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Structure Chemical Name CAS MF
(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
Rosuvastatin Impurity 127 Rosuvastatin Impurity 127
Voriconazole Impurity 18 Voriconazole Impurity 18 321588-94-7 C22H18ClF4N7O
2-(DIETHYLAMINO)-N-(2,4-DIMETHYLPHENYL)ACETAMIDE 2-(DIETHYLAMINO)-N-(2,4-DIMETHYLPHENYL)ACETAMIDE 17289-53-1 C14H22N2O
Ropivacaine Impurity 45 Ropivacaine Impurity 45 2726971-51-1
5-phenyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbaldehyde 5-phenyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbaldehyde 881676-90-0 C16H12N2O3S
1-Pyrrolidinecarboxylic acid, 4-oxo-2-(3-thiazolidinylcarbonyl)-, 1,1-diMethylethyl ester, (2R)- 1-Pyrrolidinecarboxylic acid, 4-oxo-2-(3-thiazolidinylcarbonyl)-, 1,1-diMethylethyl ester, (2R)- 1415908-67-6 C13H20N2O4S
4'-((2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-[1,1'-biphenyl]-4-sulfonamide 4'-((2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-[1,1'-biphenyl]-4-sulfonamide
4-[[3-(1-Methylethyl)-2-oxo-5-oxazolidinyl]methoxy]benzaldehyde 4-[[3-(1-Methylethyl)-2-oxo-5-oxazolidinyl]methoxy]benzaldehyde 1173203-26-3 C14H17NO4
(Z)-2-[[[(2-Amino-4-thiazolyl)[[(2S,3S)-2-methyl-4-oxo-1-sulfo-3-azetidinyl] carbamoyl]methylene]amino]oxy]-2-methylpropionic acid methyl ester (Z)-2-[[[(2-Amino-4-thiazolyl)[[(2S,3S)-2-methyl-4-oxo-1-sulfo-3-azetidinyl] carbamoyl]methylene]amino]oxy]-2-methylpropionic acid methyl ester 1255912-98-1 C14H19N5O8S2
Crisaborole Impurity 17 Crisaborole Impurity 17
1-(3,4,5-Trimethoxy-benzyl)-piperazinedihydrochloride 1-(3,4,5-Trimethoxy-benzyl)-piperazinedihydrochloride 107049-57-0 C14H24Cl2N2O3
AtracuriuM IMpurity K (Mixture of cis, trans, cis, cis(K1 & K2), tans, trans IsoMer) AtracuriuM IMpurity K (Mixture of cis, trans, cis, cis(K1 & K2), tans, trans IsoMer)
Voriconazole Impurity 8 Voriconazole Impurity 8 239807-03-5 C16H14F3N5O
2-(ブロモメチル)-2-(2,4-ジクロロフェニル)-1,3-ジオキソラン-4-メタノール 2-(ブロモメチル)-2-(2,4-ジクロロフェニル)-1,3-ジオキソラン-4-メタノール 68751-57-5 C11H11BrCl2O3
Cyclopropanecarboxaldehyde, 2-[[(2,4-dimethyl-5-pyrimidinyl)oxy]methyl]-2-(3-fluorophenyl)-, (1R,2S)- Cyclopropanecarboxaldehyde, 2-[[(2,4-dimethyl-5-pyrimidinyl)oxy]methyl]-2-(3-fluorophenyl)-, (1R,2S)- 1369767-26-9 C17H17FN2O2
2-[2,6-ジメチル-3,5-ビス(エトキシカルボニル)-4-ピリジル]けい皮酸tert-ブチル 2-[2,6-ジメチル-3,5-ビス(エトキシカルボニル)-4-ピリジル]けい皮酸tert-ブチル 130996-24-6 C26H31NO6
Fasudil N-hydroxy iMpurity Fasudil N-hydroxy iMpurity 1350827-92-7 C14H17N3O3S
Vonoprazan Impurity 53 Vonoprazan Impurity 53
5-(1-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)amino)-2-hydroxyethyl)-8-hydroxyquinolin-2(1H)-one 5-(1-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)amino)-2-hydroxyethyl)-8-hydroxyquinolin-2(1H)-one 2226428-25-5 C24H28N2O3
Aripiprazole iMpurity 4 Aripiprazole iMpurity 4 1424857-63-5 C36H42Cl2N4O4
2,4-ジブロモ-m-クレゾール 2,4-ジブロモ-m-クレゾール 13321-75-0 C7H6Br2O
Aztreonam USP Impurity B Aztreonam USP Impurity B
1,1'-N-[Methylenebis(sulphanediylethylene)]bis(N'-Methyl-2-nitroethene-1,1-diaMine 1,1'-N-[Methylenebis(sulphanediylethylene)]bis(N'-Methyl-2-nitroethene-1,1-diaMine 1331637-48-9 C11H22N6O4S2
(S)-1-(2-(((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)amino)acetyl)pyrrolidine-2-carbonitrile (S)-1-(2-(((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)amino)acetyl)pyrrolidine-2-carbonitrile
Peramivir Intermediate Impurity 41 Peramivir Intermediate Impurity 41
17β-Carboxy-17-desoxy Dexamethasone 17β-Carboxy-17-desoxy Dexamethasone 75262-69-0 C21H27FO4
6-CHLORO-1-METHYLURACIL 6-CHLORO-1-METHYLURACIL 31737-09-4 C5H5ClN2O2
Dexamethasone EP impurities F Dexamethasone EP impurities F
5-chloro-1-(3-diMethylaMinopropyl)-1-(4-fluorophenyl)-phthalan 5-chloro-1-(3-diMethylaMinopropyl)-1-(4-fluorophenyl)-phthalan 64169-45-5 C19H21ClFNO
Nintedanib Impurity 29 Nintedanib Impurity 29
Oseltamivir Impurity 69 Oseltamivir Impurity 69
3-(N-Benzyl-N-methylamino)propiophenone hydrochloride 3-(N-Benzyl-N-methylamino)propiophenone hydrochloride 5409-62-1 C17H20ClNO
Afatinib IMpurity C Afatinib IMpurity C
Brimonidine Impurity B Brimonidine Impurity B
10-Acetyloxy Oxcarbazepine 10-Acetyloxy Oxcarbazepine 113952-21-9 C17H14N2O4
Aclidinium Bromide Impurity 1 Aclidinium Bromide Impurity 1
((6aR,9R,10aR)-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinolin-9-yl)methanol acetic acid salt ((6aR,9R,10aR)-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinolin-9-yl)methanol acetic acid salt
R-(-)-O-DESMETHYLVENLAFAXINE R-(-)-O-DESMETHYLVENLAFAXINE 142761-11-3 C16H25NO2
product/153101 product/153101
Emtricitabine Impurity 6 Emtricitabine Impurity 6
1-エチル-3-(3-ジメチルアミノプロピル)尿素 HYDROCHLORIDE 1-エチル-3-(3-ジメチルアミノプロピル)尿素 HYDROCHLORIDE 32897-26-0 C8H19N3O
Fudosteine Impurity 1 Fudosteine Impurity 1
Chlorhexidine Digluconate IMpurity K Chlorhexidine Digluconate IMpurity K 1381962-77-1 C22H29Cl2N9O
Moxifloxacin Impurity 11 Moxifloxacin Impurity 11
Ethyl 5,6-dichloro-3,4-dihydro-2(1H)-iminoquinazoline-3-acetate hydrobromide Ethyl 5,6-dichloro-3,4-dihydro-2(1H)-iminoquinazoline-3-acetate hydrobromide 70381-75-8 C12H13Cl2N3O2.BrH
Roxatidine Impurity 7 Roxatidine Impurity 7 876497-65-3 C7H6N2O2
Linagliptin Impurity B Linagliptin Impurity B
Citalopram impurity 9/Citalopram EP Impurity C Oxalate Salt/3-Oxo Citalopram Oxalate Salt/Citalopram Related Compound C Oxalate Salt/3-(3-Dimethylaminopropyl)-3-(4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone oxalate Citalopram impurity 9/Citalopram EP Impurity C Oxalate Salt/3-Oxo Citalopram Oxalate Salt/Citalopram Related Compound C Oxalate Salt/3-(3-Dimethylaminopropyl)-3-(4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone oxalate 1440961-11-4 C22H21FN2O6
Radicicol Impurity 1 Radicicol Impurity 1 459126-69-3
Bivalirudin Impurity 3 Bivalirudin Impurity 3 1310025-28-5 C98H138N24O33
eszopiclone iMpurity eszopiclone iMpurity
4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-7-oxo-3-(tetrahydro-2-furanyl)-, [5R-[3(S*),5α,6α(R*)]]- (9CI) 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-7-oxo-3-(tetrahydro-2-furanyl)-, [5R-[3(S*),5α,6α(R*)]]- (9CI) 106560-13-8 C12H15NO5S
3-[4-[2-イソプロポキシエトキシ)メチル]フェノキシ]-1,2-プロパンジオール 3-[4-[2-イソプロポキシエトキシ)メチル]フェノキシ]-1,2-プロパンジオール 1797024-50-0 C15H24O5
Pregabalin Impurity 3 Pregabalin Impurity 3 1928754-83-9 C12H22O3
Ticagrelor Impurity 1 Ticagrelor Impurity 1
Linagliptin Impurity 48 Linagliptin Impurity 48
CefazolinH020-02-I-02 CefazolinH020-02-I-02
Rocuronium Bromide Impurity 37、38、39 Rocuronium Bromide Impurity 37、38、39
N-エチル-L-バリン酸アシクロビル塩酸塩 N-エチル-L-バリン酸アシクロビル塩酸塩 1346617-49-9 C15H24N6O4.ClH
Benzamide, 3-hydrazino- (9CI) Benzamide, 3-hydrazino- (9CI) 473927-51-4 C7H9N3O
7-[4-(2-Piperidinyl)ethoxy]benzoyl Raloxifene (Raloxifene Impurity) 7-[4-(2-Piperidinyl)ethoxy]benzoyl Raloxifene (Raloxifene Impurity) 1159977-58-8 C42H44N2O6S
Cefoxitin Impurity 2 Cefoxitin Impurity 2
4-amino-5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one 4-amino-5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one C8H11FN3O4S-
Pitavastatin Impurity 40 Pitavastatin Impurity 40
3-(2-cyanoethyl-(2-hydroxyethyl)amino)propanenitrile 3-(2-cyanoethyl-(2-hydroxyethyl)amino)propanenitrile 6305-56-2 C8H13N3O
2,4(1H,3H)-Pyrimidinedione, 5-(2-fluoro-3-methoxyphenyl)-1-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3-[(2R)-2-(hydroxyamino)-2-phenylethyl]-6-methyl- 2,4(1H,3H)-Pyrimidinedione, 5-(2-fluoro-3-methoxyphenyl)-1-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3-[(2R)-2-(hydroxyamino)-2-phenylethyl]-6-methyl- 2486454-64-0 C28H24F5N3O4
Clindamycin impurity Clindamycin impurity 198080-64-7 C18H32N2O5S
2-(3,4-ジヒドロキシ-5-メトキシフェニル)-5,7-ジヒドロキシ-3-{[(2S,3R,4S,5S,6R)-3,4,5-トリヒドロキシ-6-(ヒドロキシメチル)オキサン-2-イル]オキシ}-1λ4-クロメン-1-イリウム 2-(3,4-ジヒドロキシ-5-メトキシフェニル)-5,7-ジヒドロキシ-3-{[(2S,3R,4S,5S,6R)-3,4,5-トリヒドロキシ-6-(ヒドロキシメチル)オキサン-2-イル]オキシ}-1λ4-クロメン-1-イリウム 71991-88-3 C22H23O12+
2-ピペラジニル-4-アミノ-6,7-ジメトキシキナゾリン 2-ピペラジニル-4-アミノ-6,7-ジメトキシキナゾリン 60547-97-9 C14H19N5O2
Formoterol O-β-D-Glucuronide Formoterol O-β-D-Glucuronide 615551-59-2 C25H32N2O10
IMP-EP-M IMP-EP-M 1193104-80-1 C60H79N2O15S+
Oxacillin sodium Impurity B Oxacillin sodium Impurity B
Doxorubicin EP Impurity C HBr Doxorubicin EP Impurity C HBr 60873-68-9 C27H29Br2NO10
(3S,5R,6E)-7-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-3,5-dihydroxy-6-heptenoic acid (3S,5R,6E)-7-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-3,5-dihydroxy-6-heptenoic acid 254452-86-3 C25H24FNO4
methyl 2,5-dihydroxybenzenesulfonate methyl 2,5-dihydroxybenzenesulfonate C7H8O5S
2-(Cyanomethylthio)acetic acid 2-(Cyanomethylthio)acetic acid 55817-29-3 C4H5NO2S
penilloic acids of piperacillin penilloic acids of piperacillin
Arformoterol Impurity 24 Arformoterol Impurity 24 477552-93-5 C19H24N2O3
1-[3,5-ビス(フェニルメトキシ)フェニル]-2-ブロモエタノン 1-[3,5-ビス(フェニルメトキシ)フェニル]-2-ブロモエタノン 28924-18-7 C22H19BrO3
SULPIRIDE IMPURITY B SULPIRIDE IMPURITY B
Spiro[4H-3,1-benzoxazine-4,7'(6'H)-pyrrolo[1,2-a]pyrazine]-1',2,4'(1H)-trione, 6'-(1,3-benzodioxol-5-yl)-2',3',8',8'a-tetrahydro-2'-methyl-, (8'aR)- Spiro[4H-3,1-benzoxazine-4,7'(6'H)-pyrrolo[1,2-a]pyrazine]-1',2,4'(1H)-trione, 6'-(1,3-benzodioxol-5-yl)-2',3',8',8'a-tetrahydro-2'-methyl-, (8'aR)- 2747958-44-5 C22H19N3O6
4,4'-ジヒドロキシアゾキシベンゼン 4,4'-ジヒドロキシアゾキシベンゼン 15596-57-3 C12H10N2O3
Iohexol ImpuritiesD Iohexol ImpuritiesD
4,6-ジブロモ-3-メチルフェノール 4,6-ジブロモ-3-メチルフェノール 13321-76-1 C7H6Br2O
3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-1,6-dihydro-6-oxo- 3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-1,6-dihydro-6-oxo- 762237-66-1 C23H25Cl2N5O2S2
Benzamide, 4-[7-[6-cyano-5-(trifluoromethyl)-3-pyridinyl]-8-oxo-6-thioxo-5,7-diazaspiro[3.4]oct-5-yl]-2-fluoro-N-[3-fluoro-4-[(methylamino)carbonyl]phenyl]-N-methyl- Benzamide, 4-[7-[6-cyano-5-(trifluoromethyl)-3-pyridinyl]-8-oxo-6-thioxo-5,7-diazaspiro[3.4]oct-5-yl]-2-fluoro-N-[3-fluoro-4-[(methylamino)carbonyl]phenyl]-N-methyl- 2894796-76-8 C29H21F5N6O3S
Ethanone, 2-bromo-1-(5-bromo-4-chloro-2-thienyl)- Ethanone, 2-bromo-1-(5-bromo-4-chloro-2-thienyl)- 1519427-10-1 C6H3Br2ClOS
5-chloro-N-(4-((S)-5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)-N-(2-(2-oxo-2-((((S)-2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)amino)ethoxy)ethyl)thiophene-2-carboxamide 5-chloro-N-(4-((S)-5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)-N-(2-(2-oxo-2-((((S)-2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)amino)ethoxy)ethyl)thiophene-2-carboxamide 1632463-24-1 C38H36Cl2N6O10S2
rac N-DesMethyl-N-(4-Methoxyphenethyl) Venlafaxine rac N-DesMethyl-N-(4-Methoxyphenethyl) Venlafaxine 1346601-14-6 C25H35NO3
3a,7a-dihydroxy-5-(1-methyl-1H-indole-3-carbonyl)-hexahydro-1H-benzo[d]imidazol-2(3H)-one 3a,7a-dihydroxy-5-(1-methyl-1H-indole-3-carbonyl)-hexahydro-1H-benzo[d]imidazol-2(3H)-one 171967-74-1 C17H19N3O4
Phenoxymethylpenicillin Potassium Impurity 8 Phenoxymethylpenicillin Potassium Impurity 8
Guanosine Guanosine 30747-23-0 C18H21N5O9
2,3-ジクロロ-5,6-ジフェニルピラジン 2,3-ジクロロ-5,6-ジフェニルピラジン 57038-62-7 C16H10Cl2N2
Ergoline-8-carboxylic acid, 2-bromo-9,10-didehydro-6-methyl-, (8β)- Ergoline-8-carboxylic acid, 2-bromo-9,10-didehydro-6-methyl-, (8β)- 478-83-1 C16H15BrN2O2
Calcium46 Calcium46 13981-77-6 Ca
5-Hydroxy Desloratadine 5-Hydroxy Desloratadine 117811-12-8 C19H19ClN2O
LCZ696(valsartan + sacubitril) impurity 35 LCZ696(valsartan + sacubitril) impurity 35
Bendamustine Related Impurity 21 Bendamustine Related Impurity 21
N-Desmethyl Clarithromycin (9E)-Oxime N-Desmethyl Clarithromycin (9E)-Oxime 127182-43-8 C37H68N2O13
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