Structure |
Chemical Name |
CAS |
MF |
 |
Linagliptin Impurity C |
1791405-13-4 |
C15H20N6O2 |
![1,1-Cyclopropanedicarboxamide,N-[4-[(6,7-dimethoxy-4-quinolinyl)oxy]phenyl]-N'-phenyl-](/CAS/20180808/GIF/849221-94-9.gif) |
1,1-Cyclopropanedicarboxamide,N-[4-[(6,7-dimethoxy-4-quinolinyl)oxy]phenyl]-N'-phenyl- |
849221-94-9 |
C28H25N3O5 |
![methyl (41S,12S,13aS)-13a-ethyl-12-hydroxy-8-methoxy-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/20210111/GIF/57430-34-9.gif) |
methyl (41S,12S,13aS)-13a-ethyl-12-hydroxy-8-methoxy-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 |
57430-34-9 |
C22H28N2O4 |
![(R)-1-[3-[4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]ethanone](/CAS/20180527/GIF/1288338-95-3.gif) |
(R)-1-[3-[4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]ethanone |
1288338-95-3 |
C24H24N6O2 |
 |
Amlodipine Impurity 17 |
|
C26H31ClN2O8S |
 |
Edoxaban Impurity 12 (1R,2R,4S) |
|
|
 |
Rivaroxaban Impurity 26 |
1838133-00-8 |
C23H21Cl2N3O5S2 |
 |
Erlotinib |
938185-06-9 |
C16H11N3O2 |
![methyl (41R,12S,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/20180808/GIF/18374-18-0.gif) |
methyl (41R,12S,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 |
18374-18-0 |
C21H26N2O3 |
 |
Brexpiprazole sulfoxide impurity |
1191900-51-2 |
C25H27N3O3S |
 |
Cabozantinib Impurity H |
|
|
 |
Clopidogrel Impurity 11 |
|
C15H14ClNO2S |
 |
Medetomidine Impurity 3 |
104245-83-2 |
C10H13Cl |
 |
Tofacitinib Impurity 35 |
|
|
 |
ethyl 4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonate |
1884279-18-8 |
C18H17NO4S |
 |
N-methyl-1-(5-phenyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methanamine fumarate |
928325-82-0 |
C21H21N3O6S |
 |
Phenol, 2,4-dibromo-3-methyl- |
13321-75-0 |
C7H6Br2O |
 |
N-((4-FLUOROPHENYL)METHYL)ETHANAMIDE |
86010-68-6 |
C9H10FNO |
 |
Benzenediazonium, 4-(ethoxycarbonyl)-, chloride |
2028-79-7 |
C9H9ClN2O2 |
 |
2,4-Pteridinediamine,6-(methoxymethyl)- |
40110-13-2 |
C8H10N6O |
 |
Fingolimod EP Impurity D |
780729-32-0 |
C21H37NO2 |
 |
Pentanedioic acid, 2,4-diacetyl-3-(3-nitrophenyl)-, dimethyl ester |
89080-61-5 |
C17H19NO8 |
![2-Thiazoleacetic acid,4-carboxy-2,5-dihydro-5-(4-hydroxybutylidene)-a-[(1R)-1-hydroxyethyl]-, disodium salt, (aS,2R,5Z)- (9CI)](/CAS/20180808/GIF/130609-10-8.gif) |
2-Thiazoleacetic acid,4-carboxy-2,5-dihydro-5-(4-hydroxybutylidene)-a-[(1R)-1-hydroxyethyl]-, disodium salt, (aS,2R,5Z)- (9CI) |
130609-10-8 |
C12H18NNaO6S |
 |
4,4'-Iminodiphenol hydrochloride |
1965310-24-0 |
C12H12ClNO2 |
 |
Cefradine Impurity D |
|
|
 |
OCTAKIS-6-BROMO-6-DEOXY-GAMMA-CYCLODEXTRIN |
53784-84-2 |
C48H72Br8O32 |
 |
2-Ethynylaniline |
52670-38-9 |
C8H7N |
 |
Palbociclib Impurity 91 |
571191-15-6 |
C22H27N7O2 |
 |
Ibrutinib Impurity 28 |
2213398-75-3 |
C18H15N5O |
 |
Clopidogrel Impurity 60 |
1430373-12-8 |
C25H26ClNO6S |
 |
Ozagrel Impurity F |
|
|
 |
Ceftriaxone Sodium impurity 1 |
1214622-93-1 |
C10H12N2O5S |
 |
Lasoprazole impurity |
|
|
 |
2-bromo-1-(4-chlorothiophen-2-yl)ethanone |
677007-73-7 |
C6H4BrClOS |
 |
Fluticasone Impurity 14 |
|
C25H31F3O5S |
 |
Ritonavir EP Impurity U |
|
|
 |
((3R,5S)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenyl
carbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate)calcium(II)
|
|
C66H68CaF2N4O10 |
 |
DexMedetoMidine IMpurity O |
|
|
 |
Rivaroxaban Impurity 48 |
1414932-72-1 |
C21H20ClN3O4 |
 |
Imatinib Impurity A |
|
|
 |
Vonoprazan Impurity 19 |
|
|
 |
Pregabalin Diacid |
1788341-42-3 |
C16H26N2O |
 |
Dexamethasone Impurity A |
|
|
 |
Olaparib Impurity 24 |
|
|
 |
Topiroxostat Impurity 6 |
|
|
 |
Irinotecan EP Impurity H |
|
|
 |
Teneligliptin Impurity 4 |
|
|
 |
Erlotinib Hydrochloride iMpurity 53 |
|
|
![(3R,4S)-phenyl 3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4- fluorophenyl)piperidine-1-carboxylate](/CAS/20200331/GIF/CB25440951.gif) |
(3R,4S)-phenyl 3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4- fluorophenyl)piperidine-1-carboxylate |
2389152-22-9 |
C26H24FNO5 |
 |
Moxifloxacin EP Impurity K |
|
|
 |
Anestagnate |
|
|
 |
Trelagliptin IMpurity 33 |
|
|
 |
Estradiol Impurity 1 |
57780-81-1 |
C18H24O4 |
 |
Metoprolol IMpurity L |
|
C15H25NO3 |
 |
Teneligliptin Impurity 14 |
|
|
 |
Ampicillin EP Impurity P |
|
|
![5-Heptenoic acid, 7-[(1R,2R,3R,5S)-2-[(1E)-3,3-difluoro-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-, 1-methylethyl ester, (5E)-](/CAS/20200331/GIF/1563176-58-8.gif) |
5-Heptenoic acid, 7-[(1R,2R,3R,5S)-2-[(1E)-3,3-difluoro-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-, 1-methylethyl ester, (5E)- |
1563176-58-8 |
C25H34F2O5 |
![Butanoic acid, 2,2-dimethyl-, (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R,5S)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester](/CAS/20200331/GIF/477877-98-8.gif) |
Butanoic acid, 2,2-dimethyl-, (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R,5S)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester |
477877-98-8 |
C26H40O5 |
 |
1H-1,2,4-Triazole-1-ethanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-, 4-oxide |
1997296-62-4 |
C13H12F2N6O2 |
 |
para-Hydroxy L-Milnacipran |
688738-11-6 |
C15H22N2O2 |
 |
Varenicline Impurity 9 |
|
|
 |
Elagolix Sodium impurity3 |
|
|
 |
Epinephrine Impurity 4 |
94217-53-5 |
C9H13NO3 |
 |
(trans)-4-((2-amino-3,6-dibromobenzyl)amino)cyclohexanol |
|
C13H18Br2N2O |
 |
Recombinant N-Acetyl Alpha-D-Glucosaminidase (NAGLU) |
|
|
 |
(2R,3R,4R,5R)-2-(4-amino-2-oxo |
1415316-72-1 |
C12H16N4O7 |
 |
(R)-2-(3-(diisopropylamino)-1-phenylpropyl)phenol |
|
C21H29NO |
 |
Dexamethasone EP impurities F |
|
|
 |
4-amino-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,3,5-triazin-2(1H)-one compound with (2R,3S,4R,5S)-2-(hydroxymethyl)-5-methyltetrahydrofuran-3,4-diol |
|
|
![D-Ribofuranose, 1-C-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2,3,5-tris-O-(phenylmethyl)-](/CAS/20200611/GIF/1355049-94-3.gif) |
D-Ribofuranose, 1-C-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2,3,5-tris-O-(phenylmethyl)- |
1355049-94-3 |
C32H32N4O5 |
 |
Delamanid Impurity 1 |
|
|
![N-[4-[(6,7-Dimethoxy-4-quinolinyl)oxy]phenyl]-N'-(4-fluoro-3-hydroxyphenyl)-1,1-cyclopropanedicarboxamide](/CAS/20210111/GIF/1628530-41-5.gif) |
N-[4-[(6,7-Dimethoxy-4-quinolinyl)oxy]phenyl]-N'-(4-fluoro-3-hydroxyphenyl)-1,1-cyclopropanedicarboxamide |
1628530-41-5 |
C28H24FN3O6 |
 |
Oseltamivir Impurity Mixture (MW:486 Da) |
|
|
 |
2,2'-(7-((2R,3S)-1,3,4-trihydroxybutan-2-yl)-10-((2S,3R)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4-diyl)diacetic acid Gd3+ |
|
|
 |
(R)-Ethyl 3-(bromomethyl)hexanoate |
1956435-91-8 |
C9H17BrO2 |
 |
Flucloxacillin Sodium EP Impurity B |
|
|
 |
Acyclovir Impurity 15 |
|
|
 |
Brivaracetam Impurity 5 |
1942054-60-5 |
C7H13BrO2 |
 |
(S,E)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxyhept-2-enoic acid calcium(II) |
1659317-57-3 |
C33H35CaFN2O4 |
 |
Epalrestat Impurity 4 |
130786-32-2 |
C8H9NO3S2 |
 |
Apixaban Impurity 73 |
1998079-13-2 |
C44H40N8O8 |
 |
Alectinib Impurity 10 |
1256584-81-2 |
C28H29N3O3 |
 |
Alectinib Impurity 10 |
1256584-81-2 |
C28H29N3O3 |
 |
Acemetacin Impurity C |
|
|
 |
Propofol Impurity II (2,6-Diisopropyl-1,4-benzoquinone) |
|
|
 |
Vonoprazan Impurity 58 |
|
|
 |
Tafluprost Impurity 12 |
|
|
 |
IOHEXOL RELATED COMPOUND C (100 MG) (N,N'- BIS(2,3-DIHYDROXYPROPYL)-5-NITRO-1,3-BENZENEDI- CARBOXAMIDE) |
|
|
 |
N-(4-AMINO-6,7-DIMETHOXYQUINAZOL-2-YL)-N-METHYL-PROPYLENEDIAMINE, HYDROCHLORIDE |
81403-69-2 |
C14H22ClN5O2 |
 |
N-(4-AMINO-6,7-DIMETHOXYQUINAZOL-2-YL)-N-METHYL-PROPYLENEDIAMINE, HYDROCHLORIDE |
81403-69-2 |
C14H22ClN5O2 |
 |
FAMOTIDINE RELATED COMPOUND B |
89268-62-2 |
C16H23N11O2S5 |
 |
TIZOXANIDE GLUCURONIDE, SODIUM SALT |
221287-83-8 |
C16H14N3NaO10S |
 |
ETHYL (2E)-CHLORO(PHENYLHYDRAZONO)ACETATE |
28663-68-5 |
C10H11ClN2O2 |
 |
Sugammadex sodium Impurity 50 |
|
|
 |
Cabozantinib impurity 39 |
|
|
 |
Cabozantinib impurity 53 |
|
|
 |
1-(2-chloro-2-(2,4-difluorophenyl)ethyl)-1H-1,2,4-triazole |
206050-24-0 |
C10H8ClF2N3 |
 |
methyl 1-phenylethanesulfonate |
883835-57-2 |
C9H12O3S |
 |
Doxofylline Impurity 22 |
|
|
 |
Dapoxetine impurity 61 |
|
|