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Structure Chemical Name CAS MF
3-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)-[1,1'-biphenyl]-2,2'-dicarbonitrile 3-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)-[1,1'-biphenyl]-2,2'-dicarbonitrile
Cefmetazole Sodium Impurity B Cefmetazole Sodium Impurity B
(3R,5S,E)-tert-butyl 7-(4-(3-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate (3R,5S,E)-tert-butyl 7-(4-(3-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate
1-Piperazinebutanol, 4-(1,2-benzisothiazol-3-yl)- 1-Piperazinebutanol, 4-(1,2-benzisothiazol-3-yl)- 159729-16-5 C15H21N3OS
1,4-Piperazinedibutanol 1,4-Piperazinedibutanol 92036-96-9 C12H26N2O2
1H-Benz[de]isoquinolin-1-one, 2-(3S)-1-azabicyclo[2.2.2]oct-3-yl-2,3,3a,4,5,6-hexahydro-6-hydroxy-, (3aS)- 1H-Benz[de]isoquinolin-1-one, 2-(3S)-1-azabicyclo[2.2.2]oct-3-yl-2,3,3a,4,5,6-hexahydro-6-hydroxy-, (3aS)- 2446343-19-5 C19H24N2O2
2-yl)oxy)-6,8,11-trihydroxy-8-(((2S,3S,4S,6R)-3-hydroxy-2-methyl-6-(((1S,3S)-3,5,12-trihydroxy-3-(2-hydroxyacetyl)-10-methoxy-6,11-dioxo-1,2,3,4,6,11- 2-yl)oxy)-6,8,11-trihydroxy-8-(((2S,3S,4S,6R)-3-hydroxy-2-methyl-6-(((1S,3S)-3,5,12-trihydroxy-3-(2-hydroxyacetyl)-10-methoxy-6,11-dioxo-1,2,3,4,6,11-
PANTOPRAZOLE SULFONE N-OXIDE PANTOPRAZOLE SULFONE N-OXIDE 953787-55-8 C16H15F2N3O6S
(R)-5-(aminomethyl)-2-((R)-carboxy((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid (R)-5-(aminomethyl)-2-((R)-carboxy((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
Isavuconazole Impurity 44 Isavuconazole Impurity 44
Cobinic acid-abdeg-pentamide, Co-(cyano-κC)-, dihydrogen phosphate (ester), inner salt, 3'-ester with (5,6-dimethyl-1-α-D-ribofuranosyl-1H-benzimidazole-κN3) (9CI) Cobinic acid-abdeg-pentamide, Co-(cyano-κC)-, dihydrogen phosphate (ester), inner salt, 3'-ester with (5,6-dimethyl-1-α-D-ribofuranosyl-1H-benzimidazole-κN3) (9CI) 38437-93-3 C63H87CoN13O15P
Avatrombopag Impurity 75 Avatrombopag Impurity 75
Atorvastatin Impurity N(Calcium salt Atorvastatin Impurity N(Calcium salt
Rosuvastatin Impurity 164 Rosuvastatin Impurity 164
Rosuvastatin Impurity 123 Rosuvastatin Impurity 123
Relugolix Impurity 20 Relugolix Impurity 20
7-PACE Impurity 2 7-PACE Impurity 2
5-(1-Methyl-4-Piperidyl)5H-Dibenzo 5-(1-Methyl-4-Piperidyl)5H-Dibenzo 3967-32-6 C21H23NO
Ertapenem Impurity I(USP) Ertapenem Impurity I(USP)
Penicillin EP Impurity A Penicillin EP Impurity A
Voriconzolegenotoxicimpurity Voriconzolegenotoxicimpurity
N4,N7-bis(3-chloro-4-fluorophenyl)-8-nitroquinazoline-4,7-diamine N4,N7-bis(3-chloro-4-fluorophenyl)-8-nitroquinazoline-4,7-diamine
1H-Benzimidazole-2-butanoic acid, 5-[(2-hydroxyethyl)amino]-1-methyl- 1H-Benzimidazole-2-butanoic acid, 5-[(2-hydroxyethyl)amino]-1-methyl- 956344-27-7 C14H19N3O3
Iohexol ImpuritiesD Iohexol ImpuritiesD
ethyl (Z)-3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate ethyl (Z)-3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate
2-Demethoxy-2-chloro Urapidil HCl 2-Demethoxy-2-chloro Urapidil HCl
Isavuconazole Impurity 43 Isavuconazole Impurity 43
Elagolix Impurity 41 Elagolix Impurity 41
Ethyl (2E)-3-[4-(Dibromomethyl)phenyl]prop-2-enoate Ethyl (2E)-3-[4-(Dibromomethyl)phenyl]prop-2-enoate
8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)-1,2,3,6-tetrahydropyridin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)-1,2,3,6-tetrahydropyridin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine
Bumetanide Impurity 18 Bumetanide Impurity 18
LEVETIRACETAM-D6 LEVETIRACETAM-D6 1133229-30-7 C8H14N2O2
Bisoprolol Amlodipine Addition Impurity Bisoprolol Amlodipine Addition Impurity
Bisoprolol Impurity 46 Bisoprolol Impurity 46
Bisoprolol Impurity 37 Bisoprolol Impurity 37
6-Methyl-2,4-pteridinediamine 6-Methyl-2,4-pteridinediamine 708-74-7 C7H8N6
Docetaxel Impurity N Docetaxel Impurity N
Tegoprazan Impurity 14 Tegoprazan Impurity 14
Nirmatrelvir Impurity 7 Nirmatrelvir Impurity 7
4(1H)-Pyridinone, 2-(hydroxymethyl)-3,5-dimethyl- (9CI) 4(1H)-Pyridinone, 2-(hydroxymethyl)-3,5-dimethyl- (9CI) 220757-73-3 C8H11NO2
Rocuronium Bromide Impurity 19 、21、22 Rocuronium Bromide Impurity 19 、21、22
Flucloxacillin impurity D Flucloxacillin impurity D
Ritonavir EP Impurity STU Ritonavir EP Impurity STU
Letermovir Impurity 1 Letermovir Impurity 1
Roxadustat Impurity 16 Roxadustat Impurity 16
Perospirone Impurity 19 Perospirone Impurity 19
Dolutegravir Impurity 14(Sodium Salt) Dolutegravir Impurity 14(Sodium Salt)
Fondaparinux sodium impurity 5 Fondaparinux sodium impurity 5
Fondaparinux sodium impurity 20 Fondaparinux sodium impurity 20
Piperacillin Impurity R Piperacillin Impurity R
Lasmiditan Impurity 6 Lasmiditan Impurity 6
1-methylpyrrolidin-3-yl 2-(4-chlorophenyl)-2-cyclopentyl- 2-hydroxyacetate hydrochloride 1-methylpyrrolidin-3-yl 2-(4-chlorophenyl)-2-cyclopentyl- 2-hydroxyacetate hydrochloride
Lasmiditan Impurity 8 Lasmiditan Impurity 8
Ethacridine Impurity 10 Ethacridine Impurity 10 20304-71-6 C21H16N2O4
7-Methoxy-4-oxo-1,4-dihydroquinoline-6-carboxaMide 7-Methoxy-4-oxo-1,4-dihydroquinoline-6-carboxaMide 417724-81-3 C11H10N2O3
MILRINONE RELATED COMPOUND A (50 MG) (1,6-DIHYDRO-2-METHYL-6-OXO(3,4'-BIPYRIDINE)-5-CAR-BOXAMIDE) MILRINONE RELATED COMPOUND A (50 MG) (1,6-DIHYDRO-2-METHYL-6-OXO(3,4'-BIPYRIDINE)-5-CAR-BOXAMIDE) 80047-24-1 C12H11N3O2
PREDNICARBATE IMPURITY F PREDNICARBATE IMPURITY F
Bumetanide Impurity 3 Bumetanide Impurity 3
Cefoxitin EP Impurity F (S-methoxy cefoxitin) Cefoxitin EP Impurity F (S-methoxy cefoxitin)
((((3R,6S)-6-carbamoylpiperidin-3-yl)(ethoxycarbonyl)amino)oxy)sulfonic acid ((((3R,6S)-6-carbamoylpiperidin-3-yl)(ethoxycarbonyl)amino)oxy)sulfonic acid
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2514949-81-4 C20H28N4O2
alpha-[4-[2-(dimethylamino)ethoxy]phenyl]-beta-ethyl-alpha-phenylphenethyl alcohol alpha-[4-[2-(dimethylamino)ethoxy]phenyl]-beta-ethyl-alpha-phenylphenethyl alcohol 748-97-0 C26H31NO2
Brivaracetam Impurity 53 Brivaracetam Impurity 53
ethyl hydrogen [R-(R*,R*)]-tartrate ethyl hydrogen [R-(R*,R*)]-tartrate 608-89-9 C6H10O6
ethyl 2,2,4-trichloro-3-oxobutyrate ethyl 2,2,4-trichloro-3-oxobutyrate 85153-67-9 C6H7Cl3O3
Neodigoxin Neodigoxin 55576-67-5 C41H64O14
(S)-6-((R)-2-amino-2-phenylacetamido)-2,2-dimethyl-7-oxo-2,3,4,7-tetrahydro-1,4-thiazepine-3-carboxylic acid (S)-6-((R)-2-amino-2-phenylacetamido)-2,2-dimethyl-7-oxo-2,3,4,7-tetrahydro-1,4-thiazepine-3-carboxylic acid
(R,R)-Palonosetron N-Oxide (R,R)-Palonosetron N-Oxide C19H24N2O2
[R(R*,R*]-2-amino-1-[p-(methylsulphonyl)phenyl]propane-1,3-diol [R(R*,R*]-2-amino-1-[p-(methylsulphonyl)phenyl]propane-1,3-diol 51458-28-7 C10H15NO4S
16alpha,17,21-trihydroxypregna-1,4,9(11)-triene-3,20-dione 21-acetate 16alpha,17,21-trihydroxypregna-1,4,9(11)-triene-3,20-dione 21-acetate 77017-20-0 C23H28O6
Pyrimidine, 4-chloro-5-nitro-2-(propylthio)- Pyrimidine, 4-chloro-5-nitro-2-(propylthio)- 2518331-26-3 C7H8ClN3O2S
Oseltamivir Impurity 110 Oseltamivir Impurity 110
Oseltamivir Impurity 108 Oseltamivir Impurity 108
Oseltamivir Impurity 102 Oseltamivir Impurity 102
1H-Pyrazole-1-propanenitrile, 4-(6-amino-5-formyl-4-pyrimidinyl)-β-cyclopentyl-, (βR)- 1H-Pyrazole-1-propanenitrile, 4-(6-amino-5-formyl-4-pyrimidinyl)-β-cyclopentyl-, (βR)- 2606144-45-8 C16H18N6O
4-Piperidinecarboxylic acid, 1-(4-pyridinylcarbonyl)-, ethyl ester 4-Piperidinecarboxylic acid, 1-(4-pyridinylcarbonyl)-, ethyl ester 252263-38-0 C14H18N2O3
(S)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-1H-pyrrol-1-yl) ethyl)-5,6-dihydro-2H-pyran-2-one (S)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-1H-pyrrol-1-yl) ethyl)-5,6-dihydro-2H-pyran-2-one
1,4-bis(4-nitrophenyl)piperazine 1,4-bis(4-nitrophenyl)piperazine 16264-05-4 C16H16N4O4
di(2,4-xylyl) disulphide di(2,4-xylyl) disulphide 13616-83-6 C16H18S2
3-acetamidophthalic acid 3-acetamidophthalic acid 15371-06-9 C10H9NO5
Dexamethasone EP Impurity E Dexamethasone EP Impurity E 13209-41-1 C22H28O4
6-amino-5-formamido-1,3-dimethyluracil 6-amino-5-formamido-1,3-dimethyluracil 7597-60-6 C7H10N4O3
3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-2-yl)amino)piperidin-1-yl)-3-oxopropanenitrile 3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-2-yl)amino)piperidin-1-yl)-3-oxopropanenitrile 2374700-40-8 C16H20N6O
7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-2-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, (S)- (9CI) 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-2-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, (S)- (9CI) 129815-82-3 C18H20FN3O4
Piperazine, 1-[2-[(4-methoxyphenyl)methyl]-4-methylphenyl]- Piperazine, 1-[2-[(4-methoxyphenyl)methyl]-4-methylphenyl]- 769083-63-8 C19H24N2O
1,3-diisopropylurea 1,3-diisopropylurea 4128-37-4 C7H16N2O
Acetic acid, 2-[(5-bromo-2-pyridinyl)amino]-2-oxo-, ethyl ester Acetic acid, 2-[(5-bromo-2-pyridinyl)amino]-2-oxo-, ethyl ester 141354-54-3 C9H9BrN2O3
(S)-N-(1-Azabicyclo[2.2.2]oct-3-yl)-5,6,7,8-tetrahydro-1-naphthalenecarboxamide (S)-N-(1-Azabicyclo[2.2.2]oct-3-yl)-5,6,7,8-tetrahydro-1-naphthalenecarboxamide 135729-78-1 C18H24N2O
2-(2-(4-chlorobenzoyl)phenoxy)-2-methylpropanoic acid 2-(2-(4-chlorobenzoyl)phenoxy)-2-methylpropanoic acid
Olodaterol Impurity 31 Olodaterol Impurity 31
(S)-N-[(2S,4S,5S)-5-Amino-4-hydroxy-1,6-diphenylhexan-2-yl]-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanamide (S)-N-[(2S,4S,5S)-5-Amino-4-hydroxy-1,6-diphenylhexan-2-yl]-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanamide 192726-05-9 C27H38N4O3
2-Hydrazinoadenosine 2-Hydrazinoadenosine 15763-11-8 C10H15N7O4
N-Desmethyl Clarithromycin N-Desmethyl Clarithromycin 101666-68-6 C37H67NO13
Desacetylvinblastine hydrazide Desacetylvinblastine hydrazide 55383-37-4 C43H56N6O7
4-hydroxypyrrolidin-2-one 4-hydroxypyrrolidin-2-one 96820-00-7 C4H7NO2
glycopyrronium bromide glycopyrronium bromide 475468-09-8 C19H28NO3.Br
4'-hydroxyflurbiprofen 4'-hydroxyflurbiprofen 52807-12-2 C15H13FO3
D-biotin-d-sulfoxide D-biotin-d-sulfoxide 10406-89-0 C10H16N2O4S
3,4-dihydroxyphenylpyruvic acid 3,4-dihydroxyphenylpyruvic acid 4228-66-4 C9H8O5
delta(3)-cefotiam delta(3)-cefotiam 142182-63-6 C18H23N9O4S3
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