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Structure Chemical Name CAS MF
Apixaban Impurity 42 Apixaban Impurity 42 132577-23-2 C12H14N2O4
2-(7-methoxy-3,4-dihydronaphthalen-1-yl)ethan-1-amine 2-(7-methoxy-3,4-dihydronaphthalen-1-yl)ethan-1-amine 1353428-89-3 C13H17NO
Aripiprazole impurity 20 Aripiprazole impurity 20
Aripiprazole Impurity 47 Aripiprazole Impurity 47 2250242-47-6 C27H33Cl2N3O3
Afatinib impurity 45 Afatinib impurity 45 99281-87-5 C5H9NO2
Afatinib impurity 48 Afatinib impurity 48
Afatinib Impurity 57 Afatinib Impurity 57
Afatinib Impurity ODQ Afatinib Impurity ODQ
Afatinib Impurity QJJ Afatinib Impurity QJJ 2323570-72-3 C24H27ClFN5O4
(S)-tert-butyl (1-(3-(2-cyanobenzyl) (S)-tert-butyl (1-(3-(2-cyanobenzyl) 1618644-31-7 C23H29N5O4
Afatinib impurity 82 Afatinib impurity 82
1H-Pyrazolo[3,4-c]pyridine-3-carboxamide, 4,5,6,7-tetrahydro-1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo- 1H-Pyrazolo[3,4-c]pyridine-3-carboxamide, 4,5,6,7-tetrahydro-1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo- 1642569-42-3 C20H17N5O5
Benzonitrile, 2-[(3,4-dihydro-6-methoxy-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl)methyl]- Benzonitrile, 2-[(3,4-dihydro-6-methoxy-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl)methyl]- 2514763-78-9 C14H13N3O3
Anastrozole Impurity 41 Anastrozole Impurity 41
2-アミノ-5,6-ジクロロ-3,4-ジヒドロキナゾリン 2-アミノ-5,6-ジクロロ-3,4-ジヒドロキナゾリン 444904-63-6 C8H7Cl2N3
Anagrelide impurity 4 Anagrelide impurity 4 1092352-99-2 C10H6Cl3N3O
9-ethyl-8-iodo-6,6-diMethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile 9-ethyl-8-iodo-6,6-diMethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile 1256584-80-1 C21H17IN2O
アゴメラチン二量体尿素 アゴメラチン二量体尿素 185421-27-6 C27H28N2O3
Calcium bis[4-{[(1S,3R)-1-([1,1'-biphenyl]-4-ylmethyl)-3-methyl-4-oxo-4-(propan-2-yloxyl)butyl]amino}-4-oxobutanoate] Calcium bis[4-{[(1S,3R)-1-([1,1'-biphenyl]-4-ylmethyl)-3-methyl-4-oxo-4-(propan-2-yloxyl)butyl]amino}-4-oxobutanoate] C50H60CaN2O10
2,3‐デヒドロシリビンB 2,3‐デヒドロシリビンB 142796-24-5 C25H20O10
monocalciummono(4-(((2R,4R)-1-([1,1'-biphenyl]-4-yl)-5-ethoxy- 4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate) monocalciummono(4-(((2R,4R)-1-([1,1'-biphenyl]-4-yl)-5-ethoxy- 4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate) C24H28CaNO5
3-methyl-2-pentylphenol 3-methyl-2-pentylphenol 1823068-39-8 C12H18O
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(1E)-2-(4-methyl-5-thiazolyl)ethenyl]-8-oxo-7-[(2-phenylacetyl)amino]-, (4-methoxyphenyl)methyl ester, (6R,7R)- 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(1E)-2-(4-methyl-5-thiazolyl)ethenyl]-8-oxo-7-[(2-phenylacetyl)amino]-, (4-methoxyphenyl)methyl ester, (6R,7R)- 104146-11-4 C29H27N3O5S2
(2R-TRANS)-ジルチアゼム塩酸塩 (2R-TRANS)-ジルチアゼム塩酸塩 103532-27-0 C22H27ClN2O4S
2'-[(1H-テトラゾール-5-イル)ビフェニル-4-イル]メタノール 2'-[(1H-テトラゾール-5-イル)ビフェニル-4-イル]メタノール 160514-13-6 C14H12N4O
Alogliptin iMpurity Alogliptin iMpurity 60271-06-9 C7H10N2O3
(R)-2-((6-(3-((3-(2-cyanobenzyl)-1-Methyl-2,6-dioxo-1,2,3,6-tetrahydropyriMidin-4-yl)aMino)piperidin-1-yl)-3-Methyl-2,4-dioxo-3,4-dihydropyriMidin-1(2H)-yl)Methyl)benzonitrile (R)-2-((6-(3-((3-(2-cyanobenzyl)-1-Methyl-2,6-dioxo-1,2,3,6-tetrahydropyriMidin-4-yl)aMino)piperidin-1-yl)-3-Methyl-2,4-dioxo-3,4-dihydropyriMidin-1(2H)-yl)Methyl)benzonitrile 1268836-55-0 C31H30N8O4
AlMotriptan iMpurity AlMotriptan iMpurity
Anastrozole IMpurity (3-(1-Cyano-1-Methylethyl)-alfa,alfa-diMethyl-5-(1H-,1,2,4-triazole-1-ylMethyl)-benzeneacetic acid) Anastrozole IMpurity (3-(1-Cyano-1-Methylethyl)-alfa,alfa-diMethyl-5-(1H-,1,2,4-triazole-1-ylMethyl)-benzeneacetic acid) 1338800-82-0 C17H20N4O2
Aripiprazole iMpurity 4 Aripiprazole iMpurity 4 1424857-63-5 C36H42Cl2N4O4
(2R,4S)-4-([1,1'-Biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoic acid (2R,4S)-4-([1,1'-Biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoic acid 1639970-62-9 C22H23NO4
Alogliptin Impurity B Alogliptin Impurity B 865758-98-1 C17H19N5O2
Ofloxacin/Levofloxacin Impurity A Ofloxacin/Levofloxacin Impurity A
methyl(E)-4-(methylamino)but-2-enoate methyl(E)-4-(methylamino)but-2-enoate 915788-22-6 C6H11NO2
ethyl 4-dimethylamino-3-hydroxy-butanoate ethyl 4-dimethylamino-3-hydroxy-butanoate 90227-57-9 C8H17NO3
(E)-N-(2-(7-methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)ethyl)acetamide (E)-N-(2-(7-methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)ethyl)acetamide 178677-39-9 C15H19NO2
Aripiprazole Impurity 11 Aripiprazole Impurity 11
(R)-2-((3-methyl-6-(3-((1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)piperidin-1-yl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile (R)-2-((3-methyl-6-(3-((1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)piperidin-1-yl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile C23H25N7O4
Acarbose Impurity H Acarbose Impurity H
Anastrozole EP Impurity I Anastrozole EP Impurity I 120511-91-3 C15H17ClN2
Afatinib Impurity 74 Afatinib Impurity 74 1259015-90-1 C7H13NO2
Afatinib Impurity 78 Afatinib Impurity 78
Anastrozole Impurity I Anastrozole Impurity I
(R,R)-Palonosetron N-Oxide (R,R)-Palonosetron N-Oxide C19H24N2O2
7-PACE Impurity 2 7-PACE Impurity 2
N2-Methyl Alfuzosin Hydrochloride N2-Methyl Alfuzosin Hydrochloride 72104-34-8 C19H28ClN5O4
Anastrozole iMpurity A Anastrozole iMpurity A
Desloratadine IMpurity 3 Desloratadine IMpurity 3 1346600-61-0 C19H19ClN2
EMpagliflozin iMpurity 11 EMpagliflozin iMpurity 11
LCZ Impurity LCZ Impurity 753421-85-1 C20H25NO2
(3S,5R)-4-[5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl]-4-oxobutanoic acid (3S,5R)-4-[5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl]-4-oxobutanoic acid C22H23NO4
Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-4-[4-(propan-2-yloxy)-4-oxobutanamido]-2-methylbutanoate Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-4-[4-(propan-2-yloxy)-4-oxobutanamido]-2-methylbutanoate C27H35NO5
Formoterol EP Impurity E Formoterol EP Impurity E 1616967-26-0 C20H26N2O4
(Glu3)-Carbetocin (Impurity D) (Glu3)-Carbetocin (Impurity D)
アゼチジン-1-スルホンアミド アゼチジン-1-スルホンアミド 654073-32-2 C3H8N2O2S
N-DESMETHYLGALANTHAMINE N-DESMETHYLGALANTHAMINE 41303-74-6 C16H19NO3
Hydroxy Adapalene Hydroxy Adapalene 1346599-76-5 C28H28O4
Adefovir iMpurity Adefovir iMpurity 1875153-79-9 C15H24N5O6P
tert-butyl 4-cyclohexylpiperazine-1-carboxylate tert-butyl 4-cyclohexylpiperazine-1-carboxylate 1224935-95-8 C15H28N2O2
Avanafil iMpurity 1 Avanafil iMpurity 1 372117-54-9 C18H22ClN5O3
Avanafil Impurity 9 Avanafil Impurity 9
Afatinib Impurity 17 Afatinib Impurity 17 1870880-09-3 C20H18Cl2FN5O
Abiraterone Impurity 4 Abiraterone Impurity 4 2118-32-3 C23H34O2
4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-amine 4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-amine 570407-42-0 C17H23ClN4S2
T-IRR T-IRR
Avatrombopag Impurity 23 Avatrombopag Impurity 23
Avatrombopag Impurity 34 Avatrombopag Impurity 34
3-Chloro Avanafil 3-Chloro Avanafil
Δ3-7-ACT Δ3-7-ACT
(2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-aMino-2-Methylpentanoic acid hydrochloride (2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-aMino-2-Methylpentanoic acid hydrochloride 1038924-71-8 C18H22ClNO2
(2S,4S)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester,calcium salt(2:1) (2S,4S)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester,calcium salt(2:1)
ethyl(2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate ethyl(2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate C26H33NO5
phenyl (4-((6-carbamoyl-7-methoxyquinolin-4-yl)oxy)-2-chlorophenyl)carbamate phenyl (4-((6-carbamoyl-7-methoxyquinolin-4-yl)oxy)-2-chlorophenyl)carbamate 417722-95-3 C24H18ClN3O5
Lacosamide Impurity – K Lacosamide Impurity – K
(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1-[(1R,4S)-1,4,5-trimethylhexyl]-1H-Indene (1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1-[(1R,4S)-1,4,5-trimethylhexyl]-1H-Indene 2229745-37-1 C40H74O2Si2
Ofloxacin/Levofloxacin Impurity B Ofloxacin/Levofloxacin Impurity B
(2R,4S)-isopropyl5-([1,1'-biphenyl]-4-yl)-4-(2,5-dioxopyrrolidin-1- yl)-2-methylpentanoate (2R,4S)-isopropyl5-([1,1'-biphenyl]-4-yl)-4-(2,5-dioxopyrrolidin-1- yl)-2-methylpentanoate C25H29NO4
Amylmetacresol EP impurity A Amylmetacresol EP impurity A 876473-73-3 C12H18O
5-methyl-2-(2-methylbutyl)phenol 5-methyl-2-(2-methylbutyl)phenol C12H18O
7-ADCA Impuirty 1 7-ADCA Impuirty 1
7-PACE Impurity 1 7-PACE Impurity 1
(R)-Fluvastatin EP Impurity E (R)-Fluvastatin EP Impurity E
5-(2-cyclopropyl-2-oxo-1-phenylethyl)-4,5,6,7-tetrahydrothieno [3,2-c]pyridin-2-yl acetate 5-(2-cyclopropyl-2-oxo-1-phenylethyl)-4,5,6,7-tetrahydrothieno [3,2-c]pyridin-2-yl acetate 1391194-45-8 C20H21NO3S
(Gly8-OH)-Carbetocin (Impurity B) (Gly8-OH)-Carbetocin (Impurity B)
D-Asn4-Carbetocin (Impurity F) D-Asn4-Carbetocin (Impurity F)
5-Chloro AcesulfaMe 5-Chloro AcesulfaMe 72827-08-8 C4H4ClNO4S
Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoate Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoate 1038924-97-8 C24H27NO4
3'-chloro-3'-deoxythymidine (zidovudine impurity) 3'-chloro-3'-deoxythymidine (zidovudine impurity)
Ofloxacin/Levofloxacin Impurity E Ofloxacin/Levofloxacin Impurity E
4-(4-Hydroxy-3-hydroxymethyl-phenoxy)-benzonitrile 4-(4-Hydroxy-3-hydroxymethyl-phenoxy)-benzonitrile C14H11NO3
monocalciummono(4-(((2S,4R)-1-([1,1'-biphenyl]-4-yl)-5- methoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate) monocalciummono(4-(((2S,4R)-1-([1,1'-biphenyl]-4-yl)-5- methoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate) C23H26CaNO5
(2R,4S)-Isopropyl 5-([1,1''-biphenyl]-4-yl)-4-(4-isopropoxy-4-oxobutanamido)-2-methylpentanoate (2R,4S)-Isopropyl 5-([1,1''-biphenyl]-4-yl)-4-(4-isopropoxy-4-oxobutanamido)-2-methylpentanoate 2216755-67-6 C28H37NO5
EP Impurity Catalog EP Impurity Catalog
2,4,6,3',5'-pentamethoxybiphenyl 2,4,6,3',5'-pentamethoxybiphenyl 84212-55-5 C17H20O5
(Asp4)-Carbetocin (Impurity G) (Asp4)-Carbetocin (Impurity G)
((1R,3R,E)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5R,E)-5,6-diMethylhept-3-en-2-yl)-7a-Methyldihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-Methylenecyclohexane-1,3-diyl)bis(oxy)bis(tert-butyldiMethylsilane) ((1R,3R,E)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5R,E)-5,6-diMethylhept-3-en-2-yl)-7a-Methyldihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-Methylenecyclohexane-1,3-diyl)bis(oxy)bis(tert-butyldiMethylsilane) 115540-28-8 C40H72O2Si2
(S,R)-Palonosetron N-Oxide (S,R)-Palonosetron N-Oxide C19H24N2O2
2-(ヒドロキシメチル)オランザピン 2-(ヒドロキシメチル)オランザピン 174756-45-7 C17H20N4OS
Flomoxef Impurity 2 Flomoxef Impurity 2
NA NA
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