| Structure |
Chemical Name |
CAS |
MF |
 |
Ethyl 2-aminopropanoate |
17344-99-9 |
C5H11NO2 |
 |
For the determination of
impurities in lsobutylene |
|
|
|
|
For the determination of
impurities in Propylene |
|
|
|
|
HERBA CIRSII JAPONICI |
|
|
![(2S,5R)-N-(3-aminopropyloxy)-7-oxo-6-(sulfooxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide trifluoroacetic acid salt](/CAS/20211123/GIF/1572989-40-2.gif) |
(2S,5R)-N-(3-aminopropyloxy)-7-oxo-6-(sulfooxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide trifluoroacetic acid salt |
1572989-40-2 |
C12H19F3N4O9S |
|
|
Ritonavir EP Impurity ABC |
|
|
 |
1-Cyclohexene-1-carboxylic acid, 5-((3-(3,4-dihydroxyphenyl)-1-oxo-2-p ropenyl)oxy)-3,4-dihydroxy-, (3R-(3alpha,4alpha,5beta))- |
73263-62-4 |
C16H16O8 |
![Benzenecarboximidic acid, 4-[3-(aminocarbonyl)-5-ethoxy-1,4-dihydro-2,8-dimethyl-1,6-naphthyridin-4-yl]-3-methoxy-, ethyl ester](/CAS/20210305/GIF/2640280-83-5.gif) |
Benzenecarboximidic acid, 4-[3-(aminocarbonyl)-5-ethoxy-1,4-dihydro-2,8-dimethyl-1,6-naphthyridin-4-yl]-3-methoxy-, ethyl ester |
2640280-83-5 |
C23H28N4O4 |
 |
alpha-(3,4-dihydroxyphenyl)lactic acid |
22681-72-7 |
C9H10O5 |
 |
2-AMINO-3,5-DIBROMOBENZYL ALCOHOL |
50739-76-9 |
C7H7Br2NO |
 |
(R)-Pramipexole |
104632-28-2 |
C10H17N3S |
 |
Aprepitant-d4 |
1133387-60-6 |
C23H17D4F7N4O3 |
 |
(13α,14β,17α,20S)-5α-Lanosta-8,24-dien-3β-ol |
514-46-5 |
C30H50O |
 |
3-(Bromomethyl)-2-cyclopropyl-4-(4'-fluorophenyl)quinoline |
154057-56-4 |
C19H15BrFN |
![1-[1-(Bromomethyl)ethenyl]-2,4-difluoro-benzene](/CAS2/GIF/159276-58-1.gif) |
1-[1-(Bromomethyl)ethenyl]-2,4-difluoro-benzene |
159276-58-1 |
C9H7BrF2 |
 |
3-Dechloro-3-broMo Trazodone Hydrochloride |
1263278-80-3 |
C19H23BrClN5O |
 |
N,N'-Desethylene-N,N'-diforMyl Levofloxacin |
151377-74-1 |
C18H18FN3O6 |
 |
(+)-Fluprostenol |
54276-17-4 |
C23H29F3O6 |
 |
Atorvastatin IMpurity G |
887324-53-0 |
C34H37FN2O5 |
 |
Atorvastatin Impurity 20 |
1016893-70-1 |
C14H23NO4 |
 |
EsoMeprazole related substance H193/61 |
784143-42-6 |
C18H21N3O3S |
![(6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid](/CAS/GIF/1315481-36-7.gif) |
(6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid |
1315481-36-7 |
C25H27N9O8S2 |
![[6R-[6α,7β(E)]]-7-[[(2-AMino-4-thiazolyl)[(car](/CAS/GIF/97164-56-2.gif) |
[6R-[6α,7β(E)]]-7-[[(2-AMino-4-thiazolyl)[(car |
97164-56-2 |
C16H15N5O7S2 |
 |
1-(o-Chloro-α-phenylbenzyl)piperazine |
109036-15-9 |
C17H19ClN2 |
 |
2-AMino-3-(4-broMobenzoyl)benzoic Acid |
241496-82-2 |
C14H10BrNO3 |
![2-[(2-FuranylMethyl)sulfinyl]-N-[4-[[4-(1-piperidinylMethyl)-2-pyridinyl]oxy]butyl]acetaMide](/CAS/GIF/118288-14-5.gif) |
2-[(2-FuranylMethyl)sulfinyl]-N-[4-[[4-(1-piperidinylMethyl)-2-pyridinyl]oxy]butyl]acetaMide |
118288-14-5 |
C22H31N3O4S |
![2-[2-(2-Methyl-5-nitroiMidazol-1-yl)ethoxy]ethanol](/CAS/GIF/16156-94-8.gif) |
2-[2-(2-Methyl-5-nitroiMidazol-1-yl)ethoxy]ethanol |
16156-94-8 |
C8H13N3O4 |
![6-broMo-8-cyclopentyl-5-Methyl-2-(5-(piperazin-1-yl)pyridin-2-ylaMino)pyrido[2,3-d]pyriMidin-7(8H)-one](/CAS/GIF/851067-56-6.gif) |
6-broMo-8-cyclopentyl-5-Methyl-2-(5-(piperazin-1-yl)pyridin-2-ylaMino)pyrido[2,3-d]pyriMidin-7(8H)-one |
851067-56-6 |
C22H26BrN7O |
![4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-6-[4-(5-methyl-2-oxo-1-piperidinyl)phenyl]-7-oxo-1H-pyrazolo[3,4-c]pyridine-3-carboxamide](/CAS/20180906/GIF/1686149-74-5.gif) |
4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-6-[4-(5-methyl-2-oxo-1-piperidinyl)phenyl]-7-oxo-1H-pyrazolo[3,4-c]pyridine-3-carboxamide |
1686149-74-5 |
C26H27N5O4 |
 |
N-((4-(5-Methyl-3-phenylisoxazol-4-yl)phenyl)sulfonyl)isobutyraMide |
198470-82-5 |
C20H20N2O4S |
 |
BroMocriptine IMpurity E |
2492-53-7 |
C16H16BrN3O |
 |
Cefazolin SodiuM iMpurity G |
1172998-53-6 |
C11H10N6O4S |
 |
Naphazoline IMpurity D |
22126-67-6 |
C14H14N2 |
 |
19-Epi FK-506 |
144490-63-1 |
C44H69NO12 |
 |
4-(6,8-Dibromo-3(4H)-quinazolinyl)-cyclohexanol |
1797894-71-3 |
C14H16Br2N2O |
 |
(R)-1-(3-Ethoxy-4-Methoxyphenyl)-2-(Methylsulfonyl)ethylaMine |
608142-27-4 |
C12H19NO4S |
|
|
Tadalafil EP IMpurity G |
|
|
![(8β)-9,10-Didehydro-8-[[[(1,1-diMethylethyl)diMethylsilyl]oxy]Methyl]-6-Methylergoline](/CAS/20211123/GIF/1075250-72-4.gif) |
(8β)-9,10-Didehydro-8-[[[(1,1-diMethylethyl)diMethylsilyl]oxy]Methyl]-6-Methylergoline |
1075250-72-4 |
C22H32N2OSi |
 |
6”-O-xylosyl-glycitin |
231288-18-9 |
C27H30O14 |
![Riboflavin-[13C4,15N2] (Vitamin B2-[13C4,15N2])](/CAS/20180808/GIF/1217461-14-7.gif) |
Riboflavin-[13C4,15N2] (Vitamin B2-[13C4,15N2]) |
1217461-14-7 |
C17H20N4O6 |
 |
Apixaban Related Compound 4 |
99585-01-0 |
C6H10Cl2O |
 |
Bifendate Impurity A |
1181519-47-0 |
C21H19N5O2S |
![(2S-cis)-6,6-Dibrom-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-2-carbonsure](/CAS/GIF/24158-88-1.gif) |
(2S-cis)-6,6-Dibrom-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-2-carbonsure |
24158-88-1 |
C8H9Br2NO3S |
 |
Tetrabenazine Related Impurity 3 |
19328-35-9 |
C19H27NO3 |
 |
Pitavastatin Impurity 8 |
1044518-75-3 |
C13H22O5 |
 |
N-(2-butyl-3-(4-(3-(dibutylamino)propoxy)-benzoyl)benzofuran-5-yl)-N-(methylsulfonyl)methanesulfonamide |
141626-57-5 |
C32H46N2O7S2 |
 |
Ziprasidone QT |
884305-07-1 |
C21H19ClN4O2S |
|
|
Olaparib Impurity B |
|
|
 |
Posaconazole Impurity 17 |
171228-51-6 |
C37H42F2N8O4 |
 |
Procyanidin A3 |
86631-39-2 |
C75H62O30 |
|
|
AcarBose EP Impurity C |
|
|
 |
Metronidazole Impurity 10 |
56750-04-0 |
C7H11N3O3 |
 |
ethyl (4-((2-(methylcarbamoyl)pyridin-4-yl)oxy)phenyl)carbamate |
|
C16H17N3O4 |
 |
Paroxetine Impurity 5 |
100332-20-5 |
C13H18FNO |
![(8S,9R,10S,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one](/CAS/20180529/GIF/246038-13-1.gif) |
(8S,9R,10S,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one |
246038-13-1 |
C21H28O2 |
 |
(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl) methanol |
2169271-28-5 |
C16H13FN2O3S |
 |
Cefprozil EP Impurity G |
|
C18H19N3O5S |
|
|
Olaparib Impurity K |
|
|
 |
Ozagrel |
78712-80-8 |
C15H16N2O2 |
|
|
Ozagrel |
78712-80-8 |
C15H16N2O2 |
 |
Oseltamivir EP Impurity E HCl |
208720-78-9 |
C15H27ClN2O4 |
 |
Carbocisteine Impurity 4 |
118573-75-4 |
C5H7NO4S |
 |
Regadenoson Impurity 3 |
1423073-21-5 |
C15H17N7O6 |
|
|
Axitinib Impurity 20 |
|
|
 |
Descladinose 6-N-Desmethyl Azithromycin |
111247-94-0 |
C29H56N2O9 |
 |
Benazepril EP Impurity D |
112110-48-2 |
C24H28N2O5 |
 |
2-(tert-butylamino)-1-(4-ethoxy-3-(hydroxymethyl)phenyl)ethanol |
2387728-91-6 |
C15H25NO3 |
 |
Mizolastine Impurity 8 |
935860-12-1 |
C25H27FN6O |
 |
Apixaban Impurity TTQ |
2413365-22-5 |
C20H23N3O3 |
 |
Imidazol-1-yl-acetic acid |
22884-10-2 |
C5H6N2O2 |
 |
MBM-17S |
2083621-91-2 |
C32H34N6O6 |
 |
Brivaracetam Impurity 3 |
2432911-32-3 |
C15H27N3O3 |
 |
Thailanstatin A |
1426953-21-0 |
C28H41NO9 |
 |
2-Thiazolamine, 4-(4,5-dichloro-2-thienyl)- |
959042-70-7 |
C7H4Cl2N2S2 |
![2H-Cyclopenta[b]furan-2-one, hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]-1-buten-1-yl]-, (3aR,4R,5R,6aS)-](/CAS/20210111/GIF/1415385-39-5.gif) |
2H-Cyclopenta[b]furan-2-one, hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]-1-buten-1-yl]-, (3aR,4R,5R,6aS)- |
1415385-39-5 |
C18H19F3O5 |
 |
1H-Imidazole-1-propanol, β-chloro-2-methyl-5-nitro- |
1826157-12-3 |
C7H10ClN3O3 |
 |
Ergoline-8-methanol, 10-methoxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8α)- |
58001-19-7 |
C24H26BrN3O3 |
|
|
Peramivir Dehydration Deacetylation Impurity |
|
|
|
|
Piperacillin Impurity S(EP) |
|
|
 |
Curcumenol |
19431-84-6 |
C15H22O2 |
 |
Cephalonium lactone |
10590-10-0 |
C14H12N2O4S2 |
 |
Sildenafil Chlorosulfonyl |
139756-22-2 |
C17H19ClN4O4S |
 |
23,27-Epoxy-1H,3H-pyrrolo2,1-c1,4oxaazacyclohentriacontine-1,5,11,28,29(4H,6H)-pentone, 9,10,12,13,14,21,22,23,24,25,26,27,31,32,33,33a-hexadecahydro-9,27-dihydroxy-3-(1R)-2-(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl-1-methylethyl-10,21-dimethoxy-6,8,12,14, |
156223-31-3 |
C50H77NO13 |
 |
Erythromycin, 14-hydroxy-6-O-methyl- |
110671-78-8 |
C38H69NO14 |
 |
N-alpha-Benzoyl-4'-nitro-DL-argininanilid-hydrochlorid |
911-77-3 |
C19H23ClN6O4 |
|
|
Complete set of amoxicillin impurities |
|
|
 |
Chitotriose 3HCl |
41708-93-4 |
C18H35N3O13 |
|
|
OPIACE reference substance |
|
|
|
|
OPIACE reference substance |
|
|
 |
amphotericin A |
1405-32-9 |
C47H75NO17 |
 |
spantide II |
129176-97-2 |
C86H104Cl2N18O13 |
![Phenol, 4,4′-sulfonylbis-, Polymer mit 1,1′-Oxibis[2-chlorethan], EO 2-12 mol (75 % EO 2-6 mol)](/CAS/20240320/GIF/191680-83-8.gif) |
Phenol, 4,4′-sulfonylbis-, Polymer mit 1,1′-Oxibis[2-chlorethan], EO 2-12 mol (75 % EO 2-6 mol) |
191680-83-8 |
(C12H10O4S.C4H8Cl2O)x |
![(6R,7R)-7-Amino-3-[(5-methyl-2H-tetrazol-2-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid](/CAS/GIF/82549-51-7.gif) |
(6R,7R)-7-Amino-3-[(5-methyl-2H-tetrazol-2-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
82549-51-7 |
C10H12N6O3S |
 |
Boceprevir InterMediates |
565456-77-1 |
C9H16ClNO2 |
 |
Aids004768 |
145986-07-8 |
C8H10N2O4S |
 |
Dimethyl 4-(2-Chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate |
43067-01-2 |
C17H18ClNO4 |
![ethyl 1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate](/CAS2/GIF/536759-91-8.gif) |
ethyl 1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate |
536759-91-8 |
C22H20N4O6 |
 |
Pregna-4,14-diene-3,20-dione |
24377-08-0 |
C21H28O2 |
 |
cis-Terbinafine Hydrochloride |
176168-78-8 |
C21H25N.ClH |
 |
Clindamycin B |
18323-43-8 |
C17H31ClN2O5S |