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Pharmaceutical Impurity Reference Standards

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Structure Chemical Name CAS MF
Rocuronium Bromide Impurity 25 Rocuronium Bromide Impurity 25
Telmisartan Impurity 5 Telmisartan Impurity 5 885046-20-8 C19H19ClN4
Tinidazole Impurity 2 Tinidazole Impurity 2 140165-55-5 C6H12N2O4S
3-[3-({[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl}(methyl)amino)propyl]-7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one hydrochloride 3-[3-({[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl}(methyl)amino)propyl]-7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one hydrochloride 1086026-38-1 C27H34N2O5*ClH
Amoxicillin Impurity Z Amoxicillin Impurity Z C16H19N3O5S
Amoxicillin Impurity Z Amoxicillin Impurity Z C16H19N3O5S
Atracurium Impurity P Atracurium Impurity P
Atracurium Impurity U Atracurium Impurity U
Ceftazidime side chain Impurity Ceftazidime side chain Impurity
Linagliptin Impurity 35 Linagliptin Impurity 35
Ropivacaine Impurity 1 Ropivacaine Impurity 1
Ropivacaine Impurity 46 Ropivacaine Impurity 46
Sugammadex sodium Org199425-1 Impurity Sugammadex sodium Org199425-1 Impurity
Sugammadex sodium Org244517-1 Impurity Sugammadex sodium Org244517-1 Impurity
Terbutaline Impurity 11 Terbutaline Impurity 11 2387020-93-9 C8H7BrO3
(2R,3R,4R,5S,6R)-2-(4-chloro-3-(4-(((R)-tetrahydrofuran- 3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H- pyran-3,4,5-triol (2R,3R,4R,5S,6R)-2-(4-chloro-3-(4-(((R)-tetrahydrofuran- 3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H- pyran-3,4,5-triol C23H27ClO7
Afatinib impurity 34 Afatinib impurity 34 2475095-50-0 C14H7ClF2N4O2
Avibactam Impurity 39 Avibactam Impurity 39 2089462-91-7 C15H22N2O3
Butyphthalide impurity 28 Butyphthalide impurity 28
Butyphthalide impurity 36 Butyphthalide impurity 36 2245275-82-3 C15H18O5
Canagliflozin Impurity 32 Canagliflozin Impurity 32
Carbocistein Impurity B Carbocistein Impurity B
Celecoxib Impurity 22 Celecoxib Impurity 22 921617-76-7 C17H13F3N2O3S
Emtricitabine Impurity RRO Emtricitabine Impurity RRO
Febuxostat Impurity 84 Febuxostat Impurity 84
Febuxostat Impurity 89 Febuxostat Impurity 89
Gefitinib Impurity T Gefitinib Impurity T
Ibrutinib Impurity 16 Ibrutinib Impurity 16
LCZ696(valsartan + sacubitril) impurity 35 LCZ696(valsartan + sacubitril) impurity 35
Lenvatinib Impurity 15 Lenvatinib Impurity 15
Montelukast sodium impurity I Montelukast sodium impurity I
Moxifloxacin Impurity 48 Moxifloxacin Impurity 48
Olsalazine Impurity A Olsalazine Impurity A
Ozagrel impurity E Ozagrel impurity E
Solifenacin impurity 22 Solifenacin impurity 22
Sunitinib Impurity YDEJ Sunitinib Impurity YDEJ
Tofacitinib Impurity 94 Tofacitinib Impurity 94
Topiroxostat Impurity 31 Topiroxostat Impurity 31
Sitafloxacin Impurity 9 Sodium Salt Sitafloxacin Impurity 9 Sodium Salt
Azilsartan Impurity 11 Azilsartan Impurity 11 91526-16-8 C12H12O6S
Pitavastatin Impurity 18 Sodium Salt Pitavastatin Impurity 18 Sodium Salt 1611499-16-1 C25H24FNO5
Saxagliptin Impurity 10 Saxagliptin Impurity 10
(1r,4r)-4-((2-amino-4-bromobenzyl)amino)cyclohexan-1-ol hydrochloride (1r,4r)-4-((2-amino-4-bromobenzyl)amino)cyclohexan-1-ol hydrochloride C13H20BrClN2O
Aztreonam Impurity 6 Aztreonam Impurity 6
Cetirizine impurity 14 Cetirizine impurity 14 C21H25ClN2O3
Vitamin B1 Impurity 1 Vitamin B1 Impurity 1 C12H17ClN4OS
Diquafosol Impurity UP2U Diquafosol Impurity UP2U 221169-12-6 C18H25N4NaO17P2
Pemetrexed disodium Impurity Pemetrexed disodium Impurity 17405-00-4 C7H5ClN2O2
Vonoprazan Impurity Z-1 Vonoprazan Impurity Z-1
Olanzapine impurity M Olanzapine impurity M C17H20N4S
Afatinib impurity 41 Afatinib impurity 41 69169-63-7 C5H9NO2
Vildagliptin Impurity 38 Vildagliptin Impurity 38 956508-24-0 C10H16N2O3
Tazobactam Impurity C Tazobactam Impurity C
Palonosetron Impurity TM1-YA Palonosetron Impurity TM1-YA
Pitavastatin Impurity 33 Pitavastatin Impurity 33
Pralatrexate Impurity 14 Pralatrexate Impurity 14
Pitavastatin Impurity 51 Pitavastatin Impurity 51
Pitavastatin Impurity 59 Pitavastatin Impurity 59
Lenvatinib Impurity 42 Lenvatinib Impurity 42
Tazobactam Impurity 8 Tazobactam Impurity 8
Prednicarbate Impurity B Prednicarbate Impurity B
Doxofylline Impurity 13 Doxofylline Impurity 13
Afatinib impurity 46 Afatinib impurity 46
Afatinib impurity 46 Afatinib impurity 46
Canagliflozin Impurity 60 Canagliflozin Impurity 60
Canagliflozin Impurity 65 Canagliflozin Impurity 65
Rosuvastatin Impurity 75 Rosuvastatin Impurity 75
Acyclovir Impurity 11 Acyclovir Impurity 11
Selexipag Impurity 6 Selexipag Impurity 6
Cabozantinib impurity N Cabozantinib impurity N
Barcitinib impurity-09 Barcitinib impurity-09 1187594-16-6 C14H13N7
Rotigotine Impurity 6 Rotigotine Impurity 6
Olprinone Impurity 7 Olprinone Impurity 7 2236020-10-1 C9H10N2
Cilastatin Impurity 2 Cilastatin Impurity 2
Cilastatin Impurity 7 Cilastatin Impurity 7
Dabrafenib Impurity 1 Dabrafenib Impurity 1 1907654-22-1 C24H21F3N4O3S2
Trelagliptin Impurity SJ Trelagliptin Impurity SJ 2087874-94-8 C40H42F2N10O6
Eliglustat Impurity 2（Eliglustat SR-Isomer） Eliglustat Impurity 2（Eliglustat SR-Isomer） 1092472-66-6 C23H36N2O4
Tamsulosin impurity C Tamsulosin impurity C C20H28N2O5S
Umeclidinium Bromide Impurity 9 DiHCl Umeclidinium Bromide Impurity 9 DiHCl 494778-36-8 C18H32N2O4
Flucloxacillin Impurity 4 Flucloxacillin Impurity 4
Ipratropium bromide Impurity 4 Ipratropium bromide Impurity 4 C20H29Br2NO3
Cefminox Impurity 6 Cefminox Impurity 6
Afatinib Impurity 55 Afatinib Impurity 55
Apremilast Impurity 30 Apremilast Impurity 30
Aprepitant Impurity 33 Aprepitant Impurity 33 502537-39-5 C20H20F7NO3
Brivaracetam Impurity 9 Brivaracetam Impurity 9
Esomeprazole Impurity 43 Esomeprazole Impurity 43
Etoricoxib Impurity 40 Etoricoxib Impurity 40
Lenvatinib Impurity 31 Lenvatinib Impurity 31
Oseltamivir Impurity 35 Oseltamivir Impurity 35 757965-01-8 C14H22O4
Palbociclib Impurity 39 Palbociclib Impurity 39
Posaconazole Impurity 75 Posaconazole Impurity 75
Rabeprazole Impurity 22 Rabeprazole Impurity 22
Sunitinib Impurity 12 Sunitinib Impurity 12
Ticagrelor Impurity 113 Ticagrelor Impurity 113
Ticagrelor Impurity 97 Ticagrelor Impurity 97
Tofacitinib Impurity 117 Tofacitinib Impurity 117
Trelagliptin Impurity 22 Trelagliptin Impurity 22
Trelagliptin Impurity 29 Trelagliptin Impurity 29
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