Structure |
Chemical Name |
CAS |
MF |
![Mixture of Lamivudine Impurity Ⅳ and Impurity Ⅴ](/) |
Mixture of Lamivudine Impurity Ⅳ and Impurity Ⅴ |
|
|
![2-Ethoxybenzimidohydrazide](/CAS/20200119/GIF/889943-46-8.gif) |
2-Ethoxybenzimidohydrazide |
889943-46-8 |
C9H13N3O |
![(E)-2-(6-(methoxycarbonyl)-2-oxoindolin-3-ylidene)-2-phenylacetic acid](/CAS/20180703/GIF/CB33116217.gif) |
(E)-2-(6-(methoxycarbonyl)-2-oxoindolin-3-ylidene)-2-phenylacetic acid |
|
C18H13NO5 |
![2-(3-メチル-5-オキソ-1-フェニル-4,5-ジヒドロ-1H-ピラゾール-4-イル)プロパン-2-スルホン酸](/CAS/20150408/GIF/1323485-71-7.gif) |
2-(3-メチル-5-オキソ-1-フェニル-4,5-ジヒドロ-1H-ピラゾール-4-イル)プロパン-2-スルホン酸 |
1323485-71-7 |
C13H16N2O4S |
![Ondansetron Impurity B](/) |
Ondansetron Impurity B |
|
|
![LeflunoMide EP IMpurity F](/CAS/20210111/GIF/1403564-06-6.gif) |
LeflunoMide EP IMpurity F |
1403564-06-6 |
C12H9F3N2O2 |
![8-Epi-cyanocobalamin](/CAS/20210111/GIF/41325-63-7.gif) |
8-Epi-cyanocobalamin |
41325-63-7 |
C63H88CoN14O14P |
![Lamivudine Impurity 2](/CAS/20210111/GIF/200396-21-0.gif) |
Lamivudine Impurity 2 |
200396-21-0 |
C18H27N3O4S |
![Lamivudine Impurity 1](/CAS/20180906/GIF/1235712-40-9.gif) |
Lamivudine Impurity 1 |
1235712-40-9 |
C8H11N3O4S |
![Moxifloxacin Related Impurity 3](/) |
Moxifloxacin Related Impurity 3 |
|
|
![Bisoprolol EP Impurity Q](/CAS/20180629/GIF/1346604-00-9.gif) |
Bisoprolol EP Impurity Q |
1346604-00-9 |
C16H27NO4 |
![4'-((1,7'-dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl)biphenyl-2-carboxylic acid](/) |
4'-((1,7'-dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl)biphenyl-2-carboxylic acid |
|
|
![Trelagliptin IMpurity 33](/) |
Trelagliptin IMpurity 33 |
|
|
![Estradiol Impurity 1](/CAS/20200119/GIF/57780-81-1.gif) |
Estradiol Impurity 1 |
57780-81-1 |
C18H24O4 |
![Metoprolol IMpurity L](/CAS/20200119/GIF/CB25477434.gif) |
Metoprolol IMpurity L |
|
C15H25NO3 |
![Itraconazole iMpurity D](/) |
Itraconazole iMpurity D |
|
|
![Teneligliptin Impurity 14](/) |
Teneligliptin Impurity 14 |
|
|
![3-amino-2-chloroacrolein](/CAS/GIF/221615-73-2.gif) |
3-amino-2-chloroacrolein |
221615-73-2 |
C3H4ClNO |
![Ampicillin EP Impurity P](/) |
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](/CAS/20211123/GIF/1997296-62-4.gif) |
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](/CAS/20200611/GIF/688738-11-6.gif) |
para-Hydroxy L-Milnacipran |
688738-11-6 |
C15H22N2O2 |
![Varenicline Impurity 9](/) |
Varenicline Impurity 9 |
|
|
![Elagolix Sodium impurity3](/) |
Elagolix Sodium impurity3 |
|
|
![Epinephrine Impurity 4](/CAS/20200119/GIF/CB25519606.gif) |
Epinephrine Impurity 4 |
94217-53-5 |
C9H13NO3 |
![(trans)-4-((2-amino-3,6-dibromobenzyl)amino)cyclohexanol](/CAS/20200119/GIF/CB25519893.gif) |
(trans)-4-((2-amino-3,6-dibromobenzyl)amino)cyclohexanol |
|
C13H18Br2N2O |
![(R)-2-(3-(diisopropylamino)-1-phenylpropyl)phenol](/CAS/20200401/GIF/CB25559693.gif) |
(R)-2-(3-(diisopropylamino)-1-phenylpropyl)phenol |
|
C21H29NO |
![Dexamethasone EP impurities F](/) |
Dexamethasone EP impurities F |
|
|
![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](/) |
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)](/) |
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+](/) |
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](/CAS/20200611/GIF/1956435-91-8.gif) |
(R)-Ethyl 3-(bromomethyl)hexanoate |
1956435-91-8 |
C9H17BrO2 |
![Flucloxacillin Sodium EP Impurity B](/) |
Flucloxacillin Sodium EP Impurity B |
|
|
![4-PYRIDIN-4-YL-BUTYRIC ACID](/StructureFile/ChemBookStructure3/GIF/CB3774058.gif) |
4-PYRIDIN-4-YL-BUTYRIC ACID |
102878-73-9 |
C9H11NO2 |
![1-Ethyl-2-[[(2-methoxy-5-sulphamoyl](/) |
1-Ethyl-2-[[(2-methoxy-5-sulphamoyl |
|
|
![2-(4-Bromo-3-formylphenoxy)-benzonitrile](/CAS/20210111/GIF/1160182-46-6.gif) |
2-(4-Bromo-3-formylphenoxy)-benzonitrile |
1160182-46-6 |
C14H8BrNO2 |
![Carbetocin S-Oxide I](/) |
Carbetocin S-Oxide I |
|
|
![Dolutegravir Impurity 15](/) |
Dolutegravir Impurity 15 |
|
|
![PeraMpanel](/CAS/20210111/GIF/380919-67-5.gif) |
PeraMpanel |
380919-67-5 |
C23H15N3O2 |
![Empagliflozin Impurity 86](/) |
Empagliflozin Impurity 86 |
|
|
![Olopatadine Impurity 11 HBr](/CAS/20211123/GIF/4174-84-9.gif) |
Olopatadine Impurity 11 HBr |
4174-84-9 |
C21H24Br2NP |
![Iohexol Impurity P](/) |
Iohexol Impurity P |
|
|
![Sulbactam Impurity 2](/CAS/20210111/GIF/111790-24-0.gif) |
Sulbactam Impurity 2 |
111790-24-0 |
C8H13NO6S |
![Vortioxetine Impurity 8 HCl](/CAS/20211123/GIF/2137722-14-4.gif) |
Vortioxetine Impurity 8 HCl |
2137722-14-4 |
C18H23ClN2S |
![Relugolix Impurity 1](/) |
Relugolix Impurity 1 |
|
|
![3-アミノ-4-ピラゾールカルボニトリル](/CAS/GIF/16617-46-2.gif) |
3-アミノ-4-ピラゾールカルボニトリル |
16617-46-2 |
C4H4N4 |
![BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)-](/CAS/GIF/1391052-24-6.gif) |
BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- |
1391052-24-6 |
C20H20Cl2N2O3 |
![1-(4-アセチルフェニル)-2-メチル-1-プロパノン](/CAS/GIF/103931-20-0.gif) |
1-(4-アセチルフェニル)-2-メチル-1-プロパノン |
103931-20-0 |
C12H14O2 |
![ButanaMide, 4-hydroxy-N-(1-Methylethyl)-](/CAS/GIF/42042-66-0.gif) |
ButanaMide, 4-hydroxy-N-(1-Methylethyl)- |
42042-66-0 |
C7H15NO2 |
![5H-chroMeno[2,3-b]pyridin-7-ylacetic acid](/CAS/GIF/52549-07-2.gif) |
5H-chroMeno[2,3-b]pyridin-7-ylacetic acid |
52549-07-2 |
C14H11NO3 |
![IMp. B (EP): (2RS,4S)-2-[[[[3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazol-4-yl]carbonyl]aMino]Methyl]-5,5-diMethyl- thiazolidine-4-carboxylic Acid (Penilloic Acids of Flucloxacillin)](/) |
IMp. B (EP): (2RS,4S)-2-[[[[3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazol-4-yl]carbonyl]aMino]Methyl]-5,5-diMethyl- thiazolidine-4-carboxylic Acid (Penilloic Acids of Flucloxacillin) |
|
|
![Oseltamivir Diastereomer III HCl](/CAS/20210111/GIF/2413185-95-0.gif) |
Oseltamivir Diastereomer III HCl |
2413185-95-0 |
C16H28N2O4 |
![Rocuronium bromide impurity (3,16,17-triol)](/CAS/20181212/GIF/CB38058138.gif) |
Rocuronium bromide impurity (3,16,17-triol) |
|
C23H39NO4 |
![4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid](/CAS/20181212/GIF/CB38058143.gif) |
4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid |
|
C17H13ClN2O4 |
![Ornidazole Impurity 26](/) |
Ornidazole Impurity 26 |
|
|
![Pitavastatin Impurity 73](/) |
Pitavastatin Impurity 73 |
|
|
![Furosemide Impurity 24](/) |
Furosemide Impurity 24 |
|
|
![Brivaracetam Impurity 34](/) |
Brivaracetam Impurity 34 |
|
|
![1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-(((3-(hydroxymethyl)pyridin-2-yl)(methyl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride](/) |
1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-(((3-(hydroxymethyl)pyridin-2-yl)(methyl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride |
|
|
![1H-1,2,4-Triazole-1-propanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-](/CAS/20211123/GIF/1222655-38-0.gif) |
1H-1,2,4-Triazole-1-propanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)- |
1222655-38-0 |
C14H14F2N6O |
![IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride](/CAS/20211123/GIF/95062-18-3.gif) |
IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride |
95062-18-3 |
C35H35ClF2N2 |
![IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid](/) |
IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid |
|
|
![1-ニトロ-3,7-ジメチルアダマンタン](/CAS/20150408/GIF/6588-68-7.gif) |
1-ニトロ-3,7-ジメチルアダマンタン |
6588-68-7 |
C12H19NO2 |
![6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir](/CAS/GIF/649761-24-0.gif) |
6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir |
649761-24-0 |
C27H31N5O2Si |
![Desisobutyl-n-butyl BortezoMib](/CAS/GIF/1104011-35-9.gif) |
Desisobutyl-n-butyl BortezoMib |
1104011-35-9 |
C19H25BN4O4 |
![2-aMino-4-Methoxy-5-(3-Morpholinopropoxy)benzaMide](/CAS/20150408/GIF/246512-44-7.gif) |
2-aMino-4-Methoxy-5-(3-Morpholinopropoxy)benzaMide |
246512-44-7 |
C15H23N3O4 |
![N-(4,6-dichloro-2-(propylthio)pyriMidin-5-yl)forMaMide](/CAS/20150408/GIF/1402150-28-0.gif) |
N-(4,6-dichloro-2-(propylthio)pyriMidin-5-yl)forMaMide |
1402150-28-0 |
C8H9Cl2N3OS |
![Ebastine IMpurity G](/CAS/20200611/GIF/1429071-65-7.gif) |
Ebastine IMpurity G |
1429071-65-7 |
C32H39NO3 |
![((R)-3-Methyl-1-((R)-3-phenyl-2-(pyrazine-2-carboxaMido)propanaMido)butyl)boronic acid](/CAS/GIF/1132709-15-9.gif) |
((R)-3-Methyl-1-((R)-3-phenyl-2-(pyrazine-2-carboxaMido)propanaMido)butyl)boronic acid |
1132709-15-9 |
C19H25BN4O4 |
![N-[(1S)-2-アミノ-2-オキソ-1-(フェニルメチル)エチル]-2-ピラジンカルボキサミド](/CAS/GIF/289472-80-6.gif) |
N-[(1S)-2-アミノ-2-オキソ-1-(フェニルメチル)エチル]-2-ピラジンカルボキサミド |
289472-80-6 |
C14H14N4O2 |
![(3aS,4R,6S,6aR)-6-AMinotetrahydro-2,2-diMethyl-4H-cyclopenta-1,3-dioxol-4-ol](/CAS/20150408/GIF/592533-90-9.gif) |
(3aS,4R,6S,6aR)-6-AMinotetrahydro-2,2-diMethyl-4H-cyclopenta-1,3-dioxol-4-ol |
592533-90-9 |
C8H15NO3 |
![(1R,2R,3S,5R)-3-(7-((1S,2R)-2-(3,4-difluorophenyl)cyclopropylaMino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol](/CAS/20150408/GIF/CB62664138.gif) |
(1R,2R,3S,5R)-3-(7-((1S,2R)-2-(3,4-difluorophenyl)cyclopropylaMino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol |
2096989-55-6 |
C23H28F2N6O4S |
![Rivaroxaban iMpurity](/CAS/20200515/GIF/1616563-62-2.gif) |
Rivaroxaban iMpurity |
1616563-62-2 |
C15H17N3O5 |
![cefoxitin iMpurity D](/) |
cefoxitin iMpurity D |
|
|
![3-Morpholinone, 4-(2,4-diaMinophenyl)-](/CAS/20150408/GIF/482308-13-4.gif) |
3-Morpholinone, 4-(2,4-diaMinophenyl)- |
482308-13-4 |
C10H13N3O2 |
![ボセンタン関連化合物B (4-(TERT-ブチル)-N-[6-ヒドロキシ-5-(2-メトキシフェノキシ)-(2,2'-ビピリミジン)-4-イル]ベンゼンスルホンアミド)](/CAS/20150408/GIF/174227-14-6.gif) |
ボセンタン関連化合物B (4-(TERT-ブチル)-N-[6-ヒドロキシ-5-(2-メトキシフェノキシ)-(2,2'-ビピリミジン)-4-イル]ベンゼンスルホンアミド) |
174227-14-6 |
C25H25N5O5S |
![BenzaMide, N-[1-(3,5-di-O-benzoyl-2-C-Methyl-β-D-arabinofuranosyl)-1,2-dihydro-2-oxo-4-pyriMidinyl]-](/CAS/20180808/GIF/863329-62-8.gif) |
BenzaMide, N-[1-(3,5-di-O-benzoyl-2-C-Methyl-β-D-arabinofuranosyl)-1,2-dihydro-2-oxo-4-pyriMidinyl]- |
863329-62-8 |
C31H27N3O8 |
![Fosfluconazole iMpurity](/) |
Fosfluconazole iMpurity |
|
|
![Tofacitinib Impurity H](/) |
Tofacitinib Impurity H |
|
|
![3',6'-Dehydroclindamycin](/CAS/20211123/GIF/1440605-51-5.gif) |
3',6'-Dehydroclindamycin |
1440605-51-5 |
C18H31ClN2O5S |
![Cefradine Impurity F](/) |
Cefradine Impurity F |
|
|
![Mirabegron Impurity](/CAS/20180808/GIF/1684452-83-2.gif) |
Mirabegron Impurity |
1684452-83-2 |
C26H28N6O3S2 |
![1-メチル-1H-インドール-6-オール](/CAS/20180703/GIF/130570-60-4.gif) |
1-メチル-1H-インドール-6-オール |
130570-60-4 |
C9H9NO |
![2-(2-ヒドロキシフェニル)-4-メチルチアゾール-5-カルボン酸エチル](/CAS/GIF/118485-48-6.gif) |
2-(2-ヒドロキシフェニル)-4-メチルチアゾール-5-カルボン酸エチル |
118485-48-6 |
C13H13NO3S |
![32-Carboxycyanocobalamin](/CAS/20211123/GIF/121483-62-3.gif) |
32-Carboxycyanocobalamin |
121483-62-3 |
C63H87CoN13O15P |
![Alvimopan Impurity 6](/) |
Alvimopan Impurity 6 |
|
|
![Sofosbuvir Impurity28](/) |
Sofosbuvir Impurity28 |
|
|
![Rivaroxaban Impurity 10](/) |
Rivaroxaban Impurity 10 |
|
|
![Ipragliflozin Impurity 1](/) |
Ipragliflozin Impurity 1 |
|
|
![(17α)-4-Bromo-17-hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile](/CAS/20211123/GIF/98149-13-4.gif) |
(17α)-4-Bromo-17-hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile |
98149-13-4 |
C20H24BrNO2 |
![316173-27-0](/CAS/20200611/GIF/316173-27-0.gif) |
316173-27-0 |
316173-27-0 |
C17H28N2O5 |
![Irbesartan impurity 7](/CAS/20200401/GIF/CB83127106.gif) |
Irbesartan impurity 7 |
|
C25H28N6O |
![Voriconazole Impurity 2](/) |
Voriconazole Impurity 2 |
|
|
![Safinamide Impurity 1](/) |
Safinamide Impurity 1 |
|
|
![Caspofungin impurit 2](/) |
Caspofungin impurit 2 |
|
|
![Lamivudine impurity 1](/) |
Lamivudine impurity 1 |
|
|
![Raltitrexed Impurity 1](/CAS/20180808/GIF/1378372-01-0.gif) |
Raltitrexed Impurity 1 |
1378372-01-0 |
C10H10N2O2 |