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Structure Chemical Name CAS MF
(S)-3-(4-(2,5-dibromobenzyl)phenoxy)tetrahydrofuran (S)-3-(4-(2,5-dibromobenzyl)phenoxy)tetrahydrofuran C17H16Br2O2
Fosaprepitant Impurity 1 Fosaprepitant Impurity 1
Venlafaxine Impurity 10 Venlafaxine Impurity 10 1997279-63-6 C17H27NO2
2,3'-Bipyridine, 5-chloro-3-[4-(methylsulfonyl)phenyl]-, hydrochloride (1:1) 2,3'-Bipyridine, 5-chloro-3-[4-(methylsulfonyl)phenyl]-, hydrochloride (1:1) 202409-39-0 C17H14Cl2N2O2S
Dextrorotation lansoprazole Impurity J Dextrorotation lansoprazole Impurity J
(2R,4S)-isopropyl5-([1,1'-biphenyl]-4-yl)-4-(2,5-dioxopyrrolidin-1- yl)-2-methylpentanoate (2R,4S)-isopropyl5-([1,1'-biphenyl]-4-yl)-4-(2,5-dioxopyrrolidin-1- yl)-2-methylpentanoate C25H29NO4
Cefoxitin EP Impurity B Cefoxitin EP Impurity B
N-(スルホオキシ)-4-メトキシ-1H-インドール-3-アセトイミド酸O-(β-D-グルコピラノシルチオ) N-(スルホオキシ)-4-メトキシ-1H-インドール-3-アセトイミド酸O-(β-D-グルコピラノシルチオ) 83327-21-3 C17H22N2O10S2
Rosuvastatin Impurity 4 Rosuvastatin Impurity 4 1899869-35-2 C19H22FN3O3S
Peramivir Impurity 999 Peramivir Impurity 999
(2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3-(4- hydroxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate (2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3-(4- hydroxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 1079083-63-8 C27H29ClO10
Desmethyl Erlotinib Acetate Desmethyl Erlotinib Acetate 183320-15-2 C23H23N3O5
1-(2,3-ジヒドロ-1,4-ベンゾジオキサン-2-カルボニル)ピペラジン塩酸塩 1-(2,3-ジヒドロ-1,4-ベンゾジオキサン-2-カルボニル)ピペラジン塩酸塩 70918-74-0 C13H17ClN2O3
Oseltamivir Impurity 26 Oseltamivir Impurity 26 241465-24-7
Cefminox Impurity A Cefminox Impurity A
Peramivir Intermediate Impurity 35 Peramivir Intermediate Impurity 35
glycopyrronium bromide glycopyrronium bromide 475468-09-8 C19H28NO3.Br
Tulobuterol Impurity Tulobuterol Impurity 34356-83-7 C8H5Br2ClO
Palbociclib-025 Palbociclib-025 2174002-16-3 C25H29N7O3
2-chloro-4-nitrophenyl-N-acetylglucosaminide 2-chloro-4-nitrophenyl-N-acetylglucosaminide 103614-82-0 C14H17ClN2O8
Ritonavir Impurity Ritonavir Impurity 1414933-89-3 C23H32N2O3
Rocuronium bromide Impurity 30 Rocuronium bromide Impurity 30 56240-11-0 C19H26O
N-(3-GUANIDINO-4-METHYLPHENYL)-4-(METHYLPIPERAZINE-1-YL-METHYL)BENZAMIDE N-(3-GUANIDINO-4-METHYLPHENYL)-4-(METHYLPIPERAZINE-1-YL-METHYL)BENZAMIDE 581076-65-5 C21H28N6O
Fulvestrant Impurity 4 Fulvestrant Impurity 4 1621885-82-2 C30H44O6S
Olaparib Impurity 23 Olaparib Impurity 23
Cefuroxime Dioxide Impurity(Cefuroxime Sulfoxide) Cefuroxime Dioxide Impurity(Cefuroxime Sulfoxide)
Penicillin EP Impurity A Penicillin EP Impurity A
Carbetocin S-Oxide I Carbetocin S-Oxide I
(1S,4R)-4-アミノ-2-シクロペンテン-1-カルボン酸メチル (1S,4R)-4-アミノ-2-シクロペンテン-1-カルボン酸メチル 138923-03-2 C7H11NO2
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
4-クロロ-6-(2-クロロエトキシ)-7-(2-メトキシエトキシ)キナゾリン 4-クロロ-6-(2-クロロエトキシ)-7-(2-メトキシエトキシ)キナゾリン 183322-19-2 C13H14Cl2N2O3
Posaconazole Impurity 71 Posaconazole Impurity 71
N-(2-(1-hydroxycyclohexyl)-2-(4-methoxyphenyl)ethyl)-N-methyl formamide N-(2-(1-hydroxycyclohexyl)-2-(4-methoxyphenyl)ethyl)-N-methyl formamide 1643948-40-6 C17H25NO3
Perampanel Impurity ABCDEFGHJKL Perampanel Impurity ABCDEFGHJKL
Bisoprolol Impurity 46 Bisoprolol Impurity 46
2'-アミノ-2-フルオロベンゾフェノン 2'-アミノ-2-フルオロベンゾフェノン 1581-13-1 C13H10FNO
Ropivacaine Impurity 12 Ropivacaine Impurity 12
Ramipril Related Compound A (30 mg) ((2S,3aS,6aS)-1-[(S)2-[[(S)-1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid) Ramipril Related Compound A (30 mg) ((2S,3aS,6aS)-1-[(S)2-[[(S)-1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid) 108313-11-7 C22H30N2O5
Sugammadex sodium Org198786-1 Impurity Sugammadex sodium Org198786-1 Impurity
Tigecycline Impurity E Tigecycline Impurity E
Carfilzomib Impurity E Carfilzomib Impurity E
Perospirone Impurity 21 Perospirone Impurity 21
Ropivacaine-iPr-R Ropivacaine-iPr-R 1050482-18-2 C17H26N2O
Atorvastatin Impurity E Intermediate Atorvastatin Impurity E Intermediate
Cefmetazole Impurity E Cefmetazole Impurity E
Pralatrexate Impurity 6 Pralatrexate Impurity 6
Febuxostat Impurity 109 Febuxostat Impurity 109
6-Methyl-2,4-pteridinediamine 6-Methyl-2,4-pteridinediamine 708-74-7 C7H8N6
1-((2'-cyanobiphenyl-4-yl)methyl)-4-methyl-2-propyl-1H-benzo[d]imidazole-6-carboxylic acid 1-((2'-cyanobiphenyl-4-yl)methyl)-4-methyl-2-propyl-1H-benzo[d]imidazole-6-carboxylic acid 1098100-87-8 C26H23N3O2
PLSQ-001 TM4-QJ PLSQ-001 TM4-QJ 1227162-74-4 C18H24N2O2
(1S,3S,7S,8S,8aR)-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H- pyran-2-yl)ethyl)-3,7-dimethyl-1,2,3,4,6,7,8,8a-octahydronaphthalen- 1-yl 2,2-dimethylbutanoate (1S,3S,7S,8S,8aR)-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H- pyran-2-yl)ethyl)-3,7-dimethyl-1,2,3,4,6,7,8,8a-octahydronaphthalen- 1-yl 2,2-dimethylbutanoate 132487-01-5 C25H40O5
Tofacitinib impurity N drops Tofacitinib impurity N drops
3β-[(2,6-ジデオキシ-β-D-ribo-ヘキソピラノシル)オキシ]-12β,14-ジヒドロキシ-5β,14β-カルダ-20(22)-エノリド 3β-[(2,6-ジデオキシ-β-D-ribo-ヘキソピラノシル)オキシ]-12β,14-ジヒドロキシ-5β,14β-カルダ-20(22)-エノリド 5352-63-6 C29H44O8
Peramivir Impurity C Peramivir Impurity C
Sofosbuvir Impurity13 Sofosbuvir Impurity13 220503-64-0 C38H31N3O9
Topiroxostat Impurity 46 Topiroxostat Impurity 46
3-[4-(トリフルオロメチル)フェニル]プロパン-1-オール 3-[4-(トリフルオロメチル)フェニル]プロパン-1-オール 180635-74-9 C10H11F3O
(3R,5R)-7-(2-(2-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid (3R,5R)-7-(2-(2-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid 2243639-98-5 C33H37CaFN2O5
Taladafil Impurity 38 Taladafil Impurity 38
(5R,6R)-6-((R)-1-hydroxyethyl)-3-((R)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-en-7-one (5R,6R)-6-((R)-1-hydroxyethyl)-3-((R)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-en-7-one
Ticagrelor Impurity 97 Ticagrelor Impurity 97
Febuxostat Impurity 25 Febuxostat Impurity 25 1643131-89-8 C17H20N2O4S
Canagliflozin Impurity 71 Canagliflozin Impurity 71
(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'- biphenyl]-4-yl)piperidine (trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'- biphenyl]-4-yl)piperidine 1217975-87-5 C25H24FNO3
Bumetanide Impurity 19 Bumetanide Impurity 19
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
Salbutamol impurity 41 Salbutamol impurity 41
Elagolix Impurity 41 Elagolix Impurity 41
Topiroxostat Impurity 44 Topiroxostat Impurity 44 1824131-48-7 C7H6N4O
7-cyclopentyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid hydrochloride 7-cyclopentyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid hydrochloride
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
Canagliflozin Impurity 59 Canagliflozin Impurity 59
ヘキサヒドロキシビフェニル ヘキサヒドロキシビフェニル 76625-61-1 C12H10O6
Apremilast Impurity CNA Apremilast Impurity CNA
2(1H)-Quinolinone, 5-[(1R)-1,2-dihydroxyethyl]-8-(phenylmethoxy)- 2(1H)-Quinolinone, 5-[(1R)-1,2-dihydroxyethyl]-8-(phenylmethoxy)- 1261219-83-3 C18H17NO4
4-[4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-α,α-dimethyl-benzeneacetic Acid 4-[4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-α,α-dimethyl-benzeneacetic Acid 1187954-57-9 C32H37NO3
Caspofungin Impurity QA Caspofungin Impurity QA
Cabozantinib impurity 67 Cabozantinib impurity 67
Vildagliptin Impurity ZA4 Vildagliptin Impurity ZA4
3,6-ジクロロピラジン-2-カルボキサミド 3,6-ジクロロピラジン-2-カルボキサミド 1023813-21-9 C5H3Cl2N3O
Fluvoxamine Impurity 10 Fluvoxamine Impurity 10
Istradefylline Impurity 2 Istradefylline Impurity 2 606080-73-3 C20H24N4O4
Peramivir Impurity F Peramivir Impurity F
Pemetrexed Impurity 42 Pemetrexed Impurity 42
AZD9291(Osimertinib) Impurity 5 AZD9291(Osimertinib) Impurity 5
D-2'-DEOXYRIBOFURANOSYL-3-GUANYLUREA (Α/Β-MIXTURE) D-2'-DEOXYRIBOFURANOSYL-3-GUANYLUREA (Α/Β-MIXTURE) 570410-72-9 C7H14N4O4
Ortho-Isomer of Dapagliflozin Ortho-Isomer of Dapagliflozin 2040305-05-1 C21H25ClO6
((2S,3S,5S)-3-ヒドロキシ-1,6-ジフェニルヘキサン-2,5-ジイル)ジカルバミン酸TERT-ブチル(チアゾール-5-イルメチル) ((2S,3S,5S)-3-ヒドロキシ-1,6-ジフェニルヘキサン-2,5-ジイル)ジカルバミン酸TERT-ブチル(チアゾール-5-イルメチル) 162849-95-8 C28H35N3O5S
Levosimendan Impurity 11 Levosimendan Impurity 11
Aids004544 Aids004544 145397-25-7 C8H10FN3O4
Flurbiprofen Impurity 5 Flurbiprofen Impurity 5 124635-84-3 C18H19FO4
LCZ Impurity LCZ Impurity 753421-85-1 C20H25NO2
Pemetrexed disodium Impurity 19 Pemetrexed disodium Impurity 19
Febuxostat Impurity 101 Febuxostat Impurity 101
Flucloxacillin Impurity 1 Flucloxacillin Impurity 1
Drug impurity detection and analysis Drug impurity detection and analysis
Peramivir Intermediate Impurity 42 Peramivir Intermediate Impurity 42
(trans)-4-Propyl-1-methyl-L-proline (trans)-4-Propyl-1-methyl-L-proline 13380-36-4 C9H17NO2
Nintedanib Impurity 50 Nintedanib Impurity 50 2410284-90-9 C56H52N8O8
Dapagliflozin Impurity 1 Dapagliflozin Impurity 1
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