Structure |
Chemical Name |
CAS |
MF |
![(16α)-16,17-[Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione](../cas/20180808/gif/216453-74-6.gif) |
(16α)-16,17-[Butylidenebis(oxy)]-21-hydroxypregna-1,4-diene-3,11,20-trione |
216453-74-6 |
C25H32O6 |
![6(S)-Hydroperoxy Simvastatin](../cas/gif/149949-01-9.gif) |
6(S)-Hydroperoxy Simvastatin |
149949-01-9 |
C25H38O7 |
![Russupteridine IV](../cas/20180808/gif/2535-2d20-8.gif) |
Russupteridine IV |
2535-20-8 |
C13H18N4O6 |
![2-[(1-Benzylpiperidin-4-yl)hydroxyMethyl]-5,6-diMethoxyindan-1-one](../cas/gif/197010-2d20-1.gif) |
2-[(1-Benzylpiperidin-4-yl)hydroxyMethyl]-5,6-diMethoxyindan-1-one |
197010-20-1 |
C24H29NO4 |
![5,6-trans-Ergocalciferol](../cas/gif/51744-66-2.gif) |
5,6-trans-Ergocalciferol |
51744-66-2 |
C28H44O |
![2-isonicotinoyl-5,6-diMethoxy-2,3-dihydro-1H-inden-1-one](../cas/gif/923571-15-7.gif) |
2-isonicotinoyl-5,6-diMethoxy-2,3-dihydro-1H-inden-1-one |
923571-15-7 |
C17H15NO4 |
![4-(2-nitrophenyl)Morpholin-3-one](../cas/gif/845729-41-1.gif) |
4-(2-nitrophenyl)Morpholin-3-one |
845729-41-1 |
C10H10N2O4 |
![Irbesartan IMpurity E](../cas/20200401/gif/cb92630248.gif) |
Irbesartan IMpurity E |
|
C25H28N6O |
![LeflunoMide EP IMpurity G](../cas/20180808/gif/724429-16-7.gif) |
LeflunoMide EP IMpurity G |
724429-16-7 |
C12H12N2O2 |
![Telmisartan impurity C](../) |
Telmisartan impurity C |
|
|
![Itraconazole iMpurity E](../) |
Itraconazole iMpurity E |
|
|
![Edoxaban Isomer (RRR)](../cas/20150408/gif/1255529-24-8.gif) |
Edoxaban Isomer (RRR) |
1255529-24-8 |
C24H30ClN7O4S |
![1-NaphthaleneacetaMide, 1,2,3,4-tetrahydro-7-Methoxy-](../cas/gif/92041-01-5.gif) |
1-NaphthaleneacetaMide, 1,2,3,4-tetrahydro-7-Methoxy- |
92041-01-5 |
C13H17NO2 |
![1,4,7,10-Tetraazacyclododecane-1,7-diacetic acid](../cas/gif/112193-75-6.gif) |
1,4,7,10-Tetraazacyclododecane-1,7-diacetic acid |
112193-75-6 |
C12H24N4O4 |
![7-ethyl-5H-chroMeno[2,3-b]pyridin-5-one](../cas/gif/53944-31-3.gif) |
7-ethyl-5H-chroMeno[2,3-b]pyridin-5-one |
53944-31-3 |
C14H11NO2 |
![2-Methyl-10H-thieno[2,3-b][1,5]benzodiazepin-4-aMine](../cas/gif/612503-08-9.gif) |
2-Methyl-10H-thieno[2,3-b][1,5]benzodiazepin-4-aMine |
612503-08-9 |
C12H11N3S |
![IMp. A (EP): 8-Chloro-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one](../) |
IMp. A (EP): 8-Chloro-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one |
|
|
![IMp. C (EP): 8-Chloro-11-(piperazin-1-yl)-5H- dibenzo[b,e][1,4]diazepine](../) |
IMp. C (EP): 8-Chloro-11-(piperazin-1-yl)-5H- dibenzo[b,e][1,4]diazepine |
|
|
![21-Dehydro-16α-hydroxy Prednisolone](../cas/gif/1188271-73-9.gif) |
21-Dehydro-16α-hydroxy Prednisolone |
1188271-73-9 |
C21H26O6 |
![(6α,11β)-11,20-Dihydroxy-6-Methyl-3-oxopregna-1,4,17(20)-trien-21-al](../cas/gif/1338549-02-2.gif) |
(6α,11β)-11,20-Dihydroxy-6-Methyl-3-oxopregna-1,4,17(20)-trien-21-al |
1338549-02-2 |
C22H28O4 |
![(1R)-2-chloro-1-(3,4-difluorophenyl)-1-ethanol](../cas/20150408/gif/1212376-05-0.gif) |
(1R)-2-chloro-1-(3,4-difluorophenyl)-1-ethanol |
1212376-05-0 |
C8H7ClF2O |
![2-[[(3aR,4S,6R,6aS)-6-[7-Chloro-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]tetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]-ethanol](../cas/20150408/gif/376608-75-2.gif) |
2-[[(3aR,4S,6R,6aS)-6-[7-Chloro-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]tetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]-ethanol |
376608-75-2 |
C17H24ClN5O4S |
![Fluconazole IMpurity F](../cas/20150408/gif/cb92659696.gif) |
Fluconazole IMpurity F |
|
C13H12F2N6O |
![Erlotinib IMpurity A](../cas/20180808/gif/1058132-82-3.gif) |
Erlotinib IMpurity A |
1058132-82-3 |
C22H25N3O4 |
![Apixaban iMpurity 5](../) |
Apixaban iMpurity 5 |
|
|
![cefaclor iMpurity C](../cas/20211123/gif/143059-69-2.gif) |
cefaclor iMpurity C |
143059-69-2 |
C15H14ClN3O4S |
![ceftazidiMe iMpurity B](../) |
ceftazidiMe iMpurity B |
1236700-64-3 |
|
![pidotiMod iMpurity D](../cas/20150408/gif/162148-15-4.gif) |
pidotiMod iMpurity D |
162148-15-4 |
C9H12N2O4S |
![Irinotecan Hydroxyl Acid](../cas/20211123/gif/142677-15-4.gif) |
Irinotecan Hydroxyl Acid |
142677-15-4 |
C22H22N2O6 |
![CyclopropanaMine, 2-(4-fluorophenyl)-(hydrochloride)(1:1),(1R,2S)-](../cas/20180808/gif/1314324-00-9.gif) |
CyclopropanaMine, 2-(4-fluorophenyl)-(hydrochloride)(1:1),(1R,2S)- |
1314324-00-9 |
C9H11ClFN |
![(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)aMino)-5-(propylsulfinyl)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol](../cas/20150408/gif/cb92667983.gif) |
(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)aMino)-5-(propylsulfinyl)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol |
1644461-85-7 |
C23H28F2N6O5S |
![AtracuriuM IMpurity C (Mixture of DiastereoMers)](../) |
AtracuriuM IMpurity C (Mixture of DiastereoMers) |
86293-35-8 |
|
![AtracuriuM IMpurity E (cis-Quaternary Acid)](../) |
AtracuriuM IMpurity E (cis-Quaternary Acid) |
|
|
![AztreonaM IMpurity B](../) |
AztreonaM IMpurity B |
|
|
![Ceftriaxone IMpurit E](../) |
Ceftriaxone IMpurit E |
|
|
![Cetirizine IMpurity-6](../cas/20150408/gif/cb92673786.gif) |
Cetirizine IMpurity-6 |
|
C21H25ClN2O3 |
![Cinacalcet IMpurity 10](../cas/20210111/gif/1809324-2d40-0.gif) |
Cinacalcet IMpurity 10 |
1809324-40-0 |
C29H28F3NO2S |
![Dasatinib IMpurity 5](../) |
Dasatinib IMpurity 5 |
|
|
![Diacerein IMpurity F](../cas/20211123/gif/13928-72-8.gif) |
Diacerein IMpurity F |
13928-72-8 |
C35H36O16 |
![D-Valganciclovir Hydrochloride](../cas/gif/1393911-57-3.gif) |
D-Valganciclovir Hydrochloride |
1393911-57-3 |
C14H23ClN6O5 |
![Entecavir IMpurity E](../) |
Entecavir IMpurity E |
|
|
![EzetiMibe IMpurity 1](../cas/20150408/gif/190595-66-5.gif) |
EzetiMibe IMpurity 1 |
190595-66-5 |
C24H22FNO3 |
![Flurbiprofen IMpurity B](../cas/20180808/gif/1797883-74-9.gif) |
Flurbiprofen IMpurity B |
1797883-74-9 |
C18H17FO4 |
![IMatinib DiPiperidine IMpurity](../) |
IMatinib DiPiperidine IMpurity |
|
|
![levocetirizine IMpurity](../) |
levocetirizine IMpurity |
|
|
![OseltaMivir IMpurity F](../) |
OseltaMivir IMpurity F |
|
|
![RocuroniuM BroMide IMpurity 19](../) |
RocuroniuM BroMide IMpurity 19 |
|
|
![S-(+)-O-DesMethyl-Venlafaxine-d6](../cas/20180808/gif/1062609-99-7.gif) |
S-(+)-O-DesMethyl-Venlafaxine-d6 |
1062609-99-7 |
C16H25NO2 |
![SalMeterol IMpurity F](../cas/20150408/gif/cb92675649.gif) |
SalMeterol IMpurity F |
|
C25H37NO4 |
![Sitagliptin Defuoro IMpurity 4](../cas/20150408/gif/486459-98-7.gif) |
Sitagliptin Defuoro IMpurity 4 |
486459-98-7 |
C15H19F2NO4 |
![Sulpiride IMpurity F](../) |
Sulpiride IMpurity F |
|
|
![trans-Ibuprofen IMpurity G](../cas/20150408/gif/1391054-15-1.gif) |
trans-Ibuprofen IMpurity G |
1391054-15-1 |
C26H32O4 |
![EthanediaMide iMpurity F](../cas/20150408/gif/480452-37-7.gif) |
EthanediaMide iMpurity F |
480452-37-7 |
C16H22ClN5O3 |
![Paroxetine IMpurity](../) |
Paroxetine IMpurity |
|
|
![Sitagliptin EP Impurity 4](../) |
Sitagliptin EP Impurity 4 |
|
|
![Acetamide, N-(4-hydroxyphenyl)-N-nitroso-](../cas/20210305/gif/146897-60-1.gif) |
Acetamide, N-(4-hydroxyphenyl)-N-nitroso- |
146897-60-1 |
C8H8N2O3 |
![3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]-](../cas/20210305/gif/2402776-83-2.gif) |
3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]- |
2402776-83-2 |
C16H17N7O2S |
![Iohexol ImpuritiesE](../) |
Iohexol ImpuritiesE |
|
|
![TERT-BUTYL (R)-6-CHLORO-5-HYDROXY-3-OXOHEXANOATE](../cas/gif/404958-08-3.gif) |
TERT-BUTYL (R)-6-CHLORO-5-HYDROXY-3-OXOHEXANOATE |
404958-08-3 |
C10H17ClO4 |
![2-(3-(4-(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl)-1H-pyrazol-1-yl)-1-(ethylsulfonyl)azetidin-3-yl)acetonitrile](../) |
2-(3-(4-(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl)-1H-pyrazol-1-yl)-1-(ethylsulfonyl)azetidin-3-yl)acetonitrile |
|
|
![8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-yl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine](../) |
8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-yl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine |
|
|
![Bumetanide Photodegradable Impurity 16](../) |
Bumetanide Photodegradable Impurity 16 |
|
|
![Bisoprolol Impurity 47](../) |
Bisoprolol Impurity 47 |
|
|
![Gadobutrol Impurity 11(Ammonium salt)](../) |
Gadobutrol Impurity 11(Ammonium salt) |
|
|
![Flomoxef Impurity F](../) |
Flomoxef Impurity F |
|
|
![Tegoprazan Impurity 15](../) |
Tegoprazan Impurity 15 |
|
|
![Nirmatrelvir Impurity 8](../) |
Nirmatrelvir Impurity 8 |
|
|
![Nirmatrelvir Impurity 2](../) |
Nirmatrelvir Impurity 2 |
|
|
![(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanamine hydrochloride](../) |
(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanamine hydrochloride |
|
|
![Rocuronium Bromide Impurity 24 、25](../) |
Rocuronium Bromide Impurity 24 、25 |
|
|
![Roxadustat Impurity 17](../) |
Roxadustat Impurity 17 |
|
|
![Perospirone Impurity 20](../) |
Perospirone Impurity 20 |
1002359-81-0 |
|
![Dolutegravir Impurity 19](../) |
Dolutegravir Impurity 19 |
|
|
![Cephalexin Impurity I](../) |
Cephalexin Impurity I |
|
|
![Fondaparinux sodium impurity 6](../) |
Fondaparinux sodium impurity 6 |
|
|
![Fondaparinux sodium impurity 2](../) |
Fondaparinux sodium impurity 2 |
|
|
![Oxacillin sodium Impurity I](../) |
Oxacillin sodium Impurity I |
|
|
![Mixture of Cefoxitin Impurity E&F](../) |
Mixture of Cefoxitin Impurity E&F |
|
|
![Revefenacin Impurity 22](../) |
Revefenacin Impurity 22 |
|
|
![Lasmiditan Impurity 7](../) |
Lasmiditan Impurity 7 |
|
|
![Febuxostat impurity BAC](../) |
Febuxostat impurity BAC |
|
|
![4-(3,4-DICHLOROPHENYL)-1,2,3,4-TETRAHYDRO-1-NAPHTHALENOL](../structurefile/cb9110838.gif) |
4-(3,4-DICHLOROPHENYL)-1,2,3,4-TETRAHYDRO-1-NAPHTHALENOL |
866018-46-4 |
C16H14Cl2O |
![Lasmiditan Impurity 9](../) |
Lasmiditan Impurity 9 |
|
|
![Letermovir Impurity 2](../) |
Letermovir Impurity 2 |
|
|
![1H-Imidazole-2-carboxylic acid](../cas/gif/16042-2d25-4.gif) |
1H-Imidazole-2-carboxylic acid |
16042-25-4 |
C4H4N2O2 |
![Olodaterol Impurity 19](../) |
Olodaterol Impurity 19 |
|
|
![Ethacridine Impurity 12](../) |
Ethacridine Impurity 12 |
|
|
![2-[4-[(2RS)-2-HYDROXY-3[(1-METHYLETHYL)AMINO]PROPOXY]PHENYL]ACETONITRILE](../cas/gif/29277-73-4.gif) |
2-[4-[(2RS)-2-HYDROXY-3[(1-METHYLETHYL)AMINO]PROPOXY]PHENYL]ACETONITRILE |
29277-73-4 |
C14H20N2O2 |
![(-)-Nebivolol](../cas/gif/118457-16-2.gif) |
(-)-Nebivolol |
118457-16-2 |
C22H25F2NO4 |
![2-Hydroxymethyl Olanzapine](../cas/gif/174756-45-7.gif) |
2-Hydroxymethyl Olanzapine |
174756-45-7 |
C17H20N4OS |
![5-Hydroxymethyl Flucloxacillin](../cas/gif/75524-31-1.gif) |
5-Hydroxymethyl Flucloxacillin |
75524-31-1 |
C19H17ClFN3O6S |
![6-Hydroxy-5-methoxy-1-indanone](../cas/gif/90843-62-2.gif) |
6-Hydroxy-5-methoxy-1-indanone |
90843-62-2 |
C10H10O3 |
![9-cis Acitretin](../cas/gif/419534-31-9.gif) |
9-cis Acitretin |
419534-31-9 |
C21H26O3 |
![N-Desmethylvinblastine](../cas/gif/18172-50-4.gif) |
N-Desmethylvinblastine |
18172-50-4 |
C45H56N4O9 |
![Rabeprazole Sulfone](../cas/gif/117976-47-3.gif) |
Rabeprazole Sulfone |
117976-47-3 |
C18H21N3O4S |
![6-BROMO-3 H-ISOBENZOFURAN-1-ONE](../cas/gif/19477-73-7.gif) |
6-BROMO-3 H-ISOBENZOFURAN-1-ONE |
19477-73-7 |
C8H5BrO2 |
![TOPOTECANACETATE](../cas/gif/123948-88-9.gif) |
TOPOTECANACETATE |
123948-88-9 |
C25H27N3O7 |
![dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarb oxylate](../cas/gif/21829-09-4.gif) |
dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarb oxylate |
21829-09-4 |
C17H18N2O6 |
![7-[(2-aMinoethyl)aMino] -1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid](../cas/20150408/gif/cb92679157.gif) |
7-[(2-aMinoethyl)aMino] -1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid |
|
C14H16FN3O3 |
![(S)-(1R,3s,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl 3-hydroxy-2-phenylpropanoate](../cas/20150408/gif/61616-97-5.gif) |
(S)-(1R,3s,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl 3-hydroxy-2-phenylpropanoate |
61616-97-5 |
C17H21NO3 |