| Structure |
Chemical Name |
CAS |
MF |
 |
Bisoprolol Impurity 53 |
|
|
|
|
Doxylamine Impurity E |
|
|
 |
Phenoxymethylpenicillin Potassium EP Impurity F |
2714805-53-3 |
C15H20N2O4S |
|
|
Methylprednisolone EP Impurity D1 |
|
|
|
|
Nirmatrelvir Impurity 13 |
|
|
 |
2-Pyridinecarboxamide, 4-hydroxy-N-methyl- (9CI) |
611226-36-9 |
C7H8N2O2 |
|
|
Bumetanide Impurity 22 |
|
|
|
|
Rocuronium Bromide Impurity 32 、33 |
|
|
|
|
Flucloxacillin Sodium Impurity X |
|
|
|
|
Pitavastatin Impurity 98 |
|
|
|
|
Perospirone Impurity 29 |
|
|
|
|
Perospirone Impurity 24 |
|
|
|
|
Perospirone Impurity 7 |
1002359-81-0 |
|
|
|
2-methyl-4-(((2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14- tetraen-1-yl)oxy)naphthalen-1-yl acetate |
|
|
|
|
Peramivir Amino Carboxylic Isomerism Impurity |
|
|
 |
methylprednisolone 17-hemisuccinate |
77074-42-1 |
C26H34O8 |
 |
8-hydroxymethylriboflavin |
52134-62-0 |
C17H20N4O7 |
|
|
Peramivir Chlorinated Impurity |
|
|
|
|
Tafluprost Impurity 17 |
|
|
|
|
Rosuvastatin Impurity 160 （Sodium salt) |
|
|
 |
Rosuvastatin Impurity 143 |
2964549-48-0 |
C32H34F2N6O7S2 |
|
|
Rosuvastatin Impurity 131 |
|
|
|
|
Rosuvastatin Impurity 125 |
|
|
|
|
Terlipressin Impurity 2 (des-Gly1,Gly2) |
|
|
![BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE]](/CAS/20180713/GIF/87579-78-0.gif) |
BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE] |
87579-78-0 |
C21H21NO4S |
|
|
4-(2-((2R,3R)-3-(2,5-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)thiazol-4-yl)benzamide |
|
|
|
|
Ertapenem Impurity C(USP) |
|
|
|
|
Ertapenem Impurity 22 |
|
|
|
|
(1-carboxy-1-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)ethyl)-L-cysteine |
|
|
 |
1,4-Butanediaminium, N1,N4-diethyl-N1,N1,N4,N4-tetrakis(1-methylethyl)-, bromide (1:2) |
1621467-18-2 |
C20H46BrN2+ |
 |
1,6,10,14-Hexadecatetraen-3-ol, 3,7,11,15-tetramethyl-, (6Z,10E)- |
3790-76-9 |
C20H34O |
|
|
Bisoprolol Impurity 51 |
|
|
 |
2-Deoxy-2,2-difluoro-D-ribofuranose-3,5-dibenzoate-1-methanesulfonate |
134877-42-2 |
C20H18F2O8S |
|
|
Pitavastatin Impurity 105 |
|
|
|
|
Nirmatrelvir Impurity 11 |
|
|
|
|
Bumetanide Impurity 21 |
|
|
![4'-(Hydroxymethyl)-[1,1'-Biphenyl]-2-Carboxylic Acid](/CAS/GIF/158144-54-8.gif) |
4'-(Hydroxymethyl)-[1,1'-Biphenyl]-2-Carboxylic Acid |
158144-54-8 |
C14H12O3 |
 |
RS 42358-197 |
135729-55-4 |
C19H23ClN2O |
 |
acetylthiamine |
3419-28-1 |
|
![(7R)-3-(ヒドロキシメチル)-7-[[(R)-5-アミノ-5-カルボキシ-1-オキソペンチル]アミノ]セファム-3-エン-4-カルボン酸](/CAS/20200611/GIF/1476-46-6.gif) |
(7R)-3-(ヒドロキシメチル)-7-[[(R)-5-アミノ-5-カルボキシ-1-オキソペンチル]アミノ]セファム-3-エン-4-カルボン酸 |
1476-46-6 |
C14H19N3O7S |
 |
4-(2-Cyanophenyl)benzyl alcohol |
154709-19-0 |
C14H11NO |
|
|
Brivaracetam Impurity 999 |
|
|
|
|
Dasatinib impurity 48 |
|
|
|
|
Pemetrexed Impurity 120 |
|
|
|
|
Ticagrelor Impurity 101 |
|
|
|
|
4-tosyl-1,4,8,11-tetraazabicyclo[9.3.1]pentadecane |
|
|
|
|
1-(3-((2,4-dimethylphenyl)thio)phenyl)piperazine hydrochloride |
2137793-92-9 |
|
 |
(R)-(-)-2-AMINOBUTANAMIDE HYDROCHLORIDE, 97% |
103765-03-3 |
C4H11ClN2O |
 |
Flomoxef Impurity 20 Sodium Salt |
2095697-77-9 |
C15H18F2N6O7S2 |
 |
((2R,3S,4R)-3,4,5-trihydroxytetrahydrofuran-2-yl)methyl isobutyrate |
2591381-21-2 |
C9H16O6 |
amino]-5-(4-nitrophenyl)-, ethyl ester](/CAS/20210305/GIF/2591260-07-8.gif) |
3-Thiophenecarboxylic acid, 4-(bromomethyl)-2-[[(2,6-difluorophenyl)methyl](propoxycarbonyl)amino]-5-(4-nitrophenyl)-, ethyl ester |
2591260-07-8 |
C25H23BrF2N2O6S |
![Cyclohexanecarboxylic acid, 2-[[[4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl]amino]carbonyl]-, (1R,2S)-rel-](/CAS/20210305/GIF/190582-37-7.gif) |
Cyclohexanecarboxylic acid, 2-[[[4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl]amino]carbonyl]-, (1R,2S)-rel- |
190582-37-7 |
C23H32N4O3S |
|
|
Ivabradine Impurity II |
|
|
![(1R,2R,4S,5S,7r)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate](/CAS/20211123/GIF/792155-94-3.gif) |
(1R,2R,4S,5S,7r)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate |
792155-94-3 |
C18H19NO4S2 |
|
|
Brivaracetam Impurity 118 |
|
|
 |
1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxylic acid |
2975124-11-7 |
C22H34N4O3 |
|
|
Empagliflozin Impurity 108 |
|
|
|
|
Perospirone Impurity 28 |
|
|
|
|
Perospirone Impurity 23 |
|
|
|
|
Perospirone Impurity 16 |
|
|
|
|
Dolutegravir Impurity 24 |
|
|
|
|
Paxlovid Impurity 18 |
|
|
|
|
Related impurities of fluoxetine sodium 8 |
|
|
|
|
Fondaparinux sodium impurity 15 |
|
|
 |
Levofloxacin N-Oxide |
117678-37-2 |
C18H20FN3O5 |
 |
Oseltamivir EP Impurity A |
1391047-93-0 |
C14H24N2O4 |
 |
Quetiapine EP Impurity N |
1800291-86-4 |
C29H41N5O3S |
|
|
Ceftazidime Impurity |
|
|
 |
Chlorhexidine Digluconate Impurity N |
152504-10-4 |
C15H25ClN8 |
 |
チオ酢酸S-アゼチジン-3-イルエステル |
886615-18-5 |
C5H9NOS |
|
|
Olaparib Impurity C |
|
|
|
|
Olaparib Impurity F |
|
|
|
|
Dapoxetine Impurity 4 |
|
|
|
|
Glycopyrrolate impurity 3 |
|
|
![1-Propanol, 3-[[2-[(1H-benzimidazol-2-ylsulfinyl)methyl]-3-methyl-4-pyridinyl]oxy]-](/CAS/GIF/117976-94-0.gif) |
1-Propanol, 3-[[2-[(1H-benzimidazol-2-ylsulfinyl)methyl]-3-methyl-4-pyridinyl]oxy]- |
117976-94-0 |
C17H19N3O3S |
 |
2',3'-O-イソプロピリデンシチジン |
362-42-5 |
C12H17N3O5 |
 |
テルブタリン3,5-ジベンジルエーテル |
28924-25-6 |
C26H31NO3 |
 |
1-(2-エトキシエチル)-2-クロロ-1H-ベンゾイミダゾール |
87233-54-3 |
C11H13ClN2O |
 |
2,2-Dimethyl-4-isopropyl-1,3-benzodioxole (Propofol Impurity L) |
201166-22-5 |
C12H16O2 |
 |
24Dichloro-5methoxyacetanilide |
65182-98-1 |
C9H9Cl2NO2 |
 |
3-(2-メチルベンゾイル)-1,1,1-トリフルオロアセトン |
163266-02-2 |
C11H9F3O2 |
 |
N-(2,6-dimethylphenyl)piperidine-4-carboxamide |
109403-19-2 |
C14H20N2O |
 |
vildagliptin Impurity R |
1803168-09-3 |
C7H8Cl2N2O |
 |
Cefmetazole Lactone |
70993-70-3 |
C13H13N3O5S2 |
|
|
Canagliflozin Impurity 19 |
|
|
|
|
Canagliflozin Impurity 24 |
|
|
|
|
Carfilzomib Impurity 5 |
|
|
 |
Dolutegravir Impurity 6 |
1357289-29-2 |
C20H19F2N3O5 |
|
|
Febuxostat Impurity 22 |
|
|
|
|
Istradefylline Impurity C |
|
|
 |
Everolimus O-Ethyl Impurity |
1704711-12-5 |
C54H85NO14 |
![(3S,4R)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-1-methyl-4-phenylpiperidine](/CAS/20210111/GIF/324023-99-6.gif) |
(3S,4R)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-1-methyl-4-phenylpiperidine |
324023-99-6 |
C20H23NO3 |
 |
Solifenacin Impurity 4（Solifenacin EP Impurity H） |
732228-02-3 |
C23H26N2O2 |
 |
849217-77-2 |
849217-77-2 |
C22H20N2O6 |
![1-Piperidinepropanoic acid, 4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-, ethyl ester, (3R,4R)-](/CAS/20211123/GIF/1675248-18-6.gif) |
1-Piperidinepropanoic acid, 4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-, ethyl ester, (3R,4R)- |
1675248-18-6 |
C18H25N5O3 |
 |
Amlodipine iMpurity L |
1821498-25-2 |
C17H19ClN2O5 |
![(6R,7R)-7-[(2,2-dimethylpropanoyl)amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid](/CAS/20180703/GIF/CB43155163.gif) |
(6R,7R)-7-[(2,2-dimethylpropanoyl)amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
2384108-14-7 |
C16H20N4O4S3 |
![methyl (41R,12R,13aS)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate](/CAS/20211123/GIF/58000-63-8.gif) |
methyl (41R,12R,13aS)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate |
58000-63-8 |
C21H26N2O3 |
 |
(S)-ethyl 2-(((S)-(perfluorophenoxy)(phenoxy)phosphoryl)amino)propanoate |
1392015-05-2 |
C17H15F5NO5P |
 |
3-(2-cyclopentylidene-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide |
|
C19H26BrNO2 |