Structure |
Chemical Name |
CAS |
MF |
![Itropopa Impurity 17](/) |
Itropopa Impurity 17 |
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![rac 4-Desmethoxy-4-nitro Omeprazole](/CAS/GIF/317807-10-6.gif) |
rac 4-Desmethoxy-4-nitro Omeprazole |
317807-10-6 |
C16H16N4O4S |
![DesMethyl Erlotinib Carboxylate Acid](/CAS/GIF/882172-60-3.gif) |
DesMethyl Erlotinib Carboxylate Acid |
882172-60-3 |
C21H19N3O5 |
![Acyclovir IMpurity J](/) |
Acyclovir IMpurity J |
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![Acyclovir Impurity O](/) |
Acyclovir Impurity O |
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![Eltrombopag Impurity 3](/) |
Eltrombopag Impurity 3 |
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![Azacitidine Impurity EJ](/) |
Azacitidine Impurity EJ |
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![5-METHOXY-2-(METHYLTHIO)BENZIMIDAZOLE](/CAS/GIF/91168-31-9.gif) |
5-METHOXY-2-(METHYLTHIO)BENZIMIDAZOLE |
91168-31-9 |
C9H10N2OS |
![2-Pyrazinecarboxylic acid, 6-methyl-, 4-oxide](/CAS/20210305/GIF/51037-31-1.gif) |
2-Pyrazinecarboxylic acid, 6-methyl-, 4-oxide |
51037-31-1 |
C6H6N2O3 |
![2-[[(5-hydroxy-1H-benziMidazol-2-yl)sulfinyl]Methyl]-3,5-diMethyl-1-4(1H)-pyridone](/CAS/20150408/GIF/CB42645155.gif) |
2-[[(5-hydroxy-1H-benziMidazol-2-yl)sulfinyl]Methyl]-3,5-diMethyl-1-4(1H)-pyridone |
|
C15H15N3O3S |
![EsoMeprazole iMpurity](/CAS/20211123/GIF/1424857-86-2.gif) |
EsoMeprazole iMpurity |
1424857-86-2 |
C11H15NO3 |
![Eltrombopag Impurity 4](/) |
Eltrombopag Impurity 4 |
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![Atazanavir Impurity 6](/CAS/20200611/GIF/1006868-81-0.gif) |
Atazanavir Impurity 6 |
1006868-81-0 |
C32H42N4O5 |
![Edoxaban Impurity 20 (1R,2R,4S)](/CAS/20211123/GIF/1928729-31-0.gif) |
Edoxaban Impurity 20 (1R,2R,4S) |
1928729-31-0 |
C16H29N3O7 |
![Acyclovir Impurity 11](/) |
Acyclovir Impurity 11 |
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![Esomeprazole Impurity 43](/) |
Esomeprazole Impurity 43 |
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![Azacitidine Impurity 1](/) |
Azacitidine Impurity 1 |
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![4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid](/CAS/20200611/GIF/1097777-60-0.gif) |
4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid |
1097777-60-0 |
C13H9NO5 |
![Edoxaban impurity ABCDEFGHJKL](/) |
Edoxaban impurity ABCDEFGHJKL |
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![N-ForMyl-D-ribofuranosyl-3-guanylurea (α/β-Mixture)](/CAS/GIF/686299-20-7.gif) |
N-ForMyl-D-ribofuranosyl-3-guanylurea (α/β-Mixture) |
686299-20-7 |
C8H14N4O6 |
![(3S,8R,9S,12S)-3,12-Bis(1,1-diMethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylMethyl)-6-[[4-(2-pyridinyl)phenyl]Methyl]-,2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-DiMethyl Ester](/CAS/GIF/1292296-09-3.gif) |
(3S,8R,9S,12S)-3,12-Bis(1,1-diMethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylMethyl)-6-[[4-(2-pyridinyl)phenyl]Methyl]-,2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-DiMethyl Ester |
1292296-09-3 |
C38H52N6O7 |
![6-AMino-5-azacytidine](/CAS/20150408/GIF/105331-00-8.gif) |
6-AMino-5-azacytidine |
105331-00-8 |
C8H13N5O5 |
![Esomeprazole Impurity 26](/CAS/20210111/GIF/704910-88-3.gif) |
Esomeprazole Impurity 26 |
704910-88-3 |
C15H15N3OS |
![Acyclovir Impurity 1](/) |
Acyclovir Impurity 1 |
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![Esomeprazole Impurity](/) |
Esomeprazole Impurity |
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![Esomeprazole Impurity 27](/) |
Esomeprazole Impurity 27 |
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![Aciclovir EP Impurity N](/) |
Aciclovir EP Impurity N |
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![1-(diaminomethylidene)-3-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]urea](/CAS/GIF/2508-80-7.gif) |
1-(diaminomethylidene)-3-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]urea |
2508-80-7 |
C7H14N4O5 |
![Acyclovir Impurity Q](/) |
Acyclovir Impurity Q |
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![Eltrombopag Impurity 6](/) |
Eltrombopag Impurity 6 |
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![Esomeprazole Impurity 6](/) |
Esomeprazole Impurity 6 |
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![5-Methoxy-2-Hydroxy Benzimidazole](/CAS/GIF/208-75-3.gif) |
5-Methoxy-2-Hydroxy Benzimidazole |
208-75-3 |
C13H9N |
![2-Pyridinemethanol, 4-hydroxy-3,5-dimethyl- (9CI)](/CAS/GIF/727375-13-5.gif) |
2-Pyridinemethanol, 4-hydroxy-3,5-dimethyl- (9CI) |
727375-13-5 |
C8H11NO2 |
![135270-13-2](/CAS/20180808/GIF/135270-13-2.gif) |
135270-13-2 |
135270-13-2 |
C12H11F2N3O |
![Eltrombopag Impurity 5](/) |
Eltrombopag Impurity 5 |
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![Axitinib Impurity 27](/CAS/20210111/GIF/1639137-80-6.gif) |
Axitinib Impurity 27 |
1639137-80-6 |
C24H20N4O2S |
![(2R,3R,4R,5R)-2-(4-amino-2-oxo-1,3,5-triazin-1(2H)-yl)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-yl acetate](/CAS/20180703/GIF/CB73954790.gif) |
(2R,3R,4R,5R)-2-(4-amino-2-oxo-1,3,5-triazin-1(2H)-yl)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-yl acetate |
|
C10H14N4O6 |
![Azacitidine Impurity 31](/CAS/20211123/GIF/65024-85-3.gif) |
Azacitidine Impurity 31 |
65024-85-3 |
C11H16O8 |
![Efinaconazole Impurity 13](/CAS/20211123/GIF/2055038-61-2.gif) |
Efinaconazole Impurity 13 |
2055038-61-2 |
C18H22F2N4O |
![Acyclovir Impurity 12](/) |
Acyclovir Impurity 12 |
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|
![(E)-3'-(2-(1-(3,4-dimethylphenyl)](/) |
(E)-3'-(2-(1-(3,4-dimethylphenyl) |
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![sodium 5-methoxy-2-sulfinatobenzo[d]imidazol-1-id](/) |
sodium 5-methoxy-2-sulfinatobenzo[d]imidazol-1-id |
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![Eribulin Impurity 2](/) |
Eribulin Impurity 2 |
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![2-[(5-CARBOXY-4-METHOXY-3-METHYLPYRID-2-YL)-METHYLSULFO]-5-METHOXYBENZIMIDAZOLE](/CAS/GIF/120003-72-7.gif) |
2-[(5-CARBOXY-4-METHOXY-3-METHYLPYRID-2-YL)-METHYLSULFO]-5-METHOXYBENZIMIDAZOLE |
120003-72-7 |
C17H17N3O5S |
![5-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-2-pyridinyl)Methyl]thio]-1H-benziMidazole N-Oxide](/CAS/20150408/GIF/142885-92-5.gif) |
5-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-2-pyridinyl)Methyl]thio]-1H-benziMidazole N-Oxide |
142885-92-5 |
C17H19N3O3S |
![Iguratimod Impurity 5](/CAS/20180808/GIF/84594-95-6.gif) |
Iguratimod Impurity 5 |
84594-95-6 |
C13H11NO4 |
![Pyridine, 4-chloro-2-(chloromethyl)-3,5-dimethyl-, hydrochloride](/CAS/20180703/GIF/143016-68-6.gif) |
Pyridine, 4-chloro-2-(chloromethyl)-3,5-dimethyl-, hydrochloride |
143016-68-6 |
C8H10Cl3N |
![2-METHYLPYRAZINE 1,4-DIOXIDE](/CAS/GIF/32046-26-7.gif) |
2-METHYLPYRAZINE 1,4-DIOXIDE |
32046-26-7 |
C5H6N2O2 |
![Esomeprazole Impurity 28](/) |
Esomeprazole Impurity 28 |
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![Iguratimod](/CAS/20210111/GIF/123663-50-3.gif) |
Iguratimod |
123663-50-3 |
C18H16N2O6S |
![Idebenone Impurity 5](/CAS/20210111/GIF/88543-33-3.gif) |
Idebenone Impurity 5 |
88543-33-3 |
C18H28O5 |
![Esomeprazole Impurity 41](/) |
Esomeprazole Impurity 41 |
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![Esomeprazole Impurity 34](/) |
Esomeprazole Impurity 34 |
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![ACICLOVIR, Impurity J](/) |
ACICLOVIR, Impurity J |
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![Benzylpenicillin EP Impurity](/CAS/20211123/GIF/5985-13-7.gif) |
Benzylpenicillin EP Impurity |
5985-13-7 |
C16H19N2NaO5S |
![4,4,4-TRIFLUORO-1-(3-METHYLPHENYL)-1,3-BUTANEDIONE](/CAS/GIF/53764-99-1.gif) |
4,4,4-TRIFLUORO-1-(3-METHYLPHENYL)-1,3-BUTANEDIONE |
53764-99-1 |
C11H9F3O2 |
![DU 6856](/CAS/GIF/127254-11-9.gif) |
DU 6856 |
127254-11-9 |
C19H18ClF2N3O3 |
![(3S,5R,6E)-7-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-3,5-dihydroxy-6-heptenoic acid](/CAS2/GIF/254452-86-3.gif) |
(3S,5R,6E)-7-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-3,5-dihydroxy-6-heptenoic acid |
254452-86-3 |
C25H24FNO4 |
![(E)-4-Acetoxy Tamoxifen](/CAS/GIF/76117-70-9.gif) |
(E)-4-Acetoxy Tamoxifen |
76117-70-9 |
C28H31NO3 |
![O-Acetyl Losartan](/CAS2/GIF/1006062-27-6.gif) |
O-Acetyl Losartan |
1006062-27-6 |
C24H25ClN6O2 |
![(2-Chloro-5-iodophenyl)(4-ethoxyphenyl)methanone](/CAS2/GIF/1103738-26-6.gif) |
(2-Chloro-5-iodophenyl)(4-ethoxyphenyl)methanone |
1103738-26-6 |
C15H12ClIO2 |
![3-Dechloro-4-chloro Lamotrigine](/CAS/GIF/38943-76-9.gif) |
3-Dechloro-4-chloro Lamotrigine |
38943-76-9 |
C9H7Cl2N5 |
![D-2’-Deoxyribofuranosyl-3-guanylurea
(α/β-Mixture)](/CAS/GIF/570410-72-9.gif) |
D-2’-Deoxyribofuranosyl-3-guanylurea
(α/β-Mixture)
|
570410-72-9 |
C7H14N4O4 |
![rac 5-Keto Fluvastatin](/CAS/20180906/GIF/1160169-39-0.gif) |
rac 5-Keto Fluvastatin |
1160169-39-0 |
C24H24FNO4 |
![9-Piperazino Ofloxacin](/CAS/GIF/197291-75-1.gif) |
9-Piperazino Ofloxacin |
197291-75-1 |
C18H20FN3O4 |
![Thyroxine-4-hydroxy-3,5-diiodophenyl Ether DISCONTINUED](/CAS/GIF/911661-90-0.gif) |
Thyroxine-4-hydroxy-3,5-diiodophenyl Ether DISCONTINUED |
911661-90-0 |
C21H13I6NO5 |
![(S)-Ethyl 2-((3S,5aS,9aS,10aS)-3-methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl)pentanoate ,95%](/CAS/GIF/129970-98-5.gif) |
(S)-Ethyl 2-((3S,5aS,9aS,10aS)-3-methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl)pentanoate ,95% |
129970-98-5 |
C19H30N2O4 |
![Exemestane Impurity A](/) |
Exemestane Impurity A |
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![(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester](/CAS/GIF/629652-44-4.gif) |
(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester |
629652-44-4 |
C22H19ClN2O5 |
![3-DesMorpholinyl-3-hydroxyethylaMino Gefitinib](/CAS/GIF/847949-56-8.gif) |
3-DesMorpholinyl-3-hydroxyethylaMino Gefitinib |
847949-56-8 |
C20H22ClFN4O3 |
![4-Deschloro-4-(2-furanylMethyl)aMino FuroseMide](/CAS/GIF/5046-19-5.gif) |
4-Deschloro-4-(2-furanylMethyl)aMino FuroseMide |
5046-19-5 |
C17H17N3O6S |
![Cephalexin Sulfoxide](/CAS/GIF/56193-21-6.gif) |
Cephalexin Sulfoxide |
56193-21-6 |
C16H17N3O5S |
![N-Butyl Nor ScopolaMine Hydrochloride](/CAS/20180808/GIF/22235-98-9.gif) |
N-Butyl Nor ScopolaMine Hydrochloride |
22235-98-9 |
C20H28ClNO4 |
![11β-Hydroxy Dienogest](/CAS/GIF/86153-39-1.gif) |
11β-Hydroxy Dienogest |
86153-39-1 |
C20H25NO3 |
![2H,5H-Pyrano[4,3-b]pyranyl Mupirocin SodiuM IMpurity](/CAS/GIF/116182-44-6.gif) |
2H,5H-Pyrano[4,3-b]pyranyl Mupirocin SodiuM IMpurity |
116182-44-6 |
C26H43NaO9 |
![3-Hydroxy CitalopraM](/CAS/GIF/411221-53-9.gif) |
3-Hydroxy CitalopraM |
411221-53-9 |
C20H21FN2O2 |
![5-(OxiranylMethoxy)-2,3,4,9-tetrahydrocarbazole](/CAS/GIF/58457-32-2.gif) |
5-(OxiranylMethoxy)-2,3,4,9-tetrahydrocarbazole |
58457-32-2 |
C15H17NO2 |
![6α-Methyl Hydrocortisone 21-HeMisuccinate](/CAS/GIF/119657-85-1.gif) |
6α-Methyl Hydrocortisone 21-HeMisuccinate |
119657-85-1 |
C26H36O8 |
![nicergoline impurity E](/) |
nicergoline impurity E |
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![Tacrolimus Impurity C](/) |
Tacrolimus Impurity C |
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![Levodopa impurity 5](/) |
Levodopa impurity 5 |
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![(R)-N-(5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxypyrrolidine-1-carboxamide](/CAS/20180629/GIF/1223404-68-9.gif) |
(R)-N-(5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxypyrrolidine-1-carboxamide |
1223404-68-9 |
C21H22F2N6O2 |
![Ivabradine Impurity 1 Hydrochloride](/CAS/20211123/GIF/85175-52-6.gif) |
Ivabradine Impurity 1 Hydrochloride |
85175-52-6 |
C16H25ClN2O3 |
![SofosBuvir Impurity 3](/) |
SofosBuvir Impurity 3 |
|
|
![Canagliflozin Impurity 10](/CAS/20200611/GIF/1672658-93-3.gif) |
Canagliflozin Impurity 10 |
1672658-93-3 |
C24H25FO6S |
![Canagliflozin Impurity F](/) |
Canagliflozin Impurity F |
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![Empagliflozin impurity E](/) |
Empagliflozin impurity E |
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![Eribulin Impurity 3](/) |
Eribulin Impurity 3 |
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![Erlotinib IMpurity A](/CAS/20180808/GIF/1058132-82-3.gif) |
Erlotinib IMpurity A |
1058132-82-3 |
C22H25N3O4 |
![O-[(Guanin-9-yl)Methyl] Acyclovir](/CAS/GIF/166762-90-9.gif) |
O-[(Guanin-9-yl)Methyl] Acyclovir |
166762-90-9 |
C14H16N10O4 |
![Dehydro Azelnidipine](/CAS/20180906/GIF/918659-10-6.gif) |
Dehydro Azelnidipine |
918659-10-6 |
C33H32N4O6 |
![Ilaprazole Impurity 1](/) |
Ilaprazole Impurity 1 |
|
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![Ilaprazole Impurity 2](/) |
Ilaprazole Impurity 2 |
|
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![Esomeprazole Impurity 24](/) |
Esomeprazole Impurity 24 |
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![Eltrombopag Impurity 7](/) |
Eltrombopag Impurity 7 |
|
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![Azacitidine Impurity 37](/CAS/20210111/GIF/206269-46-7.gif) |
Azacitidine Impurity 37 |
206269-46-7 |
C8H12N4O5 |
![Acetic acid, 2-[[(1S,2R,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]amino]-2-oxo-, ethyl ester](/CAS/20200611/GIF/480450-85-9.gif) |
Acetic acid, 2-[[(1S,2R,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]amino]-2-oxo-, ethyl ester |
480450-85-9 |
C21H31N5O5S |
![4(1H)-Pyridinone, 1-(6-methoxy-1H-benzimidazol-2-yl)-2,3,5-trimethyl-](/CAS/20210111/GIF/2512216-37-2.gif) |
4(1H)-Pyridinone, 1-(6-methoxy-1H-benzimidazol-2-yl)-2,3,5-trimethyl- |
2512216-37-2 |
C16H17N3O2 |
![6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxanine-8-carboxylic acid](/CAS/GIF/123040-79-9.gif) |
6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxanine-8-carboxylic acid |
123040-79-9 |
C10H8ClNO4 |
![](/) |
"mixture of 2-amino-9-[[2-(hydroxymethoxy) ethoxy]methyl]-1,9-dihydro-6H-purin-6-one and 2-amino-9-[[2-(hydroxyethoxy)methoxy]methyl]-1,9- dihydro-6H-purin-6-one," |
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