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Structure Chemical Name CAS MF
RocuroniuMbroMide iMpurity D RocuroniuMbroMide iMpurity D
(3S,4R)-4-(4-Fluorophenyl)piperidine-3-Methanol Hydrochloride (3S,4R)-4-(4-Fluorophenyl)piperidine-3-Methanol Hydrochloride 220548-73-2 C12H17ClFNO
LaMotrigine IMpurity D LaMotrigine IMpurity D 661463-79-2 C9H5Cl2N3O2
DeMethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride DeMethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride 139756-27-7 C15H15ClN4O4S
Rizatriptan IMpurity B Rizatriptan IMpurity B 1016900-28-9 C13H15ClN5
rac Adrenaline IMpurity D rac Adrenaline IMpurity D 1095714-91-2 C16H19NO3
2-(1-Methylethenyl)-6-(1-Methylethyl)phenol 2-(1-Methylethenyl)-6-(1-Methylethyl)phenol 74926-89-9 C12H16O
Irinotecan IMpurity G Irinotecan IMpurity G 947687-02-7 C35H42N4O6
5-[Bis(2-hydroxyethyl)aMino]-1-Methyl-1H-benziMidazole-2-butanoic Acid 5-[Bis(2-hydroxyethyl)aMino]-1-Methyl-1H-benziMidazole-2-butanoic Acid 109882-30-6 C16H23N3O4
5-Chloro-6'-Methyl-3-[4-(Methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide 5-Chloro-6'-Methyl-3-[4-(Methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide 325855-74-1 C18H15ClN2O3S
Lafutidine IMpuritiy B Lafutidine IMpuritiy B 174583-84-7 C22H29N3O5S
N-(Methylsulfonyl)-N-(2-phenoxyphenyl)MethanesulfonaMide N-(Methylsulfonyl)-N-(2-phenoxyphenyl)MethanesulfonaMide 905858-63-1 C14H15NO5S2
4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid 4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid 1357477-99-6 C13H14N2O6S
tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzoyl)piperazine-1-carboxylate tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzoyl)piperazine-1-carboxylate 763114-04-1 C25H27FN4O4
1H-IMidazole, 4-Methyl-1-[3-nitro-5-(trifluoroMethyl)phenyl]- 1H-IMidazole, 4-Methyl-1-[3-nitro-5-(trifluoroMethyl)phenyl]- 916975-92-3 C11H8F3N3O2
Edaravone iMpurity P3 Edaravone iMpurity P3 1323485-71-7 C13H16N2O4S
Ondansetron Impurity B Ondansetron Impurity B
LeflunoMide EP IMpurity F LeflunoMide EP IMpurity F 1403564-06-6 C12H9F3N2O2
Cabozantinib impurity 57 Cabozantinib impurity 57
(2R,3S)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol hydrochloride (2R,3S)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol hydrochloride
(R)-2-((2R,5R)-3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid (R)-2-((2R,5R)-3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid 860011-30-9 C16H17N3O4S
Dapoxetine impurity 54 Dapoxetine impurity 54
Doxofylline Impurity 21 Doxofylline Impurity 21
Dapoxetine impurity 60 Dapoxetine impurity 60
Bosutinib Impurity 37 Bosutinib Impurity 37 2095306-27-5 C39H30Cl4N6O6
3-Hydroxy-1-methylindolin-5,6-dion 3-Hydroxy-1-methylindolin-5,6-dion 54-06-8 C9H9NO3
TELMISARTAN-D3 TELMISARTAN-D3 1189889-44-8 C33H27D3N4O2
4-(4-Chlor-1,2,5-thiadiazol-3-yl)morpholin 4-(4-Chlor-1,2,5-thiadiazol-3-yl)morpholin 30165-96-9 C6H8ClN3OS
Atomoxetine impurity D CRS Atomoxetine impurity D CRS 873310-29-3 C17H21NO
Beraprost Impurity 2 Beraprost Impurity 2
Brivudine Impurity 2 Brivudine Impurity 2
3-METHOXYCARBONYLAMINO-4-METHYLPYRIDINE 3-METHOXYCARBONYLAMINO-4-METHYLPYRIDINE 694495-63-1 C8H10N2O2
4-chloro-6-(1-(6-ethyl-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidine 4-chloro-6-(1-(6-ethyl-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidine
Empagliflozin Impurity 74 Empagliflozin Impurity 74
Empagliflozin Impurity 78 Empagliflozin Impurity 78
Empagliflozin Impurity 85 Empagliflozin Impurity 85
Relugolix Impurity 11 Relugolix Impurity 11
(8S,16S,Z)-16-amino-5-(2-aminothiazol-4-yl)-11-imino-2,2-dimethyl-6,9-dioxo-8-((S)-1-(sulfoamino)ethyl)-3-oxa-4,7,10,12-tetraazaheptadec-4-ene-1,17-dioic acid (8S,16S,Z)-16-amino-5-(2-aminothiazol-4-yl)-11-imino-2,2-dimethyl-6,9-dioxo-8-((S)-1-(sulfoamino)ethyl)-3-oxa-4,7,10,12-tetraazaheptadec-4-ene-1,17-dioic acid
1-(3,4-bis(hydroxymethyl)-1H-pyrrol-2-yl)ethan-1-one 1-(3,4-bis(hydroxymethyl)-1H-pyrrol-2-yl)ethan-1-one
Gadobutrol Impurity 32 Gadobutrol Impurity 32 C14H23GdN4O6
Ornidazole Impurity 23 Ornidazole Impurity 23 1100750-18-2
Olanzapine impurity CNB Olanzapine impurity CNB
Pitavastatin Impurity 74 Pitavastatin Impurity 74 167934-30-7 C29H30FNO4
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
Itraconazole iMpurity D Itraconazole iMpurity D
3-amino-2-chloroacrolein 3-amino-2-chloroacrolein 221615-73-2 C3H4ClNO
3-Amino-4-pyrazolecarbonitrile 3-Amino-4-pyrazolecarbonitrile 16617-46-2 C4H4N4
BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- 1391052-24-6 C20H20Cl2N2O3
4-ISOBUTYRYLACETOPHENONE 4-ISOBUTYRYLACETOPHENONE 103931-20-0 C12H14O2
ButanaMide, 4-hydroxy-N-(1-Methylethyl)- ButanaMide, 4-hydroxy-N-(1-Methylethyl)- 42042-66-0 C7H15NO2
5H-chroMeno[2,3-b]pyridin-7-ylacetic acid 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)
IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride 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
Etoricoxib Impurity 35 Etoricoxib Impurity 35 855307-79-8 C18H13ClN2O2S
Febuxostat Impurity 102 Febuxostat Impurity 102
Ticagrelor Impurity 131 Ticagrelor Impurity 131
door bird impurities door bird impurities
Topiroxostat Impurity 41 Topiroxostat Impurity 41
1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-1-oxide-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium 1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-1-oxide-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium
2-Piperidinecarboxylic acid, 1-formyl-, (1S,2R,3S,6R,7E,10S,12S)-3-hydroxy-1-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-12-methoxy-2,8,10-trimethyl-5-oxo-6-(2-propen-1-yl)-12-[(2R,3S,5R)-tetrahydro-3-methoxy-5-methyl-6-oxo-2H-pyra 2-Piperidinecarboxylic acid, 1-formyl-, (1S,2R,3S,6R,7E,10S,12S)-3-hydroxy-1-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-12-methoxy-2,8,10-trimethyl-5-oxo-6-(2-propen-1-yl)-12-[(2R,3S,5R)-tetrahydro-3-methoxy-5-methyl-6-oxo-2H-pyra 143210-33-7 C43H69NO11
Blonanserin Impurity 15 Blonanserin Impurity 15 143213-96-1 C17H17ClFNO
1H-Pyrazole-1-propanoic acid, β-cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-, (βR)- 1H-Pyrazole-1-propanoic acid, β-cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-, (βR)- 2102675-40-9 C17H19N5O2
sodium ((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d] pyrimidin-5-yl)ethyl)benzamido)-4-carboxylatobutanoyl)-L-glutamate sodium ((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d] pyrimidin-5-yl)ethyl)benzamido)-4-carboxylatobutanoyl)-L-glutamate
1H-Purin-2-amine, 6,9-dihydro-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6-(phenylmethoxy)-N-(triphenylmethyl)- 1H-Purin-2-amine, 6,9-dihydro-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6-(phenylmethoxy)-N-(triphenylmethyl)- 2097265-84-2 C52H49N5O3
6,6'-oxybis(3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzonitrile) 6,6'-oxybis(3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzonitrile)
Glycine, N-[(1-ethyl-4-hydroxy-7-phenoxy-3-isoquinolinyl)carbonyl]- Glycine, N-[(1-ethyl-4-hydroxy-7-phenoxy-3-isoquinolinyl)carbonyl]- 808120-20-9 C20H18N2O5
Vonoprazan Impurity 55 Vonoprazan Impurity 55
N-(5-((diphenylphosphoryl)methyl)-4-(2-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide N-(5-((diphenylphosphoryl)methyl)-4-(2-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide
Ethane, 1,1,1-trichloro-2,2,2-trimethoxy- Ethane, 1,1,1-trichloro-2,2,2-trimethoxy- 19932-79-7 C5H9Cl3O3
Budesonide Impurity 29 Budesonide Impurity 29
Budesonide Impurity 20 Budesonide Impurity 20
Glycine, N-[(4-methylphenyl)sulfonyl]glycyl-, ethyl ester Glycine, N-[(4-methylphenyl)sulfonyl]glycyl-, ethyl ester 2478-45-7 C13H18N2O5S
Pneumocandin B0, 1-[(4R,5S)-5-[(2-aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithine]- Pneumocandin B0, 1-[(4R,5S)-5-[(2-aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithine]- 1404083-47-1 C52H86N10O16
(E)-3-(4-((3-(1-(4-((1H-imidazol-1-yl)methyl)phenyl)-2-carboxyethyl)-1H-imidazol-3-ium-1-yl)methyl)phenyl)acrylate (E)-3-(4-((3-(1-(4-((1H-imidazol-1-yl)methyl)phenyl)-2-carboxyethyl)-1H-imidazol-3-ium-1-yl)methyl)phenyl)acrylate
Cisatracurium besylate impurity 21 Cisatracurium besylate impurity 21
Dacomitinib Impurity Dacomitinib Impurity
6-O-DESMETHYL DONEPEZIL 6-O-DESMETHYL DONEPEZIL 120013-56-1 C23H27NO3
2-(2-METHYL-4-NITRO-IMIDAZOL-1-YL)-ETHANOL 2-(2-METHYL-4-NITRO-IMIDAZOL-1-YL)-ETHANOL 705-19-1 C6H9N3O3
Dimethyl-2,6-dimethyl-4-(3-nitrophenyl)pyridin-3,5-dicarboxylat Dimethyl-2,6-dimethyl-4-(3-nitrophenyl)pyridin-3,5-dicarboxylat 76258-20-3 C17H16N2O6
3-(2-TRIFLUOROMETHYL-PHENYL)-PROPAN-1-OL 3-(2-TRIFLUOROMETHYL-PHENYL)-PROPAN-1-OL 191155-81-4 C10H11F3O
monocalcium mono((3R,5S,E)-7-(4-(2-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate) monocalcium mono((3R,5S,E)-7-(4-(2-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate)
Benzenepropanoic acid, 4-(2-oxiranylmethoxy)- Benzenepropanoic acid, 4-(2-oxiranylmethoxy)- 2167848-51-1 C12H14O4
(S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine (S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine 132335-46-7 C19H21NOS
D-Tryptophan, N-(trifluoroacetyl)- (9CI) D-Tryptophan, N-(trifluoroacetyl)- (9CI) 22220-03-7 C13H11F3N2O3
2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide
1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate 1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate
1-Ethyl-3(3-dimethylamino)urea 1-Ethyl-3(3-dimethylamino)urea 32897-26-0 C8H19N3O
Brivaracetam Impurity 29 Brivaracetam Impurity 29
L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester 1501982-84-8 C10H18O5
Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester 543699-60-1 C24H18N2O3
1,2-Bis(2-methoxyphenoxy)ethan 1,2-Bis(2-methoxyphenoxy)ethan 553-45-7 C16H18O4
Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide 1432057-93-6 C22H23ClN2O4
Oseltamivir Impurity 109 Oseltamivir Impurity 109
Oseltamivir  Impurity 81 Oseltamivir Impurity 81
Oseltamivir  Impurity 71 Oseltamivir Impurity 71
(-)-Menthylbenzoat (-)-Menthylbenzoat 6284-35-1 C17H24O2
1-Hydrazino-3-(methylthio)propan-2-ol 1-Hydrazino-3-(methylthio)propan-2-ol 14359-97-8 C4H12N2OS
Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- 293302-44-0 C10H13ClO3
N,N-bis((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)pyridine-3-sulfonamide N,N-bis((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)pyridine-3-sulfonamide 2514957-29-8 C27H22F2N4O2S
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