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Pharmaceutical Impurity Reference Standards
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- Chemical Name:LincoMycin iMpurity C
- CAS:
- MF:
- Chemical Name:Norfloxacin iMpurity E
- CAS:
- MF:
- Chemical Name:Posaconazole iMpurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Quetiapine IMpurity [2-(2-Piperazin-1-yl)ethoxy)ethanol]
- CAS:2206135-50-2
- MF:C25H18N2S2
- Chemical Name:Rabeprazole iMpurity (Chloro interMediate)
- CAS:
- MF:
- Structure:
- Chemical Name:TaMsulosin IMpurity F
- CAS:
- MF:C20H28N2O5S
- Structure:
- Chemical Name:TiaMulin IMpurity E (TiaMulone,11-Oxo TiaMulin)
- CAS:113323-39-0
- MF:C28H45NO4S
- Structure:
- Chemical Name:2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethanol
- CAS:848814-27-7
- MF:C21H27N3O3S
- Structure:
- Chemical Name:(3aR,7R,7aR)-2,2-Diethyl-3a,6,7,7a-tetrahydro-7-[(Methylsulfonyl)oxy]-1,3-benzodioxole-5-carboxylic Acid Ethyl Ester
- CAS:204254-90-0
- MF:C15H24O7S
- Structure:
- Chemical Name:TorseMide Carboxylic Acid
- CAS:113844-99-8
- MF:C16H18N4O5S
- Structure:
- Chemical Name:(6-BroMo-2-ethyl-3-benzofuranyl)(3,5-dibroMo-4-hydroxyphenyl)Methanone
- CAS:1402819-05-9
- MF:C17H11Br3O3
- Chemical Name:ApreMilast IMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:5'-broMo-[2,3'-bipyridin]-6'(1'H)-one
- CAS:381233-79-0
- MF:C10H7BrN2O
- Chemical Name:Piperacillin Impurity N
- CAS:
- MF:
- Structure:
- Chemical Name:2-(1-(dimethylamino)ethyl)phenol 2,3-dihydroxysuccinate
- CAS:26050-44-2
- MF:C10H15NO
- Structure:
- Chemical Name:1,11-ditosyl-1,4,8,11-tetraazacyclotetradecane dihydrochloride
- CAS:117152-73-5
- MF:C24H36N4O4S2
- Structure:
- Chemical Name:PeraMpanel
- CAS:684648-40-6
- MF:C10H10BNO2
- Structure:
- Chemical Name:3-CHLORO-N-(3-METHOXYPHENYL)PROPANAMIDE
- CAS:21261-76-7
- MF:C10H12ClNO2
- Structure:
- Chemical Name:Amlodipine Impurity 31
- CAS:496024-43-2
- MF:C20H22ClNO5
- Chemical Name:Fudosteine Impurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Rasagiline Impurity 4
- CAS:1175018-79-7
- MF:C12H14ClN
- Structure:
- Chemical Name:Miconazole EP Impurity F
- CAS:47447-55-2
- MF:C18H14Cl4N2O
- Structure:
- Chemical Name:Raltegravir USP RC E
- CAS:1193687-87-4
- MF:C20H22N6O5
- Structure:
- Chemical Name:Dehydronitrosonisoldipine
- CAS:87375-91-5
- MF:C20H22N2O5
- Structure:
- Chemical Name:Brexpiprazole Impurity 49
- CAS:1700655-67-9
- MF:C13H14N2O2S
- Structure:
- Chemical Name:Etoricoxib Impurity 38
- CAS:887479-63-2
- MF:C13H17NO2S
- Structure:
- Chemical Name:Pemetrexed Impurity 19
- CAS:1644286-36-1
- MF:C20H21N5O8
- Chemical Name:Empagliflozin Impurity 31
- CAS:
- MF:
- Structure:
- Chemical Name:Iguratimod
- CAS:123663-50-3
- MF:C18H16N2O6S
- Structure:
- Chemical Name:Imidafenacin Related Compound 10
- CAS:212756-27-9
- MF:C21H23N3O
- Structure:
- Chemical Name:Aprepitant
- CAS:1242175-36-5
- MF:C20H18F7NO2
- Structure:
- Chemical Name:Idebenone Impurity 5
- CAS:88543-33-3
- MF:C18H28O5
- Structure:
- Chemical Name:Entacapone Impurity 4
- CAS:1202160-40-4
- MF:C11H8N2O6
- Structure:
- Chemical Name:L-Leucine, N-formyl-, (1S)-1-[[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]tridecyl ester
- CAS:1119226-56-0
- MF:C30H55NO5
- Structure:
- Chemical Name:Itraconazole Impurity 17
- CAS:854372-78-4
- MF:C14H15Cl2N3O5S
- Structure:
- Chemical Name:sodium (41S,12R,13aS)-13a-ethyl-12-hydroxy-2,3,41,5,6,12, 13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5] naphthyridine-12-carboxylate
- CAS:53448-45-6
- MF:C20H24N2O3
- Structure:
- Chemical Name:Rivaroxaban Impurity 35
- CAS:2206360-74-7
- MF:C23H24N4O6
- Structure:
- Chemical Name:Tirofiban hydrochloride monohydrate Impurity 7
- CAS:2250244-28-9
- MF:C13H19NO5S
- Chemical Name:Acarbose Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Imidafenacin Related Compound 7
- CAS:191592-57-1
- MF:C16H13N
- Structure:
- Chemical Name:17β-Cyanmethyl-oestra-1,3,5(10)-trien-3,17β-diol
- CAS:16669-06-0
- MF:C20H25NO2
- Chemical Name:Cefaclor Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Cephalexin Impurity 6
- CAS:
- MF:C16H17N3O4S
- Chemical Name:Pitavastatin Impurity 42
- CAS:
- MF:
- Structure:
- Chemical Name:Rocuronium bromide Impurity J
- CAS:
- MF:C32H53BrN2O4
- Chemical Name:Tofacitinib Impurity 72
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 81
- CAS:
- MF:
- Structure:
- Chemical Name:Topiroxostat Impurity 9
- CAS:2044708-04-3
- MF:C7H10N6O
- Chemical Name:Vinorelbine EP Impurity C
- CAS:
- MF:
- Chemical Name:Atracurium Impurity 26
- CAS:
- MF:
- Chemical Name:Aztreonam Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Benazepril Impurity E
- CAS:
- MF:C24H28N2O5
- Chemical Name:Canagliflozin Impurity 44
- CAS:
- MF:
- Chemical Name:Clotrimazole Impurity 3
- CAS:
- MF:
- Structure:
- Chemical Name:Dithio-Desethyl Carbodenafil
- CAS:1610830-81-3
- MF:C22H28N6OS2
- Chemical Name:Erlotinib Impurity 57
- CAS:
- MF:
- Chemical Name:Esomeprazole Impurity 41
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 29
- CAS:
- MF:
- Chemical Name:Pramipexole Impurity 36
- CAS:
- MF:
- Structure:
- Chemical Name:Riboflavin Impurity 1
- CAS:64480-68-8
- MF:C16H20N2O7
- Chemical Name:Rocuronium Bromide Impurity 10
- CAS:
- MF:
- Structure:
- Chemical Name:Rocuronium Bromide Impurity 23
- CAS:
- MF:C23H39NO3
- Chemical Name:Adefovir Impurity 10
- CAS:
- MF:
- Chemical Name:Apremilast Impurity SY
- CAS:
- MF:
- Chemical Name:Atracurium Impurity L
- CAS:
- MF:
- Chemical Name:Cefoxitin EP Impurity G
- CAS:
- MF:
- Chemical Name:Dextrorotation lansoprazole Impurity L
- CAS:
- MF:
- Chemical Name:lansoprazole Impurity 25
- CAS:
- MF:
- Chemical Name:Mirabegron Enantiomer Impurity
- CAS:
- MF:
- Chemical Name:Ropivacaine Impurity 44
- CAS:
- MF:
- Chemical Name:Ropivacaine Impurity 7
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Org199010-1 Impurity
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Org226100-1 Impurity
- CAS:
- MF:
- Chemical Name:Afatinib impurity 32
- CAS:
- MF:
- Chemical Name:Butyphthalide impurity 26
- CAS:
- MF:
- Chemical Name:Butyphthalide impurity 32
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 30
- CAS:
- MF:
- Structure:
- Chemical Name:Celecoxib Impurity 20
- CAS:343853-74-7
- MF:C6H7N3O3S
- Chemical Name:Emtricitabine Impurity CFTU1
- CAS:
- MF:
- Chemical Name:Esomeprazole Impurity 34
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 82
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 87
- CAS:
- MF:
- Chemical Name:Gefitinib Impurity R
- CAS:
- MF:
- Structure:
- Chemical Name:Imatinib impurity 31
- CAS:1356565-47-3
- MF:C17H17N7
- Chemical Name:LCZ696(valsartan + sacubitril) impurity 33
- CAS:
- MF:
- Chemical Name:Lenvatinib Impurity 26
- CAS:
- MF:
- Chemical Name:Ozagrel impurity C
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 24
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 32
- CAS:
- MF:
- Chemical Name:Sitafloxacin Impurity ZZ-A-01
- CAS:
- MF:
- Structure:
- Chemical Name:Solifenacin impurity 18
- CAS:1243274-83-0
- MF:C14H17NO3
- Chemical Name:Tofacitinib Impurity 87
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 92
- CAS:
- MF:
- Structure:
- Chemical Name:Amlodipine EP Impurity K
- CAS:
- MF:C26H31ClN2O8S
- Chemical Name:Febuxostat Impurity 49
- CAS:
- MF:
- Structure:
- Chemical Name:Budesonide Impurity 6
- CAS:131918-73-5
- MF:C21H26O6
- Structure:
- Chemical Name:Timolol Impurity 1
- CAS:75014-25-4
- MF:C13H24N4O5S
- Structure:
- Chemical Name:Telmisartan EP-J
- CAS:885045-90-9
- MF:C33H29ClN4O2
- Structure:
- Chemical Name:Pitavastatin Impurity 29
- CAS:148516-15-8
- MF:C25H20FNO2