| Structure |
Chemical Name |
CAS |
MF |
 |
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 |
|
|
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 |
 |
Cephalexin Impurity 3 |
|
C16H17N3O4S |
![(6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid](/CAS/20180703/GIF/CB43159611.gif) |
(6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
1798390-48-3 |
C16H20N4O4S3 |
|
|
(S)-ethyl 3-((R)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylate(DD) |
|
|
 |
Lincomycin EP Impurity B |
37744-65-3 |
C18H32N2O6S |
 |
(Z)-ロキシトロマイシン |
134931-00-3 |
C41H76N2O15 |
 |
2-(pentan-3-yloxy)acetaldehyde |
1141364-90-0 |
C7H14O2 |
|
|
Cabozantinib Impurity B |
|
|
![(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine](/CAS/20180529/GIF/1223404-88-3.gif) |
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine |
1223404-88-3 |
C16H15F2N5 |
 |
Ceftazidime Ep Impurity H |
1354396-23-8 |
C23H24N6O7S2 |
 |
Parecoxib Sodium Impurity 14 |
1709956-89-7 |
C19H18N2O4S |
![Benzoic acid, 2-[(methylamino)sulfonyl]-](/CAS/20180529/GIF/125372-22-7.gif) |
Benzoic acid, 2-[(methylamino)sulfonyl]- |
125372-22-7 |
C8H9NO4S |
![1-Piperazineethanol,4-[(2-chlorophenyl)(3-chlorophenyl)methyl]-, hydrochloride (1:2)](/CAS/20180808/GIF/126517-38-2.gif) |
1-Piperazineethanol,4-[(2-chlorophenyl)(3-chlorophenyl)methyl]-, hydrochloride (1:2) |
126517-38-2 |
C19H24Cl4N2O |
 |
Benzene,1-ethoxy-4-(phenylmethyl)- |
35672-52-7 |
C15H16O |
 |
Donepezil Impurity |
36159-03-2 |
C22H22O5 |
 |
tert-Butyl 4-(4-nitropyridin-3-yl)piperazine-1-carboxylate |
1774898-55-3 |
C14H20N4O4 |
 |
4-(2-アミノフェノキシ)-N-メチルピコリンアミド |
1153328-25-6 |
C13H13N3O2 |
 |
Bupivacaine Impurity |
780736-98-3 |
C14H20N2O |
![rel-(4aR,7aR)-6-Benzyloctahydro-1H-pyrrolo[3,4-b]pyridine](/CAS/20210111/GIF/161594-54-3.gif) |
rel-(4aR,7aR)-6-Benzyloctahydro-1H-pyrrolo[3,4-b]pyridine |
161594-54-3 |
C14H20N2 |
 |
1,2-bis(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)ethane |
51299-16-2 |
C24H28F6N4 |
 |
(R)-N-(1-(7,8-dihydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine |
802918-35-0 |
C22H24F3N |
 |
Demiditraz racemate |
944263-08-5 |
C13H16N2 |
 |
Ropivacaine-iPr |
175888-75-2 |
C17H26N2O |
 |
Demiditraz IMpurity |
944267-48-5 |
C19H18N2O |
 |
17,21-ジヒドロキシ-16β-メチルプレグナ-1,4,11-トリエン-3,20-ジオン |
330157-04-5 |
C22H28O4 |
|
|
Capecitabine Impurity 8 |
|
|
|
|
Carfilzomib Impurity D |
|
|
|
|
Cefodizime Impurity 4 |
|
|
 |
Cefradine impurity 5 |
1379292-16-6 |
C10H17NO2 |
 |
Clopidogrel Impurity 13 |
2173294-69-2 |
C16H16ClNO5S2 |
|
|
DecitaBine Impurity 12 |
|
|
|
|
Erlotinib Impurity 28 |
|
|
 |
Fosaprepitant Impurity 12 |
172673-19-7 |
C23H22F7N4O6P |
|
|
Paxlovid Impurity 17 |
|
|
|
|
Related impurities of fluoxetine sodium 19 |
|
|
|
|
Fondaparinux sodium impurity 16 |
|
|
|
|
Fondaparinux Sodium Impurity 11 |
|
|