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Structure Chemical Name CAS MF
Oxybutynin Impurity(MW 481Da) Oxybutynin Impurity(MW 481Da)
Vitamin K1 hydroxylated Impurity Vitamin K1 hydroxylated Impurity
2,2'-(4,10-bis((trans)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid 4HCl 2,2'-(4,10-bis((trans)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid 4HCl
Cefdinir CP Impurity F Cefdinir CP Impurity F
Ceftazidime Oxide Impurity 1 Ceftazidime Oxide Impurity 1
Nifuratel Impurity 21 Nifuratel Impurity 21
Ornidazole Impurity 15 Ornidazole Impurity 15 105687-87-4 C7H9ClN4O5
2-(Dimethylamino)ethyl 4-methylbenzenesulfonate 2-(Dimethylamino)ethyl 4-methylbenzenesulfonate 123091-15-6 C11H17NO3S
Vildagliptin I Impurity Vildagliptin I Impurity 1811569-16-0 C7H9IN2O
Pregabalin Impurity 38 Pregabalin Impurity 38 1141362-94-8 C8H15NO2
6,6'-oxybis(3-formylbenzonitrile) 6,6'-oxybis(3-formylbenzonitrile)
4-乙基-2,3-二氧代-N-苯基哌嗪-1-甲酰胺 4-乙基-2,3-二氧代-N-苯基哌嗪-1-甲酰胺 65322-79-4 C13H15N3O3
Cabozantinib Impurity EXA Cabozantinib Impurity EXA 1431468-36-8 C17H14F2N2O2
Tafluprost Impurity 13 Tafluprost Impurity 13
GLICLAZIDE IMPURITY B GLICLAZIDE IMPURITY B
ISOPROMETHAZINE HYDROCHLORIDE ISOPROMETHAZINE HYDROCHLORIDE 5568-90-1 C17H21ClN2S
2-(4-メチルフェニル)-N,N,7-トリメチルイミダゾ[1,2-a]ピリジン-3-アセトアミド 2-(4-メチルフェニル)-N,N,7-トリメチルイミダゾ[1,2-a]ピリジン-3-アセトアミド 1346600-85-8 C19H21N3O
Carbamic acid, N-[(1S,2S,4S)-2-hydroxy-4-[[(2-methylpropoxy)carbonyl]amino]-5-phenyl-1-(phenylmethyl)pentyl]-, 5-thiazolylmethyl ester Carbamic acid, N-[(1S,2S,4S)-2-hydroxy-4-[[(2-methylpropoxy)carbonyl]amino]-5-phenyl-1-(phenylmethyl)pentyl]-, 5-thiazolylmethyl ester 1010809-39-8 C28H35N3O5S
Piperazine, 1,4-bis[2-[(2,4-dimethylphenyl)thio]phenyl]- Piperazine, 1,4-bis[2-[(2,4-dimethylphenyl)thio]phenyl]- 2243045-82-9 C32H34N2S2
2-amino-4-methoxy-5-(3-morpholin-4-ylpropoxy)benzoic acid 2-amino-4-methoxy-5-(3-morpholin-4-ylpropoxy)benzoic acid 1640351-46-7 C15H22N2O5
3-Desoxyvitamin D3 3-Desoxyvitamin D3 69662-75-5 C27H44
cis-Vitamin K2 cis-Vitamin K2 65061-19-0 C31H40O2
N,N'-((5-methylisoxazole-3,4-diyl)bis(3,1-phenylenesulfonyl))dipropionamide disodium salt N,N'-((5-methylisoxazole-3,4-diyl)bis(3,1-phenylenesulfonyl))dipropionamide disodium salt
Zanubrutinib Impurity Zanubrutinib Impurity
(O-Isobutyryl (R)-Fesoterodine (O-Isobutyryl (R)-Fesoterodine 1795786-25-2 C30H43NO4
Cefdinir Degradation Impurity 1 Cefdinir Degradation Impurity 1
Cephalexin Impurity C2 Cephalexin Impurity C2
Cefalexin Ethyl Homolog 2 Impurity Cefalexin Ethyl Homolog 2 Impurity
Piperacillin Impurity P Piperacillin Impurity P
1,1'-(((2R,2'R,4R,4'R)-4,4'-(oxybis(methylene))bis(2-(2,4-difluoro phenyl)tetrahydrofuran-4,2-diyl))bis(methylene))bis(1H-1,2,4-triazole) 1,1'-(((2R,2'R,4R,4'R)-4,4'-(oxybis(methylene))bis(2-(2,4-difluoro phenyl)tetrahydrofuran-4,2-diyl))bis(methylene))bis(1H-1,2,4-triazole) 2256739-22-5 C28H28F4N6O3
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
Levosimendan Impurity 16 Levosimendan Impurity 16 2290570-69-1 C11H12N2O
Tolvaptan Impurity 11 Tolvaptan Impurity 11 331947-69-4 C16H14ClNO2
(S)-2-((R)-2,5-dioxo-3-propylpyrrolidin-1-yl)butanamide (S)-2-((R)-2,5-dioxo-3-propylpyrrolidin-1-yl)butanamide 2432911-31-2 C11H18N2O3
(S)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide (S)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide
Peramivir Impurity 17 Peramivir Impurity 17
Norepinephrine EP Impurity D Norepinephrine EP Impurity D 1932110-67-2 C9H13NO3
Olaparib Impurity 4 Olaparib Impurity 4
Paclitaxel EP Impurity M Paclitaxel EP Impurity M
Parecoxib Sodium Impurity H Parecoxib Sodium Impurity H 501093-49-8 C16H14N2O4S
Posaconazole Impurity 10 Posaconazole Impurity 10
Posaconazole Impurity 63 Posaconazole Impurity 63 208187-15-9 C20H26F2O4
(S)-4,5,6,7-Tetrahydro-N2,N6-propionyl-2,6-benzothiazolediaMine (S)-4,5,6,7-Tetrahydro-N2,N6-propionyl-2,6-benzothiazolediaMine 1373869-91-0 C11H17N3O2
SofosBuvir impurity 62 SofosBuvir impurity 62
Tamoxifen EP Impurity E Tamoxifen EP Impurity E C26H29NO
Tenofovir impurity P Tenofovir impurity P
Tirofiban Impurity 3 Tirofiban Impurity 3 1346918-32-8 C13H19NO5S
Trelagliptin Impurity 19 Trelagliptin Impurity 19
N-((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine oxide N-((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine oxide 2028267-73-2 C16H20N6O2
D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[(4-methoxyphenyl)methyl]phenyl]-, (1S)- D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[(4-methoxyphenyl)methyl]phenyl]-, (1S)- 333359-90-3 C20H23ClO6
Flucloxacillin Sodium Impurity E Flucloxacillin Sodium Impurity E
Amifostine Impurity 1 Amifostine Impurity 1
Clindamycin Phosphate EP Impurity H Clindamycin Phosphate EP Impurity H
2-Thia-5-azabicyclo[2.2.1]heptane-5-carboxylic acid, 3-oxo-, (4-nitrophenyl)methyl ester, (1S,4S)- 2-Thia-5-azabicyclo[2.2.1]heptane-5-carboxylic acid, 3-oxo-, (4-nitrophenyl)methyl ester, (1S,4S)- 151072-00-3 C13H12N2O5S
Brexpiprazole Impurity Brexpiprazole Impurity 2116542-21-1 C38H40N4O4S
4-(1-(2,3-dimethylphenyl)propyl)-1H-imidazole 4-(1-(2,3-dimethylphenyl)propyl)-1H-imidazole 86347-62-8 C14H18N2
Atomoxetine EP Impurity A Atomoxetine EP Impurity A 873310-33-9 C16H20ClNO
Famciclovir Impurity 12 Famciclovir Impurity 12 122497-20-5 C12H15N5O4
Levofloxacin Impurity 22 Levofloxacin Impurity 22 177472-29-6 C20H25F2N3O4
Methylprednisolone EP Impurity E Methylprednisolone EP Impurity E 229019-44-7 C21H28O4
Pantoprazole Impurity 1 Pantoprazole Impurity 1 812664-93-0 C16H14ClF2N3O4S
Ticagrelor Related Compound 38D-Tartrate Ticagrelor Related Compound 38D-Tartrate 2165881-71-8 C10H19NO4
1-(1-BENZOTHIOPHEN-7-YL)PIPERAZINE 1-(1-BENZOTHIOPHEN-7-YL)PIPERAZINE 105685-06-1 C12H14N2S
4-methyl-N-(2-methyl-5-nitrophenyl)-6-(pyridin-3-yl)pyrimidin-2-amine 4-methyl-N-(2-methyl-5-nitrophenyl)-6-(pyridin-3-yl)pyrimidin-2-amine C17H15N5O2
trans-Carboprost trans-Carboprost 76498-29-8 C21H36O5
N-[[2'-(1H-テトラゾール-5-イル)[1,1'-ビフェニル]-4-イル]メチル]アミン N-[[2'-(1H-テトラゾール-5-イル)[1,1'-ビフェニル]-4-イル]メチル]アミン 147225-68-1 C14H13N5
MFFANMLJBOSKIX-UHFFFAOYSA-N MFFANMLJBOSKIX-UHFFFAOYSA-N 352457-34-2 C9H13N5O2
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
methyl (2E)-3-(methylamino)but-2-enoate methyl (2E)-3-(methylamino)but-2-enoate 21759-69-3 C6H11NO2
Entecavir Impurity 5 Entecavir Impurity 5 84868-56-4 C21H20O2
Bisoprolol-d5 Bisoprolol-d5 1189881-87-5 C18H31NO4
4-(2-HYDROXY-3-ISOPROPYLAMINO-PROPOXY)-BENZOIC ACID METHYL ESTER 4-(2-HYDROXY-3-ISOPROPYLAMINO-PROPOXY)-BENZOIC ACID METHYL ESTER 33947-97-6 C14H21NO4
3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-2-[1-[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]pentan-2-yl]-1,3-diazaspiro[4.4]non-1-en-4-one 3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-2-[1-[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]pentan-2-yl]-1,3-diazaspiro[4.4]non-1-en-4-one 1346598-52-4 C39H38N10O
5-METHYL-3-NITROMETHYL-HEXANOIC ACID 5-METHYL-3-NITROMETHYL-HEXANOIC ACID 181289-21-4 C8H15NO4
N-メチル-4-(3,4-ジクロロフェニル)テトラリン-1-アミン N-メチル-4-(3,4-ジクロロフェニル)テトラリン-1-アミン 140631-53-4 C17H17Cl2N
(S)-ethyl 2-(4-hydroxy-2-oxopyrrolidin-1-yl)acetate (S)-ethyl 2-(4-hydroxy-2-oxopyrrolidin-1-yl)acetate 870695-39-9 C8H13NO4
4-(3-(4-(cyclopropanecarbonyl)piperazine-1-carbonyl)-4-hydroxybenzyl)phthalazin-1(2H)-one 4-(3-(4-(cyclopropanecarbonyl)piperazine-1-carbonyl)-4-hydroxybenzyl)phthalazin-1(2H)-one C24H24N4O4
Diquafosol Impurity 2 Diquafosol Impurity 2 63785-59-1 C18H25N4O20P3
N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-2,2'-dichloro-N-methyl-7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-amine N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-2,2'-dichloro-N-methyl-7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-amine 2459302-87-3 C26H26Cl2N8
(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(2,2-dichloroacetyl) -2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate (1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(2,2-dichloroacetyl) -2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate 1598416-08-0 C22H18Cl2N2O5
PANTOPRAZOLE N-OXIDE SODIUM SALT PANTOPRAZOLE N-OXIDE SODIUM SALT 1279822-90-0 C16H16F2N3NaO5S
3-ヒドロキシチオベンズアミド 3-ヒドロキシチオベンズアミド 104317-54-6 C7H7NOS
Tadalafil impurity 38 Tadalafil impurity 38 185750-07-6 C14H15ClN2O3
Fulvestrant impurity H Fulvestrant impurity H
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
4-アミノ-1-メチル-5-プロピル-1H-ピラゾール-3-カルボキサミド 4-アミノ-1-メチル-5-プロピル-1H-ピラゾール-3-カルボキサミド 247583-78-4 C8H14N4O
カペシタビン-D11 カペシタビン-D11 1132662-08-8 C15H13D11FN3O6
Bendamustine Related Impurity 2 Bendamustine Related Impurity 2
Bendamustine Related Impurity 7 Bendamustine Related Impurity 7
Bortezomib Impurity 25 Bortezomib Impurity 25
Bortezomib Impurity 40 Bortezomib Impurity 40
Edoxaban Impurity 28 (1R,2R,4R) Edoxaban Impurity 28 (1R,2R,4R) 1255529-38-4 C21H30ClN5O5
Linagliptin Impurity 31 Linagliptin Impurity 31
Olopatadine Impurity 1 Olopatadine Impurity 1 66801-40-9 C15H10O4
Paroxetine Impurity 12 Paroxetine Impurity 12
Rivaroxaban Impurity 69 DiHCl Rivaroxaban Impurity 69 DiHCl
Sitafloxacin Impurity 5 Sitafloxacin Impurity 5 1630983-99-1 C15H12ClF4NO3
Ticagrelor Related Compound 92 Ticagrelor Related Compound 92
Valsartan Impurity 10 Valsartan Impurity 10 1314799-74-0 C23H29N5O
Vonoprazan Impurity 23 Vonoprazan Impurity 23
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