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Pharmaceutical Impurity Reference Standards

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Structure:
Chemical Name:
1-[2-(DiMethylaMino)-1-phenylethyl]cyclohexanol
CAS:
93413-86-6
MF:
C16H25NO
Structure:
Chemical Name:
1-[4-(2-Methoxyethenyl)phenoxy]-3-[(1-Methylethyl)aMino]-2-propanol
CAS:
82961-02-2
MF:
C15H23NO3
Structure:
Chemical Name:
11-Desethyl Irinotecan
CAS:
103816-16-6
MF:
C31H34N4O6
Structure:
Chemical Name:
5-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-2-pyridinyl)Methyl]thio]-1H-benziMidazole N-Oxide
CAS:
142885-92-5
MF:
C17H19N3O3S
Structure:
Chemical Name:
7-[[[(CyanoMethyl)thio]acetyl]aMino]-7-Methoxy Cephalosporanic Acid
CAS:
56796-16-8
MF:
C15H17N3O7S2
Structure:
Chemical Name:
7S-Cefdinir
CAS:
178601-89-3
MF:
C14H13N5O5S2
Structure:
Chemical Name:
Dehydroxy BroMocelecoxib
CAS:
170570-75-9
MF:
C17H13BrF3N3O2S
Structure:
Chemical Name:
Desethylene Norfloxacin Hydrochloride
CAS:
75001-77-3
MF:
C14H16FN3O3
Structure:
Chemical Name:
p-(2,3-Epoxypropoxy)benzyl Alcohol
CAS:
4204-78-8
MF:
C10H12O3
Structure:
Chemical Name:
α-Etoposide
CAS:
100007-53-2
MF:
C29H32O13
Structure:
Chemical Name:
N-Desmethyl-N-benzyl Sildenafil
CAS:
1446089-82-2
MF:
C28H34N6O4S
Structure:
Chemical Name:
4-Hydroxy AtoMoxetine Oxalate
CAS:
457634-21-8
MF:
C19H23NO6
Structure:
Chemical Name:
6-Chloro-1-Ethyl-4-Oxo-7-(Piperazin-1-yl)-1,4-Dihydroquinoline-3-Carboxylic acid
CAS:
67681-84-9
MF:
C16H18ClN3O3
Structure:
Chemical Name:
Afatinib IMpurity J
CAS:
1456696-14-2
MF:
C18H22N4O4
Chemical Name:
Aprepitant iMpurity A
Structure:
Chemical Name:
Atorvastatin LactaM Phenanthrene CalciuM Salt
CAS:
1046378-58-8
MF:
C33H35CaFN2O6
Chemical Name:
Avanafil IMpurity 7
Structure:
Chemical Name:
Desfluoro flurbiprofen axetil
CAS:
1685278-08-3
MF:
C19H20O4
Structure:
Chemical Name:
Desloratadine IMpurity 6
CAS:
38092-90-9
MF:
C20H21ClN2
Chemical Name:
ErtapeneM Ring Open IMpurity
Chemical Name:
LincoMycin iMpurity C
Chemical Name:
Norfloxacin iMpurity E
Chemical Name:
Posaconazole iMpurity 2
Structure:
Chemical Name:
Quetiapine IMpurity [2-(2-Piperazin-1-yl)ethoxy)ethanol]
CAS:
2206135-50-2
MF:
C25H18N2S2
Chemical Name:
Rabeprazole iMpurity (Chloro interMediate)
Structure:
Chemical Name:
TaMsulosin IMpurity F
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
Structure:
Chemical Name:
5'-broMo-[2,3'-bipyridin]-6'(1'H)-one
CAS:
381233-79-0
MF:
C10H7BrN2O
Chemical Name:
Piperacillin Impurity N
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
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
Structure:
Chemical Name:
Iguratimod
CAS:
123663-50-3
MF:
C18H16N2O6S
Chemical Name:
1,4-bis(4-((1,4,8,11-tetraazacyclotetradecan-4,8,11-trifluoroacetyl- 1-yl)methyl)benzyl)-8,11-difluoroacetyl-1,4,8,11-tetraazacyclotetra decane
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
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
Structure:
Chemical Name:
Cephalexin Impurity 6
MF:
C16H17N3O4S
Chemical Name:
Pitavastatin Impurity 42
Structure:
Chemical Name:
Rocuronium bromide Impurity J
MF:
C32H53BrN2O4
Chemical Name:
Tofacitinib Impurity 72
Chemical Name:
Tofacitinib Impurity 81
Structure:
Chemical Name:
Topiroxostat Impurity 9
CAS:
2044708-04-3
MF:
C7H10N6O
Chemical Name:
Vinorelbine EP Impurity C
Chemical Name:
Atracurium Impurity 26
Chemical Name:
Aztreonam Impurity 2
Structure:
Chemical Name:
Benazepril Impurity E
MF:
C24H28N2O5
Chemical Name:
Canagliflozin Impurity 44
Chemical Name:
Clotrimazole Impurity 3
Structure:
Chemical Name:
Dithio-Desethyl Carbodenafil
CAS:
1610830-81-3
MF:
C22H28N6OS2
Chemical Name:
Erlotinib Impurity 57
Chemical Name:
Esomeprazole Impurity 41
Chemical Name:
Oseltamivir Impurity 29
Chemical Name:
Pramipexole Impurity 36
Structure:
Chemical Name:
Riboflavin Impurity 1
CAS:
64480-68-8
MF:
C16H20N2O7
Chemical Name:
Rocuronium Bromide Impurity 10
Structure:
Chemical Name:
Rocuronium Bromide Impurity 23
MF:
C23H39NO3
Chemical Name:
Adefovir Impurity 10
Chemical Name:
Apremilast Impurity SY
Chemical Name:
Atracurium Impurity L
Chemical Name:
Cefoxitin EP Impurity G
Chemical Name:
Dextrorotation lansoprazole Impurity L
Chemical Name:
lansoprazole Impurity 25
Chemical Name:
Mirabegron Enantiomer Impurity
Chemical Name:
Ropivacaine Impurity 44
Chemical Name:
Ropivacaine Impurity 7
Chemical Name:
Sugammadex sodium Org199010-1 Impurity
Chemical Name:
Sugammadex sodium Org226100-1 Impurity
Chemical Name:
Afatinib impurity 32
Chemical Name:
Butyphthalide impurity 26
Chemical Name:
Butyphthalide impurity 32
Chemical Name:
Canagliflozin Impurity 30
Structure:
Chemical Name:
Celecoxib Impurity 20
CAS:
343853-74-7
MF:
C6H7N3O3S
Chemical Name:
Emtricitabine Impurity CFTU1