Impurezas de ingredientes farmacéuticos activos (API) para investigación

trans-4-(6,8-Dibromoquinazolin-3(4H)-yl)cyclohexanol Hydrochloride

Mefloquine Related Compound A (threo-mefloquine)

Ropinirole Related Compound A (4-(2-hydroxyethyl)indolin-2-one)

Azathioprine Related Compound G (6-[(1-methyl-4-nitro-1H-imidazol-5-yl)thio]-9H-purin-2-amine)

Clarithromycin Impurity H (3""-N-Demethyl-3""-N-formyl-6-O-methylerythromycin A)

Trazodone Related Compound F (1-(3-chlorophenyl)-4-(3-chloropropyl)piperazine hydrochloride)

Rivastigmine Related Compound D (3-Acetylphenyl ethyl(methyl)carbamate)

Amlodipine Related Compound A (3-Ethyl 5-methyl [2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-methyl-3,5-pyridinedicarboxylate] fumarate)

Loperamide Related Compound F (1r,4s)-4-(4-Chlorophenyl)-1-[4-(dimethylamino)-4-oxo-3,3-diphenylbutyl]-4-hydroxypiperidine 1-oxide hydrate)

Nicardipine Related Compound C (Dimethyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate)

Lorazepam Related Compound D (6-Chloro-4-(o-chlorophenyl)-2-quinazolinecarboxylic Acid)

Eprosartan Related Compound E (4-(hydroxymethyl)benzoic acid)

Carbamazepine Related Compound B (5H-Dibenz[b,f]azepine)

Nebivolol Related Compound B (See USP Certificate for full Chemical Name)

Moexipril Related Compound C ((S)-tert-butyl 2-{(S)-2-[(S)-1-ethoxy-1-oxo-4-phenylbutan-2-ylamino]propanoyl}-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate, maleate)

Trandolapril Related Compound C ((2S, 3aR, 7aS)-1-[N-[(S)-1-Carboxy-3-cyclohexylpropyl]-L-alanyl]hexahydro-2-indolinecarboxylic acid 1-ethyl ester hydrochloride)

Norscopolamine ((1R ,2R ,4S ,5S ,7s )-3-Oxa-9-azatricyclo[3.3.1.0^2,4]nonan-7-yl (S)-3-hydroxy-2-phenylpropanoate)

[D-His1]-Exenatide

Milnacipran Related Compound B (1-Phenyl-3-azabicyclo[3.1.0]hexan-2-one)

Zolmitriptan Related Compound A ((S)-4-({3-[2-(Methylamino)ethyl]-1H-indol-5-yl}methyl)oxazolidin-2-one)

Bumetanide Related Compound A (3-Amino-4-phenoxy-5-sulfamoylbenzoic Acid)

Phenylephrine Related Compound F ((R)-2-Methyl-1,2,3,4-tetrahydroisoquinoline-4,8-diol hydrochloride monohydrate)

Gamma-Aminobutyric Acid

Norgestrel Related Compound L (13-Ethylgon-4-ene-3,17-dione)

Doxapram Related Compound B (1-Ethyl-4-{2-[(2-hydroxyethyl)amino]ethyl}-3,3-diphenylpyrrolidin-2-one, hydrochloride)

Milrinone Related Compound A (1,6-Dihydro-2-methyl-6-oxo(3,4'-bipyridine)-5-carboxamide)

(E)-Thiothixene

Lufenuron Related Compound B (N-[(2,5-Dichloro-4-hydroxyphenyl)carbamoyl]-2,6-difluorobenzamide)

Carbinoxamine Related Compound A ((4-Chlorophenyl)(pyridin-2-yl)methanone)

Leflunomide Related Compound A (4-(trifluoromethyl)aniline)

Iopamidol Related Compound A (N,N'-Bis-(1,3-dihydroxy-2-propyl)-5-amino-2,4,6-triiodoisophthalamide)

Cyclophosphamide Related Compound D (3-[2-(2-chloroethylamino)ethylamino]propyl dihydrogen phosphate dihydrochloride)

Metoprolol Related Compound C (4-[2-Hydroxy-3-(isopropylamino)propoxy]benzaldehyde hydrochloride)

Dalfampridine Related Compound C (1,3-Di(pyridin-4-yl)urea)

Aprepitant Related Compound B (3-[[(2S,3R)-2-[(S)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholino]methyl]-1H-1,2,4-triazol-5(4H)-one)

Allopurinol Related Compound C (5-(4H-1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide)

Butyl 3-(butylamino)-4-phenoxy-5-sulfamoylbenzoate

Granisetron Related Compound A (2-methyl-N-[(1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-2H-indazole-3-carboxamide)

Levofloxacin Related Compound E ((S)-9-Fluoro-2,3-dihydro-3-methyl-10-[2-(methylamino)ethylamino]-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid hydrochloride)

Nebivolol Related Compound C ((RS)-6-Fluoro-2-[(RS)-oxiran-2-yl]chroman)

Amifostine Disulfide (1,3-Propanediamine, N,N-(dithiodi-2,1-ethanediyl)bis, tetrahydrochloride)

Uridine (1-Beta-D-Ribofuranosylpyrimidine-2,4(1H,3H)-dione)

Paclitaxel Related Compound B (10-deacetyl-7-epipaclitaxel)

Levetiracetam Related Compound A ((S)-N-(1-amino-1-oxobutan-2-yl)-4-chlorobutanamide)

Ibutilide Related Compound A (N-Ethyl-N-heptyl-4-[4-(methylsulfonamido)phenyl]-4-oxobutanamide)

Perphenazine Sulfoxide

Irinotecan Related Compound B ((S)-4,11-diethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione)

Desogestrel Related Compound C (13-Ethyl-11-methylene-18,19-dinor-17alpha-pregn-4-en-20-yn-17-ol-3-one)

Levofloxacin Related Compound F ((S)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid)

Linezolid R-Isomer (N-{[(R)-3-(3-Fluoro-4-morpholinophenyl)-2-oxo-5-oxazolidinyl]methyl}acetamide)

Bisoprolol Related Compound F (2-Isopropoxyethyl 4-[2-hydroxy-3-(isopropylamino)propoxy]benzoate)

Potassium Chloride

Ganciclovir Mono-N-methyl Valinate (2-(RS)-[(guanin-9-yl)methoxy]-3-hydroxypropyl N-methyl-L-valinate hydrochloride)

Drometrizole Trisiloxane Related Compound C (2-(2H-Benzotriazol-2-yl)-6-(isobuten-1-yl)-O1-[bis(trimethylsiloxy)methylsilyl]-p-cresol)

Terbinafine Related Compound A (N-methyl-C-(naphthalen-1-yl)methanamine hydrochloride)

Terbinafine Related Compound D ((2E)-N,6,6-trimethyl-N-[(4-methylnaphthalen-1-yl)methyl]-hept-2-en-4-yn-1-amine hydrochloride)

Clobetasol Propionate Related Compound A (9-alpha-fluoro-11-beta-hydroxy-16-beta-methyl-3-oxoandrosta-1,4-diene-17(R)-spiro-2'-[4'-chloro-5'-ethylfuran-3'(2'H)-one])

Ecamsule Related Compound B (4-(Hydroxymethyl)benzoic acid)

Lovastatin Related Compound A (4,4a-Dihydrolovastatin)

Oxiconazole Related Compound D ((2,4-Dichlorophenyl)methanol)

Atenolol Related Compound C (2-[4-(Oxiran-2-ylmethoxy)phenyl]acetamide)

Cetirizine Related Compound B (2-(4-Benzhydrylpiperazin-1-yl)ethan-1-ol dihydrochloride)

Saquinavir Related Compound A (N-tert-butyl-decahydro-2-[2(R)-hydroxy-4-phenyl-3(S)-[[N-(2-quinolylcarbonyl)-D-asparaginyl]amino]butyl]-(4aS,8aS)-isoquinoline-3(S)-carboxamide)

Decitabine Related Compound A (1-O-Acetyl-3,5-di-O-(4-chlorobenzoyl)-2-deoxy-D-ribofuranose)

Candesartan Cilexetil Related Compound D (1-{[(Cyclohexyloxy)carbonyl]oxy}ethyl 3-({2'-(2-ethyl-2H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl}methyl)-2-oxo-2,3-dihydro-1H-benzimidazole-4-carboxylate)

Prazosin Related Compound D (Furan-2-yl(piperazin-1-yl)methanone)

Methylprednisolone Related Compound C (11beta-Hydroxy-6alpha-methylandrosta-1,4-diene-3,17-dione)

Doxepin Related Compound A (dibenzo[b,e]oxepin-11(6H)-one)

Zolmitriptan Related Compound F (2,2'-[4-(Dimethylamino)butane-1,1-diyl]bis{5-[(S)-(2-oxooxazolidin-4-yl)methyl]-3-(2-dimethylaminoethyl)indole})

Oxybutynin Related Compound A (Phenylcyclohexylglycolic Acid)

Memantine Related Compound F (3-Amino-5,7-dimethyladamantan-1-ol hydrochloride)

3-O-Methylmethyldopa

Gonadorelin Acetate Related Compound A (5-Oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosylglycyl-L-leucyl-L-arginyl-L-prolylglycine)

Bosentan Related Compound D (4,6-dichloro-5-(2-methoxyphenoxy)-2,2'-bipyrimidine)

Gatifloxacin Related Compound E (1-Cyclopropyl-6-fluoro-8-methoxy-7-(2-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid monohydrochloride)

Chlorzoxazone Related Compound A (2-Amino-4-chlorophenol)

Phentermine Related Compound A (N-(2-Methyl-1-phenylpropan-2-yl)formamide)

Fosinopril Related Compound A ((4S)-4-cyclohexyl-[(4-phenylbutyl)phosphinyl]acetyl-L-proline)

Diaveridine (5-(3,4-Dimethoxybenzyl)pyrimidine-2,4-diamine)

4-Epianhydrotetracycline Hydrochloride

Dicyclomine Related Compound A ([1,1'-Bi(cyclohexane)]-1-carboxylic acid)

Zolpidem Related Compound A (N,N-Dimethyl-2-[7-methyl-2-p-tolylimidazo[1,2-a]pyridin-3-yl]acetamide)

Cefaclor Delta-3 Isomer

Dimenhydrinate Related Compound E (8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione)

Ritonavir Related Compounds Mixture

Sevoflurane Related Compound C (0.2 mL) (1,1,1,3,3,3-hexafluoro-2-propanol)

Olopatadine Related Compound B ((Z)-3-{2-(carboxymethyl)dibenzo[b,e]oxepin-11(6H)-ylidene}-N,N-dimethylpropan-1-amine oxide)

Triamcinolone Acetonide Related Compound B (9-Fluoro-11,21-dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]-(11beta,16alpha)-pregna-1,4,14-triene-3,20-dione)

Memantine Related Compound B (3,5-Dimethyladamantane-1-ol)

Flunixin Related Compound A (2-Chloronicotinic acid)

o-Flutamide

Iscotrizinol Related Compound D (2-Ethylhexyl 4-[(4,6-bis{[4-(tert-butylcarbamoyl)phenyl]amino}-1,3,5-triazin-2-yl)amino]benzoate)

p-Toluidine

Benazepril Related Compound F (tert-Butyl-3-amino-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine-1-acetic acid)

Zolmitriptan Related Compound G ((S)-4-(4-Aminobenzyl)oxazolidin-2-one)

Doxazosin Related Compound G (4-Amino-6,7-dimethoxyquinazolin-2(1H)-one hydrochloride)

Phenylephrine Related Compound D ((R)-3-{2-[Benzyl(methyl)amino]-1-hydroxyethyl}phenol)

Citalopram Related Compound E (1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile-N-oxide hydrochloride)

Lanolin Alcohols

Roflumilast Related Compound B (N-(3,5-Dichloropyridin-4-yl)-4-(difluoromethoxy)-3-hydroxybenzamide)