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Structure Chemical Name CAS MF
"mixture of 2-amino-9-[[2-(hydroxymethoxy) ethoxy]methyl]-1,9-dihydro-6H-purin-6-one and 2-amino-9-[[2-(hydroxyethoxy)methoxy]methyl]-1,9- dihydro-6H-purin-6-one,"
Imidafenacin Related Compound 11 Imidafenacin Related Compound 11 170105-09-6 C19H17N3
4-[3-(Hydroxymethyl)phenoxy]benzonitrile 4-[3-(Hydroxymethyl)phenoxy]benzonitrile 888967-63-3 C14H11NO2
Acetaminophen Impurity B Acetaminophen Impurity B 98966-17-7 C16H16N2O4
Furosemide Impurity 2 Furosemide Impurity 2 C12H11ClN2O5S
Ribavirin Impurity I Ribavirin Impurity I
Silodosin Impurity 2 Silodosin Impurity 2
Tenofovir Impurity 52 Tenofovir Impurity 52 146297-30-5
Amifostine Impurity 7 Amifostine Impurity 7 174397-83-2 C7H16Br2N2
Bendamustine Impurity 31 Bendamustine Impurity 31
Carbidopa Impurity 2 Carbidopa Impurity 2 1361017-74-4 C11H16N2O4
Cefazolin Impurity 2 Cefazolin Impurity 2
Cefminox Sodium Impurity 8 Cefminox Sodium Impurity 8
Dapagliflozin Impurity 28 Dapagliflozin Impurity 28
Erlotinib Impurity 51 Erlotinib Impurity 51 115665-66-2 C8H6BrNO2
Oseltamivir Impurity 18 Oseltamivir Impurity 18
Plerixafor Impurity 6 Plerixafor Impurity 6
Pregabalin Impurity 49 Pregabalin Impurity 49 1568110-05-3 C10H21NO2
Rivaroxaban Impurity 79 Rivaroxaban Impurity 79 1642601-00-0 C38H38N4O12
Rocuronium Bromide Impurity 37 Rocuronium Bromide Impurity 37
Rosuvastatin Impurity 4 Rosuvastatin Impurity 4 1899869-35-2 C19H22FN3O3S
Fludarabine EP impurity K Fludarabine EP impurity K
Ropivacaine Impurity 28 Ropivacaine Impurity 28
Ropivacaine Impurity 6 Ropivacaine Impurity 6
Solifenacin ring opening Impurity 11 Solifenacin ring opening Impurity 11
Sugammadex sodium Org210839-1 Impurity Sugammadex sodium Org210839-1 Impurity
Sugammadex sodium Org284426-1 Impurity Sugammadex sodium Org284426-1 Impurity
Bendamustine Related Impurity 6 Bendamustine Related Impurity 6
Butyphthalide impurity 39 Butyphthalide impurity 39 1841089-57-3 C24H28O4
Butyphthalide impurity 45 Butyphthalide impurity 45
Dapoxetine impurity 18 Dapoxetine impurity 18
Febuxostat Impurity 76 Febuxostat Impurity 76
Febuxostat Impurity 91 Febuxostat Impurity 91
Ipratropium Bromide Impurity 1 Ipratropium Bromide Impurity 1 C20H29Br2NO3
Lenvatinib Impurity 18 Lenvatinib Impurity 18
Moxifloxacin Impurity 44 Moxifloxacin Impurity 44 1048972-52-6 C14H12FNO5
Nintedanib Impurity 32 Nintedanib Impurity 32
Olsalazine Impurity C Olsalazine Impurity C
Parecoxib sodium Impurity 33 Parecoxib sodium Impurity 33
Tofacitinib Impurity 96 Tofacitinib Impurity 96
Vildagliptin Impurity ZA5 Vildagliptin Impurity ZA5
Linagliptin Impurity CD10925 Linagliptin Impurity CD10925
Nintedanib Impurity N Nintedanib Impurity N
(2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3-(4- hydroxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate (2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3-(4- hydroxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 1079083-63-8 C27H29ClO10
Vildagliptin Impurity 25 Vildagliptin Impurity 25 1563006-28-9 C7H10N2O2
(2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3- (4-methoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate (2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3- (4-methoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 872980-38-6 C28H31ClO10
Vinorelbine Impurity DX Vinorelbine Impurity DX 89368-94-5 C46H55BrN4O8
(1r,4r)-4-(7,9-dibromo-2,3-dihydro-1H-benzo[e][1,4]diazepin-4(5H)-yl)cyclohexanol hydrochloride (1r,4r)-4-(7,9-dibromo-2,3-dihydro-1H-benzo[e][1,4]diazepin-4(5H)-yl)cyclohexanol hydrochloride 2376577-10-3 C15H21Br2ClN2O
Procatero Impurity Procatero Impurity 90098-93-4 C11H9NO3
4-((2-amino-3,5-dibromobenzyl)amino)cyclohexanone hydrochloride 4-((2-amino-3,5-dibromobenzyl)amino)cyclohexanone hydrochloride C13H17Br2ClN2O
Pazufloxacin Impurity 5 Pazufloxacin Impurity 5 777824-29-0 C15H15FN2O2
Vonoprazan Impurity Z-4 Vonoprazan Impurity Z-4
Olanzapine impurity O Olanzapine impurity O C17H20N4S
Cabozantinib impurity 26 Cabozantinib impurity 26 2840522-80-5 C28H25ClFN3O5
Dapoxetine impurity 24 Dapoxetine impurity 24 1445281-20-8 C20H20O4S
Tazobactam Impurity E Tazobactam Impurity E
Vildagliptin Impurity 42 Vildagliptin Impurity 42
Canagliflozin Impurity 45 Canagliflozin Impurity 45
Pralatrexate Impurity 5 Pralatrexate Impurity 5
Pitavastatin Impurity 61 Pitavastatin Impurity 61
Sitafloxacin Impurity 17 Sitafloxacin Impurity 17
Cilastatin Isomer Impurity Cilastatin Isomer Impurity
Prednicarbate Impurity E Prednicarbate Impurity E
Olprinone Impurity B Olprinone Impurity B
Canagliflozin Impurity 51 Canagliflozin Impurity 51
Canagliflozin Impurity 67 Canagliflozin Impurity 67
フェノフィブリン酸1,1-ジメチル-2-(1-メチルエトキシ)-2-オキソエチルエステル フェノフィブリン酸1,1-ジメチル-2-(1-メチルエトキシ)-2-オキソエチルエステル 217636-48-1 C24H27ClO6
(S-(R* S*))-(+)-N-(1-PHENYLETHYL)-1- AZ& (S-(R* S*))-(+)-N-(1-PHENYLETHYL)-1- AZ& 120570-09-4 C15H24Cl2N2
Verapamil Related Compound B (4-[(3,4-Dimethoxyphenethyl)(methyl)amino]-2-(3,4-dimethoxyphenyl)-2-isopropylbutanenitrile hydrochloride) Verapamil Related Compound B (4-[(3,4-Dimethoxyphenethyl)(methyl)amino]-2-(3,4-dimethoxyphenyl)-2-isopropylbutanenitrile hydrochloride) 1794-55-4 C26H37ClN2O4
N-(5-(Propionyloxy)pentyl Acrylate) rac-trans-Laudanosine Benzenesulfonate N-(5-(Propionyloxy)pentyl Acrylate) rac-trans-Laudanosine Benzenesulfonate 155913-32-9 C38H49NO11S
1,8-ditosyl-1,4,8,11-tetraazacyclotetradecane dihydrochloride 1,8-ditosyl-1,4,8,11-tetraazacyclotetradecane dihydrochloride C24H38Cl2N4O4S2
Mupirocin iMpurity 5 Mupirocin iMpurity 5 C26H44O9
Tolvaptan Impurity 11 Tolvaptan Impurity 11 150683-27-5 C25H23ClN2O3
methyl 2-(4-(2-chloroacetyl)phenyl)-2-methylpropanoate methyl 2-(4-(2-chloroacetyl)phenyl)-2-methylpropanoate 1638785-19-9 C13H15ClO3
1155863-81-2 1155863-81-2 1155863-81-2 C23H19F2N3O6
1175018-73-1 1175018-73-1 1175018-73-1 C12H14ClN
Clopidogrel Impurity 44 Clopidogrel Impurity 44 C15H14ClNO2S
5-ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,5,6-tetrahydro-2H- benzo[b][1,4]oxazine-5,7-dicarboxylate 5-ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,5,6-tetrahydro-2H- benzo[b][1,4]oxazine-5,7-dicarboxylate 949155-13-9 C20H22ClNO5
Nifedipine impurity 06 Nifedipine impurity 06 C19H22N2O6
Moxifloxacin Impurity 10 Moxifloxacin Impurity 10
Ticagrelor Impurity 11 Ticagrelor Impurity 11
Parecoxib Impurity 18 Parecoxib Impurity 18
Teneligliptin Impurity 9 DiHCl Teneligliptin Impurity 9 DiHCl
(3R,4R,5S)-ethyl 4,5-diacetamido-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate (3R,4R,5S)-ethyl 4,5-diacetamido-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate 1191921-01-3 C18H30N2O5
Blonanserin Impurity L Blonanserin Impurity L
Cefazolin USP Impurity E Cefazolin USP Impurity E
Exemestane Impurity 5 Exemestane Impurity 5
Medetomidine Impurity 28 Medetomidine Impurity 28 2240179-64-8 C23H28N2
Peramivir Impurity 4 Peramivir Impurity 4 229615-12-7 C15H28N4O4
Peramivir Impurity 9 Peramivir Impurity 9
PidotimodImpurity T PidotimodImpurity T
(Z)-methyl 3-(hydroxy(phenyl)methylene)-2-oxoindoline-6-carboxylate (Z)-methyl 3-(hydroxy(phenyl)methylene)-2-oxoindoline-6-carboxylate 2093243-16-2 C17H13NO4
Lenvatinib Impurity 10 Lenvatinib Impurity 10
Nifuratel Impurity 10 Nifuratel Impurity 10
Ozagrel Impurity 16 Ozagrel Impurity 16 143945-86-2 C13H12N2O2
Peramivir Impurity 36 Peramivir Impurity 36
4-クロロ-7-(2-クロロエトキシ)-6-(2-メトキシエトキシ)キナゾリン 4-クロロ-7-(2-クロロエトキシ)-6-(2-メトキシエトキシ)キナゾリン 183322-20-5 C13H14Cl2N2O3
METHYL 2-(O-NITROBENZYLIDENE)-ACETOACETATE METHYL 2-(O-NITROBENZYLIDENE)-ACETOACETATE 39562-27-1 C12H11NO5
Sugammadex sodium Impurity 48 Sugammadex sodium Impurity 48
Sugammadex sodium Impurity 47 Sugammadex sodium Impurity 47
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