Pharmaceutical Impurity Reference Standards

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Structure Chemical Name CAS MF
Ethyl indole-3-carboxylate Ethyl indole-3-carboxylate 776-41-0 C11H11NO2
Canrenone Canrenone 976-71-6 C22H28O3
(+/-)-2-(6-METHOXY-2-NAPHTHYL)PROPIONIC ACID (+/-)-2-(6-METHOXY-2-NAPHTHYL)PROPIONIC ACID 23981-80-8 C14H14O3
Cabergoline Cabergoline 81409-90-7 C26H37N5O2
3-Methylflavone-8-carboxylic acid 3-Methylflavone-8-carboxylic acid 3468-01-7 C17H12O4
5-Amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide 5-Amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide 76801-93-9 C14H18I3N3O6
4-Amino-5-chloro-2,1,3-benzothiadiazole 4-Amino-5-chloro-2,1,3-benzothiadiazole 30536-19-7 C6H4ClN3S
Phenylephrine Phenylephrine 59-42-7 C9H13NO2
(S)-(-)-4-Amino-2-hydroxybutyric acid (S)-(-)-4-Amino-2-hydroxybutyric acid 40371-51-5 C4H9NO3
Paricalcitol Paricalcitol 131918-61-1 C27H44O3
Human serum albumin Human serum albumin 70024-90-7 NULL
Distearyl thiodipropionate Distearyl thiodipropionate 693-36-7 C42H82O4S
2-PIPERIDYLMETHYLAMINE 2-PIPERIDYLMETHYLAMINE 22990-77-8 C6H14N2
5-Difluoromethoxy-2-{[(3,4-dimethoxy-2-pyridinyl)methyl]thio}-1H-benzimidazole 5-Difluoromethoxy-2-{[(3,4-dimethoxy-2-pyridinyl)methyl]thio}-1H-benzimidazole 102625-64-9 C16H15F2N3O3S
7-Ethyl tryptophol 7-Ethyl tryptophol 41340-36-7 C12H15NO
2-Chlorophenothiazine 2-Chlorophenothiazine 92-39-7 C12H8ClNS
3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid 3919-74-2 C11H7ClFNO3
Benoxinate Hydrochloride Benoxinate Hydrochloride 5987-82-6 C17H29ClN2O3
5-Amino-4-imidazolecarboxamide 5-Amino-4-imidazolecarboxamide 360-97-4 C4H6N4O
Lynestrenol Lynestrenol 52-76-6 C20H28O
3-Chloro-10,11-dihydro-5H-dibenzo[b,f]azepine 3-Chloro-10,11-dihydro-5H-dibenzo[b,f]azepine 32943-25-2 C14H12ClN
7-Hydroxy-5-methyl-1,3,4-triazaindolizine 7-Hydroxy-5-methyl-1,3,4-triazaindolizine 2503-56-2 C7H7N3O
2-(2-Methoxyphenoxy)ethylamine 2-(2-Methoxyphenoxy)ethylamine 1836-62-0 C9H13NO2
L-Octahydroindole-2-carboxylic acid L-Octahydroindole-2-carboxylic acid 80875-98-5 C9H15NO2
4-Methoxyisophthalic acid 4-Methoxyisophthalic acid 2206-43-1 C9H8O5
2-Butyl-3-(4-hydroxybenzoyl)benzofuran 2-Butyl-3-(4-hydroxybenzoyl)benzofuran 52490-15-0 C19H18O3
2-Chlorothioxanthone 2-Chlorothioxanthone 86-39-5 C13H7ClOS
Isoxepac Isoxepac 55453-87-7 C16H12O4
1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one 1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one 139122-19-3 C10H11NO2
3-Ethoxy-4-ethoxycarbonyl phenylacetic acid 3-Ethoxy-4-ethoxycarbonyl phenylacetic acid 99469-99-5 C13H16O5
Ciclesonide Ciclesonide 126544-47-6 C32H44O7
alpha-(2,4-Dichlorophenyl)-1H-imidazole-1-ethanol alpha-(2,4-Dichlorophenyl)-1H-imidazole-1-ethanol 24155-42-8 C11H10Cl2N2O
Ketamine hydrochloride Ketamine hydrochloride 1867-66-9 C13H16ClNO.ClH
trans-4-Isopropylcyclohexane carboxylic acid trans-4-Isopropylcyclohexane carboxylic acid 7077-05-6 C10H18O2
N-Carbethoxy-4-piperidone N-Carbethoxy-4-piperidone 29976-53-2 C8H13NO3
Naphazoline nitrate Naphazoline nitrate 5144-52-5 C14H15N3O3
DL-10-CAMPHORSULFONIC ACID DL-10-CAMPHORSULFONIC ACID 5872-08-2 C10H16O4S
2-Butyl-3-(3,5-Diiodo-4-hydroxy benzoyl) benzofuran 2-Butyl-3-(3,5-Diiodo-4-hydroxy benzoyl) benzofuran 1951-26-4 C19H16I2O3
Pleuromulin Pleuromulin 125-65-5 C22H34O5
2-Pyrrolidinone 2-Pyrrolidinone 616-45-5 C4H7NO
OUABAIN OCTAHYDRATE OUABAIN OCTAHYDRATE 11018-89-6 C29H60O20
Fosphenytoin sodium Fosphenytoin sodium 92134-98-0 C16H13N2Na2O6P
Pentamidine isethionate Pentamidine isethionate 140-64-7 C23H36N4O10S2
Closantel sodium Closantel sodium 61438-64-0 C22H13Cl2I2N2NaO2
SAQUINAVIR MESYLATE SAQUINAVIR MESYLATE 149845-06-7 C39H54N6O8S
FLUORESCEIN DIACETATE FLUORESCEIN DIACETATE 596-09-8 C24H16O7
2-(Aminomethyl)-1-ethylpyrrolidine 2-(Aminomethyl)-1-ethylpyrrolidine 26116-12-1 C7H16N2
Articaine hydrochloride Articaine hydrochloride 23964-57-0 C13H20N2O3S.ClH
Flutrimazole Flutrimazole 119006-77-8 C22H16F2N2
Hydroxocobalamin Hydroxocobalamin 13422-51-0 C62H90ClCoN13O15P
Pregna-4,6-diene-3,20-dione Pregna-4,6-diene-3,20-dione 1162-56-7 C21H28O2
Cyclobenzaprine hydrochloride Cyclobenzaprine hydrochloride 6202-23-9 C20H22ClN
Mefloquine hydrochloride Mefloquine hydrochloride 51773-92-3 C17H17ClF6N2O
1-(4-Chlorobenzhydryl)piperazine 1-(4-Chlorobenzhydryl)piperazine 303-26-4 C17H19ClN2
Clopamide Clopamide 636-54-4 C14H20ClN3O3S
Clobetasone butyrate Clobetasone butyrate 25122-57-0 C26H32ClFO5
2-[4-Aminosulfonyl-phenyl]-ethyl-5-methylpyrazinecarboxamide 2-[4-Aminosulfonyl-phenyl]-ethyl-5-methylpyrazinecarboxamide 33288-71-0 C14H16N4O3S
GROWTH HORMONE, HUMAN GROWTH HORMONE, HUMAN 12629-01-5 C990H1529N263O299S7
Prednisolone succinate Prednisolone succinate 2920-86-7 C25H32O8
Etifenin Etifenin 63245-28-3 C16H22N2O5
3-Pyridyl dimethylcarbamate 3-Pyridyl dimethylcarbamate 51581-32-9 C8H10N2O2
DICYCLOMINE HYDROCHLORIDE DICYCLOMINE HYDROCHLORIDE 67-92-5 C19H36ClNO2
7-(2-HYDROXYETHYL)THEOPHYLLINE 7-(2-HYDROXYETHYL)THEOPHYLLINE 519-37-9 C9H12N4O3
TERPIN MONOHYDRATE TERPIN MONOHYDRATE 2451-01-6 C10H22O3
GLOBULINS, CAT GAMMA GLOBULINS, CAT GAMMA 9007-83-4
2-TERT-BUTYL-4-HYDROXYANISOLE 2-TERT-BUTYL-4-HYDROXYANISOLE 88-32-4 C11H16O2
N-BUTYL METHANESULPHONATE N-BUTYL METHANESULPHONATE 1912-32-9 C5H12O3S
3-BROMO-2-METHYLPROPIONIC ACID 3-BROMO-2-METHYLPROPIONIC ACID 56970-78-6 C4H7BrO2
Flumethasone 21-pivalate Flumethasone 21-pivalate 2002-29-1 C27H36F2O6
QUININE SULFATE QUININE SULFATE 549-56-4 C40H50N4O8S
Parbendazole Parbendazole 14255-87-9 C13H17N3O2
Prednicarbate Prednicarbate 73771-04-7 C27H36O8
Methyl 4-acetamido-2-methoxybenzoate Methyl 4-acetamido-2-methoxybenzoate 4093-29-2 C11H13NO4
Hexamidine diisethionate Hexamidine diisethionate 659-40-5 C20H26N4O2.2C2H6O4S
Dihydroergotoxine mesylate Dihydroergotoxine mesylate 8067-24-1 C20H29N3O5S
DL-TROPIC ACID DL-TROPIC ACID 552-63-6 C9H10O3
Sultamicillin tosilate Sultamicillin tosilate 83105-70-8 C32H38N4O12S3
5-Nitro-2-furaldehyde diacetate 5-Nitro-2-furaldehyde diacetate 92-55-7 C9H9NO7
Benperidol Benperidol 2062-84-2 C22H24FN3O2
Triamcinolone diacetate Triamcinolone diacetate 67-78-7 C25H31FO8
1-ETHYL-7-CHLORO-6-FLUORO-1,4-DIHYDRO-4-OXOQUINOLINE-3-CARBOXYLIC ACID 1-ETHYL-7-CHLORO-6-FLUORO-1,4-DIHYDRO-4-OXOQUINOLINE-3-CARBOXYLIC ACID 68077-26-9 C12H9ClFNO3
3-MERCAPTOISOBUTYRIC ACID 3-MERCAPTOISOBUTYRIC ACID 26473-47-2 C4H8O2S
2-Chloroadenine 2-Chloroadenine 1839-18-5 C5H4ClN5
Iminodibenzyl Iminodibenzyl 494-19-9 C14H13N
PROXYPHYLLINE PROXYPHYLLINE 603-00-9 C10H14N4O3
Dibenzosuberone Dibenzosuberone 1210-35-1 C15H12O
Mehtyl 6-[3-(1-adamanty)-4-methoxy phenyl]-2-naphthoate Mehtyl 6-[3-(1-adamanty)-4-methoxy phenyl]-2-naphthoate 106685-41-0 C29H30O3
N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid  disodium salt hydrate N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid disodium salt hydrate 357166-29-1 C20H19N5Na2O6.7(H2O)
PTEROIC ACID PTEROIC ACID 119-24-4 C14H12N6O3
2,3-Dimethylaniline 2,3-Dimethylaniline 87-59-2 C8H11N
Cilastatin sodium Cilastatin sodium 81129-83-1 C16H25N2O5S.Na
CHLORDIAZEPOXIDE HYDROCHLORIDE CHLORDIAZEPOXIDE HYDROCHLORIDE 438-41-5 C16H15Cl2N3O
Narcotine Narcotine 128-62-1 C22H23NO7
8-Chloro-6,11-dihydro-11-(1-methyl-4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 8-Chloro-6,11-dihydro-11-(1-methyl-4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 38092-89-6 C20H21ClN2
Phthaloyl amlodipine Phthaloyl amlodipine 88150-62-3 C28H27ClN2O7
Endo-3-amine-9-methyl-9-azabicyclo[3,3,1]nonane Endo-3-amine-9-methyl-9-azabicyclo[3,3,1]nonane 76272-56-5 C9H18N2
Etilefrine hydrochloride Etilefrine hydrochloride 943-17-9 C10H16ClNO2
Prostaglandin F2a tris salt Prostaglandin F2a tris salt 38562-01-5 C24H45NO8
Cellulose acetate phthalate Cellulose acetate phthalate 9004-38-0 C116H116O64
Testosterone decanoate Testosterone decanoate 5721-91-5 C29H46O3
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