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Structure:

Chemical Name:

3-Thiophenecarboxylic acid, 4-methyl-5-(4-nitrophenyl)-2-[(propoxycarbonyl)amino]-, ethyl ester

CAS:

2591260-03-4

MF:

C18H20N2O6S

Chemical Name:

Pemetrexed disodium Impurity 32

Structure:

Chemical Name:

Androsta-1,4-diene-17-carboxylic acid, 11,16,17-trihydroxy-3-oxo-, (11β,16α,17α)-

CAS:

1185143-75-2

MF:

C20H26O6

Chemical Name:

(3R,5R)-7-(1-((3R,5R)-6-carboxy-3,5-dihydroxyhexyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxamido)-3,5-dihydroxyheptanoic acid

Chemical Name:

Tazobactam Impurity LTE

Chemical Name:

Isavuconazole Impurity 47

Structure:

Chemical Name:

5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-(benzyloxy)quinolin-2(1H)-one)

CAS:

753498-27-0

MF:

C49H49N3O6

Chemical Name:

2-((6S,8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-6,10,13-trimethyl-3-oxo- 6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid

Structure:

Chemical Name:

Eltrombopag Impurity 37

CAS:

350024-70-3

MF:

C14H18N2O

Structure:

Chemical Name:

(S)-N-(2-(1-(3-ethoxy-4-methoxyphenyl)-2-((2-hydroxyethyl)sulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide

MF:

C23H26N2O8S

Structure:

Chemical Name:

2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol

MF:

C28H39N3O2

Chemical Name:

Tafluprost Impurity 20

Chemical Name:

Rosuvastatin Impurity 149

Structure:

Chemical Name:

2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE

CAS:

723286-98-4

MF:

C4H2ClF3N2O

Chemical Name:

Rifampicin Quinone Oxide

Chemical Name:

1-(2-(4-(((2-(4-(([1,1'-biphenyl]-2-ylcarbamoyl)oxy)piperidin-1-yl)ethyl)(methyl)amino)methyl)-N-methylbenzamido)ethyl)piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate

Structure:

Chemical Name:

1-Phenyl-3,4-dihydroisoquinoline

CAS:

52250-50-7

MF:

C15H13N

Structure:

Chemical Name:

Pyrazinecarboxamide, 3,6-difluoro- (9CI)

CAS:

356783-29-4

MF:

C5H3F2N3O

Structure:

Chemical Name:

TRANS-4-AMINOCROTONIC ACID

CAS:

38090-53-8

MF:

C4H7NO2

Structure:

Chemical Name:

PeraMpanel

CAS:

380919-34-6

MF:

C23H17N3O2

Chemical Name:

Empagliflozin Impurity 83

Structure:

Chemical Name:

Ambroxol Imp.O

CAS:

1807328-39-7

MF:

C13H12Br2N2O

Structure:

Chemical Name:

Olopatadine Impurity 10 HBr

CAS:

4174-83-8

MF:

C22H26Br2NP

Chemical Name:

Iohexol Impurity Q

Chemical Name:

Avibactam sodium Impurity CIS

Structure:

Chemical Name:

Diphenidol Impurity 2

CAS:

63645-18-1

MF:

C16H17ClO

Structure:

Chemical Name:

(2,5-dibromophenyl)(4-ethoxyphenyl)methanone

CAS:

1713015-63-4

MF:

C15H12Br2O2

Chemical Name:

Flucloxacillin Impurity 1

Chemical Name:

Rocuronium Bromide Impurity 39

Structure:

Chemical Name:

Ticagrelor Intermediate 1 D-Tartrate

CAS:

2376278-72-5

MF:

C14H25NO10

Structure:

Chemical Name:

2-(3,5-dicyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid

CAS:

2428631-65-4

MF:

C17H15N3O3S

Structure:

Chemical Name:

Roxadustat impurity ZZ5

MF:

C17H12ClNO4

Structure:

Chemical Name:

Lenvatinib impurity LFZZ-7

MF:

C11H9ClN2O2

Chemical Name:

Rosuvastatin Impurity 119

Chemical Name:

Rosuvastatin Impurity 105

Structure:

Chemical Name:

(2R,3R,4R,5S,6R)-2-(acetoxymethyl)-6-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate

CAS:

1620758-27-1

MF:

C31H35ClO11

Structure:

Chemical Name:

Benzamide, 3-hydrazino- (9CI)

CAS:

473927-51-4

MF:

C7H9N3O

Structure:

Chemical Name:

4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H benzimidazol-2-yl]butanoic acid

CAS:

1926162-37-9

MF:

C32H42Cl4N6O4

Structure:

Chemical Name:

Isavuconazole Impurity 39

CAS:

207224-73-5

MF:

C21H18F2N4OS

Chemical Name:

Anastrozole Impurity 41

Chemical Name:

Isavuconazole Impurityi45

Structure:

Chemical Name:

Gatifloxacinacid

CAS:

121577-32-0

MF:

C19H22FN3O4.ClH

Chemical Name:

Bisoprolol Impurity 41

Structure:

Chemical Name:

1,4-Naphthalenedione, 2-(3-hydroxy-3,7,11,15-tetramethyl-1,6,10,14-hexadecatetraenyl)-3-methyl-, (,E,E)- (9CI)

CAS:

65061-22-5

MF:

C31H40O3

Chemical Name:

Piperacilin

Chemical Name:

Varenicline Impurity D

Structure:

Chemical Name:

2-Propanone, 1-(2-hydroxypropoxy)- (9CI)

CAS:

90817-38-2

MF:

C6H12O3

Chemical Name:

Nirmatrelvir Impurity 4

Chemical Name:

Nifedipine Impurity L

Structure:

Chemical Name:

2-Pyrrolidinone, 3,4-dihydroxy-5-(hydroxymethyl)-, (3R,4R,5R)- (9CI)

CAS:

155102-96-8

MF:

C5H9NO4

Chemical Name:

Bumetanide Impurity 24

Chemical Name:

Rocuronium Bromide Impurity 37、38、39

Chemical Name:

Ritonavir EP Impurity HIJ

Chemical Name:

Crisaborole Impurity 42

Structure:

Chemical Name:

2-AMino-5-(trifluoroMethoxy)phenyl Thiocyanate

CAS:

1391054-04-8

MF:

C8H5F3N2OS

Structure:

Chemical Name:

BJQMFFOQQWEWAF-DGBYXFBUSA-N

CAS:

1709825-83-1

MF:

C31H41ClO8

Structure:

Chemical Name:

3-Oxo Atorvastatin tert-Butyl Ester

CAS:

134394-98-2

MF:

C37H41FN2O5

Chemical Name:

Febuxostat Impurity 99

Chemical Name:

Furosemide Impurity 20

Chemical Name:

1-((2S,3S)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium

Structure:

Chemical Name:

(3R,4R,5S)-ethyl 4,5-diacetamido-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate

CAS:

1191921-01-3

MF:

C18H30N2O5

Chemical Name:

Ticagrelor Impurity 109

Chemical Name:

Ticagrelor Impurity 134

Structure:

Chemical Name:

2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)-

CAS:

1217439-96-7

MF:

C14H16N2O3

Structure:

Chemical Name:

Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis-

CAS:

2254541-79-0

MF:

C28H20N2O4

Structure:

Chemical Name:

Benzoic acid, 3-(butylamino)-5-[(butylamino)sulfonyl]-4-phenoxy-

CAS:

28469-01-4

MF:

C21H28N2O5S

Structure:

Chemical Name:

Acetamide, N-[9-[[2-(acetyloxy)-1-(hydroxymethyl)ethoxy]methyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-

CAS:

298197-26-9

MF:

C13 H17 N5 O6

Chemical Name:

Topiroxostat Impurity 46

Chemical Name:

Topiroxostat Impurity 43

Structure:

Chemical Name:

N-(2-(1-hydroxycyclohexyl)-2-(4-methoxyphenyl)ethyl)-N-methyl formamide

CAS:

1643948-40-6

MF:

C17H25NO3

Chemical Name:

Regorafenib Impurity 40

Structure:

Chemical Name:

3-Quinolinecarboxylic acid, 1-cyclopropyl-7-fluoro-1,4-dihydro-6,8-dimethoxy-4-oxo-, ethyl ester

CAS:

2489671-14-7

MF:

C17H18FNO5

Structure:

Chemical Name:

Bisoprolol Impurity 17

CAS:

109791-19-7

MF:

C15H23NO5

Structure:

Chemical Name:

Furosemide Impurity 5

CAS:

518336-22-6

MF:

C12H10ClNO3

Structure:

Chemical Name:

Lumateperone Impurity 2

CAS:

313544-32-0

MF:

C16H19N3O3

Structure:

Chemical Name:

Pramipexole Impurity 55

CAS:

959012-83-0

MF:

C8H11NO2

Structure:

Chemical Name:

INDEX NAME NOT YET ASSIGNED

CAS:

2438857-80-6

MF:

C27H22F2N6O5

Chemical Name:

Nicergoline Impurity 01

Chemical Name:

impurity 38

Chemical Name:

Aprepitant impurity 1

Structure:

Chemical Name:

Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]-

CAS:

2227126-09-0

MF:

C16H12BrNO3

Structure:

Chemical Name:

3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI)

CAS:

18206-80-9

MF:

C14H9ClN2O

Structure:

Chemical Name:

Androsta-3,16-dien-17-ol, acetate, (5α)- (9CI)

CAS:

103088-58-0

MF:

C21H30O2

Structure:

Chemical Name:

1-Naphthalenamine, 1,2,3,4-tetrahydro-N-methyl-4-phenyl-, (1S,4S)-

CAS:

91797-61-4

MF:

C17H19N

Structure:

Chemical Name:

2-Pyridineethanamine, N-methyl-N-nitroso-

CAS:

32635-81-7

MF:

C8H11N3O

Chemical Name:

Peramivir Impurity 45

Structure:

Chemical Name:

Pentanamide, 5-(diphenylphosphinyl)-N-ethyl-

CAS:

2512198-63-7

MF:

C19H24NO2P

Structure:

Chemical Name:

1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)-

CAS:

313369-17-4

MF:

C16H21N3O2

Structure:

Chemical Name:

Ergoline-8-methanol, 10-hydroxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8β)-

CAS:

57935-66-7

MF:

C23H24BrN3O3

Chemical Name:

(5S,6S,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4- thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid 5-oxide

Structure:

Chemical Name:

Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]-

CAS:

871266-45-4

MF:

C15H12ClNO4

Structure:

Chemical Name:

Benzeneethanamine, N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxy-

CAS:

24997-88-4

MF:

C20H27NO4

Structure:

Chemical Name:

Benzeneethanamine, N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxy-

CAS:

24997-88-4

MF:

C20H27NO4

Structure:

Chemical Name:

Benzeneethanamine, N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxy-

CAS:

24997-88-4

MF:

C20H27NO4

Structure:

Chemical Name:

1H-Pyrazolo[3,4-c]pyridine-3-carboxamide, 4,5,6,7-tetrahydro-1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-

CAS:

1642569-42-3

MF:

C20H17N5O5

Chemical Name:

Avatrombopag Impurity 23

Chemical Name:

Avatrombopag Impurity 34

Chemical Name:

Cisatracurium besylate impurity11

Chemical Name:

(3R,5S,E)-tert-butyl 7-(4-(2-fluorophenyl)-6-isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Structure:

Chemical Name:

Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?-

CAS:

2575516-61-7

MF:

C16H16N2O4