Structure |
Chemical Name |
CAS |
MF |
![Etoricoxib Impurity 8](/CAS/20200611/GIF/1421227-97-5.gif) |
Etoricoxib Impurity 8 |
1421227-97-5 |
C22H20N2O4S |
![Mupirocin Impurity E](/CAS/20180702/GIF/CB42741868.gif) |
Mupirocin Impurity E |
|
C26H44O9 |
![Phenylephrine Impurity 1](/CAS/20180702/GIF/CB42741893.gif) |
Phenylephrine Impurity 1 |
|
C9H13NO2 |
![Rupatadine Impurity B](/CAS/20200611/GIF/156523-04-5.gif) |
Rupatadine Impurity B |
156523-04-5 |
C26H24ClN3O |
![Theophylline Impurity 1](/CAS/20180702/GIF/5614-53-9.gif) |
Theophylline Impurity 1 |
5614-53-9 |
C9H10N4O3 |
![Venlafaxine N-Dimer](/CAS/20211123/GIF/1187545-61-4.gif) |
Venlafaxine N-Dimer |
1187545-61-4 |
C32H48N2O4 |
![Rosuvastatin Impurity 105](/) |
Rosuvastatin Impurity 105 |
|
|
![ent-Ivabradine Hydrochloride](/CAS/20180808/GIF/148849-68-7.gif) |
ent-Ivabradine Hydrochloride |
148849-68-7 |
C27H37ClN2O5 |
![(2R,3R,4R,5S,6R)-2-(acetoxymethyl)-6-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate](/CAS/20211123/GIF/1620758-27-1.gif) |
(2R,3R,4R,5S,6R)-2-(acetoxymethyl)-6-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate |
1620758-27-1 |
C31H35ClO11 |
![Sofosbuvir metabolites GS566500](/CAS/20180808/GIF/1233335-78-8.gif) |
Sofosbuvir metabolites GS566500 |
1233335-78-8 |
C13H19FN3O9P |
![Ondansetron impurity G (PhEur)](/CAS/20211123/GIF/99614-04-7.gif) |
Ondansetron impurity G (PhEur) |
99614-04-7 |
C17H18ClN3O |
![Febuxostat Impurity 99](/) |
Febuxostat Impurity 99 |
|
|
![4-Hydroxy-1-methyl-7-phenoxy-3-isoquinolinecarboxylic acid methyl ester](/CAS/20180808/GIF/1421312-34-6.gif) |
4-Hydroxy-1-methyl-7-phenoxy-3-isoquinolinecarboxylic acid methyl ester |
1421312-34-6 |
C18H15NO4 |
![2-[(4-メチルフェノキシ)メチル]安息香酸](/StructureFile/ChemBookStructure3/GIF/CB4281380.gif) |
2-[(4-メチルフェノキシ)メチル]安息香酸 |
728-97-2 |
C15H14O3 |
![Furosemide Impurity 20](/) |
Furosemide Impurity 20 |
|
|
![Ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3- (1-ethylpropoxy)cyclohexanecarboxylate](/CAS/20180703/GIF/CB42920085.gif) |
Ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3- (1-ethylpropoxy)cyclohexanecarboxylate |
2124269-41-4 |
C16H29N5O4 |
![1-((2S,3S)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium](/) |
1-((2S,3S)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium |
|
|
![2-AMINO-3,5-DIBROMOBENZENE-1-CARBOHYDRAZIDE](/CAS/GIF/97096-13-4.gif) |
2-AMINO-3,5-DIBROMOBENZENE-1-CARBOHYDRAZIDE |
97096-13-4 |
C7H7Br2N3O |
![(3R,4R,5S)-ethyl 4,5-diacetamido-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate](/CAS/20210111/GIF/1191921-01-3.gif) |
(3R,4R,5S)-ethyl 4,5-diacetamido-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate |
1191921-01-3 |
C18H30N2O5 |
![Ticagrelor Impurity 109](/) |
Ticagrelor Impurity 109 |
|
|
![Ticagrelor Impurity 134](/) |
Ticagrelor Impurity 134 |
|
|
![Relugolix Impurity 66](/CAS/20210305/GIF/2591260-06-7.gif) |
Relugolix Impurity 66 |
2591260-06-7 |
C25H24F2N2O6S |
![methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3- oxopropanoate](/) |
methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3- oxopropanoate |
|
|
![methyl 5-methyl-3'-nitro-3-oxo-1,2,3,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate](/CAS/20210305/GIF/2469735-68-8.gif) |
methyl 5-methyl-3'-nitro-3-oxo-1,2,3,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate |
2469735-68-8 |
C15H15NO5 |
![Pregn-4-ene-3,20-dione, 9-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (11β,16α)-](/CAS/20211123/GIF/3093-36-5.gif) |
Pregn-4-ene-3,20-dione, 9-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (11β,16α)- |
3093-36-5 |
C24H33FO5 |
![INDEX NAME NOT YET ASSIGNED](/CAS/20211123/GIF/2402776-84-3.gif) |
INDEX NAME NOT YET ASSIGNED |
2402776-84-3 |
C23H27N9O4S2 |
![Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-[(aminocarbonyl)amino]-2-hydroxy-, (1S,2S,3R,4R)-](/CAS/20210305/GIF/2597901-48-7.gif) |
Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-[(aminocarbonyl)amino]-2-hydroxy-, (1S,2S,3R,4R)- |
2597901-48-7 |
C15H27N3O5 |
![3-Isoquinolinecarboxylic acid, 7-(4-chlorophenoxy)-4-hydroxy-, methyl ester](/CAS/20210305/GIF/2711953-58-9.gif) |
3-Isoquinolinecarboxylic acid, 7-(4-chlorophenoxy)-4-hydroxy-, methyl ester |
2711953-58-9 |
C17H12ClNO4 |
![(2-(2-((tert-butoxycarbonyl)(methyl)amino)-N-methylacetamido)pyridin-3-yl)methyl N-(tert-butoxycarbonyl)-N-methylglycinate](/) |
(2-(2-((tert-butoxycarbonyl)(methyl)amino)-N-methylacetamido)pyridin-3-yl)methyl N-(tert-butoxycarbonyl)-N-methylglycinate |
|
|
![N-トリチルロサルタン](/CAS/GIF/133909-99-6.gif) |
N-トリチルロサルタン |
133909-99-6 |
C41H37ClN6O |
![4'-(ブロモメチル)-[1,1'-ビフェニル]-2-カルボン酸](/StructureFile/ChemBookStructure7/GIF/CB4302342.gif) |
4'-(ブロモメチル)-[1,1'-ビフェニル]-2-カルボン酸 |
150766-86-2 |
C14H11BrO2 |
![Letrozole Impurity](/) |
Letrozole Impurity |
|
|
![Parecoxib Impurity J](/) |
Parecoxib Impurity J |
|
|
![6-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-(2-oxo-1,2-dihydroquinolin-7-yloxy)butyl)quinolin-2(1H)-one](/CAS/20180702/GIF/CB43038765.gif) |
6-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-(2-oxo-1,2-dihydroquinolin-7-yloxy)butyl)quinolin-2(1H)-one |
|
C38H40N4O4S |
![Linagliptin Impurity J](/) |
Linagliptin Impurity J |
|
|
![Linagliptin Impurity Q](/) |
Linagliptin Impurity Q |
|
|
![(R)-2-(((1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)amino)methyl)-4-fluorobenzonitrile](/CAS/20180702/GIF/CB43042201.gif) |
(R)-2-(((1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)amino)methyl)-4-fluorobenzonitrile |
|
C26H24F2N6O2 |
![Rosuvastatin Calcium Impurity](/) |
Rosuvastatin Calcium Impurity |
|
|
![Piperazine, 1-methyl-4-[(4-methyl-1-piperazinyl)carbonyl]-](/CAS/20180601/GIF/4180-30-7.gif) |
Piperazine, 1-methyl-4-[(4-methyl-1-piperazinyl)carbonyl]- |
4180-30-7 |
C11H22N4O |
![Cefdinan impurity S](/) |
Cefdinan impurity S |
|
|
![(4S)-2-(((R)-2-Amino-2-phenylacetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4-carboxylic](/CAS/GIF/1642629-93-3.gif) |
(4S)-2-(((R)-2-Amino-2-phenylacetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4-carboxylic |
1642629-93-3 |
C16H21N3O5S |
![3,3'-(ethane-1,2-diyl)bis(1-(2-chloroethyl)-1H-benzo[d]imidazol-2(3H)-one)](/CAS/20180601/GIF/191977-79-4.gif) |
3,3'-(ethane-1,2-diyl)bis(1-(2-chloroethyl)-1H-benzo[d]imidazol-2(3H)-one) |
191977-79-4 |
C20H20Cl2N4O2 |
![octakis(6-chloro-6-deoxy)-γ-cyclodextrin](/CAS/20210111/GIF/173094-60-5.gif) |
octakis(6-chloro-6-deoxy)-γ-cyclodextrin |
173094-60-5 |
C48H72Cl8O32 |
![N-[4-(difluoromethoxy)-2-nitrophenyl]acetamide](/CAS/20180601/GIF/97963-75-2.gif) |
N-[4-(difluoromethoxy)-2-nitrophenyl]acetamide |
97963-75-2 |
C9H8F2N2O4 |
![Ropivacaine-ET](/CAS/20200515/GIF/2180-94-1.gif) |
Ropivacaine-ET |
2180-94-1 |
C16H24N2O |
![Pitavastatin Dihydrobenzophenanthridine](/CAS/20180808/GIF/1187966-91-1.gif) |
Pitavastatin Dihydrobenzophenanthridine |
1187966-91-1 |
C25H24FNO4 |
![BDJS-SH 3](/CAS/20200515/GIF/1817657-89-8.gif) |
BDJS-SH 3 |
1817657-89-8 |
C12H18N2O2 |
![Blonanserin impurity E](/) |
Blonanserin impurity E |
|
|
![Clindamycin Impurity 17](/) |
Clindamycin Impurity 17 |
|
|
![Edaravone Impurity 12](/CAS/20200515/GIF/2061958-41-4.gif) |
Edaravone Impurity 12 |
2061958-41-4 |
C12H16N2O2 |
![Empagliflozin Impurity 19](/) |
Empagliflozin Impurity 19 |
|
|
![Erythromycin impurity D](/) |
Erythromycin impurity D |
|
|
![FeBuxostat Impurity 40](/) |
FeBuxostat Impurity 40 |
|
|
![Formoterol Impurity 13](/CAS/20180808/GIF/150513-24-9.gif) |
Formoterol Impurity 13 |
150513-24-9 |
C18H24N2O3 |
![Benzoic acid, 3-(aminosulfonyl)-2,4-dichloro-](/CAS/20210305/GIF/1870323-25-3.gif) |
Benzoic acid, 3-(aminosulfonyl)-2,4-dichloro- |
1870323-25-3 |
C7H5Cl2NO4S |
![Benzeneacetamide, N,α,α-trimethyl-N-[6-(4-methyl-1,4-dioxido-1-piperazinyl)-4-(2-methylphenyl)-3-pyridinyl]-3,5-bis(trifluoromethyl)-](/CAS/20210305/GIF/1431216-61-3.gif) |
Benzeneacetamide, N,α,α-trimethyl-N-[6-(4-methyl-1,4-dioxido-1-piperazinyl)-4-(2-methylphenyl)-3-pyridinyl]-3,5-bis(trifluoromethyl)- |
1431216-61-3 |
C30H32F6N4O3 |
![Tafluprost Impurity 15](/) |
Tafluprost Impurity 15 |
|
|
![Rosuvastatin Impurity 159 (Sodium salt)](/) |
Rosuvastatin Impurity 159 (Sodium salt) |
|
|
![Rosuvastatin Impurity 140](/) |
Rosuvastatin Impurity 140 |
|
|
![Rosuvastatin Impurity 130](/) |
Rosuvastatin Impurity 130 |
|
|
![Terlipressin Impurity 1 (des-Gly1)](/) |
Terlipressin Impurity 1 (des-Gly1) |
|
|
![Brivaracetam Impurity 66](/) |
Brivaracetam Impurity 66 |
|
|
![2-Acetoxymethyl1-3-Methyl-4-](/CAS/20180808/GIF/112525-75-4.gif) |
2-Acetoxymethyl1-3-Methyl-4- |
112525-75-4 |
C11H12F3NO3 |
![Ertapenem Impurity D(USP)](/) |
Ertapenem Impurity D(USP) |
|
|
![3-(N-Benzyl-N-methylamino)propiophenone hydrochloride](/CAS/GIF/5409-62-1.gif) |
3-(N-Benzyl-N-methylamino)propiophenone hydrochloride |
5409-62-1 |
C17H20ClNO |
![2(1H)-Isoquinolinecarboxylic acid, 3,4-dihydro-4-hydroxy-1-phenyl-, (3R)-1-azabicyclo[2.2.2]oct-3-yl ester, (1S,4S)-](/CAS/20210305/GIF/869884-24-2.gif) |
2(1H)-Isoquinolinecarboxylic acid, 3,4-dihydro-4-hydroxy-1-phenyl-, (3R)-1-azabicyclo[2.2.2]oct-3-yl ester, (1S,4S)- |
869884-24-2 |
C23H26N2O3 |
![Azilsartan Medoxomil Potassium impurity209](/) |
Azilsartan Medoxomil Potassium impurity209 |
|
|
![Nelarabine impurity 01](/) |
Nelarabine impurity 01 |
|
|
![Cyclopropanamine, 2-(3-fluorophenyl)-, (1R,2S)- (9CI)](/CAS/GIF/220353-83-3.gif) |
Cyclopropanamine, 2-(3-fluorophenyl)-, (1R,2S)- (9CI) |
220353-83-3 |
C9H10FN |
![Fosaprepitant Impurity 4](/CAS/20211123/GIF/1523569-85-8.gif) |
Fosaprepitant Impurity 4 |
1523569-85-8 |
C37H34F7N4O6P |
![Fudosteine Impurity 2](/CAS/20200611/GIF/1480319-53-6.gif) |
Fudosteine Impurity 2 |
1480319-53-6 |
C6H13NO5S |
![Isavuconazole Impurity 10](/) |
Isavuconazole Impurity 10 |
|
|
![Isavuconazole Impurity 18](/) |
Isavuconazole Impurity 18 |
|
|
![Isavuconazole Impurity 6](/) |
Isavuconazole Impurity 6 |
|
|
![Lercanidipine Impurity 4](/CAS/20211123/GIF/2727061-30-3.gif) |
Lercanidipine Impurity 4 |
2727061-30-3 |
C18H23NO2 |
![Nitrendipine Impurity 4](/) |
Nitrendipine Impurity 4 |
|
|
![Olaparib Impurity 6](/) |
Olaparib Impurity 6 |
|
|
![Paclitaxel EP Impurity H](/) |
Paclitaxel EP Impurity H |
|
|
![Paroxetine Impurity 10](/) |
Paroxetine Impurity 10 |
|
|
![Posaconazole Impurity 31](/) |
Posaconazole Impurity 31 |
|
|
![Posaconazole Impurity 60](/CAS/20210111/GIF/2134652-05-2.gif) |
Posaconazole Impurity 60 |
2134652-05-2 |
C14H14F2O4 |
![Regorafenib impurity D](/) |
Regorafenib impurity D |
|
|
![SofosBuvir impurity 21](/CAS/20211123/GIF/1496552-50-1.gif) |
SofosBuvir impurity 21 |
1496552-50-1 |
C22H29ClN3O9P |
![sofosBuvir impurity 36](/) |
sofosBuvir impurity 36 |
|
|
![SofosBuvir Impurity 52](/) |
SofosBuvir Impurity 52 |
|
|
![SofosBuvir Impurity 59](/) |
SofosBuvir Impurity 59 |
|
|
![Ticagrelor impurity 25](/) |
Ticagrelor impurity 25 |
|
|
![Tirofiban Impurity 14](/CAS/20210305/GIF/1103300-75-9.gif) |
Tirofiban Impurity 14 |
1103300-75-9 |
C12H17NO5S |
![Tirofiban Impurity 19](/CAS/20210111/GIF/158808-75-4.gif) |
Tirofiban Impurity 19 |
158808-75-4 |
C18H28N2O3 |
![Ampicillin Impurity S](/) |
Ampicillin Impurity S |
|
|
![Cefdinir Impurity F (CP)](/) |
Cefdinir Impurity F (CP) |
|
|
![Flucloxacillin Sodium Impurity A](/CAS/20180808/GIF/68728-50-7.gif) |
Flucloxacillin Sodium Impurity A |
68728-50-7 |
C19H20ClFN3NaO6S |
![Oxacillin Sodium Impurity G(EP)](/CAS/20210111/GIF/724695-30-1.gif) |
Oxacillin Sodium Impurity G(EP) |
724695-30-1 |
C19H18ClN3O5S |
![Spectinomycin Impurity D](/) |
Spectinomycin Impurity D |
|
|
![(4R,4aS,5aR,12aS)-9-[2-(tert-butylamino)acetamido]-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide](/CAS/20180703/GIF/CB93371326.gif) |
(4R,4aS,5aR,12aS)-9-[2-(tert-butylamino)acetamido]-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide |
|
C29H39N5O8 |
![Amifostine Impurity 3](/CAS/20210305/GIF/41510-53-6.gif) |
Amifostine Impurity 3 |
41510-53-6 |
C5H15N2O3PS |
![Cefradine impurity C](/) |
Cefradine impurity C |
|
|
![Cefuroxime sodium impurity H](/CAS/20180703/GIF/CB93376093.gif) |
Cefuroxime sodium impurity H |
|
C16H16N4NaO8S |
![Bilastine N-Oxide](/CAS/20211123/GIF/2069238-47-5.gif) |
Bilastine N-Oxide |
2069238-47-5 |
C28H37N3O4 |
![Cefoxitin impurity F](/) |
Cefoxitin impurity F |
|
|