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Structure Chemical Name CAS MF
Macitentan impurity B Macitentan impurity B 441796-13-0 C18H18Br2N6O4S
2H-1,4-Benzoxazin-3(4H)-one, 8-(2-chloro-1-hydroxyethyl)-6-(phenylmethoxy)- 2H-1,4-Benzoxazin-3(4H)-one, 8-(2-chloro-1-hydroxyethyl)-6-(phenylmethoxy)- 2383660-53-3 C17H16ClNO4
2-(4-メチルフェニル)-N,N,7-トリメチルイミダゾ[1,2-a]ピリジン-3-アセトアミド 2-(4-メチルフェニル)-N,N,7-トリメチルイミダゾ[1,2-a]ピリジン-3-アセトアミド 1346600-85-8 C19H21N3O
Olodaterol Impurity 18 Olodaterol Impurity 18 2727170-18-3
Topiroxostat IMpurity Topiroxostat IMpurity
(S)-N-(2-(1-(3-ethoxy-4-methoxyphenyl)-2-((2-hydroxyethyl)sulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide (S)-N-(2-(1-(3-ethoxy-4-methoxyphenyl)-2-((2-hydroxyethyl)sulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide C23H26N2O8S
Cefdinir CP Impurity F Cefdinir CP Impurity F
D-erythro-Pent-4-enose, 4,5-dideoxy-2,3-O-(1-methylethylidene)- (9CI) D-erythro-Pent-4-enose, 4,5-dideoxy-2,3-O-(1-methylethylidene)- (9CI) 155934-55-7 C8H12O3
Solifenacin Related Compound 13 Solifenacin Related Compound 13 1251905-45-9 C17H17NO2
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
Crisaborole Impurity 19 Crisaborole Impurity 19
Pregabalin Impurity 13 Pregabalin Impurity 13 1089315-68-3 C7H11NO3
Atracurium Impurity 5 Atracurium Impurity 5
Regorafenib Impurity 8 Regorafenib Impurity 8
Edoxaban Impurity 28 (1R,2R,4R) Edoxaban Impurity 28 (1R,2R,4R) 1255529-38-4 C21H30ClN5O5
Etoricoxib Impurity 40 Etoricoxib Impurity 40
2,2'-(oxybis((2-chloro-5-iodophenyl)methylene))diphenol 2,2'-(oxybis((2-chloro-5-iodophenyl)methylene))diphenol C26H18Cl2I2O3
Dextrorotation lansoprazole-N-oxide Dextrorotation lansoprazole-N-oxide
(S,R,S,S)-Orlistat (S,R,S,S)-Orlistat 111466-63-8 C29H53NO5
Emtricitabine Impurity CFTU2 Emtricitabine Impurity CFTU2
Sofosbuvir Impurity29 Sofosbuvir Impurity29
rac-(3R*)-3-(4-クロロフェニル)-N,N-ジメチル-3-(2-ピリジニル)プロパン-1-アミン rac-(3R*)-3-(4-クロロフェニル)-N,N-ジメチル-3-(2-ピリジニル)プロパン-1-アミン 78539-96-5 C16H19ClN2
Nintedanib impurity A drops Nintedanib impurity A drops
Diazepam Impurity 1 Diazepam Impurity 1 36020-94-7 C16H15ClN2O2
Captopril impurity 3 Captopril impurity 3
(1R,2R)-2-(3,4-difluorophenyl)cyclopropanecarboxylic acid (1R,2R)-2-(3,4-difluorophenyl)cyclopropanecarboxylic acid 220352-36-3 C10H8F2O2
Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib 2223677-58-3 C22H20ClFN4O4
Avatrombopag Impurity 37 Avatrombopag Impurity 37
Tenofovir Impurity 60 Tenofovir Impurity 60
Istradefylline Impurity 5 Istradefylline Impurity 5
Doxorubicin Imp B HBr salt Doxorubicin Imp B HBr salt 148218-14-8 C29H35Br2NO11
Fesoterodine Related Impurity 4 Fesoterodine Related Impurity 4 214601-12-4 C22H29NO2
Lumateperone Impurity 4 Lumateperone Impurity 4
Linagliptin Impurity 59 Linagliptin Impurity 59
Moxifloxacin Impurity 46 Moxifloxacin Impurity 46 1932499-97-2 C8H16N2
Bendamustine Impurity 25 Bendamustine Impurity 25
Diquafosol Impurity UP2U Diquafosol Impurity UP2U 221169-12-6 C18H25N4NaO17P2
N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d] pyrimidin-2-amine N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d] pyrimidin-2-amine C13H19N5
Dapagliflozin Impurity 32 Dapagliflozin Impurity 32
Pramipexole Impurity R Pramipexole Impurity R
AztreonaM IMpurity C AztreonaM IMpurity C
Crisaborole Impurity 16 Crisaborole Impurity 16 2268785-42-6 C14H10BNO3
Afatinib impurity 30 Afatinib impurity 30
2-PyrazinecarboxaMide, N,N',N''-[2,4,6-boroxintriyltris[[(1R)-3-Methylbutylidene]iMino[(1S)-2-oxo-1-(phenylMethyl)-2,1-ethanediyl]]]tris- 2-PyrazinecarboxaMide, N,N',N''-[2,4,6-boroxintriyltris[[(1R)-3-Methylbutylidene]iMino[(1S)-2-oxo-1-(phenylMethyl)-2,1-ethanediyl]]]tris- 390800-88-1 C57H69B3N12O9
Metoprolol IMpurity E Metoprolol IMpurity E C15H25NO3
Edaravone Impurity 10 Edaravone Impurity 10
ethyl 3,5-bis(benzyloxy)benzoate ethyl 3,5-bis(benzyloxy)benzoate 50841-46-8 C23H22O4
Fondaparinux sodium impurity 15 Fondaparinux sodium impurity 15
Fluticasone Impurity 14 Fluticasone Impurity 14 C25H31F3O5S
Bimatoprost Impurity 10 Bimatoprost Impurity 10
Docetaxel EP Impurity A Docetaxel EP Impurity A
Febuxostat Impurity 95 Febuxostat Impurity 95
ナリンギン4′-グルコシド ナリンギン4′-グルコシド 17257-21-5 C33H42O19
ベタメタゾン17-プロピオン酸21-メシル酸 ベタメタゾン17-プロピオン酸21-メシル酸 15423-80-0 C26H35FO8S
Ticagrelor Impurity 99 Ticagrelor Impurity 99
Apremilast Impurity 20 Apremilast Impurity 20
(3E)-3-(2-フェニルヒドラジン-1-イリデン)ブタン酸エチル (3E)-3-(2-フェニルヒドラジン-1-イリデン)ブタン酸エチル 6078-46-2 C12H16N2O2
Pregabalin-8687（mixture of 4 isomers） Pregabalin-8687（mixture of 4 isomers）
Nintedanib Impurity K Nintedanib Impurity K
Empagliflozin Impurity 88 Empagliflozin Impurity 88
Pitavastatin Impurity 24 Sodium Salt Pitavastatin Impurity 24 Sodium Salt 1980814-90-1 C25H24FNO6
Hexanoic acid, 3-(hydroxymethyl)- Hexanoic acid, 3-(hydroxymethyl)- 81381-87-5 C7H14O3
Ticagrelor Impurity 17 Ticagrelor Impurity 17
Benazepril Related CoMpound B Benazepril Related CoMpound B
Sulfamide, N-[6-[2-[(5-bromo-2-pyrimidinyl)oxy]ethoxy]-5-phenyl-4-pyrimidinyl]-N'-propyl- Sulfamide, N-[6-[2-[(5-bromo-2-pyrimidinyl)oxy]ethoxy]-5-phenyl-4-pyrimidinyl]-N'-propyl- 2300968-87-8 C19H21BrN6O4S
Perindopril IMpurity 6 Perindopril IMpurity 6 2163775-15-1 C8H15NO4
Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9,11-epoxy-16,17-dihydroxy-, (9β,11β,16α)- Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9,11-epoxy-16,17-dihydroxy-, (9β,11β,16α)- 58404-37-8 C23H28O7
Apixaban IMpurity(BMS-591329-01) Apixaban IMpurity(BMS-591329-01)
4-Nitrophenyl 5-chlorothiophene-2-carboxylate 4-Nitrophenyl 5-chlorothiophene-2-carboxylate 1450877-56-1 C11H6ClNO4S
Furoxine GSK Open Ring Impurity Furoxine GSK Open Ring Impurity
イブプロフェン二量体 イブプロフェン二量体 1391054-15-1 C26H32O4
Ivabradine Impurity S33172 Ivabradine Impurity S33172 2247881-26-9 C26H34N2O5
Tegoprazan Impurity 15 Tegoprazan Impurity 15
3,4,5-Piperidinetriol, 1-(2-hydroxyethyl)-2-(hydroxymethyl)-, (2S,3S,4R,5S)- 3,4,5-Piperidinetriol, 1-(2-hydroxyethyl)-2-(hydroxymethyl)-, (2S,3S,4R,5S)- 1550201-56-3 C8H17NO5
1-(2-Methoxyphenyl)-4-{3-[4-(2-methoxyphenyl)piperazin-1-yl] propyl}piperazine 1-(2-Methoxyphenyl)-4-{3-[4-(2-methoxyphenyl)piperazin-1-yl] propyl}piperazine
ent-14S-3-Methoxy-17-MethylMorphinan ent-14S-3-Methoxy-17-MethylMorphinan 1453167-99-1 C18H25NO
r-Cytidine r-Cytidine 13913-16-1 C9H13N3O5
3-ヒドロキシ-2,4-ジメトキシベンズアルデヒド 3-ヒドロキシ-2,4-ジメトキシベンズアルデヒド 32246-34-7 C9H10O4
Eletriptan Impurity 4 Eletriptan Impurity 4 1422285-51-5 C44H50N4O4S2
6,7-ジメチル-8-リビチルルマジン 6,7-ジメチル-8-リビチルルマジン 2535-20-8 C13H18N4O6
methyl 7-bromo-4-hydroxyisoquinoline-3-carboxylate methyl 7-bromo-4-hydroxyisoquinoline-3-carboxylate 1572439-66-7 C11H8BrNO3
Atenolol EP Impurity Atenolol EP Impurity C14H22N2O3
phenyl (R)-methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamate phenyl (R)-methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamate 603996-87-8 C8H11NO2S
Flucloxacillin Impurity 4 Flucloxacillin Impurity 4
Deferasirox Ethyl Ester Deferasirox Ethyl Ester 201530-79-2 C23H19N3O4
5-メチル-6-オキソ-5,6-ジヒドロ-4H-イミダゾ[1,5-a][1,4]ベンゾジアゼピン-3-カルボン酸エチル 5-メチル-6-オキソ-5,6-ジヒドロ-4H-イミダゾ[1,5-a][1,4]ベンゾジアゼピン-3-カルボン酸エチル 78756-03-3 C15H15N3O3
Aprepitant Impurity 19 Aprepitant Impurity 19 1333995-14-4
Cefmetazole Sodium Impurity C Cefmetazole Sodium Impurity C
Regorafenib Impurity 32 Regorafenib Impurity 32
Bendamustine Related Impurity 3 Bendamustine Related Impurity 3
Azacitidine Impurity 31 Azacitidine Impurity 31 65024-85-3 C11H16O8
Taladafil impurity Taladafil impurity 1356345-67-9 C23H23N3O4
Rosuvastatin EP Impurity L Rosuvastatin EP Impurity L
Parecoxib Impurity N Parecoxib Impurity N
Atracurium Impurity N Atracurium Impurity N
Isopropyl4-hydroxy-3,5-diisopropylbenzoate Isopropyl4-hydroxy-3,5-diisopropylbenzoate 2095678-97-8 C16H24O3
7-(2-hydroxy-1,1-dimethoxypropyl)-5H-chromeno[2,3-b]pyridin-5-ol 7-(2-hydroxy-1,1-dimethoxypropyl)-5H-chromeno[2,3-b]pyridin-5-ol
Ibrutinib Impurity 21 Ibrutinib Impurity 21 1642571-08-1 C27H30N6O3
NITRENDIPINE IMPURITY A NITRENDIPINE IMPURITY A
Perospirone Impurity 18 Perospirone Impurity 18
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