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Structure Chemical Name CAS MF
Pitavastatin Impurity 75 Pitavastatin Impurity 75
Solifenacin impurity 18 Solifenacin impurity 18 1243274-83-0 C14H17NO3
Febuxostat Impurity 100 Febuxostat Impurity 100
Tofacitinib Impurity 87 Tofacitinib Impurity 87
Febuxostat Impurity 101 Febuxostat Impurity 101
Tofacitinib Impurity 92 Tofacitinib Impurity 92
Amlodipine EP Impurity K Amlodipine EP Impurity K C26H31ClN2O8S
Febuxostat Impurity 105 Febuxostat Impurity 105
(S)-10-amino-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid (S)-10-amino-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Febuxostat Impurity 49 Febuxostat Impurity 49
Ticagrelor Impurity 129 Ticagrelor Impurity 129 1381841-36-6 C15H19NO3
Benzoic acid, 2-hydroxy-3-(2-phenyldiazenyl)- Benzoic acid, 2-hydroxy-3-(2-phenyldiazenyl)- 136819-59-5 C13H10N2O3
Budesonide Impurity 6 Budesonide Impurity 6 131918-73-5 C21H26O6
Timolol Impurity 1 Timolol Impurity 1 75014-25-4 C13H24N4O5S
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2Z)-(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-8-oxo-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin-3-yl)thio]methyl]-, 5-oxide, (6R,7R)- (9CI) 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2Z)-(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-8-oxo-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin-3-yl)thio]methyl]-, 5-oxide, (6R,7R)- (9CI) 97466-28-9 C18H18N8O8S3
Telmisartan EP-J Telmisartan EP-J 885045-90-9 C33H29ClN4O2
1,3-Benzenediamine, 4-methyl-N3-[4-methyl-6-(3-pyridinyl)-2-pyrimidinyl]- 1,3-Benzenediamine, 4-methyl-N3-[4-methyl-6-(3-pyridinyl)-2-pyrimidinyl]- 1032314-73-0 C17H17N5
5-methoxy-1-methyl-1H-benzo[d]imidazole-2-sulfonic acid 5-methoxy-1-methyl-1H-benzo[d]imidazole-2-sulfonic acid
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
Teneligliptin Impurity 17 Teneligliptin Impurity 17
1(3H)-Isobenzofuranone, 3-(1-methylpropyl)- 1(3H)-Isobenzofuranone, 3-(1-methylpropyl)- 261783-87-3 C12H14O2
Carbamic acid, N-[(1R)-2-[5-(2-fluoro-3-hydroxyphenyl)-3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3,6-dihydro-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-1-phenylethyl]-, 1,1-dimethylethyl ester Carbamic acid, N-[(1R)-2-[5-(2-fluoro-3-hydroxyphenyl)-3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3,6-dihydro-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-1-phenylethyl]-, 1,1-dimethylethyl ester 1062642-68-5 C32H30F5N3O5
2-Oxazolidinone, 5-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-, (5S)- 2-Oxazolidinone, 5-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-, (5S)- 2514942-86-8 C13H15NO4
6-Heptenoic acid, 7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-5-hydroxy-3-oxo-, (5S,6E)- 6-Heptenoic acid, 7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-5-hydroxy-3-oxo-, (5S,6E)- 1803023-43-9 C22H26FN3O6S
Drug impurity detection and analysis Drug impurity detection and analysis
1-Pyrrolidinecarboxamide, N-[5-[(2S)-2-(2,5-difluorophenyl)-1-pyrrolidinyl]pyrazolo[1,5-a]pyrimidin-3-yl]-3-hydroxy-, (3R)- 1-Pyrrolidinecarboxamide, N-[5-[(2S)-2-(2,5-difluorophenyl)-1-pyrrolidinyl]pyrazolo[1,5-a]pyrimidin-3-yl]-3-hydroxy-, (3R)- 2409590-08-3 C21H22F2N6O2
Sertraline Impurity 20 Sertraline Impurity 20 1498236-91-1 C16H14Cl2O
Budesonide Impurity 21 Budesonide Impurity 21
2H-3-Benzazepin-2-one, 3-(3-bromopropyl)-1,3,4,5-tetrahydro-7,8-dimethoxy- 2H-3-Benzazepin-2-one, 3-(3-bromopropyl)-1,3,4,5-tetrahydro-7,8-dimethoxy- 1192174-72-3 C15H20BrNO3
1-Cyclohexene-1-carboxylic acid, 4-(acetylamino)-3-(1-ethylpropoxy)-5-nitro-, ethyl ester, (3R,4R,5S)- 1-Cyclohexene-1-carboxylic acid, 4-(acetylamino)-3-(1-ethylpropoxy)-5-nitro-, ethyl ester, (3R,4R,5S)- 949164-64-1 C16H26N2O6
Peramivir Impurity 55 Peramivir Impurity 55
Peramivir Impurity 60 Peramivir Impurity 60
Hexanoic acid, 3-(hydroxymethyl)-, methyl ester, (3R)- Hexanoic acid, 3-(hydroxymethyl)-, methyl ester, (3R)- 2408196-94-9 C8H16O3
Loratadine EP Impurity L Loratadine EP Impurity L
Prasugrel Acetyl IMpurity Prasugrel Acetyl IMpurity 1443034-67-0 C18H18FNO3S
Propofol IMpurity G Propofol IMpurity G
SalMeterol IMpurity A SalMeterol IMpurity A C25H37NO4
3-([(TERT-ブチルトキシ)カルボニル]アミノ)-4-(2,4-ジフルオロフェニル)ブタン酸 3-([(TERT-ブチルトキシ)カルボニル]アミノ)-4-(2,4-ジフルオロフェニル)ブタン酸 851307-12-5 C15H19F2NO4
N-Boc-シタグリプチン N-Boc-シタグリプチン 486460-23-5 C21H23F6N5O3
SulbactaM IMpurity D SulbactaM IMpurity D
Pitavastatin Impurity 29 Pitavastatin Impurity 29 148516-15-8 C25H20FNO2
Rosuvastatin Related Compound 6 Rosuvastatin Related Compound 6 521973-99-9 C13H23ClO4
Medetomidine impurity Medetomidine impurity 2250243-44-6 C20H22N2O
Linagliptin Impurity 51 Linagliptin Impurity 51
Carfilzomib Impurity YGF Carfilzomib Impurity YGF
Pitavastatin Impurity 45 Pitavastatin Impurity 45 1258947-29-3 C29H32FNO4
Irinotecan Impurity L Irinotecan Impurity L
Irinotecan Impurity H Irinotecan Impurity H
LCZ696(valsartan + sacubitril) impurity 27 LCZ696(valsartan + sacubitril) impurity 27
Caspofungin Impurity EJT2 Caspofungin Impurity EJT2
(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-アミノ-4-ヒドロキシ-1,6-ジフェニルヘキサン-2-イル]-3-メチル-2-(2-オキソテトラヒドロピリミジン-1(2H)-イル)ブタンアミド (S)-N-[(2S,4S,5S)-5-アミノ-4-ヒドロキシ-1,6-ジフェニルヘキサン-2-イル]-3-メチル-2-(2-オキソテトラヒドロピリミジン-1(2H)-イル)ブタンアミド 192726-05-9 C27H38N4O3
2-Hydrazinoadenosine 2-Hydrazinoadenosine 15763-11-8 C10H15N7O4
N-Desmethyl Clarithromycin N-Desmethyl Clarithromycin 101666-68-6 C37H67NO13
3α-(ヒドラジノカルボニル)-3-デス(メトキシカルボニル)-4-O-デスアセチルビンカロイコブラスチン 3α-(ヒドラジノカルボニル)-3-デス(メトキシカルボニル)-4-O-デスアセチルビンカロイコブラスチン 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'-ヒドロキシ フルルビプロフェン 4'-ヒドロキシ フルルビプロフェン 52807-12-2 C15H13FO3
D-biotin-d-sulfoxide D-biotin-d-sulfoxide 10406-89-0 C10H16N2O4S
3,4-ジヒドロキシフェニルピルビン酸 3,4-ジヒドロキシフェニルピルビン酸 4228-66-4 C9H8O5
delta(3)-cefotiam delta(3)-cefotiam 142182-63-6 C18H23N9O4S3
alpha-(chloromethyl)-2-hydroxymethyl-5-nitroimidazole-1-ethanol alpha-(chloromethyl)-2-hydroxymethyl-5-nitroimidazole-1-ethanol 62580-79-4 C7H10ClN3O4
4-hydroxypenicillin V 4-hydroxypenicillin V 20880-67-5 C16H18N2O6S
ベナゼプリラト ベナゼプリラト 86541-78-8 C22H24N2O5
2-(4-ピペリジニル)ベンゾイミダゾール 2-(4-ピペリジニル)ベンゾイミダゾール 38385-95-4 C12H15N3
4-CHLORO-3,5-DIMETHYL 2-CHLORMETHYL PYRIDINE.HCL 4-CHLORO-3,5-DIMETHYL 2-CHLORMETHYL PYRIDINE.HCL 142885-96-9 C8H9Cl2N
1,3,5(10),9(11)-エストラテトラエン-3,17β-ジオール 1,3,5(10),9(11)-エストラテトラエン-3,17β-ジオール 791-69-5 C18H22O2
Pramipexole EP Impurity E Pramipexole EP Impurity E 106006-84-2 C10H15N3OS
4-フェニルモルホリン-3-オン 4-フェニルモルホリン-3-オン 29518-11-4 C10H11NO2
H 128/80 H 128/80 29122-74-5 C13H19NO3
4’-Hydroxy Atomoxetine -D-Glucuronide 4’-Hydroxy Atomoxetine -D-Glucuronide 540729-08-6 C23H29NO8
Decarboxy Ciprofloxacin Decarboxy Ciprofloxacin 105394-83-0 C16H18FN3O
ゾルピデム6-カルボン酸 ゾルピデム6-カルボン酸 109461-15-6 C19H19N3O3
テルミサルタンTERT-ブチルエステル テルミサルタンTERT-ブチルエステル 144702-26-1 C37H38N4O2
Amido Ethyl Meloxicam (Meloxicam Impurity) Amido Ethyl Meloxicam (Meloxicam Impurity) 881399-30-0 C16H17N3O4S2
3-メトキシ-2,4,5-トリフルオロベンゾイルクロリド 3-メトキシ-2,4,5-トリフルオロベンゾイルクロリド 112811-66-2 C8H4ClF3O2
2-メトキシベンズアルデヒドジメチルアセタール 2-メトキシベンズアルデヒドジメチルアセタール 58378-33-9 C10H14O3
N-(2-ベンゾイル-4-クロロフェニル)ホルムアミド N-(2-ベンゾイル-4-クロロフェニル)ホルムアミド 10352-28-0 C14H10ClNO2
6α-[(4-ヒドロキシフェニルアセチル)アミノ]ペニシラン酸ナトリウム 6α-[(4-ヒドロキシフェニルアセチル)アミノ]ペニシラン酸ナトリウム 5985-13-7 C16H19N2NaO5S
Valsartan N2-Trityl IMpurity Valsartan N2-Trityl IMpurity
Vardenafil IMpurity 3 Vardenafil IMpurity 3 1255919-01-7 C26H30N6O4S
Montelukast Cyclopropaneacetonitrile Montelukast Cyclopropaneacetonitrile 866923-62-8 C35H35ClN2OS
(2S,3R,4S,5S,6R)-2-(4-クロロ-3-(4-エトキシベンジル)フェニル)-6-(ヒドロキシメチル)-2-メトキシテトラヒドロ-2H-ピラン-3,4,5-トリオール (2S,3R,4S,5S,6R)-2-(4-クロロ-3-(4-エトキシベンジル)フェニル)-6-(ヒドロキシメチル)-2-メトキシテトラヒドロ-2H-ピラン-3,4,5-トリオール 461432-24-6 C22H27ClO7
Ezetimibe Impurity Ezetimibe Impurity 1510820-22-0 C24H23F2NO2
10,13-bissidechainpaclitaxel 10,13-bissidechainpaclitaxel
Istradefylline Impurity A Istradefylline Impurity A
(3R,4S)-1-benzyl-N,4-diMethylpiperidin-3-aMine dihydrochloride (3R,4S)-1-benzyl-N,4-diMethylpiperidin-3-aMine dihydrochloride C14H24Cl2N2
2-(((3-Methyl-4-nitropyridin-2-yl)Methyl)sulfinyl)-1H- benzo[d]iMidazole 2-(((3-Methyl-4-nitropyridin-2-yl)Methyl)sulfinyl)-1H- benzo[d]iMidazole 142384-07-4 C14H12N4O3S
Valsartan Desvaleryl Impurity Valsartan Desvaleryl Impurity 676129-92-3 C19H21N5O2
Istradefylline iMpurity Istradefylline iMpurity
(E)-オロパタジン塩酸塩 (E)-オロパタジン塩酸塩 949141-22-4 C21H24ClNO3
(3R,4R,5R)-3-(1-エチルプロポキシ)-4-ヒドロキシ-5-[(メチルスルホニル)オキシ]-1-シクロヘキセン-1-カルボン酸エチルエステル (3R,4R,5R)-3-(1-エチルプロポキシ)-4-ヒドロキシ-5-[(メチルスルホニル)オキシ]-1-シクロヘキセン-1-カルボン酸エチルエステル 204254-92-2 C15H26O7S
8-Hydroxy Pitavastatin 8-Hydroxy Pitavastatin 224320-09-6 C25H24FNO5
過酢酸アロイン 過酢酸アロイン 64951-96-8 C37H38O17
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