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Structure Chemical Name CAS MF
Oseltamivir Impurity 66 Oseltamivir Impurity 66
ethyl 3,5-bis(benzyloxy)benzoate ethyl 3,5-bis(benzyloxy)benzoate 50841-46-8 C23H22O4
Dapagliflozin Impurity 46 Dapagliflozin Impurity 46
Brexpiprazole Impurity ABCDEFGHJKL Brexpiprazole Impurity ABCDEFGHJKL
4,4'-(2-ピリジニルメチレン)ビスフェノール 4,4'-(2-ピリジニルメチレン)ビスフェノール 603-41-8 C18H15NO2
Tazobactam Impurity DBT Tazobactam Impurity DBT
3β-[4-O-[4-O-(2,6-ジデオキシ-β-D-ribo-ヘキソピラノシル)-2,6-ジデオキシ-β-D-ribo-ヘキソピラノシル]-2,6-ジデオキシ-β-D-ribo-ヘキソピラノシルオキシ]-12β,14,16β-トリヒドロキシ-5β-カルダ-20(22)-エノリド 3β-[4-O-[4-O-(2,6-ジデオキシ-β-D-ribo-ヘキソピラノシル)-2,6-ジデオキシ-β-D-ribo-ヘキソピラノシル]-2,6-ジデオキシ-β-D-ribo-ヘキソピラノシルオキシ]-12β,14,16β-トリヒドロキシ-5β-カルダ-20(22)-エノリド 52589-12-5 C41H64O15
Thiophene, 2-(2-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]- Thiophene, 2-(2-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]- 2436275-33-9 C18H14FIS
Revefenacin Impurity 2 Revefenacin Impurity 2 1158699-78-5 C14H17NO4
(R)-2-(4-Methoxyphenyl)-1-methylethanamine (R)-2-(4-Methoxyphenyl)-1-methylethanamine 58993-79-6 C10H15NO
N-[5-[(1RS)-2-[benzyl[(1RS)-2-(4-methoxyphenyl)- 1-methylethyl]amino]-1-hydroxyethyl]-2- hydroxyphenyl]formamide N-[5-[(1RS)-2-[benzyl[(1RS)-2-(4-methoxyphenyl)- 1-methylethyl]amino]-1-hydroxyethyl]-2- hydroxyphenyl]formamide 2514947-17-0 C26H30N2O4
(R)-4α-チアゾリジンカルボン酸エチル (R)-4α-チアゾリジンカルボン酸エチル 60664-15-5 C6H11NO2S
NA NA
3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 2504210-48-2 C22H23N9O
Cilastatin Impurity H Cilastatin Impurity H
Faropenem Impurity D Faropenem Impurity D
(trans, trans)-3,3'-(1,4,7,10-tetraazacyclododecane-1,7-diyl)bis(butane-1,2,4-triol) (trans, trans)-3,3'-(1,4,7,10-tetraazacyclododecane-1,7-diyl)bis(butane-1,2,4-triol)
6β-ブロモペニシラン酸 6β-ブロモペニシラン酸 24138-28-1 C8H10BrNO3S
Azelastine Impurity K Azelastine Impurity K
(4R,6R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1- (4R,6R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-
Carbazochrome Sodium Sulfonate Impurity 1 Carbazochrome Sodium Sulfonate Impurity 1
Rosuvastatin Impurity 147 Rosuvastatin Impurity 147
NA NA
Cetrorelix Impurity 10 Cetrorelix Impurity 10
Cetrorelix Impurity 3 (9-D-Pro) Cetrorelix Impurity 3 (9-D-Pro)
Peramivir Intermediate Impurity 42 Peramivir Intermediate Impurity 42
Nintedanib impurity A drops Nintedanib impurity A drops
Tofacitinib impurity N drops Tofacitinib impurity N drops
Carboprost impurity 999 Carboprost impurity 999
Bumetanide impurity C drops Bumetanide impurity C drops
Troxipide Impurity 6 Troxipide Impurity 6
Piperacillin Impurity K Piperacillin Impurity K
2-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzoic acid 2-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzoic acid
3-Thiophenecarboxylic acid, 4-methyl-5-(4-nitrophenyl)-2-[(propoxycarbonyl)amino]-, ethyl ester 3-Thiophenecarboxylic acid, 4-methyl-5-(4-nitrophenyl)-2-[(propoxycarbonyl)amino]-, ethyl ester 2591260-03-4 C18H20N2O6S
Pemetrexed disodium Impurity 32 Pemetrexed disodium Impurity 32
Androsta-1,4-diene-17-carboxylic acid, 11,16,17-trihydroxy-3-oxo-, (11β,16α,17α)- Androsta-1,4-diene-17-carboxylic acid, 11,16,17-trihydroxy-3-oxo-, (11β,16α,17α)- 1185143-75-2 C20H26O6
Tazobactam Impurity LTE Tazobactam Impurity LTE
Isavuconazole Impurity 47 Isavuconazole Impurity 47
5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-(benzyloxy)quinolin-2(1H)-one) 5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-(benzyloxy)quinolin-2(1H)-one) 753498-27-0 C49H49N3O6
2-((6S,8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-6,10,13-trimethyl-3-oxo- 6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid 2-((6S,8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-6,10,13-trimethyl-3-oxo- 6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid
Eltrombopag Impurity 37 Eltrombopag Impurity 37 350024-70-3 C14H18N2O
5-ニトロ-2-フランカルボアルデヒド(5-ニトロ-2-フラニル)メチレンヒドラゾン 5-ニトロ-2-フランカルボアルデヒド(5-ニトロ-2-フラニル)メチレンヒドラゾン 736-53-8 C10H6N4O6
4-(benzo[b]thiophen-4-yl)-1,1-bis(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazin-1-ium chloride 4-(benzo[b]thiophen-4-yl)-1,1-bis(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazin-1-ium chloride 2454317-16-7 C38H41N4O4S
(R)-4-チアゾリジンカルボン酸メチル (R)-4-チアゾリジンカルボン酸メチル 42258-90-2 C5H9NO2S
Revefenacin Impurity 7 Revefenacin Impurity 7 1158777-54-8 C14H19ClN2O3
(R)-8-(3-aminopiperidin-1-yl)-3-methyl-1,7-bis((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione (R)-8-(3-aminopiperidin-1-yl)-3-methyl-1,7-bis((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione
Oxytocin Impurity 8 Trifluoroacetate Oxytocin Impurity 8 Trifluoroacetate
Peramivir Dehydrated Impurity Peramivir Dehydrated Impurity
Formoterol Impurity 32 Formoterol Impurity 32
(1S,2S,3R,4R)-2-((R)-1-acetamido-2-ethylbutyl)-4-guanidino-3-hydroxycyclopentane-1-carboxylic acid (1S,2S,3R,4R)-2-((R)-1-acetamido-2-ethylbutyl)-4-guanidino-3-hydroxycyclopentane-1-carboxylic acid
Desloratadine EP impurity A hcl Desloratadine EP impurity A hcl 2250242-44-3 C19H21Cl2FN2
(R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-yl) ethyl)-5,6-dihydro-2H-pyran-2-one and (R)-6-(2-((R)-2,6-dimethyl- 5,6,7,8-tetrahydronaphthalen-1-yl)ethyl)-5,6-dihydro-2H-pyran-2-one (R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-yl) ethyl)-5,6-dihydro-2H-pyran-2-one and (R)-6-(2-((R)-2,6-dimethyl- 5,6,7,8-tetrahydronaphthalen-1-yl)ethyl)-5,6-dihydro-2H-pyran-2-one
(3S,4S)-Tofacitinib (3S,4S)-Tofacitinib 1092578-47-6 C16H20N6O
Cefathiamidine Impurity 5 Cefathiamidine Impurity 5 40818-86-8 C10H11ClN2O4S
2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol 2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol C28H39N3O2
Tafluprost Impurity 20 Tafluprost Impurity 20
Rosuvastatin Impurity 149 Rosuvastatin Impurity 149
2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE 2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE 723286-98-4 C4H2ClF3N2O
Rifampicin Quinone Oxide Rifampicin Quinone Oxide
1-(2-(4-(((2-(4-(([1,1'-biphenyl]-2-ylcarbamoyl)oxy)piperidin-1-yl)ethyl)(methyl)amino)methyl)-N-methylbenzamido)ethyl)piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate 1-(2-(4-(((2-(4-(([1,1'-biphenyl]-2-ylcarbamoyl)oxy)piperidin-1-yl)ethyl)(methyl)amino)methyl)-N-methylbenzamido)ethyl)piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate
1-フェニル-3,4-ジヒドロイソキノリン 1-フェニル-3,4-ジヒドロイソキノリン 52250-50-7 C15H13N
Pyrazinecarboxamide, 3,6-difluoro- (9CI) Pyrazinecarboxamide, 3,6-difluoro- (9CI) 356783-29-4 C5H3F2N3O
Benzamide, 3-hydrazino- (9CI) Benzamide, 3-hydrazino- (9CI) 473927-51-4 C7H9N3O
4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H benzimidazol-2-yl]butanoic acid 4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H benzimidazol-2-yl]butanoic acid 1926162-37-9 C32H42Cl4N6O4
Isavuconazole Impurity 39 Isavuconazole Impurity 39
Isavuconazole Impurityi45 Isavuconazole Impurityi45
Gatifloxacinacid Gatifloxacinacid 121577-32-0 C19H22FN3O4.ClH
Bisoprolol Impurity 41 Bisoprolol Impurity 41
1,4-Naphthalenedione, 2-(3-hydroxy-3,7,11,15-tetramethyl-1,6,10,14-hexadecatetraenyl)-3-methyl-, (,E,E)- (9CI) 1,4-Naphthalenedione, 2-(3-hydroxy-3,7,11,15-tetramethyl-1,6,10,14-hexadecatetraenyl)-3-methyl-, (,E,E)- (9CI) 65061-22-5 C31H40O3
Piperacilin Piperacilin
Varenicline Impurity D Varenicline Impurity D
2-Propanone, 1-(2-hydroxypropoxy)- (9CI) 2-Propanone, 1-(2-hydroxypropoxy)- (9CI) 90817-38-2 C6H12O3
Nirmatrelvir Impurity 4 Nirmatrelvir Impurity 4
Nifedipine Impurity L Nifedipine Impurity L
3-フェニルピラジン-2-オール 3-フェニルピラジン-2-オール 73200-73-4 C10H8N2O
1-(イソプロピルアミノ)-3-(4-メチルフェノキシ)プロパン-2-オール 1-(イソプロピルアミノ)-3-(4-メチルフェノキシ)プロパン-2-オール 5790-46-5 C13H21NO2
5H-ジベンゾ[b,f]アゼピン-10,11-ジオン 5H-ジベンゾ[b,f]アゼピン-10,11-ジオン 19579-83-0 C14H9NO2
エタンスルホン酸エチル エタンスルホン酸エチル 1912-30-7 C4H10O3S
DONEPEZIL HYDROCHLORIDE DONEPEZIL HYDROCHLORIDE 110119-84-1 C24H30ClNO3
(2S,5R)-3α-クロロメチル-3-メチル-7-オキソ-4-チア-1-アザビシクロ[3.2.0]ヘプタン-2β-カルボン酸ベンズヒドリル (2S,5R)-3α-クロロメチル-3-メチル-7-オキソ-4-チア-1-アザビシクロ[3.2.0]ヘプタン-2β-カルボン酸ベンズヒドリル 85573-73-5 C21H20ClNO3S
2-プロピリデンマロノニトリル 2-プロピリデンマロノニトリル 52833-34-8 C6H6N2
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
5-(2-アミノエチルチオメチル)-N,N-ジメチル-2-フランメタンアミン 5-(2-アミノエチルチオメチル)-N,N-ジメチル-2-フランメタンアミン 66356-53-4 C10H18N2OS
2-[2-(2-METHOXY-PHENOXY)-ETHYL]-ISOINDOLE-1,3-DIONE 2-[2-(2-METHOXY-PHENOXY)-ETHYL]-ISOINDOLE-1,3-DIONE 26646-63-9 C17H15NO4
(3AS,7AS)-HEXAHYDRO-1H-ISOINDOLE-1,3(2H)-DIONE (3AS,7AS)-HEXAHYDRO-1H-ISOINDOLE-1,3(2H)-DIONE 117307-09-2 C8H11NO2
アミホスチンチオール二塩酸塩 (90%) アミホスチンチオール二塩酸塩 (90%) 14653-77-1 C5H14N2S
Butyl Itraconazole Butyl Itraconazole 89848-51-1 C35H38Cl2N8O4
methyl 4-hydroxy-3,5-diisopropylbenzoic acid methyl 4-hydroxy-3,5-diisopropylbenzoic acid C14H20O3
Brexpiprazole Impurity M Brexpiprazole Impurity M
Cefaclor Impurity 5 Cefaclor Impurity 5
Linagliptin Impurity 39 Linagliptin Impurity 39
Peramivir Impurity 5 Peramivir Impurity 5
Pidotimod Impurity O Pidotimod Impurity O
Pramipexole EP Impurity C Pramipexole EP Impurity C
Imiquimod Impurity 5 Imiquimod Impurity 5 853793-02-9 C15H18N4
9-(1,3-diacetate-2-propoxymethyl)guanine 9-(1,3-diacetate-2-propoxymethyl)guanine 86357-19-9 C13H17N5O6
Cefadroxil Impurity 6 Cefadroxil Impurity 6 2378158-45-1 C32H32N6O9S2
Loratadine Impurity 9 Loratadine Impurity 9 125743-81-9 C22H23ClN2O2
Metronidazole Impurity 1 Metronidazole Impurity 1
Parecoxib Impurity 16 Parecoxib Impurity 16 2235371-89-6 C19H18N2O4S
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