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Structure Chemical Name CAS MF
Vonoprazan Impurity 25 Vonoprazan Impurity 25
Blonanserin Impurity M Blonanserin Impurity M
Brexpiprazole Impurity H Brexpiprazole Impurity H
Cefaclor EP Impurity H Cefaclor EP Impurity H
Flupentixol Impurity B Flupentixol Impurity B
Ipratropium Bromide Impurity J Ipratropium Bromide Impurity J C20H29Br2NO3
Cefdinir impurity TU mixture Cefdinir impurity TU mixture
Fotagliptin Impurity 1 Fotagliptin Impurity 1
Rocuronium bromide Impurity 7 Rocuronium bromide Impurity 7
Tofacitinib Impurity 69 Tofacitinib Impurity 69
Benzenamine, 3-(2-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)- Benzenamine, 3-(2-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)- 641571-06-4 C11H10F3N3
Ciprofloxacin EP Impurity E Ciprofloxacin EP Impurity E 879005-96-6 C16H20FN3O
ethyl 2-(3-cyano-4-propoxyphenyl)-4-methylthiazole-5- carboxylate ethyl 2-(3-cyano-4-propoxyphenyl)-4-methylthiazole-5- carboxylate C17H18N2O3S
(2S,5R,6S)-6-bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Diphenylmethyl Ester (2S,5R,6S)-6-bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid Diphenylmethyl Ester 74189-25-6 C21H20BrNO3S
Trelagliptin Impurity 5 Trelagliptin Impurity 5 2087874-92-6 C22H24FN5O5
9H-Purin-6-amine, 9-beta-D-arabinofuranosyl-2-methoxy- 9H-Purin-6-amine, 9-beta-D-arabinofuranosyl-2-methoxy- 51742-84-8 C11H15N5O5
2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid 1-oxide 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid 1-oxide 2418591-42-9 C16H16N2O4S
Ropivacaine impurity Ropivacaine impurity 1786841-18-6 C12H14N2O3
Amlodipine Impurity 33 Amlodipine Impurity 33 C26H31ClN2O8S
Erlotinib Impurity 36 HCl Erlotinib Impurity 36 HCl
Rasagiline Impurity 6 HCl Rasagiline Impurity 6 HCl 138911-07-6 C9H11NO
Taladafil impurity Taladafil impurity 1356345-67-9 C23H23N3O4
Mirabegron 2-Oxo Impurity Mirabegron 2-Oxo Impurity 1684453-05-1 C21H22N4O3S
Riluzole 4-Bromo Impurity Riluzole 4-Bromo Impurity 144631-82-3 C8H4BrF3N2OS
Furosemide Impurity 8 Furosemide Impurity 8 41332-59-6 C7H4Cl2O5S
Irinotecan Impurity 29 Irinotecan Impurity 29 797762-11-9 C22H24N2O4
Empagliflozin Impurity 41 Empagliflozin Impurity 41
Empagliflozin Impurity 47 Empagliflozin Impurity 47
Irbesartan Irbesartan 141745-36-0 C23H26N6O
Pranoprofen Impurity 5 Pranoprofen Impurity 5 145986-74-9 C16H15NO3
Fluconazole Impurity Fluconazole Impurity 1609495-95-5 C15H14FN9O
1,4-bis(4-((1,4,8,11-tetraazacyclotetradecan-1-yl)methyl)benzyl)- 1,4,8,11-tetraazacyclotetradecane dodecahydrochloride 1,4-bis(4-((1,4,8,11-tetraazacyclotetradecan-1-yl)methyl)benzyl)- 1,4,8,11-tetraazacyclotetradecane dodecahydrochloride C46H96Cl12N12
Entacapone Impurity 6 Entacapone Impurity 6
Erythromycin EP Impurity L Erythromycin EP Impurity L 127955-44-6 C37H65NO14
Levetiracetam impurity 1 Levetiracetam impurity 1 1342566-28-2 C8H16N2O3
2-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)acetohydrazide hydrochloride 2-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)acetohydrazide hydrochloride 1485732-85-1 C8H11F3N6O
(R)-N-(1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo- 1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)formamide (R)-N-(1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo- 1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)formamide 2087874-91-5 C19H20FN5O3
Emtricitabine Impurity F Emtricitabine Impurity F
Pitavastatin Impurity 44 Pitavastatin Impurity 44 586966-55-4 C29H32FNO4
Tirofiban Impurity F Tirofiban Impurity F
Tofacitinib Impurity 74 Tofacitinib Impurity 74
Tofacitinib Impurity 83 Tofacitinib Impurity 83
Aztreonam Impurity 4 Aztreonam Impurity 4
Lercanidipine Impurity 25 Lercanidipine Impurity 25 100427-22-3 C36H41N3O6
Oseltamivir Impurity 30 Oseltamivir Impurity 30
Pitavastatin Impurity 25 Pitavastatin Impurity 25 1356998-79-2 C19H16FN
Rocuronium Bromide Impurity 16 Rocuronium Bromide Impurity 16
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
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
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
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
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
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