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?? ?? |
CAS |
MF |
![5-methoxy-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-1H-benzo[d]imidazole](/CAS/20180527/GIF/1422064-00-3.gif) |
5-methoxy-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-1H-benzo[d]imidazole |
1422064-00-3 |
C9H12ClNO2S |
 |
Metronidazole Impurity 9 |
87009-72-1 |
C13H13N3O4 |
 |
Ganciclovir EP impurity A |
1797982-93-4 |
C9H10ClN5O2 |
![8-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine](/CAS/20180531/GIF/381717-12-0.gif) |
8-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine |
381717-12-0 |
C15H14N2 |
![4-[2-(tert-butylamino)ethyl]-2-(hydroxymethyl)phenol](/CAS/20180531/GIF/1823256-56-9.gif) |
4-[2-(tert-butylamino)ethyl]-2-(hydroxymethyl)phenol |
1823256-56-9 |
C13H21NO2 |
![3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-9-hydroxy-2-methylpyrido[1,2-a]pyrimidin-4-one](/CAS/20180601/GIF/766485-15-8.gif) |
3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-9-hydroxy-2-methylpyrido[1,2-a]pyrimidin-4-one |
766485-15-8 |
C23H23FN4O3 |
 |
(E)-methyl 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate |
956932-46-0 |
C14H14N2O2 |
|
|
(E)-methyl 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate |
956932-46-0 |
C14H14N2O2 |
 |
2-(3-methylbutanoyl)benzoic acid |
152567-80-1 |
C12H14O3 |
 |
Eltrombopag Dimer Impurity |
|
|
 |
ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5- carboxylate |
2073891-59-3 |
C15H13NO5S |
 |
Amlodipine Impurity 26 |
107812-86-2 |
C18H19Cl2NO4 |
 |
Terbutaline EP Impurity B Hemisulphate |
153657-83-1 |
C13H21NO7S |
 |
Peramivir |
383910-22-3 |
C18H30N2O5 |
 |
Deferasirox Impurity 8 |
201530-78-1 |
C21H15N3O4 |
 |
Carbidopa Impurity |
1176784-51-2 |
C9H8N2O2 |
 |
Simvastatin Impurity 39 |
79902-42-4 |
C23H34O5 |
|
|
Sugammadex sodium Decomposition process Impurity 2 |
|
|
 |
Carbocisteine Impurity 5 |
118492-49-2 |
C5H7NO4S |
 |
Lifitegrast Impurity 3 |
2295862-29-0 |
C30H26Cl2N2O7S |
 |
Iloperidone Impurity 31 |
116218-80-5 |
C12H14O3 |
 |
Deferasirox Impurity 6 |
2254105-61-6 |
C21H15N3O4 |
 |
Macitentan Impurity 23 |
2365406-86-4 |
C12H11BrClN3O |
|
|
Paroxetine Impurity 17（Paroxetine HCl Anhydrous EP Impurity J） |
|
|
 |
Zolpidem Impurity 35 |
1186313-33-6 |
C31H28N4 |
![(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'- biphenyl]-3-yl)-1-methylpiperidine hydrochloride](/CAS/20200119/GIF/CB35441733.gif) |
(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'- biphenyl]-3-yl)-1-methylpiperidine hydrochloride |
|
C26H27ClFNO3 |
 |
Lacosamide impurity 8/Lacosamide EP Impurity H/(S)-2-acetamido-N-((S)-1-(benzylamino)-3-methoxy-1-oxopropan-2-yl)-3-methoxypropanamide |
1375090-19-9 |
C17H25N3O5 |
![Dapoxetine impurity 11/(S)-N-Didemethyl Dapoxetine HCl/(S)-α-[2-(1-Naphthalenyloxy)ethyl]benzenemethanamine Hydrochloride](/CAS/20210111/GIF/2095189-99-2.gif) |
Dapoxetine impurity 11/(S)-N-Didemethyl Dapoxetine HCl/(S)-α-[2-(1-Naphthalenyloxy)ethyl]benzenemethanamine Hydrochloride |
2095189-99-2 |
C19H20ClNO |
 |
Lifitegrast Impurity 14 |
2295862-24-5 |
C31H28Cl2N2O7S |
|
|
(S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl)
thio)ethyl)amino)-3-methyl-4-oxobutanoic
acid |
|
|
 |
Aprepitant EP Impurity C |
2348441-63-2 |
C29H25F7N4O3 |
 |
Ergoline-8-methanol, 10-methoxy-1-methyl-, 5-bromo-3-pyridinecarboxylate (ester), (8β)- (9CI) |
192504-81-7 |
C23H24BrN3O3 |
|
|
Ampicillin Glycolylurea Analogue |
|
|
 |
??????????? |
3986-89-8 |
C22H32O2 |
![4-Amino-6-ethoxy-5-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]azo]-α-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]hydrazono]-2-pyrimidineacetonitrile](/CAS/20210305/GIF/618458-79-0.gif) |
4-Amino-6-ethoxy-5-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]azo]-α-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]hydrazono]-2-pyrimidineacetonitrile |
618458-79-0 |
C30H30N12O3 |
 |
2,4(1H,3H)-Pyrimidinedione, 6-(3-aminopropoxy)-1,3-dimethyl- |
2287518-97-0 |
C9H15N3O3 |
![β-Alanine, N-[[2-[[[4-[[[(2-ethylbutoxy)carbonyl]amino]iminomethyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-, methyl ester](/CAS/20210305/GIF/2096992-10-6.gif) |
β-Alanine, N-[[2-[[[4-[[[(2-ethylbutoxy)carbonyl]amino]iminomethyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-, methyl ester |
2096992-10-6 |
C33H39N7O5 |
 |
1-????-3,5-??????? |
19982-07-1 |
C14H23NO |
![[6R-[6alpha,7beta(Z)]]-3-(acetoxymethyl)-7-[[2-(formylamino)thiazol-4-yl](methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid](/CAS/GIF/66403-32-5.gif) |
[6R-[6alpha,7beta(Z)]]-3-(acetoxymethyl)-7-[[2-(formylamino)thiazol-4-yl](methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
66403-32-5 |
C17H17N5O8S2 |
 |
2,2-?????????? |
5340-48-7 |
C11H21N |
 |
Tachysterol 3 |
17592-07-3 |
C27H44O |
![Cyclopenta[c]pyran-4-carboxylic acid, 1-(β-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-6-hydroxy-7-methyl-, methyl ester, (1S,4aS,6S,7S,7aS)-](/CAS/20211123/GIF/79172-04-6.gif) |
Cyclopenta[c]pyran-4-carboxylic acid, 1-(β-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-6-hydroxy-7-methyl-, methyl ester, (1S,4aS,6S,7S,7aS)- |
79172-04-6 |
C17H26O10 |
|
|
Ritonavir EP Impurity EFG |
|
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![1,1[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol_x000b_(Mixture of diastereomers)](/CAS/GIF/154784-36-8.gif) |
1,1[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol_x000b_(Mixture of diastereomers) |
154784-36-8 |
C27H41NO6 |
 |
1,4-?????-2,6-???-4-(3-?????)-3,5-?????????3-(2-?????)5-?????? |
75130-24-4 |
C19H19N3O6 |
 |
O-????????? |
62572-94-5 |
C14H23NO3 |
 |
3-????????,N-3-????-(9CI) |
5433-24-9 |
C10H9N3O2S |
 |
SG 103 |
34104-46-6 |
C14H13N3O3 |
 |
????I |
40980-51-6 |
C26H44O10 |
 |
2-(3,7-Dimethyl-2,6-octadienyl)-5-pentyl-1,3-benzenediol |
2808-33-5 |
|
 |
3-(2-?????)-1,2-????? |
34646-56-5 |
C13H14O3 |
 |
6-Des(???????)-6-???????? |
54093-92-4 |
C20H30ClN7O2 |
 |
8-????-6-????????????? |
1029364-77-9 |
C21H24FN3O4 |
 |
3-????????? |
73319-13-8 |
C32H55BrN2O3 |
 |
??????B2-??? |
54887-31-9 |
C17H32ClN2O8PS |
 |
（2E，6Z，8E，10E）-N-(2-hydroxy-2-methylpropyl)dodeca-2,6,8,10-tetraenamide |
83883-10-7 |
C16H25NO2 |
 |
Des(?????????)????????? |
1010809-61-6 |
C29H34N4O5S |
 |
Torasemide Impurity 3 |
106944-63-2 |
C16H20N4O3S |
 |
(10E)-10,11-?????-11-???-6-O-????????? |
144604-03-5 |
C38H67NO12 |
![(3aR,4R,7S,7aS)-2-(((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)Methyl)cyclohexyl)Methyl)hexahydro-1H-4,7-Methanoisoindole-1,3(2H)-dione](/CAS/20130318/GIF/CB42599669.gif) |
(3aR,4R,7S,7aS)-2-(((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)Methyl)cyclohexyl)Methyl)hexahydro-1H-4,7-Methanoisoindole-1,3(2H)-dione |
1318074-22-4 |
C28H36N4O2S |
 |
Olanzapine Impurity C |
719300-59-1 |
C18H22Cl2N4S |
 |
(+/-)-1”-??-????? |
145513-33-3 |
C19H32N2O5 |
|
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cefotaxiMe IMpurity A |
|
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Ribavirin IMp. A (EP) |
|
|
 |
TopiraMateN-????? |
97240-80-7 |
C13H23NO8S |
 |
Clopidogrel |
1319197-71-1 |
C16H16ClNO3S |
 |
?????A |
142796-21-2 |
C25H22O10 |
 |
Febuxostat???6 |
1271738-74-9 |
C18H22N2O4S |
 |
??????????6 |
383365-04-6 |
C21H29N6O5P |
 |
????????????????(M1) |
1242137-15-0 |
C20H13F4N3O3S |
 |
Galacto Miglitol |
132310-34-0 |
C8H17NO5 |
 |
2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid |
407582-48-3 |
C12H8N2O3S |
 |
2,2-???????? |
52061-75-3 |
C11H22O2 |
 |
(Z)-N-((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methylene)methanamine oxide |
1883595-39-8 |
C17H14FN3O3S |
|
|
Dapoxetine Impurity 14 |
|
|
 |
Levocetirizine amide impurity HCl |
909779-33-5 |
C21H26ClN3O2 |
|
|
Cefditoren Pivoxil Oxide impurity |
|
|
![1-(2,6-difluorobenzyl)-1H-[1,2,3]triazole-4-carboxylic acid ethyl ester](/CAS/20200331/GIF/869501-51-9.gif) |
1-(2,6-difluorobenzyl)-1H-[1,2,3]triazole-4-carboxylic acid ethyl ester |
869501-51-9 |
C12H11F2N3O2 |
 |
ROBMDUUOTVWJEL-UHFFFAOYSA-N |
1797117-23-7 |
C19H24BrNO3 |
![(3S,4S,6S,9S)-13-[2-(1-Hydroperoxy-1-methylethyl)-4-thiazolyl]-4-hydroxy-12-methyl-9-(1-methylethyl)-8,11-dioxo-3,6-bis(phenylmethyl)-2,7,10,12-tetraazatridecanoic Acid 5-thiazolylmethyl Ester](/CAS/20180703/GIF/2034136-66-6.gif) |
(3S,4S,6S,9S)-13-[2-(1-Hydroperoxy-1-methylethyl)-4-thiazolyl]-4-hydroxy-12-methyl-9-(1-methylethyl)-8,11-dioxo-3,6-bis(phenylmethyl)-2,7,10,12-tetraazatridecanoic Acid 5-thiazolylmethyl Ester |
2034136-66-6 |
C37H48N6O7S2 |
 |
(S,E)-N-(1-((3-methylbut-1-en-1-yl)amino)-1-oxo-3-phenylpropan-2-yl) pyrazine-2-carboxamide |
862895-00-9 |
C19H22N4O2 |
 |
4-((3-chloro-4-methoxybenzyl)amino)-2-(methylthio)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide |
1364671-62-4 |
C19H19ClN6O2S |
 |
Dapoxetine impurity |
2242008-37-1 |
C30H31NO2 |
 |
Zoledronic acid |
1334703-07-9 |
C11H17ClN2O4 |
 |
Apixaban Impurity 23 |
1801881-17-3 |
C24H23N5O3 |
 |
Teriflunomide Impurity 3 |
62004-05-1 |
C12H9F3N2O2 |
 |
Parecoxib ImpurityO |
198470-91-6 |
C20H20N2O4S |
 |
tert-butyl 2-((4R,6R)-6-(2-((3R,5R)-7-(2-(4-fluorophenyl)-5- isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5- dihydroxyheptanamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate |
1371615-55-2 |
C47H60FN3O8 |
 |
N-????-N-??-4-?????? |
61445-55-4 |
C5H10N2O3 |
 |
Atorvastatin Impurity 35 |
|
C66H68CaF2N4O10 |
|
|
Lurasidone Impurity 44 |
|
|
|
|
Cefathiamidine Impurity 3 |
|
|
 |
Trabectedin Intermediate A23 |
366020-68-0 |
C31H34N4O8S |
|
|
Milrinone Impurity |
1443528-67-3 |
|
|
|
Amoxicillin EP Impurity O |
|
|
 |
???????C |
514222-44-7 |
C10H8N6 |
|
|
Peramivir Impurity 32 |
|
|
|
|
Sugammadex sodium Impurity 37 |
|
|
|
|
[18O3]-Chlorate |
|
|
 |
Empagliflozin impurity 28 (hydroperoxy impurity) |
2452301-14-1 |
C23H27ClO9 |