-44-7 | C10H8N6 |
| Flucytosine | Not available | C4H4FN3O |
| Flucytosine for system suitability | 2022-85-7 | C4H4FN3O |
| Flucytosine Imp. A (EP): 5-Fluoropyrimidine- 2,4(1H,3H)-dione (Fluorouracil) | 51-21-8 | C4H3FN2O2 |
| Flucytosine impurity 2 (sodium salt) | 1652-39-7 | C5H6FNaO3 |
| Fludarabine | 21679-14-1 | C10H12FN5O4 |
| Fludarabine EP impurity B | 149297-79-0 | C5H5N5O |
| Fludarabine EP impurity C | 548774-53-4 | C10H14FN5O10P2 |
| Fludarabine EP impurity D | 700-49-2 | C5H4FN5 |
| Fludarabine EP impurity E | 21679-14-1 | C10H12FN5O4 |
| Fludarabine EP impurity F | 159002-28-5 | C12H18N5O8P |
| Fludarabine EP impurity G | 548774-56-7 | C10H12ClFN5O6P |
| Fludarabine EP impurity H | 548774-57-8 | C10H10FN5O3 |
| Fludarabine EP impurity I | 7561-54-8 | C10H15N6O7P |
| Fludarabine for peak identification | 75607-67-9 | C10H13FN5O7P |
| Fludarabine for system suitability | 75607-67-9 | C10H13FN5O7P |
| Fludarabine impurity 15 | 36468-53-8 | C5H10O5 |
| Fludarabine Impurity 24 | 15811-32-2 | C16H18FN5O7 |
| Fludeoxyglucose Related Compound B (2-chloro-2-deoxy-D-glucose) | Not available | C6H11ClO5 |
| Flufenamic Acid Ethyl Ester | 2766-16-7 | C16H14F3NO2 |
| Flufenamic Acid Isopropyl Ester | 68749-59-7 | C17H16F3NO2 |
| Flufenamic Acid Methyl Ester | 2765-91-5 | C15H12F3NO2 |
| Flumatinib | Not available | C29H29F3N8O |
| Flumatinib Impurity 2 | 859282-11-4 | C14H17F3N2O2 |
| Flumatinib Mesylate | 895519-91-2 | C30H33F3N8O4S |
| Flumazenil EP Impurity A | 84378-44-9 | C13H10FN3O3 |
| Flumazenil EP Impurity B | 131666-45-0 | C15H15N3O4 |
| Flumazenil EP Impurity D | 78755-80-3 | C10H9FN2O2 |
| Flumazenil EP Impurity E | 78756-03-3 | C15H15N3O3 |
| Flumazenil EP Impurity F | 78756-33-9 | C15H14ClN3O3 |
| Flumazenil Imp. A (EP): 8-Fluoro-5-methyl-6-oxo-5,6-dihydro-4H-imidazo [1,5-a][1,4]benzodiazepine-3-carboxylic Acid | 84378-44-9 | C13H10FN3O3 |
| Flumazenil Imp. D (EP): 7-Fluoro-4-methyl-3,4-dihydro-1H-1,4- benzodiazepine-2,5-dione | 78755-80-3 | C10H9FN2O2 |
| Flumazenil Impurity 2 | 162110-24-9 | C10H10N2O3 |
| Flumazenil Impurity 4 | 79089-72-8 | C14H12FN3O3 |
| Flumazenil Impurity 5 | 78755-82-5 | C14H12FN3O3 |
| Flumazenil Impurity 7 | 193693-31-1 | C10H8ClFN2O |
| Flumazenil Impurity 9 | 1291916-17-0 | C14H10F2N2O3 |
| Flumazenil Impurity 10 | 5973-29-5 | C10H9ClN2O2 |
| Flumazenil Impurity 12 | 1248271-71-7 | C10H11FN2O3 |
| Flumazenil Impurity 15 | 321-69-7 | C8H4FNO3 |
| Flumazenil Impurity 16 | 91-56-5 | C8H5NO2 |
| Flumazenil Impurity 17 | 116569-09-6 | C8H5NO3 |
| Flumazenil impurity B | 131666-45-0 | C15H15N3O4 |
| Flumazenil Related Compound A | 84378-44-9 | C13H10FN3O3 |
| Flumazenil Related Compound B | 131666-45-0 | C15H15N3O4 |
| Flumazenil Related Compound C | 1188-33-6 | C7H17NO2 |
