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Structure Chemical Name CAS MF
Ampicillin Impurity U Ampicillin Impurity U
Esmolol impurity B Esmolol impurity B
Canagliflozin Hydroperoxide Impurity Canagliflozin Hydroperoxide Impurity
Esmolol impurity F Esmolol impurity F
(E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid (E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid 40038-46-8 C13H10N2O3
Sitagliptin EP Impurity 6 Sitagliptin EP Impurity 6
Vonoprazan-005 Vonoprazan-005 2514735-09-0 C33H27F3N4
Diquafosol Impurity E Diquafosol Impurity E
D-erythro-Hexonic acid, 6-S-2-benzothiazolyl-2,4-dideoxy-6-thio-, 1,1-dimethylethyl ester D-erythro-Hexonic acid, 6-S-2-benzothiazolyl-2,4-dideoxy-6-thio-, 1,1-dimethylethyl ester 1469771-46-7 C17H23NO4S2
Bortezomib Impurity 39 Bortezomib Impurity 39
(1R,2R,4S,5S,7s,9R)-9-butyl-7-(((S)-3-hydroxy-2-phenylpropanoyl)oxy)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium bromide (1R,2R,4S,5S,7s,9R)-9-butyl-7-(((S)-3-hydroxy-2-phenylpropanoyl)oxy)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium bromide
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2463617-49-2 C51H56N16O4
1-Demethyl Hydroxy Daunomycinone 1-Demethyl Hydroxy Daunomycinone 58199-98-7 C20H16O9
(S)-2-(butylsulfonamido)-3-(4-(4-(1-methylpiperidin-4-yl)butoxy)phenyl)propanoic acid (S)-2-(butylsulfonamido)-3-(4-(4-(1-methylpiperidin-4-yl)butoxy)phenyl)propanoic acid 1631053-75-2 C23H38N2O5S
Benzoic acid, 4-[(1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]- Benzoic acid, 4-[(1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]- 906673-43-6 C14H11BO5
Loxoprofen Sodium Impurity 35 Loxoprofen Sodium Impurity 35
1H-Purine-2,6-dione, 8-(3-amino-1-piperidinyl)-7-(3-chloro-2-buten-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]- 1H-Purine-2,6-dione, 8-(3-amino-1-piperidinyl)-7-(3-chloro-2-buten-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]- 2138805-26-0 C25H29ClN8O2
Dashatinib impurity 46 Dashatinib impurity 46
3-(3-Chloropropyl)-7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one 3-(3-Chloropropyl)-7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one 85175-65-1 C15H20ClNO3
N-DesMethyl TelMisartan N-DesMethyl TelMisartan 144701-81-5 C32H28N4O2
N-De[2-(Methylsulfonyl)ethyl] Lapatinib N-De[2-(Methylsulfonyl)ethyl] Lapatinib 697299-82-4 C26H20ClFN4O2
N-[(3,4-DiMethoxy-2-pyridinyl)Methyl] Pantoprazole Sulfide N-[(3,4-DiMethoxy-2-pyridinyl)Methyl] Pantoprazole Sulfide 957470-58-5 C24H24F2N4O5S
3-Oxo Rosuvastatin SodiuM Salt 3-Oxo Rosuvastatin SodiuM Salt 1346606-28-7 C22H25FN3NaO6S
Famciclovir Related Compound A (20 mg) (2-[2-(2-Amino-9H-purin-9-yl)ethyl]propane-1,3-diol hydrochloride) Famciclovir Related Compound A (20 mg) (2-[2-(2-Amino-9H-purin-9-yl)ethyl]propane-1,3-diol hydrochloride) 246021-75-0 C10H16ClN5O2
Olopatadine USP RC B Olopatadine USP RC B 173174-07-7 C21H23NO4
Ramipril Related Compound A (30 mg) ((2S,3aS,6aS)-1-[(S)2-[[(S)-1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid) Ramipril Related Compound A (30 mg) ((2S,3aS,6aS)-1-[(S)2-[[(S)-1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid) 108313-11-7 C22H30N2O5
4'-(Difluoromethoxy)acetanilide 4'-(Difluoromethoxy)acetanilide 22236-11-9 C9H9F2NO2
EthanediaMide, N1-(5-chloro-2-pyridinyl)-N2-[(1S,2S,4R)-4-[(diMethylaMino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-Methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]aMino]cyclohexyl]- EthanediaMide, N1-(5-chloro-2-pyridinyl)-N2-[(1S,2S,4R)-4-[(diMethylaMino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-Methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]aMino]cyclohexyl]- 1255529-28-2 C24H30ClN7O4S
N-carbaMoyl-2-Methyl benzene sulfonaMide N-carbaMoyl-2-Methyl benzene sulfonaMide 39051-77-9 C8H10N2O3S
Capecitabin iMpurity Capecitabin iMpurity 71609-08-0 C9H12FN3O4
4-[[(2RS)-2-Hydroxy-3-(isopropylaMino)propyl]oxy]benzaldehydeHydrochloride (4-[(2RS)-2-Hydroxy-3-[(1-Methylethyl)aMino]propoxy]benzaldehydeHydrochloride) 4-[[(2RS)-2-Hydroxy-3-(isopropylaMino)propyl]oxy]benzaldehydeHydrochloride (4-[(2RS)-2-Hydroxy-3-[(1-Methylethyl)aMino]propoxy]benzaldehydeHydrochloride)
Ibuprofen IMp. I (EP): 1-(2-Methylpropyl)-4-[(3RS)-3-[4-(2-Methylpropyl)phenyl]butyl]benzene Ibuprofen IMp. I (EP): 1-(2-Methylpropyl)-4-[(3RS)-3-[4-(2-Methylpropyl)phenyl]butyl]benzene
3-Quinolinecarboxylic acid, 7-[(7S)-7-aMino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-, hydrate 3-Quinolinecarboxylic acid, 7-[(7S)-7-aMino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-, hydrate 163253-37-0 C19H20ClF2N3O4
3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid 3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid 61260-15-9 C10H11O5P
（R，S）Nアセチル3，4ジメトキシフェニルアラニン （R，S）Nアセチル3，4ジメトキシフェニルアラニン 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
NA NA
1,3-Benzenedicarboxamide, 5-[acetyl(2,3-dihydroxypropyl)amino]-N1,N3-bis(2,3-dihydroxypropyl)-2,4-diiodo- 1,3-Benzenedicarboxamide, 5-[acetyl(2,3-dihydroxypropyl)amino]-N1,N3-bis(2,3-dihydroxypropyl)-2,4-diiodo- 1651211-78-7 C19H27I2N3O9
(2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxy-3-ethylbenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxy-3-ethylbenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
(E)-1-(4-(2-carboxyvinyl)benzyl)-1H-imidazole 3-oxide (E)-1-(4-(2-carboxyvinyl)benzyl)-1H-imidazole 3-oxide
Vonoprazan Impurity B-2 Vonoprazan Impurity B-2
2-(Cyanomethylthio)acetic acid 2-(Cyanomethylthio)acetic acid 55817-29-3 C4H5NO2S
Budesonide Impurity 31 Budesonide Impurity 31
Budesonide Impurity 23 Budesonide Impurity 23
Hexanoic acid, 3-(chloromethyl)-, (3R)- Hexanoic acid, 3-(chloromethyl)-, (3R)- 2101641-90-9 C7H13ClO2
Bisoprolol Impurity Bisoprolol Impurity 2226263-68-7 C18H31NO4
2(1H)-Quinolinone, 5-[(1R)-1,2-dihydroxyethyl]-8-(phenylmethoxy)- 2(1H)-Quinolinone, 5-[(1R)-1,2-dihydroxyethyl]-8-(phenylmethoxy)- 1261219-83-3 C18H17NO4
Tofacitinib Impurity Tofacitinib Impurity 2504210-41-5 C29H38N10O2
Tofacitinib Impurity 82 Tofacitinib Impurity 82
Aztreonam Impurity 3 Aztreonam Impurity 3
Aztreonam Impurity 9 Aztreonam Impurity 9
Bendamustine Impurity 24 Bendamustine Impurity 24
Bosutinib Impurity 4 Bosutinib Impurity 4 142072-71-7 C10H11NO4
Cefazolin EP Impurity L Cefazolin EP Impurity L
Cefoxitin Impurity 2 Cefoxitin Impurity 2
Clotrimazole Impurity 4 Clotrimazole Impurity 4
Dasatinib impurity 29 Dasatinib impurity 29 1417651-54-7 C21H16Cl3N7OS
Erlotinib Impurity 58 Erlotinib Impurity 58 2246399-22-2 C10H12N2O3
Lamivudine Impurity 4 Lamivudine Impurity 4
Olaparib Impurity 37 Olaparib Impurity 37
Oseltamivir Impurity 3 Oseltamivir Impurity 3
Phenylephrine Impurity 2 Phenylephrine Impurity 2 C9H13NO2
Pitavastatin Impurity 23 Pitavastatin Impurity 23 1467166-39-7 C28H28FNO4
Pregabalin Impurity 24 Pregabalin Impurity 24
Rocuronium Bromide Impurity 11 Rocuronium Bromide Impurity 11
Rocuronium Bromide Impurity 24 Rocuronium Bromide Impurity 24
Rosuvastatin EP Impurity L Rosuvastatin EP Impurity L
Timolol EP Impurity J Timolol EP Impurity J
Trimetazidine Impurity 7 Trimetazidine Impurity 7
Cefazolin Impurity L Cefazolin Impurity L
Ceftazidime hetero trans oxidation Impurity Ceftazidime hetero trans oxidation Impurity
Regorafenib Impurity 17 Regorafenib Impurity 17
Ropivacaine Impurity 45 Ropivacaine Impurity 45 2726971-51-1
Sildenafil Impurity 17 Sildenafil Impurity 17 C22H30N6O4S
Sugammadex sodium Org199074-1 Impurity Sugammadex sodium Org199074-1 Impurity
Sugammadex sodium Org238832-1 Impurity Sugammadex sodium Org238832-1 Impurity
1-(4,8-bis-(2,2,2-trifluoroacetyl)-11-{4-[4,8,11-tris-(2,2,2-trifluoroacetyl)-1,4,8,11-tetraazacyclotetradec-1-ylMethyl]-benzyl}-1,4,8,11-tetraazacyclotetradec-1-yl)-2,2,2-trifluoroethanone 1-(4,8-bis-(2,2,2-trifluoroacetyl)-11-{4-[4,8,11-tris-(2,2,2-trifluoroacetyl)-1,4,8,11-tetraazacyclotetradec-1-ylMethyl]-benzyl}-1,4,8,11-tetraazacyclotetradec-1-yl)-2,2,2-trifluoroethanone 406939-93-3 C40H48F18N8O6
EMtricitabine iMpurity C EMtricitabine iMpurity C
RocuroniuMbroMide iMpurity F RocuroniuMbroMide iMpurity F
Ribavirin IMpurity E Ribavirin IMpurity E 58151-90-9 C15H16N4O6
3-メトキシ-5,6,9,10,11,12-ヘキサヒドロ-11-メチル-4aH-ベンゾフロ[3a,3,2-ef][2]ベンゾアゼピン 3-メトキシ-5,6,9,10,11,12-ヘキサヒドロ-11-メチル-4aH-ベンゾフロ[3a,3,2-ef][2]ベンゾアゼピン 664995-65-7 C17H19NO2
ジエチルカルバミン酸クロロメチル ジエチルカルバミン酸クロロメチル 133217-92-2 C6H12ClNO2
Solifenacin Impurity 7（Solifenacin EP Impurity D） Solifenacin Impurity 7（Solifenacin EP Impurity D） 2216750-52-4 C31H28N2O
Dyclonine Impurity 2 Dyclonine Impurity 2 66536-15-0 C13H16O2
Tigecycline Metabolite M6 (9-AniMoMinocycline) Tigecycline Metabolite M6 (9-AniMoMinocycline) 149934-19-0 C23H28N4O7
VerapaMil IMpurity G VerapaMil IMpurity G C27H38N2O4
Levofloxacin Impurity 23 Levofloxacin Impurity 23 2206825-95-6 C19H21ClFN3O4
Nitrendipine impurity 1 Nitrendipine impurity 1 1242511-98-3 C18H18N2O5
methyl 7-bromo-4-hydroxyisoquinoline-3-carboxylate methyl 7-bromo-4-hydroxyisoquinoline-3-carboxylate 1572439-66-7 C11H8BrNO3
Dapoxetine impurity Dapoxetine impurity 2242008-36-0 C28H26O3
Pregabalin Impurity 11 Pregabalin Impurity 11 177432-20-1 C7H11NO3
Pregabalin Impurity 6 Pregabalin Impurity 6 2102350-92-3 C9H15NO3
Sunitinib Impurity 2 Sunitinib Impurity 2
(2S,3R,4R,5S,6R)-2-(3-(4-ethoxybenzyl)phenyl)-6-(hydroxyl methyl)tetrahydro-2H-pyran-3,4,5-triol (2S,3R,4R,5S,6R)-2-(3-(4-ethoxybenzyl)phenyl)-6-(hydroxyl methyl)tetrahydro-2H-pyran-3,4,5-triol 2452300-89-7 C21H26O6
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