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Structure Chemical Name CAS MF
Sugammadex Monochloro Impurity Sugammadex Monochloro Impurity
Cefazolin Impurity 4 Cefazolin Impurity 4
Triphenylmethanol (Zidovudine impurity) Triphenylmethanol (Zidovudine impurity) C19H16O
Isavuconazole Impurity 6 Isavuconazole Impurity 6
Azilsartan Impurity 11 Azilsartan Impurity 11 91526-16-8 C12H12O6S
Vonoprazan Impurity 3 Vonoprazan Impurity 3 928325-41-1 C17H15F2N3O2S
1-((2R,3R,4R,5R)-3-chloro-4-hydroxy-5-(hydroxyMethyl)-3-Methyltetrahydrofuran-2-yl)pyriMidine-2,4(1H,3H)-dione 1-((2R,3R,4R,5R)-3-chloro-4-hydroxy-5-(hydroxyMethyl)-3-Methyltetrahydrofuran-2-yl)pyriMidine-2,4(1H,3H)-dione 1496551-72-4 C10H13ClN2O5
Cefazolin Impurity 6 Cefazolin Impurity 6 66636-33-7 C14H20N4O3S3Si
Febuxostat Impurity 89 Febuxostat Impurity 89
Cefminox Sodium Impurity 6 Cefminox Sodium Impurity 6
Glycine, N-[(4-methylphenyl)sulfonyl]glycyl-, ethyl ester Glycine, N-[(4-methylphenyl)sulfonyl]glycyl-, ethyl ester 2478-45-7 C13H18N2O5S
Isavuconazole Impurity 17 Isavuconazole Impurity 17
2-[(4-アセチルフェニル)メチル]シクロペンタン-1-オン 2-[(4-アセチルフェニル)メチル]シクロペンタン-1-オン 96824-28-1 C14H16O2
Ondansetron IMpurity 6 Ondansetron IMpurity 6
Canagliflozin Impurity 41 Canagliflozin Impurity 41
5-(difluoromethoxy)-2-[(3,4-dimethoxypyridin-2-yl)methylsulfinyl]-1-(trideuteriomethyl)benzimidazole 5-(difluoromethoxy)-2-[(3,4-dimethoxypyridin-2-yl)methylsulfinyl]-1-(trideuteriomethyl)benzimidazole 1190008-84-4 C17H14D3F2N3O4S
Fluvastatin 3-Hydroxy-4,6-diene Fluvastatin 3-Hydroxy-4,6-diene 1207963-21-0 C24H24FNO3
Bendamustine Impurity 14 Bendamustine Impurity 14
Brivudine Impurity 2 Brivudine Impurity 2
LeflunoMide EP IMpurity F LeflunoMide EP IMpurity F 1403564-06-6 C12H9F3N2O2
8-((R)-1-acryloylpiperidin-3-yl)-10-(4-phenoxyphenyl)-1,10b-dihydropyrazolo[4,3-e]pyrimido[1,2-c]pyrimidin-2(8H)-one 8-((R)-1-acryloylpiperidin-3-yl)-10-(4-phenoxyphenyl)-1,10b-dihydropyrazolo[4,3-e]pyrimido[1,2-c]pyrimidin-2(8H)-one
C-Desmethyl Atenolol C-Desmethyl Atenolol 1797116-92-7 C13H20N2O3
AMpicillin EP IMpurity J AMpicillin EP IMpurity J 6489-58-3 C13H20N2O4S
Brexpiprazole Impurity Brexpiprazole Impurity 2138169-93-2 C41H47N5O2S2
Cefazedone Related Impurity 10 Cefazedone Related Impurity 10 18884-65-6 C10H12N2O5S
Atracurium Impurity T Atracurium Impurity T
Milrinone Impurity 15 Milrinone Impurity 15 156033-07-7 C12H9N3O2
Tofacitinib Impurity H Tofacitinib Impurity H
Flucloxacillin Sodium EP Impurity B Flucloxacillin Sodium EP Impurity B
(7S,8R)-3-[2-(tert-butylamino)acetamido]-7-[[4-carbamoyl-2-(dimethylamino)-3,5,6-trihydroxyphenyl]methyl]-6-carboxy-5,8-dihydroxy-N,N-dimethyl-4-oxo-7,8-dihydronaphthalen-1(4H)-iminium (7S,8R)-3-[2-(tert-butylamino)acetamido]-7-[[4-carbamoyl-2-(dimethylamino)-3,5,6-trihydroxyphenyl]methyl]-6-carboxy-5,8-dihydroxy-N,N-dimethyl-4-oxo-7,8-dihydronaphthalen-1(4H)-iminium C29H38N5O10+
Oseltamivir Impurity 48 Oseltamivir Impurity 48 651324-04-8 C18H33NO4
2-amino-2-(4-nonylphenethyl)propane-1,3-diol 2-amino-2-(4-nonylphenethyl)propane-1,3-diol 746594-44-5 C20H35NO2
Carfilzomib Impurity B Carfilzomib Impurity B
Desloratadine Impurity 7 Desloratadine Impurity 7
4,4',4''-メチリジントリスベンゾニトリル (LETROZOLE IMPURITY) 4,4',4''-メチリジントリスベンゾニトリル (LETROZOLE IMPURITY) 113402-31-6 C22H13N3
N-メチル-3-フェニルプロピルアミン塩酸塩 N-メチル-3-フェニルプロピルアミン塩酸塩 30684-07-2 C10H16ClN
Cefoxitin Impurity 3 Cefoxitin Impurity 3
Vonoprazan Impurity U4 Vonoprazan Impurity U4
Atracurium Impurity 33 Atracurium Impurity 33
Clonazepam Related Compound A (3-Amino-4-(2-chlorophenyl)-6-nitrocarbostyril) Clonazepam Related Compound A (3-Amino-4-(2-chlorophenyl)-6-nitrocarbostyril) 55198-89-5 C15H10ClN3O3
Aprepitant Impurity 14 Aprepitant Impurity 14
2-[3-カルボキシ-4-(2-メチルプロポキシ)フェニル]-4-メチル-5-チアゾールカルボン酸 2-[3-カルボキシ-4-(2-メチルプロポキシ)フェニル]-4-メチル-5-チアゾールカルボン酸 1239233-87-4 C16H17NO5S
316173-27-0 316173-27-0 316173-27-0 C17H28N2O5
Dapagliflozin peroxide impurit Dapagliflozin peroxide impurit 2452300-94-4 C21H25ClO8
2-(chloromethyl)-3-methylpyridin-4-ol 2-(chloromethyl)-3-methylpyridin-4-ol 1805648-51-4 C7H8ClNO
Landiolol impurity X Landiolol impurity X
6,6'-oxybis(3-formylbenzonitrile) 6,6'-oxybis(3-formylbenzonitrile)
Donepezil Impurity Donepezil Impurity 844694-84-4 C24H31NO2
Amoxicillin Impurity T Amoxicillin Impurity T C16H19N3O5S
methyl (41S,12S,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate methyl (41S,12S,13aR)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate 83508-82-1 C21H26N2O3
Sunitinib Impurity 1 Sunitinib Impurity 1
2-[[[3-メチル-4-(2,2,2-トリフルオロエトキシ)-2-ピリジル]メチル]チオ]-1H-ベンゾイミダゾール 2-[[[3-メチル-4-(2,2,2-トリフルオロエトキシ)-2-ピリジル]メチル]チオ]-1H-ベンゾイミダゾール 103577-40-8 C16H14F3N3OS
Dapoxetine impurity 32 Dapoxetine impurity 32
Avatrombopag Impurity 56 Avatrombopag Impurity 56
Bortezomib Impurity 52 Bortezomib Impurity 52 87304-47-0 C15H26BClO2
Crisaborole Impurity 45 Crisaborole Impurity 45 1785498-37-4 C7H6Br2O
Ropivacaine Impurity 1 Ropivacaine Impurity 1
Esmolol impurity A Esmolol impurity A
Afatinib Impurity 21 Afatinib Impurity 21 2044709-72-8 C18H16F2N4O2
LincoMycin iMpurity A LincoMycin iMpurity A
1-(5-(2-fluorophenyl)-1-(pyridin-2-ylsulfonyl)-1H-pyrrol-3-yl)-N- methylmethanamine fumarate 1-(5-(2-fluorophenyl)-1-(pyridin-2-ylsulfonyl)-1H-pyrrol-3-yl)-N- methylmethanamine fumarate 928615-46-7 C17H16FN3O2S
α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate 714269-58-6 C30H35ClO11
Apixaban Impurity 25 Apixaban Impurity 25 2133292-60-9 C26H27ClN4O5
Edoxaban Impurity 11 (1R,2R,4S) Edoxaban Impurity 11 (1R,2R,4S) 480451-98-7 C21H30ClN5O5
Bortezomib Impurity 25 Bortezomib Impurity 25
Caspofungin Impurity 6 Caspofungin Impurity 6
Penicillin Impurity A Penicillin Impurity A
Ciprofloxacin Impurity D HCl Ciprofloxacin Impurity D HCl 526204-10-4 C17H18FN3O3
ケチアピンN-オキシド ケチアピンN-オキシド 1076199-40-0 C21H25N3O3S
Atorvastatin Calcium Hydrate impurity 32 Atorvastatin Calcium Hydrate impurity 32 2088732-01-6 C14H27NO4
Rupatadine Impurity A Rupatadine Impurity A
Fingolimod Hexyl Impurity Fingolimod Hexyl Impurity 1201794-93-5 C17H29NO2
Fimasartan Impurity F Fimasartan Impurity F
Doxorubicin Impurity 6 Doxorubicin Impurity 6 69429-21-6 C26H27NO11
Mupirocin Impurity C Mupirocin Impurity C C26H44O9
Avatrombopag Impurity 22 Avatrombopag Impurity 22 570403-14-4 C31H38Cl2N6O3S2
Afatinib ImpurityOYQ Afatinib ImpurityOYQ
Beclometasone Impurity B Beclometasone Impurity B
Losartan IsoMer IMpurity, PotassiuM Salt Losartan IsoMer IMpurity, PotassiuM Salt 860644-28-6 C22H22ClKN6O
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
(3R,4S,5S,6R)-2-[4-chloro-3-[[4-[(3S)-oxolan-3-yl]oxyphenyl]methyl]phenyl]-6-(hydroxymethyl)-2-methoxyoxane-3,4,5-triol (3R,4S,5S,6R)-2-[4-chloro-3-[[4-[(3S)-oxolan-3-yl]oxyphenyl]methyl]phenyl]-6-(hydroxymethyl)-2-methoxyoxane-3,4,5-triol 915095-96-4 C24H29ClO8
Cefraprazole impurity Cefraprazole impurity
1-(3,4-ジメチルフェニル)エタノール 1-(3,4-ジメチルフェニル)エタノール 33967-19-0 C10H14O
Dyclonine Impurity 3 Dyclonine Impurity 3 14146-86-2 C24H28O4
Amlodipine Impurity 28 Amlodipine Impurity 28 79781-21-8 C18H20ClNO5
Benidipine Impurity V Benidipine Impurity V
1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethenamine 1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethenamine 1450657-31-4 C12H17NO4S
Tofacitinib Impurity 77 Tofacitinib Impurity 77 1640971-51-2 C16H20N6O2
Cefazolin impurity F Cefazolin impurity F
Pitavastatin Impurity 29 Pitavastatin Impurity 29 148516-15-8 C25H20FNO2
Imatinib impurity 12 Imatinib impurity 12
Pramipexole Impurity 36 Pramipexole Impurity 36
4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE 4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE 112809-52-6 C17H11N5
Peramivir Intermediate Impurity 40 Peramivir Intermediate Impurity 40
TIZOXANIDE GLUCURONIDE, SODIUM SALT TIZOXANIDE GLUCURONIDE, SODIUM SALT 221287-83-8 C16H14N3NaO10S
Cefotiam Impurity B Cefotiam Impurity B
Linagliptin Impurity H Linagliptin Impurity H 1646355-34-1 C22H23N7O2
Iohexol Impurity N Iohexol Impurity N
Etoposide EP Impurity A Etoposide EP Impurity A 124151-67-3 C37H38O15
(trans)-4-((2-amino-3,4-dibromobenzyl)amino)cyclohexanol (trans)-4-((2-amino-3,4-dibromobenzyl)amino)cyclohexanol C13H18Br2N2O
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