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Structure Chemical Name CAS MF
Cefminox Impurity 5 Cefminox Impurity 5
Cyclobenzaprine Impurity 3 Cyclobenzaprine Impurity 3 24167-44-0 C15H11BrO
Emtricitabine Impurity 16 Emtricitabine Impurity 16 1160303-44-5 C8H10FN3O4S
Etoricoxib Impurity 44 Etoricoxib Impurity 44
Irbesartan Impurity 15 Irbesartan Impurity 15 C25H28N6O
Linagliptin Impurity 54 Linagliptin Impurity 54
Ornidazole Impurity 13 Ornidazole Impurity 13 1685275-23-3 C7H10N3O6P.Na
Oseltamivir Impurity 44 Oseltamivir Impurity 44
Oseltamivir Impurity 51 Oseltamivir Impurity 51
Palbociclib Impurity 47 Palbociclib Impurity 47
Rosuvastatin Impurity 98 Rosuvastatin Impurity 98
Sildenafil Impurity 38 Sildenafil Impurity 38 C22H30N6O4S
Tenofovir Impurity 70 Tenofovir Impurity 70
Ticagrelor Impurity 122 Ticagrelor Impurity 122
Tofacitinib Impurity 111 Tofacitinib Impurity 111 2374700-37-3 C27H31N5O2S
Trelagliptin Impurity 41 Trelagliptin Impurity 41
Carbocistein Impurity D Carbocistein Impurity D
Ranitidine impurity F Ranitidine impurity F C13H22N4O3S
Mirabegron Impurity 21 Mirabegron Impurity 21
Clopidogrel Impurity 12 Clopidogrel Impurity 12 C15H14ClNO2S
Oseltamivir Impurity 25 Oseltamivir Impurity 25
Ritonavir EP Impurity P Ritonavir EP Impurity P
Tacrolimus Impurity 4 Tacrolimus Impurity 4 686773-61-5 C44H69NO12
methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3- oxopropanoate hydrochloride methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3- oxopropanoate hydrochloride C16H24ClNO5
Vitamin E Impurity 3 Vitamin E Impurity 3 1560705-69-2 C29H50O2
(trans)-phenyl3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'-biphenyl]-3-yl)piperidine-1-carboxylate (trans)-phenyl3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'-biphenyl]-3-yl)piperidine-1-carboxylate C32H28FNO5
Cefraprazole impurity Cefraprazole impurity
3β-トシルオキシ-5α-アンドロスタン-17-オン 3β-トシルオキシ-5α-アンドロスタン-17-オン 10429-07-9 C26H36O4S
Cabozantinib Impurity 48 Cabozantinib Impurity 48 202916-99-2 C17H15NO3
Landiolol impurity R Landiolol impurity R
6-Oxo-Palonosetron 6-Oxo-Palonosetron 848074-10-2 C19H22N2O2
Teneligliptin Impurity 8 Teneligliptin Impurity 8
(trans)-4-(4'-fluoro-[1,1'-biphenyl]-3-yl)-1-methylpiperidin-3-yl) methanol (trans)-4-(4'-fluoro-[1,1'-biphenyl]-3-yl)-1-methylpiperidin-3-yl) methanol
2,4(1H,3H)-Pyrimidinedione, 3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-6-methyl- 2,4(1H,3H)-Pyrimidinedione, 3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-6-methyl- 2354391-45-8 C13H10F4N2O2
Cyclopropane, nitroso- Cyclopropane, nitroso- 28017-92-7 C3H5NO
Hyoscine Butylbromide EP Impurity D Hyoscine Butylbromide EP Impurity D
Carbetocin Impurity 1 Carbetocin Impurity 1
Carboprost Trometamol Impurity A Carboprost Trometamol Impurity A
Procaine Impurity 2 Procaine Impurity 2 C13H20N2O2
Triphenylmethanol (Zidovudine impurity) Triphenylmethanol (Zidovudine impurity) C19H16O
Benzenesulfonamide, 2-(5-methyl-3-phenyl-4-isoxazolyl)- Benzenesulfonamide, 2-(5-methyl-3-phenyl-4-isoxazolyl)- 2304623-35-4 C16H14N2O3S
N-(4-methyl-3-((5-(pyridin-3-yl) N-(4-methyl-3-((5-(pyridin-3-yl)
7-methyl-3,4-dihydropyrimido 7-methyl-3,4-dihydropyrimido
Dapagliflozin Impurity (MW: 425Da) Dapagliflozin Impurity (MW: 425Da)
Oseltamivir Impurity (MW:468Da) Oseltamivir Impurity (MW:468Da)
Levothyroxine – Impurity 5 Levothyroxine – Impurity 5
Ibuprofen IPA impurity Ibuprofen IPA impurity
Voriconazole Impurity 19 Voriconazole Impurity 19 321589-01-9 C26H28F3N5O4S
Beclometasone Impurity B Beclometasone Impurity B
(3R)-Nmethyl-3-(3-methylphenoxy)-3-phenylpropan-1-amine (3R)-Nmethyl-3-(3-methylphenoxy)-3-phenylpropan-1-amine 1643684-05-2 C17H22ClNO
Caspofungin Impurity 6 Caspofungin Impurity 6
Erythromycin Impurity 3 Erythromycin Impurity 3 1357466-70-6 C38H69N3O13S
Itraconazole iMpurity 6 Itraconazole iMpurity 6
りん酸メチルビス(4-ニトロフェニル) りん酸メチルビス(4-ニトロフェニル) 799-87-1 C13H11N2O8P
DecitaBine Impurity 10 DecitaBine Impurity 10
Empagliflozin Impurity 17 Empagliflozin Impurity 17 2452301-27-6 C23H28O7
Erlotinib Impurity 31 Erlotinib Impurity 31
Everolimus impurity C Everolimus impurity C
Ezetimibe Impurity 28 Ezetimibe Impurity 28
Gadobutrol Impurity 4 (Gd-DOTA) Gadobutrol Impurity 4 (Gd-DOTA)
Losartan Impurity 3 Losartan Impurity 3
Cilastatin EP Impurity G Cilastatin EP Impurity G
Rosuvastatin Impurity 122 Rosuvastatin Impurity 122 135999-58-5 C6H7ClO3
Modafinil Impurity B (Modafinil Sulfone) Modafinil Impurity B (Modafinil Sulfone)
Perindopril Impurity III (Perindoprilat), formerly known as: Perindopril Impurity S9780 (Perindoprilat) Perindopril Impurity III (Perindoprilat), formerly known as: Perindopril Impurity S9780 (Perindoprilat)
Tinidazole Impurity B Tinidazole Impurity B
Nimodipine Metabolite 3 Nimodipine Metabolite 3 82219-48-5 C20H22N2O7
N-デメチルロキシトロマイシン N-デメチルロキシトロマイシン 118267-18-8 C40H74N2O15
SULPIRIDE IMPURITY A SULPIRIDE IMPURITY A
Androst-2-en-17-one, (5β)- Androst-2-en-17-one, (5β)- 82467-84-3 C19H28O
(6α,11β)-11,21-Dihydroxy-6-methyl-pregna-1,4-diene-3,20-dione (6α,11β)-11,21-Dihydroxy-6-methyl-pregna-1,4-diene-3,20-dione 103744-18-9 C22H30O4
2,5-Thiazolylmethyl Diacarbonate 2,5-Thiazolylmethyl Diacarbonate 144142-33-6 C28H30N4O5S2
4-(2-Chloroethyl)-N-methoxy-N,α,α-trimethyl-benzeneacetamide 4-(2-Chloroethyl)-N-methoxy-N,α,α-trimethyl-benzeneacetamide 1638785-17-7 C14H20ClNO2
Cefuroxime Impurity A Double-Bond Shift Impurity Cefuroxime Impurity A Double-Bond Shift Impurity
4-(difluoromethoxy)-N1-((3,4-dimethoxypyridin-2-yl)methyl)benzene-1,2-diamine 4-(difluoromethoxy)-N1-((3,4-dimethoxypyridin-2-yl)methyl)benzene-1,2-diamine 2641896-99-1 C15H17F2N3O3
Peramivir Impurity 21 Peramivir Impurity 21
Dapagliflozin Impurity 165 Dapagliflozin Impurity 165 342043-51-0 C18H18O4
3'-Desethoxy Drotaverine Hydrochloride 3'-Desethoxy Drotaverine Hydrochloride 85475-87-2 C22H28ClNO4
(S)-dimethyl 2-(4-(4-oxobutyl)benzamido)pentanedioate (S)-dimethyl 2-(4-(4-oxobutyl)benzamido)pentanedioate 1081974-98-2 C18H23NO6
Peramivir Impurity 38 Peramivir Impurity 38
(3S)-3-((S)-1-oxo-3a,4,5,6-tetrahydro-1H-benzo[de]isoquinolin-2(3H)-yl)quinuclidine 1-oxide (3S)-3-((S)-1-oxo-3a,4,5,6-tetrahydro-1H-benzo[de]isoquinolin-2(3H)-yl)quinuclidine 1-oxide
2-(4-hydroxy-1-methyl-7-phenoxy-5,6,7,8-tetrahydroisoquinoline-3-carboxamido)acetic acid 2-(4-hydroxy-1-methyl-7-phenoxy-5,6,7,8-tetrahydroisoquinoline-3-carboxamido)acetic acid
6-HYDROXYLAMINOURACIL 6-HYDROXYLAMINOURACIL 20555-88-8 C4H5N3O2
Dapagliflozin Dapagliflozin 639852-30-5 C19H44O5Si4
Cabozantinib impurity 52 Cabozantinib impurity 52
Canagliflozin Impurity 71 Canagliflozin Impurity 71
N-((4-(5-methyl-2-phenyloxazol-4-yl)phenyl)sulfonyl)propionamide N-((4-(5-methyl-2-phenyloxazol-4-yl)phenyl)sulfonyl)propionamide 2242749-02-4 C19H18N2O4S
Dapoxetine impurity 67 Dapoxetine impurity 67
2-[4-(4-クロロベンゾイル)フェノキシ]-2-メチルプロパン酸エチル 2-[4-(4-クロロベンゾイル)フェノキシ]-2-メチルプロパン酸エチル 42019-08-9 C19H19ClO4
2-(5-Acetyl-2-ethoxyphenyl)-5-methyl-7-propyl-imidazo[5,1-f][1,2,4]triazin-4(1H)-one 2-(5-Acetyl-2-ethoxyphenyl)-5-methyl-7-propyl-imidazo[5,1-f][1,2,4]triazin-4(1H)-one 358390-43-9 C19H22N4O3
Empagliflozin Impurity 80 Empagliflozin Impurity 80
Empagliflozin Impurity 92 Empagliflozin Impurity 92
Iohexol Impurity N Iohexol Impurity N
Dolutegravir Impurity 7 Dolutegravir Impurity 7 2244161-71-3 C20H21N3O5
Istradefylline Impurity F Istradefylline Impurity F
Linagliptin Impurity 22 Linagliptin Impurity 22
Nintedanib impurity G Nintedanib impurity G 894783-61-0 C30H31N5O4
3,3′-[(2-methylbenzene-1,3-diyl)bis(oxy)]bis(N-methyl- 3-phenylpropan-1-amine) 3,3′-[(2-methylbenzene-1,3-diyl)bis(oxy)]bis(N-methyl- 3-phenylpropan-1-amine) 1010818-93-5 C27H34N2O2
Febuxostat impurity 36 Febuxostat impurity 36 1805770-40-4 C12H12N2O
N-[1-[(3R)-1-(1-oxo-2-propen-1-yl)-3-piperidinyl]-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]- 2-Propenamide N-[1-[(3R)-1-(1-oxo-2-propen-1-yl)-3-piperidinyl]-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]- 2-Propenamide 2031255-27-1 C28H26N6O3
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