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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
Butyl-3-aminosulfonyl-5-butylamino-4-phenoxybenzoat Butyl-3-aminosulfonyl-5-butylamino-4-phenoxybenzoat 32643-00-8 C21H28N2O5S
11β,16α,17,21-Tetrahydroxypregn-4-en-3,20-dion 11β,16α,17,21-Tetrahydroxypregn-4-en-3,20-dion 1171-81-9 C21H30O6
trans-2-Amino-N-(4-hydroxycyclohexyl)benzamid trans-2-Amino-N-(4-hydroxycyclohexyl)benzamid 15942-11-7 C13H18N2O2
Rifamycin, 4-O-(Carboxymethyl)- Rifamycin, 4-O-(Carboxymethyl)- 13929-35-6 C39H49NO14
Ethyl-3,5-bis(benzyloxy)benzoat Ethyl-3,5-bis(benzyloxy)benzoat 50841-46-8 C23H22O4
Ethyl-(R)-thiazolidin-4-carboxylat Ethyl-(R)-thiazolidin-4-carboxylat 60664-15-5 C6H11NO2S
3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 2504210-48-2 C22H23N9O
Faropenem Impurity D Faropenem Impurity D
[2S-(2α,5α,6α)]-6-Brom-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-2-carbonsure [2S-(2α,5α,6α)]-6-Brom-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-2-carbonsure 24138-28-1 C8H10BrNO3S
5-Nitro-2-furaldehyd-(5-nitrofurfurylen)hydrazon 5-Nitro-2-furaldehyd-(5-nitrofurfurylen)hydrazon 736-53-8 C10H6N4O6
4-(benzo[b]thiophen-4-yl)-1,1-bis(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazin-1-ium chloride 4-(benzo[b]thiophen-4-yl)-1,1-bis(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazin-1-ium chloride 2454317-16-7 C38H41N4O4S
Methyl-(R)-thiazolidin-4-carboxylat Methyl-(R)-thiazolidin-4-carboxylat 42258-90-2 C5H9NO2S
Revefenacin Impurity 7 Revefenacin Impurity 7 1158777-54-8 C14H19ClN2O3
(R)-8-(3-aminopiperidin-1-yl)-3-methyl-1,7-bis((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione (R)-8-(3-aminopiperidin-1-yl)-3-methyl-1,7-bis((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione
Oxytocin Impurity 8 Trifluoroacetate Oxytocin Impurity 8 Trifluoroacetate
Peramivir Dehydrated Impurity Peramivir Dehydrated Impurity
Formoterol Impurity 32 Formoterol Impurity 32
(1S,2S,3R,4R)-2-((R)-1-acetamido-2-ethylbutyl)-4-guanidino-3-hydroxycyclopentane-1-carboxylic acid (1S,2S,3R,4R)-2-((R)-1-acetamido-2-ethylbutyl)-4-guanidino-3-hydroxycyclopentane-1-carboxylic acid
Desloratadine EP impurity A hcl Desloratadine EP impurity A hcl 2250242-44-3 C19H21Cl2FN2
(R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-yl) ethyl)-5,6-dihydro-2H-pyran-2-one and (R)-6-(2-((R)-2,6-dimethyl- 5,6,7,8-tetrahydronaphthalen-1-yl)ethyl)-5,6-dihydro-2H-pyran-2-one (R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-yl) ethyl)-5,6-dihydro-2H-pyran-2-one and (R)-6-(2-((R)-2,6-dimethyl- 5,6,7,8-tetrahydronaphthalen-1-yl)ethyl)-5,6-dihydro-2H-pyran-2-one
(3S,4S)-Tofacitinib (3S,4S)-Tofacitinib 1092578-47-6 C16H20N6O
Rosuvastatin Impurity 145 Rosuvastatin Impurity 145
Peramivir Intermediate impurity 1 Peramivir Intermediate impurity 1
Rosuvastatin EP Impurity G Rosuvastatin EP Impurity G
Peramivir Intermediate Impurity 43 Peramivir Intermediate Impurity 43
Peramivir Deacetylated Impurity Peramivir Deacetylated Impurity
Linagliptin Impurity 49 Linagliptin Impurity 49
Loxoprofen Sodium Impurity 35 Loxoprofen Sodium Impurity 35
Dashatinib impurity 46 Dashatinib impurity 46
(R,S)-N-Acetyl-3,4-dimethoxy phenylalanine (R,S)-N-Acetyl-3,4-dimethoxy phenylalanine 27313-65-1 C13H17NO5
Oxytocin oxide impurity reference substance Oxytocin oxide impurity reference substance
Troxipide Impurity 7 Troxipide Impurity 7
Bendamustine Impurity 37A Bendamustine Impurity 37A
Brivaracetam Impurity 50 Brivaracetam Impurity 50
6-Hydroxymoxifloxacin Impurities 6-Hydroxymoxifloxacin Impurities
(S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl)thio)ethyl)amino)-3-hydroxy-4-oxobutanoic acid (S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl)thio)ethyl)amino)-3-hydroxy-4-oxobutanoic acid
(S)-dimethyl 2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate (S)-dimethyl 2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate 67676-60-2 C22H27ClN8O5
Furoxine GSK Open Ring Impurity Furoxine GSK Open Ring Impurity
Isavuconazole Impurity 48 Isavuconazole Impurity 48
5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-hydroxyquinolin-2(1H)-one) 5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-hydroxyquinolin-2(1H)-one)
2-(4-(2-(4-(1-(2-methoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid 2-(4-(2-(4-(1-(2-methoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid C27H35N3O3
Tafluprost Impurity 19 Tafluprost Impurity 19
Rosuvastatin Impurity 162 Rosuvastatin Impurity 162
Rosuvastatin Impurity 151 Rosuvastatin Impurity 151
Rosuvastatin Impurity 148 Rosuvastatin Impurity 148
FUROSEMIDE ACYL-B-D-GLUCURONIDE FUROSEMIDE ACYL-B-D-GLUCURONIDE 72967-59-0 C18H19ClN2O11S
Digoxin Impurity 1 Digoxin Impurity 1
Bimatoprost Impurity 23 Bimatoprost Impurity 23
Oxacillin Impurity IMPA Oxacillin Impurity IMPA
Rebamipide Impurity X(Rebamipide Impurity 7) Rebamipide Impurity X(Rebamipide Impurity 7)
(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3-fluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol (1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3-fluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol
sodium 1-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethane-1-sulfonate sodium 1-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethane-1-sulfonate
Pyrimidine, 4,6-dichloro-5-nitroso-2-(propylthio)- Pyrimidine, 4,6-dichloro-5-nitroso-2-(propylthio)- 2512210-19-2 C7H7Cl2N3OS
5-Pyrimidinamine, 4,6-dichloro-N-hydroxy-2-(propylthio)- 5-Pyrimidinamine, 4,6-dichloro-N-hydroxy-2-(propylthio)- 2517939-84-1 C7H9Cl2N3OS
(R)-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)benzenediazonium tetrafluoroborate (R)-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)benzenediazonium tetrafluoroborate 1630761-21-5 C11H11N4O+
8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 1-oxide 8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 1-oxide
Bisoprolol Impurity 40 Bisoprolol Impurity 40
2H-Naphtho[1,2-b]pyran-6-ol, 2,5-dimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrienyl]- (9CI) 2H-Naphtho[1,2-b]pyran-6-ol, 2,5-dimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrienyl]- (9CI) 65941-19-7 C31H40O2
Amifostine Impurity 15 Amifostine Impurity 15 10297-31-1 C7H17Br3N2
Doxylamine Impurity G Doxylamine Impurity G
Phenoxymethylpenicillin Potassium Impurity 8 Phenoxymethylpenicillin Potassium Impurity 8
Tegoprazan Impurity 4 Tegoprazan Impurity 4
Bumetanide Impurity 23 Bumetanide Impurity 23
Rocuronium Bromide Impurity 34、35、36 Rocuronium Bromide Impurity 34、35、36
Vinpocetine impurity C Vinpocetine impurity C 70155-05-4 C23H28N2O3
Cloxacillin Impurity X Cloxacillin Impurity X
1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxamide 1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxamide
Perospirone Impurity 25 Perospirone Impurity 25
Paxlovid Impurity 16 Paxlovid Impurity 16
3-(2-(cyclopent-1-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide 3-(2-(cyclopent-1-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide
Fondaparinux sodium impurity 17 Fondaparinux sodium impurity 17
Fondaparinux sodium impurity 12 Fondaparinux sodium impurity 12
Piperacillin impurity L Piperacillin impurity L
Piperacillin Impurity X Piperacillin Impurity X
ETHYLTRITYLETHER ETHYLTRITYLETHER 968-39-8 C21H20O
Bosutinib Impurity 41 Bosutinib Impurity 41
(S)-3-Dimethylamino-3-phenylpropanol (S)-3-Dimethylamino-3-phenylpropanol 82769-75-3 C11H17NO
Valdecoxib N-Oxide Valdecoxib N-Oxide
Olodaterol Impurity 23 Olodaterol Impurity 23
Miglitol Isomer impurities C Miglitol Isomer impurities C
4-Desacetyl Vincristine 4-Desacetyl Vincristine 3704-01-6 C44H54N4O9
Relugolix Impurity 91 Relugolix Impurity 91
D,L N-Desmethylvenlafaxine D,L N-Desmethylvenlafaxine 149289-30-5 C16H25NO2
PIVALOYLOXYMETHYL 6-AMINOPENICILANATE PIVALOYLOXYMETHYL 6-AMINOPENICILANATE 25031-08-7 C14H22N2O5S
(9S)-9-Amino-9-deoxoerythromycin (9S)-9-Amino-9-deoxoerythromycin 26116-56-3 C37H70N2O12
NSC525120 NSC525120 10221-08-6 C8H7Cl3
3-(2-cyanoethyl-(2-hydroxyethyl)amino)propanenitrile 3-(2-cyanoethyl-(2-hydroxyethyl)amino)propanenitrile 6305-56-2 C8H13N3O
TRANS-4-[[(2-AMINOPHENYL)METHYL]AMINO]-CYCLOHEXANOL TRANS-4-[[(2-AMINOPHENYL)METHYL]AMINO]-CYCLOHEXANOL 46727-91-7 C13H20N2O
Citalopram Related Compound F Citalopram Related Compound F
(+)-Tamsulosin (+)-Tamsulosin 106138-88-9 C20H28N2O5S
2-Pyrrolidinecarboxamide,1-(hydroxyacetyl)-,(S)-(9CI) 2-Pyrrolidinecarboxamide,1-(hydroxyacetyl)-,(S)-(9CI) 96166-39-1 C7H12N2O3
1H-Pyrazole,3-ethoxy-5-methyl-1-phenyl-(9CI) 1H-Pyrazole,3-ethoxy-5-methyl-1-phenyl-(9CI) 300543-31-1 C12H14N2O
N-(2-Phenoxyphenyl)methansulfonamid N-(2-Phenoxyphenyl)methansulfonamid 51765-51-6 C13H13NO3S
4-methoxy-2,3,5-trimethylpyridine 4-methoxy-2,3,5-trimethylpyridine 109371-19-9 C9H13NO
methylprednisolone 17-hemisuccinate methylprednisolone 17-hemisuccinate 77074-42-1 C26H34O8
8-hydroxymethylriboflavin 8-hydroxymethylriboflavin 52134-62-0 C17H20N4O7
RS 42358-197 RS 42358-197 135729-55-4 C19H23ClN2O
acetylthiamine acetylthiamine 3419-28-1
deacetylcephalosporin C deacetylcephalosporin C 1476-46-6 C14H19N3O7S
4-(2-Cyanophenyl)benzyl alcohol 4-(2-Cyanophenyl)benzyl alcohol 154709-19-0 C14H11NO
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