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Structure Chemical Name CAS MF
Acetamide, N-(4-hydroxyphenyl)-N-nitroso- Acetamide, N-(4-hydroxyphenyl)-N-nitroso- 146897-60-1 C8H8N2O3
3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]- 3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]- 2402776-83-2 C16H17N7O2S
Iohexol ImpuritiesE Iohexol ImpuritiesE
TERT-BUTYL (R)-6-CHLORO-5-HYDROXY-3-OXOHEXANOATE TERT-BUTYL (R)-6-CHLORO-5-HYDROXY-3-OXOHEXANOATE 404958-08-3 C10H17ClO4
2-(3-(4-(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl)-1H-pyrazol-1-yl)-1-(ethylsulfonyl)azetidin-3-yl)acetonitrile 2-(3-(4-(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl)-1H-pyrazol-1-yl)-1-(ethylsulfonyl)azetidin-3-yl)acetonitrile
8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-yl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine 8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-yl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine
	Bumetanide Photodegradable Impurity 16 Bumetanide Photodegradable Impurity 16
Bisoprolol Impurity 47 Bisoprolol Impurity 47
Gadobutrol Impurity 11(Ammonium salt) Gadobutrol Impurity 11(Ammonium salt)
Flomoxef Impurity F Flomoxef Impurity F
Tegoprazan Impurity 15 Tegoprazan Impurity 15
Nirmatrelvir Impurity 8 Nirmatrelvir Impurity 8
Nirmatrelvir Impurity 2 Nirmatrelvir Impurity 2
(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanamine hydrochloride (5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanamine hydrochloride
Rocuronium Bromide Impurity 24 、25 Rocuronium Bromide Impurity 24 、25
Roxadustat Impurity 17 Roxadustat Impurity 17
Perospirone Impurity 20 Perospirone Impurity 20 1002359-81-0
Dolutegravir Impurity 19 Dolutegravir Impurity 19
Cephalexin Impurity I Cephalexin Impurity I
Fondaparinux sodium impurity 6 Fondaparinux sodium impurity 6
	Fondaparinux sodium impurity 2 Fondaparinux sodium impurity 2
Oxacillin sodium  Impurity I Oxacillin sodium Impurity I
Mixture of Cefoxitin  Impurity E&F Mixture of Cefoxitin Impurity E&F
Revefenacin Impurity 22 Revefenacin Impurity 22
Lasmiditan Impurity 7 Lasmiditan Impurity 7
Febuxostat impurity BAC Febuxostat impurity BAC
4-(3,4-DICHLOROPHENYL)-1,2,3,4-TETRAHYDRO-1-NAPHTHALENOL 4-(3,4-DICHLOROPHENYL)-1,2,3,4-TETRAHYDRO-1-NAPHTHALENOL 866018-46-4 C16H14Cl2O
Lasmiditan Impurity 9 Lasmiditan Impurity 9
Letermovir Impurity 2 Letermovir Impurity 2
1H-Imidazole-2-carboxylic acid 1H-Imidazole-2-carboxylic acid 16042-25-4 C4H4N2O2
Olodaterol Impurity 19 Olodaterol Impurity 19
Ethacridine Impurity 12 Ethacridine Impurity 12
(-)-Nebivolol (-)-Nebivolol 118457-16-2 C22H25F2NO4
5-Hydroxymethyl Flucloxacillin 5-Hydroxymethyl Flucloxacillin 75524-31-1 C19H17ClFN3O6S
6-Hydroxy-5-methoxy-1-indanone 6-Hydroxy-5-methoxy-1-indanone 90843-62-2 C10H10O3
N-Desmethylvinblastine N-Desmethylvinblastine 18172-50-4 C45H56N4O9
Rabeprazole Sulfone Rabeprazole Sulfone 117976-47-3 C18H21N3O4S
6-BROMO-3 H-ISOBENZOFURAN-1-ONE 6-BROMO-3 H-ISOBENZOFURAN-1-ONE 19477-73-7 C8H5BrO2
TOPOTECANACETATE TOPOTECANACETATE 123948-88-9 C25H27N3O7
dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarb oxylate dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarb oxylate 21829-09-4 C17H18N2O6
Metronidazole IMpurity (1-Methyl-4-Nitro-1H-IMidazole) Metronidazole IMpurity (1-Methyl-4-Nitro-1H-IMidazole) 143508-97-8 C2H3NO
(S)-Phenylephrine hydrochloride (S)-Phenylephrine hydrochloride 939-38-8 C9H14ClNO2
L-erythro-3-(3,4-Dihydroxyphenyl)serine L-erythro-3-(3,4-Dihydroxyphenyl)serine 34047-62-6 C9H11NO5
ethylmethylglycinexylidide ethylmethylglycinexylidide 74634-66-5 C13H20N2O
riboflavin 3',5'-bisphosphate riboflavin 3',5'-bisphosphate 86108-26-1 C17H22N4O12P2
6 beta-hydroxycortisol 6 beta-hydroxycortisol 53-35-0 C21H30O6
16-hydroxyclarithromycin 16-hydroxyclarithromycin 124412-58-4 C38H69NO14
1-(4-Isobutylphenyl)ethanol 1-(4-Isobutylphenyl)ethanol 40150-92-3 C12H18O
TRIMETHYL(3-HYDROXYPHENYL)AMMONIUMIODIDE TRIMETHYL(3-HYDROXYPHENYL)AMMONIUMIODIDE 2498-27-3 C9H14INO
methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate 22032-65-1 C12H14N2O2
(5-BENZYLIDENE-4-OXO-2-THIOXO-THIAZOLIDIN-3-YL)-ACETIC ACID (5-BENZYLIDENE-4-OXO-2-THIOXO-THIAZOLIDIN-3-YL)-ACETIC ACID 82159-06-6 C12H9NO3S2
1-Ethinyl-3-nitrobenzol 1-Ethinyl-3-nitrobenzol 3034-94-4 C8H5NO2
3-(4-Methylimidazol-1-yl)-5-trifluoromethylbenzoic acid 3-(4-Methylimidazol-1-yl)-5-trifluoromethylbenzoic acid 641571-13-3 C12H9F3N2O2
3-Morpholinopropyl bromide 3-Morpholinopropyl bromide 125422-83-5 C7H14BrNO
(6R-trans)-3-Methyl-8-oxo-7-(phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-carbonsure (6R-trans)-3-Methyl-8-oxo-7-(phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-carbonsure 27255-72-7 C16H16N2O4S
O-PROPIONYLBENZOIC ACID O-PROPIONYLBENZOIC ACID 2360-45-4 C10H10O3
3-METHOXY-L-TYROSINE 3-METHOXY-L-TYROSINE 300-48-1 C10H13NO4
Triacetyl Aloe-emodin (Impurity A) Triacetyl Aloe-emodin (Impurity A) 25395-11-3 C21H16O8
2,4'-Diamino[sulfonylbisbenzene] 2,4'-Diamino[sulfonylbisbenzene] 27147-69-9 C12H12N2O2S
[(p-Tolyloxy)methyl]oxiran [(p-Tolyloxy)methyl]oxiran 2186-24-5 C10H12O2
3-Hydroxyazobenzene 3-Hydroxyazobenzene 2437-11-8
7-CHLORO-1-ETHYL-6-FLUORO-4-OXO-1,4-DIHYDRO-[1,8]NAPHTHYRIDINE-3-CARBOXYLIC ACID 7-CHLORO-1-ETHYL-6-FLUORO-4-OXO-1,4-DIHYDRO-[1,8]NAPHTHYRIDINE-3-CARBOXYLIC ACID 79286-73-0 C11H8ClFN2O3
HYDRIDE-L HYDRIDE-L 41639-74-1 C18H22O4
2-Amino-4-trifluoromethoxybenzothiazole 2-Amino-4-trifluoromethoxybenzothiazole 235101-36-7 C8H5F3N2OS
7-[(4S)-4-Amino-6-azaspiro[2.4]heptan-6-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-4-oxoquinoline-3-carboxylic acid 7-[(4S)-4-Amino-6-azaspiro[2.4]heptan-6-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-4-oxoquinoline-3-carboxylic acid 127254-10-8 C19H18ClF2N3O3
Sitagliptin Carbamoyl -D-Glucuronide Sitagliptin Carbamoyl -D-Glucuronide 940002-59-5 C23H23F6N5O9
5-Hydroxy Desloratadine 5-Hydroxy Desloratadine 117811-12-8 C19H19ClN2O
O-Benzyl Posaconazole O-Benzyl Posaconazole 170985-86-1 C44H48F2N8O4
(4-Carboxy-3-ethoxy)phenyl Acetic Acid (Repaglinide Impurity) (4-Carboxy-3-ethoxy)phenyl Acetic Acid (Repaglinide Impurity) 220438-80-2 C11H12O5
2-Chloromethyl-3,5-dimethylpyridin-4-ol 2-Chloromethyl-3,5-dimethylpyridin-4-ol 220771-03-9 C8H10ClNO
2-Methyl-6-[(4-methylphenyl)sulfonyl]-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine 2-Methyl-6-[(4-methylphenyl)sulfonyl]-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine 717917-14-1 C19H19N3O2S
(1R-4S)-4-[[(1,1-dimethylethoxy)carbonyl]amino]- 2-Cyclopentene-1-carboxylic acid methyl ester (1R-4S)-4-[[(1,1-dimethylethoxy)carbonyl]amino]- 2-Cyclopentene-1-carboxylic acid methyl ester 251326-99-5 C12H19NO4
O-Isobutyryl (R)-Fesoterodine O-Isobutyryl (R)-Fesoterodine 1208313-13-6 C30H43NO4
Isopropyl Itraconazole Isopropyl Itraconazole 89848-49-7 C34H36Cl2N8O4
(R)-(-)-Ibuprofen-d3 (R)-(-)-Ibuprofen-d3 121702-86-1 C13H18O2
(S,R,S,S)-Orlistat (S,R,S,S)-Orlistat 111466-63-8 C29H53NO5
N-Trityl Candesartan Ethyl Ester N-Trityl Candesartan Ethyl Ester 856414-35-2 C45H38N6O3
Regorafenib Impurity 11 Regorafenib Impurity 11 2512204-88-3 C19H18ClFN4O3
Topiroxostat Impurity 2 Topiroxostat Impurity 2 445218-61-1 C12H11N5O
Fluvastatin Impurity 1 Fluvastatin Impurity 1 C24H26FNO4
Lornoxicam Impurity 7 Lornoxicam Impurity 7
Prednisolone Impurity A Prednisolone Impurity A C21H28O5
Tofacitinib Impurity 6 Tofacitinib Impurity 6 1640972-35-5 C16H22N6O
1-(4-Ethylphenyl)-2-methyl-2-propen-1-one 1-(4-Ethylphenyl)-2-methyl-2-propen-1-one 70639-76-8 C12H14O
Ceftriaxone Sodium impurity Ceftriaxone Sodium impurity
Ivabradine Impurity 5 Ivabradine Impurity 5 1462470-54-7 C27H38N2O6
(S)-3-((R)-5-(4-fluorophenyl)-5-hydroxy-2-((E)-4-hydroxybenzylidene)pentanoyl)-4-phenyloxazolidin-2-one (S)-3-((R)-5-(4-fluorophenyl)-5-hydroxy-2-((E)-4-hydroxybenzylidene)pentanoyl)-4-phenyloxazolidin-2-one C27H24FNO5
Chlorpromazine EP impurity B Chlorpromazine EP impurity B 19077-20-4 C21H28ClN3S
Belinostat Z-isomer Belinostat Z-isomer 1884227-58-0 C15H14N2O4S
Canagliflozin Impurity 13 Canagliflozin Impurity 13
Carfilzomib Impurity 1 Carfilzomib Impurity 1
Dapagliflozin Impurity 14 Dapagliflozin Impurity 14 2271248-78-1 C21H25ClO6
Ibrutinib Impurity 13 Ibrutinib Impurity 13
Linagliptin Impurity 26 Linagliptin Impurity 26 2446799-71-7 C20H17BrN6O2
Nintedanib Impurity 13 (Intedanib Impurity 13) Nintedanib Impurity 13 (Intedanib Impurity 13)
vildagliptin Impurity E vildagliptin Impurity E 1789703-37-2 C17H25N3O2
Sitagliptin Impurity 1 Sitagliptin Impurity 1 823817-55-6 C16H15F6N5O
Niraparib metabolite M1 Niraparib metabolite M1 1476777-06-6 C19H19N3O2
Amlodipine Impurity 16 Amlodipine Impurity 16 C26H31ClN2O8S
Edoxaban Impurity 11 (1R,2R,4S) Edoxaban Impurity 11 (1R,2R,4S) 480451-98-7 C21H30ClN5O5
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