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Structure Chemical Name CAS MF
Alogliptin Imp.13 Alogliptin Imp.13
Alogliptin Related Compound 14 Alogliptin Related Compound 14 1820685-30-0 C18H23N5O3
Alogliptin benzoate impurity K Alogliptin benzoate impurity K 1618644-32-8 C25H25N5O3
Amoxicillin Impurity P Amoxicillin Impurity P C16H19N3O5S
N-Des-tetrahydrofuran N-(6,7-Dimethoxy-4,4a-dihydroquinazolin-4-amine) Alfuzosin N-Des-tetrahydrofuran N-(6,7-Dimethoxy-4,4a-dihydroquinazolin-4-amine) Alfuzosin 928780-95-4 C24H30N8O4
Afatinib Impurity 50 Afatinib Impurity 50
Afatinib Impurity 75 Afatinib Impurity 75 2348580-72-1 C7H14N2O
Acarbose Impurity IV (JP) Acarbose Impurity IV (JP) C13H21NO7
Azlocillin Impurity 8 Azlocillin Impurity 8
3,4-Dihydro-7-(4-chlorobutoxy)-2(1H)-quinolinone 3,4-Dihydro-7-(4-chlorobutoxy)-2(1H)-quinolinone 120004-79-7 C13H16ClNO2
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-Dehydrosilybin B 2,3-Dehydrosilybin 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
diltiazem hydrochloride diltiazem hydrochloride 103532-27-0 C22H27ClN2O4S
2'-[(1H-Tetrazol-5-yl)biphenyl-4-yl]Methanol 2'-[(1H-Tetrazol-5-yl)biphenyl-4-yl]Methanol 160514-13-6 C14H12N4O
(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
Ofloxacin/Levofloxacin Impurity A Ofloxacin/Levofloxacin Impurity A
(R,R)-Palonosetron N-Oxide (R,R)-Palonosetron N-Oxide C19H24N2O2
7-PACE Impurity 2 7-PACE Impurity 2
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)
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
1-Azetidinesulfonamide(9CI) 1-Azetidinesulfonamide(9CI) 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
Avanafil IMpurity 8 (R-Avanafil) Avanafil IMpurity 8 (R-Avanafil)
570403-04-2 570403-04-2 570403-04-2 C23H24Cl3N5OS2
5-chloro-6-[4-(ethoxycarbonyl)piperidino]nicotinic acid 5-chloro-6-[4-(ethoxycarbonyl)piperidino]nicotinic acid 931395-73-2 C14H17ClN2O4
Afatinib Impurity 14 Afatinib Impurity 14
Avanafil Impurity 10 Avanafil Impurity 10
Adefovir Impurity 2 Adefovir Impurity 2
Abacavir Impurity F Abacavir Impurity F 1443421-68-8 C18H26N6O
Albendazole EP Impurity J Albendazole EP Impurity J 946498-41-5 C9H7Cl2N3O2
Afatinib impurity 33 Afatinib impurity 33
Abitrone project impurity Abitrone project impurity
1364671-52-2 1364671-52-2 1364671-52-2 C19H19ClN6O3S
Sugammadex disulfide Impurity Sugammadex disulfide Impurity
2-Thiazolamine, 5-bromo-4-(5-bromo-4-chloro-2-thienyl)- 2-Thiazolamine, 5-bromo-4-(5-bromo-4-chloro-2-thienyl)- 2401867-89-6 C7H3Br2ClN2S2
Avatrombopag Impurity 31 Avatrombopag Impurity 31
Avatrombopag Impurity 75 Avatrombopag Impurity 75
N4,N7-bis(3-chloro-4-fluorophenyl)-8-nitroquinazoline-4,7-diamine N4,N7-bis(3-chloro-4-fluorophenyl)-8-nitroquinazoline-4,7-diamine
Abiraterone Sulfate Abiraterone Sulfate
Avanafil iMpurity 5 Avanafil iMpurity 5
Adefovir Dipivoxil Impurity E Adefovir Dipivoxil Impurity E 116384-54-4 C10H16N5O4P
Afatinib Impurity 22 Afatinib Impurity 22
Adefovir Impurity 6 Adefovir Impurity 6
Afatinib impurity 30 Afatinib impurity 30
N - hydroxy Tropisetron Impurity 2 N - hydroxy Tropisetron Impurity 2
677007-73-7 677007-73-7 677007-73-7 C6H4BrClOS
3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-1,6-dihydro-6-oxo- 3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-1,6-dihydro-6-oxo- 762237-66-1 C23H25Cl2N5O2S2
Avatrombopag Impurity 54 Avatrombopag Impurity 54
(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-Hydroxymethyl Olanzapine 2-Hydroxymethyl Olanzapine 174756-45-7 C17H20N4OS
Flomoxef Impurity 2 Flomoxef Impurity 2
NA NA
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