Fluorouracil impurity B - dihydropyrimidine-2,4,5(3H)-trione (isobarbituric acid or 5-hydroxyuracil) Item no. EPY0000763 CAS Number [496-76-4] Unit EP unit Molecular formula C4H4N2O3 Analytes Select to compare Price on request - + Add to cart All product details
Fluorouracil impurity C - pyrimidine-2,4(1H,3H)-dione (uracil) Item no. EPY0000764 CAS Number [66-22-8] Unit EP unit Molecular formula C4H4N2O2 Analytes Select to compare Price on request - + Add to cart All product details
Phthalic acid benzene-1,2-dicarboxylic acid Item no. EPY0000766 CAS Number [88-99-3] Unit EP unit Molecular formula C8H6O4 Analytes Select to compare Price on request - + Add to cart All product details
Resorcinol benzene-1,3-diol Item no. EPY0000767 CAS Number [108-46-3] Unit EP unit Molecular formula C6H6O2 Analytes Select to compare Price on request - + Add to cart All product details
Promethazine impurity D - (2RS)-N,N-dimethyl-1-(10H-phenothiazin-10-yl)propan-2-amine S-oxide Item no. EPY0000769 CAS Number [7640-51-9] Unit EP unit Molecular formula C17H20N2OS Analytes Select to compare Price on request - + Add to cart All product details
Vinpocetine impurity C - ethyl(13aS,13bS)-13a-ethyl-9-methoxy-2,3,5,6,13a,13b-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate (methoxyvinpocetine) Item no. EPY0000790 CAS Number [70155-05-4] Unit EP unit Molecular formula C23H28N2O3 Analytes Select to compare Price on request - + Add to cart All product details
Fluorouracil impurity mixture Item no. EPY0000791 CAS Number [51-21-8] Unit EP unit Molecular formula C4H3FN2O2 Analytes Select to compare Price on request - + Add to cart All product details
Tributyl acetylcitrate for peak identification Item no. EPY0000799 CAS Number [77-90-7] Unit EP unit Molecular formula C20H34O8 Analytes Select to compare Price on request - + Add to cart All product details
Ascorbyl palmitate Item no. EPY0000800 CAS Number [137-66-6] Unit EP unit Molecular formula C22H38O7 Analytes Select to compare Price on request - + Add to cart All product details
Iopromide for system suitability 1 Item no. EPY0001021 CAS Number [73334-07-3] Unit EP unit Molecular formula C18H24I3N3O8 Analytes Select to compare Price on request - + Add to cart All product details
Iopromide for system suitability 2 Item no. EPY0001022 CAS Number [73334-07-3] Unit EP unit Molecular formula C18H24I3N3O8 Analytes Select to compare Price on request - + Add to cart All product details
Levodropropizine impurity B - 1-phenylpiperazine Item no. EPY0001033 CAS Number [92-54-6] Unit EP unit Molecular formula C10H14N2 Analytes Select to compare Price on request - + Add to cart All product details
Meloxicam impurity C - N-[(2Z)-3,5-dimethylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-1,2- benzothiazine-3-carboxamide 1,1-dioxide Item no. EPY0001037 CAS Number [n/a] Unit EP unit Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Rifaximin for system suitability Item no. EPY0001075 CAS Number [80621-81-4] Unit EP unit Molecular formula C43H51N3O11 Analytes Select to compare Price on request - + Add to cart All product details
Iopromide impurity A - 5-amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-N-methylbenzene-1,3- dicarboxamide Item no. EPY0001077 CAS Number [n/a] Unit EP unit Molecular formula C16H21I3N2O6 Analytes Select to compare Price on request - + Add to cart All product details
Fluvastatin for system suitability Item no. EPY0001082 CAS Number [93957-55-2] Unit EP unit Molecular formula C24H25FNNaO4 Analytes Select to compare Price on request - + Add to cart All product details
Methyldopa for system suitability Item no. EPY0001083 CAS Number [41372-08-1] Unit EP unit Molecular formula C10H13NO4 · 1.5H2O Analytes Select to compare Price on request - + Add to cart All product details
Acetazolamide for system suitability Item no. EPY0001084 CAS Number [59-66-5] Unit EP unit Molecular formula C4H6N4O3S2 Analytes Select to compare Price on request - + Add to cart All product details
Valaciclovir impurity E - 2-[(2-amino-6-oxo-1,6dihydro-9H-purin-9-yl)methoxy]ethyl N-[(benzyloxy)carbonyl]-L-valinate Item no. EPY0001097 CAS Number [124832-31-1] Unit EP unit Molecular formula C21H26N6O6 Analytes Select to compare Price on request - + Add to cart All product details
Gestodene Item no. EPY0001112 CAS Number [60282-87-3] Unit EP unit Molecular formula C21H26O2 Analytes Select to compare Price on request - + Add to cart All product details
Tenoxicam impurity mixture Item no. EPY0001114 CAS Number [n/a] Unit EP unit Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Ascorbic acid impurity D - Methyl D-xylo-hex-2-ulosonate (Methyl D-sorbosonate) Item no. EPY0001170 CAS Number [67776-07-2] Unit EP unit Molecular formula C7H12O7 Analytes Select to compare Price on request - + Add to cart All product details
Trolamine impurity B - Diethanolamine Item no. EPY0001183 CAS Number [111-42-2] Unit EP unit Molecular formula C4H11NO2 Analytes Select to compare Price on request - + Add to cart All product details
Trolamine impurity A - Ethanolamine Item no. EPY0001184 CAS Number [141-43-5] Unit EP unit Molecular formula C2H7NO Analytes Select to compare Price on request - + Add to cart All product details
Salbutamol impurity J - 2-[(1,1-dimethylethyl)amino]-1-[4-hydroxy-3-(hydroxymethyl)phenyl]ethanone (salbutamone) Item no. EPY0001186 CAS Number [156547-62-5] Unit EP unit Molecular formula C13H19NO3 Analytes Select to compare Price on request - + Add to cart All product details
Pramipexole for system suitability Item no. EPY0001187 CAS Number [191217-81-9] Unit EP unit Molecular formula C10H17N3S · 2HCl · H2O Analytes Select to compare Price on request - + Add to cart All product details
Fosinopril impurity mixture Item no. EPY0001212 CAS Number [n/a] Unit EP unit Molecular formula / Analytes Select to compare Price on request - + Add to cart All product details
Captopril impurity C - (2RS)-2-methyl-3-sulphanylpropanoic acid Item no. EPY0001220 CAS Number [26473-47-2] Unit EP unit Molecular formula C4H8O2S Analytes Select to compare Price on request - + Add to cart All product details
Valaciclovir for system suitability Item no. EPY0001225 CAS Number [124832-27-5] Unit EP unit Molecular formula C13H20N6O4 · HCl Analytes Select to compare Price on request - + Add to cart All product details
Fosinopril sodium Item no. EPY0001227 CAS Number [88889-14-9] Unit EP unit Molecular formula C30H45NNaO7P Analytes Select to compare Price on request - + Add to cart All product details
Nizatidine for system suitability Item no. EPY0001278 CAS Number [76963-41-2] Unit EP unit Molecular formula C12H21N5O2S2 Analytes Select to compare Price on request - + Add to cart All product details
Galantamine hydrobromide Item no. EPY0001279 CAS Number [1953-04-4] Unit EP unit Molecular formula C17H21NO3.HBr Analytes Select to compare Price on request - + Add to cart All product details
Salbutamol sulfate for system suitability Item no. EPY0001288 CAS Number [51022-70-9] Unit EP unit Molecular formula C13H21NO3 · 0.5H2SO4 Analytes Select to compare Price on request - + Add to cart All product details
Oseltamivir impurity B - ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3- (1-ethylpropoxy)cyclohexanecarboxylate Item no. EPY0001339 CAS Number [n/a] Unit EP unit Molecular formula C16H29N5O4 Analytes Select to compare Price on request - + Add to cart All product details
Oseltamivir impurity C - (3R,4R,5S)-4-acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylic acid Item no. EPY0001340 CAS Number [187227-45-8] Unit EP unit Molecular formula C14H24N2O4 Analytes Select to compare Price on request - + Add to cart All product details
Oseltamivir impurity H - tributylphosphane oxide Item no. EPY0001341 CAS Number [814-29-9] Unit EP unit Molecular formula C12H27OP Analytes Select to compare Price on request - + Add to cart All product details
Olmesartan medoxomil for system suitability Item no. EPY0001424 CAS Number [144689-63-4] Unit EP unit Molecular formula C29H30N6O6 Analytes Select to compare Price on request - + Add to cart All product details
Nicotine ditartrate dihydrate Item no. EPY0001425 CAS Number [6019-06-3] Unit EP unit Molecular formula C10H14N2x2C4H6O6x2H2O Analytes Select to compare Price on request - + Add to cart All product details
Pheniramine impurity A - 2-Benzylpyridine Item no. EPY0001428 CAS Number [101-82-6] Unit EP unit Molecular formula C12H11N Analytes Select to compare Price on request - + Add to cart All product details
Difloxacin impurity G - 7-chloro-6-fluoro-1-(4-fluorophenyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid Item no. EPY0001429 CAS Number [98105-79-4] Unit EP unit Molecular formula C16H8ClF2NO3 Analytes Select to compare Price on request - + Add to cart All product details
Methylphenidate impurity C Item no. EPY0001490 CAS Number [50288-62-5] Unit EP unit Molecular formula C13H18N2O Analytes Select to compare Price on request - + Add to cart All product details
Quinapril hydrochloride Item no. EPY0001491 CAS Number [82586-55-8] Unit EP unit Molecular formula C25H31ClN2O5 Analytes Select to compare Price on request - + Add to cart All product details
Doxylamine for system suitability Item no. EPY0001492 CAS Number [562-10-7] Unit EP unit Molecular formula C17H22N2O · C4H6O4 / C21H28N2O5 Analytes Select to compare Price on request - + Add to cart All product details
Furosemide for peak identification Item no. EPY0001493 CAS Number [54-31-9] Unit EP unit Molecular formula C12H11ClN2O5S Analytes Select to compare Price on request - + Add to cart All product details
Hydrochlorothiazide for peak identification Item no. EPY0001494 CAS Number [58-93-5] Unit EP unit Molecular formula C7H8ClN3O4S2 Analytes Select to compare Price on request - + Add to cart All product details
Propylene glycol Item no. EPY0001547 CAS Number [57-55-6] Unit EP unit Molecular formula C3H8O2 Analytes Select to compare Price on request - + Add to cart All product details
Labetalol impurity A - 2-Hydroxy-5-[1-hydroxy-2-[(1-methyl-3-phenylpropyl)-amino]ethyl]benzoic acid Item no. EPY0001548 CAS Number [1391051-99-2] Unit EP unit Molecular formula C19H23NO4 Analytes Select to compare Price on request - + Add to cart All product details
Abacavir for peak identification Item no. EPY0001552 CAS Number [188062-50-2] Unit EP unit Molecular formula (C14H3918N6O)2 · H2SO4 Analytes Select to compare Price on request - + Add to cart All product details
Ciclesonide Item no. EPY0001553 CAS Number [126544-47-6] Unit EP unit Molecular formula C32H44O7 Analytes Select to compare Price on request - + Add to cart All product details
Ciclesonide impurity B - (2'R)-2'-cyclohexyl-11b,21-dihydroxy-16bH-[1,3]dioxolo[4',5':16,17]pregna-1,4-diene-3,20-dione Item no. EPY0001555 CAS Number [161115-59-9] Unit EP unit Molecular formula C28H38O6 Analytes Select to compare Price on request - + Add to cart All product details