Structure |
Chemical Name |
CAS |
MF |
![Peramivir Intermediate Impurity 42](/) |
Peramivir Intermediate Impurity 42 |
|
|
![Peramivir Dehydrated Impurity](/) |
Peramivir Dehydrated Impurity |
|
|
![Nintedanib impurity A drops](/) |
Nintedanib impurity A drops |
|
|
![Formoterol Impurity 32](/) |
Formoterol Impurity 32 |
|
|
![Tofacitinib impurity N drops](/) |
Tofacitinib impurity N drops |
|
|
![(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 |
|
|
![Carboprost impurity 999](/) |
Carboprost impurity 999 |
|
|
![Desloratadine EP impurity A hcl](/CAS/20211123/GIF/2250242-44-3.gif) |
Desloratadine EP impurity A hcl |
2250242-44-3 |
C19H21Cl2FN2 |
![Bumetanide impurity C drops](/) |
Bumetanide impurity C drops |
|
|
![(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 |
|
|
![Troxipide Impurity 6](/) |
Troxipide Impurity 6 |
|
|
![(3S,4S)-Tofacitinib](/StructureFile/ChemBookStructure22/GIF/CB3970902.gif) |
(3S,4S)-Tofacitinib |
1092578-47-6 |
C16H20N6O |
![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](/CAS/20210305/GIF/2591260-03-4.gif) |
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)-](/CAS/20210305/GIF/1185143-75-2.gif) |
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)](/CAS/20211123/GIF/753498-27-0.gif) |
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](/CAS/20210305/GIF/350024-70-3.gif) |
Eltrombopag Impurity 37 |
350024-70-3 |
C14H18N2O |
![2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol](/CAS/20181212/GIF/CB09996368.gif) |
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](/CAS/GIF/723286-98-4.gif) |
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](/CAS/GIF/52250-50-7.gif) |
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)](/CAS/GIF/356783-29-4.gif) |
Pyrazinecarboxamide, 3,6-difluoro- (9CI) |
356783-29-4 |
C5H3F2N3O |
![Benzamide, 3-hydrazino- (9CI)](/CAS/GIF/473927-51-4.gif) |
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](/CAS/20211123/GIF/1926162-37-9.gif) |
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](/CAS/20240320/GIF/207224-73-5.gif) |
Isavuconazole Impurity 39 |
207224-73-5 |
C21H18F2N4OS |
![Isavuconazole Impurityi45](/) |
Isavuconazole Impurityi45 |
|
|
![Gatifloxacinacid](/CAS/GIF/121577-32-0.gif) |
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)](/CAS/20211123/GIF/65061-22-5.gif) |
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 |
1002359-81-0 |
|
![2-Propanone, 1-(2-hydroxypropoxy)- (9CI)](/CAS/GIF/90817-38-2.gif) |
2-Propanone, 1-(2-hydroxypropoxy)- (9CI) |
90817-38-2 |
C6H12O3 |
![3-フェニルピラジン-2-オール](/CAS2/GIF/73200-73-4.gif) |
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](/CAS/20150408/GIF/5790-46-5.gif) |
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](/CAS/GIF/19579-83-0.gif) |
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](/CAS/GIF/1912-30-7.gif) |
エタンスルホン酸エチル |
1912-30-7 |
C4H10O3S |
![DONEPEZIL HYDROCHLORIDE](/CAS/GIF/110119-84-1.gif) |
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](/CAS/20180808/GIF/85573-73-5.gif) |
(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](/CAS/GIF/52833-34-8.gif) |
2-プロピリデンマロノニトリル |
52833-34-8 |
C6H6N2 |
![Cefathiamidine Impurity 5](/CAS/20210111/GIF/40818-86-8.gif) |
Cefathiamidine Impurity 5 |
40818-86-8 |
C10H11ClN2O4S |
![methyl 4-hydroxy-3,5-diisopropylbenzoic acid](/CAS/20200401/GIF/CB94632404.gif) |
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 |
|
|
![2-(((3aR,4S,6R,6aS)-6-(7-aMino-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-2,2-diMethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethanol](/CAS/20150408/GIF/CB02668497.gif) |
2-(((3aR,4S,6R,6aS)-6-(7-aMino-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-2,2-diMethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethanol |
1858267-99-8 |
C17H26N6O4S |
![Nirmatrelvir Impurity 4](/) |
Nirmatrelvir Impurity 4 |
|
|
![Nifedipine Impurity L](/) |
Nifedipine Impurity L |
|
|
![Piperacillin Impurity 6](/) |
Piperacillin Impurity 6 |
|
|
![Bosutinib Impurity 5](/CAS/20180808/GIF/1391063-17-4.gif) |
Bosutinib Impurity 5 |
1391063-17-4 |
C26H29Cl2N5O3 |
![Levomilnacipran impurity](/) |
Levomilnacipran impurity |
|
|
![Sofosbuvir IMpurity 4](/) |
Sofosbuvir IMpurity 4 |
|
|
![1,3-bis(4-isobutylphenyl)butan-1-one](/CAS/20180702/GIF/CB13146797.gif) |
1,3-bis(4-isobutylphenyl)butan-1-one |
|
C24H32O |
![6-isobutyl-3-methyl-2,3-dihydro-1H-inden-1-one](/CAS/20180702/GIF/1340024-54-5.gif) |
6-isobutyl-3-methyl-2,3-dihydro-1H-inden-1-one |
1340024-54-5 |
C14H18O |
![2-(2-ピリジニルアミノ)グリオキシル酸エチル](/CAS/20180906/GIF/41374-72-5.gif) |
2-(2-ピリジニルアミノ)グリオキシル酸エチル |
41374-72-5 |
C9H10N2O3 |
![Canagliflozin Impurity 18](/) |
Canagliflozin Impurity 18 |
|
|
![Canagliflozin Impurity 23](/) |
Canagliflozin Impurity 23 |
|
|
![Carfilzomib Impurity 4](/) |
Carfilzomib Impurity 4 |
|
|
![Lenvatinib Impurity 2](/CAS/20200611/GIF/2380197-90-8.gif) |
Lenvatinib Impurity 2 |
2380197-90-8 |
C28H22ClN5O5 |
![FeBuxostat Impurity 33](/CAS/20180808/GIF/100118-38-5.gif) |
FeBuxostat Impurity 33 |
100118-38-5 |
C12H14O5 |
![(S)-3-(4-phenoxyphenyl)-1-(piperidin-3-yl)](/CAS/20210111/GIF/1642630-12-3.gif) |
(S)-3-(4-phenoxyphenyl)-1-(piperidin-3-yl) |
1642630-12-3 |
C22H22N6O |
![Latamoxef Impurity 1](/CAS/20210111/GIF/75007-70-4.gif) |
Latamoxef Impurity 1 |
75007-70-4 |
C19H20N6O7S |
![Amlodipine iMpurity K](/CAS/20180527/GIF/1809326-44-0.gif) |
Amlodipine iMpurity K |
1809326-44-0 |
C18H21ClN2O5 |
![4,4'-ジヒドロキシアゾキシベンゼン](/CAS/GIF/15596-57-3.gif) |
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](/CAS/GIF/66356-53-4.gif) |
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](/CAS/GIF/26646-63-9.gif) |
2-[2-(2-METHOXY-PHENOXY)-ETHYL]-ISOINDOLE-1,3-DIONE |
26646-63-9 |
C17H15NO4 |
![(3AS,7AS)-HEXAHYDRO-1H-ISOINDOLE-1,3(2H)-DIONE](/CAS/GIF/117307-09-2.gif) |
(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%)](/CAS/GIF/14653-77-1.gif) |
アミホスチンチオール二塩酸塩 (90%) |
14653-77-1 |
C5H14N2S |
![Butyl Itraconazole](/CAS/20150408/GIF/89848-51-1.gif) |
Butyl Itraconazole |
89848-51-1 |
C35H38Cl2N8O4 |
![16Β-21-プロピオン酸ベタメタゾン9,11-エポキシド](/CAS/GIF/205105-83-5.gif) |
16Β-21-プロピオン酸ベタメタゾン9,11-エポキシド |
205105-83-5 |
C25H32O6 |
![8-Methoxyquinolin-2(1H)-one](/CAS2/GIF/22614-69-3.gif) |
8-Methoxyquinolin-2(1H)-one |
22614-69-3 |
C10H9NO2 |
![7-Bromo Epinastine](/CAS/GIF/1217052-16-8.gif) |
7-Bromo Epinastine |
1217052-16-8 |
C16H14BrN3 |
![1,3-ビス[4-(2-メトキシエチル)フェノキシ]-2-プロパノール](/CAS/GIF/230975-30-1.gif) |
1,3-ビス[4-(2-メトキシエチル)フェノキシ]-2-プロパノール |
230975-30-1 |
C21H28O5 |
![5-Deshydroxymethyl-5-chloro Losartan (Losartan Impurity K)](/CAS/GIF/1159977-26-0.gif) |
5-Deshydroxymethyl-5-chloro Losartan (Losartan Impurity K) |
1159977-26-0 |
C21H20Cl2N6 |
![Desfluoro Fluvoxamine](/CAS/GIF/1217214-94-2.gif) |
Desfluoro Fluvoxamine |
1217214-94-2 |
C15H22F2N2O2 |
![Nilotinib N-Oxide](/CAS/GIF/1246817-85-5.gif) |
Nilotinib N-Oxide |
1246817-85-5 |
C28H22F3N7O2 |
![Bis[(2-guanidino-4-thiazolyl)methyl]disulfide (85%)(Famotidine Impurity)](/CAS2/GIF/129083-44-9.gif) |
Bis[(2-guanidino-4-thiazolyl)methyl]disulfide (85%)(Famotidine Impurity) |
129083-44-9 |
C10H14N8S4 |
![Pramipexole EP Impurity C](/) |
Pramipexole EP Impurity C |
|
|
![Imiquimod Impurity 5](/CAS/20210111/GIF/853793-02-9.gif) |
Imiquimod Impurity 5 |
853793-02-9 |
C15H18N4 |
![9-(1,3-diacetate-2-propoxymethyl)guanine](/CAS/20200401/GIF/86357-19-9.gif) |
9-(1,3-diacetate-2-propoxymethyl)guanine |
86357-19-9 |
C13H17N5O6 |
![Cefadroxil Impurity 6](/CAS/20210111/GIF/2378158-45-1.gif) |
Cefadroxil Impurity 6 |
2378158-45-1 |
C32H32N6O9S2 |
![Loratadine Impurity 9](/CAS/20200401/GIF/CB94657612.gif) |
Loratadine Impurity 9 |
125743-81-9 |
C22H23ClN2O2 |
![Metronidazole Impurity 1](/) |
Metronidazole Impurity 1 |
|
|
![Parecoxib Impurity 16](/CAS/20210111/GIF/2235371-89-6.gif) |
Parecoxib Impurity 16 |
2235371-89-6 |
C19H18N2O4S |
![Rosuvastatin Impurity 54](/) |
Rosuvastatin Impurity 54 |
|
|
![Vonoprazan Fumarate Impurity 6](/CAS/20210111/GIF/2250243-23-1.gif) |
Vonoprazan Fumarate Impurity 6 |
2250243-23-1 |
C33H27F2N5O4S2 |
![3-((3aS,4R,6S,6aR)-6-(2-hydroxyethoxy)-2,2-dimethyltetrahydro- 4H-cyclopenta[d][1,3]dioxol-4-yl)-5-(propylthio)-3H-[1,2,3] triazolo[4,5-d]pyrimidin-7-ol](/CAS/20200401/GIF/1456538-51-4.gif) |
3-((3aS,4R,6S,6aR)-6-(2-hydroxyethoxy)-2,2-dimethyltetrahydro- 4H-cyclopenta[d][1,3]dioxol-4-yl)-5-(propylthio)-3H-[1,2,3] triazolo[4,5-d]pyrimidin-7-ol |
1456538-51-4 |
C17H25N5O5S |
![Prasugrel Impurity 15](/) |
Prasugrel Impurity 15 |
|
|
![Pregabalin Impurity 18](/CAS/20210111/GIF/1621171-19-4.gif) |
Pregabalin Impurity 18 |
1621171-19-4 |
C9H15NO2 |
![Pregabalin Impurity 23](/) |
Pregabalin Impurity 23 |
|
|
![Butylphthalide impurity](/CAS/20200401/GIF/16692-58-3.gif) |
Butylphthalide impurity |
16692-58-3 |
C12H14O2 |