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Structure Chemical Name CAS MF
(S)-1-メトキシ-2-メチルオキシ-3-ヒドロキシ-7-アセチルアミノ-10-メチルチオ-6,7-ジヒドロベンゾ[a]ヘプタレン-9(5H)-オン (S)-1-メトキシ-2-メチルオキシ-3-ヒドロキシ-7-アセチルアミノ-10-メチルチオ-6,7-ジヒドロベンゾ[a]ヘプタレン-9(5H)-オン 87424-25-7 C21H23NO5S
2,6-di-tert-butyl-4-methylene-2,5-cyclohexadienone 2,6-di-tert-butyl-4-methylene-2,5-cyclohexadienone 2607-52-5 C15H22O
(4S)-2-アセチル-3,5β,6α,10,12,12aβ-ヘキサヒドロキシ-4β-(ジメチルアミノ)-6-メチル-1,4,4aβ,5,5aβ,6,11,12a-オクタヒドロナフタセン-1,11-ジオン (4S)-2-アセチル-3,5β,6α,10,12,12aβ-ヘキサヒドロキシ-4β-(ジメチルアミノ)-6-メチル-1,4,4aβ,5,5aβ,6,11,12a-オクタヒドロナフタセン-1,11-ジオン 6542-44-5 C23H25NO8
6,8,11-トリヒドロキシ-1-メトキシ-5,12-ナフタセンジオン(DOXORUBICIN IMPURITY) 6,8,11-トリヒドロキシ-1-メトキシ-5,12-ナフタセンジオン(DOXORUBICIN IMPURITY) 64845-67-6 C19H12O6
(S)-4-(4-Nitrobenzyl)-2-oxazolidinone (S)-4-(4-Nitrobenzyl)-2-oxazolidinone 139264-55-4 C10H10N2O4
2-(4-Hydroxymethylphenyl)phenylsulfonamide 2-(4-Hydroxymethylphenyl)phenylsulfonamide 158144-55-9 C15H14O3
4-[2-(シクロプロピルメトキシ)エチル]フェノール 4-[2-(シクロプロピルメトキシ)エチル]フェノール 63659-16-5 C12H16O2
2-(2-クロロエチル)チオフェン 2-(2-クロロエチル)チオフェン 19995-38-1 C6H7ClS
N-Methyl Pantoprazole, mixture of 1 and 3 isomers N-Methyl Pantoprazole, mixture of 1 and 3 isomers 624742-53-6 C17H17F2N3O4S
rel-(αR*,α'S*)-1-メチル-α,α'-ジフェニル-2α*,6α*-ピペリジンジエタノール rel-(αR*,α'S*)-1-メチル-α,α'-ジフェニル-2α*,6α*-ピペリジンジエタノール 552-72-7 C22H29NO2
4-Amino-1-3,5-di-O-benzoyl-2-deoxy-2,2-difluoro-a-D-erythro-pentofuranosyl)-2(1H)-pyrimidinone 4-Amino-1-3,5-di-O-benzoyl-2-deoxy-2,2-difluoro-a-D-erythro-pentofuranosyl)-2(1H)-pyrimidinone 134790-40-2 C23H19F2N3O6
9'-DESMETHYL GRANISETRON (グラニセトロン不純物C) 9'-DESMETHYL GRANISETRON (グラニセトロン不純物C) 160177-67-3 C17H22N4O
3-[4-[エチル]フェノキシ]-1-(イソプロピルアミノ)-2-プロパノール 3-[4-[エチル]フェノキシ]-1-(イソプロピルアミノ)-2-プロパノール 67193-95-7 C14H23NO2
3,5-ビス(ベンジルオキシ)安息香酸ベンジル 3,5-ビス(ベンジルオキシ)安息香酸ベンジル 50513-72-9 C28H24O4
[(2,3-ジヒドロ-1,5-ジメチル-3-オキソ-2-フェニル-1H-ピラゾール-4-イル)アミノ]メタンスルホン酸 [(2,3-ジヒドロ-1,5-ジメチル-3-オキソ-2-フェニル-1H-ピラゾール-4-イル)アミノ]メタンスルホン酸 117-38-4 C12H15N3O4S
4-メチルけい皮酸エチル 4-メチルけい皮酸エチル 24393-49-5 C12H14O2
3-(2-ヒドロキシエチル)アミノプロピオニトリル 3-(2-ヒドロキシエチル)アミノプロピオニトリル 33759-44-3 C5H10N2O
2-アミノ-5-ブロモベンズアルデヒド 2-アミノ-5-ブロモベンズアルデヒド 29124-57-0 C7H6BrNO
(R)-1-(2-チエニル)-3-(メチルアミノ)-1-プロパノール (R)-1-(2-チエニル)-3-(メチルアミノ)-1-プロパノール 116539-57-2 C8H13NOS
3-OXO-3,4-DIHYDROPYRAZINE-2-CARBONITRILE 3-OXO-3,4-DIHYDROPYRAZINE-2-CARBONITRILE 81411-78-1 C5H3N3O
RP 48497 (Eszopiclone Impurity C) RP 48497 (Eszopiclone Impurity C) 148891-53-6 C11H7ClN4O
3-(1-methyl-1H-indole-3-carbonyl)hexanedioic acid 3-(1-methyl-1H-indole-3-carbonyl)hexanedioic acid 1352491-75-8 C16H17NO5
デクラジノースロキシスロマイシン (ROXITHROMロキシトロマイシン不純物B デクラジノースロキシスロマイシン (ROXITHROMロキシトロマイシン不純物B 214902-82-6 C33H62N2O12
Unii-o0p4I5851i Unii-o0p4I5851i 139563-29-4 C28H37ClN4O2S
デヒドロモナコリンK デヒドロモナコリンK 109273-98-5 C24H34O4
(2b,3a,16b,17b)-2,16-Bispiperidino-3,17-diacetoxy-5-androstane (2b,3a,16b,17b)-2,16-Bispiperidino-3,17-diacetoxy-5-androstane 13529-31-2 C33H54N2O4
Palbociclib Impurity 59 Palbociclib Impurity 59 1430196-98-7 C14H20N4O4
Landiolol impurity Z Landiolol impurity Z
Vitamin K1 Impurity 1 Vitamin K1 Impurity 1 19274-66-9 C31H46O2
Teneligliptin Impurity 13 Teneligliptin Impurity 13
Ceftazidime EP Impurity D Ceftazidime EP Impurity D 73547-69-0 C45H44N6O7S2
Nicergoline EP Impurity G Nicergoline EP Impurity G 57935-65-6 C23H24BrN3O2
Benzenesulfonamide, 4-[5-(4-methylphenyl)-2-oxido-3-(trifluoromethyl)-1H-pyrazol-1-yl]- Benzenesulfonamide, 4-[5-(4-methylphenyl)-2-oxido-3-(trifluoromethyl)-1H-pyrazol-1-yl]- 2356153-95-0 C17H14F3N3O3S
2-Pyrrolidinecarbonitrile, 1-(2-aminoacetyl)-, hydrochloride (1:1), (2S)- 2-Pyrrolidinecarbonitrile, 1-(2-aminoacetyl)-, hydrochloride (1:1), (2S)- 913980-23-1 C7H12ClN3O
Lamivudine Impurity 7 Lamivudine Impurity 7 147126-63-4 C14H24O4S
EsCitalopram EP Impurity I EsCitalopram EP Impurity I 1370643-22-3 C20H21FN2O
(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine (trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine 127017-42-9 C21H25NO4
Methylprednisolone Impurity 21 Methylprednisolone Impurity 21 150899-33-5 C22H28O4
Epinephrine Impurity 7 Epinephrine Impurity 7 62322-82-1 C9H11NO3
(trans)-4-((2-amino-4,6-dibromobenzyl)amino)cyclohexanol (trans)-4-((2-amino-4,6-dibromobenzyl)amino)cyclohexanol C13H18Br2N2O
Fesoterodine Impurity 14 Fesoterodine Impurity 14
Dexamethasone EP impurities E Dexamethasone EP impurities E
(R)-N-((S)-2-aminobutanoyl)-3-(bromomethyl)hexanamide (R)-N-((S)-2-aminobutanoyl)-3-(bromomethyl)hexanamide C11H21BrN2O2
Empagliflozin Impurity 57（R,R） Empagliflozin Impurity 57（R,R）
Aripiprazole peroxide degradation Impurity (MW:303Da) Aripiprazole peroxide degradation Impurity (MW:303Da)
Pramipexole Impurity Reference Pramipexole Impurity Reference
2,2'-(4,10-bis((trans)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid Gd3+ 2,2'-(4,10-bis((trans)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid Gd3+
3-[4-(acetyloxymethyl)phenyl]-2-propenoic acid methyl ester 3-[4-(acetyloxymethyl)phenyl]-2-propenoic acid methyl ester 100688-45-7 C13H14O4
Acetaminophen Impurity 14 Acetaminophen Impurity 14 1991204-56-8 C16H18N2O2
Ketoconazole Impurity 7 Ketoconazole Impurity 7 172032-21-2 C11H12Cl2O3
Rosuvastatin Impurity 59 Rosuvastatin Impurity 59
Losartan Impurity 12 Losartan Impurity 12 727718-93-6 C22H22ClN9
benzyl (2S)-2-amino-3-(4-methanesulfonylphenyl)propanoate hydrochloride benzyl (2S)-2-amino-3-(4-methanesulfonylphenyl)propanoate hydrochloride 1865726-28-8 C17H19NO4S
Glycopyrrolate Impurity 12 Glycopyrrolate Impurity 12 857353-41-4 C13H14O3
(4S,4aR,5R,12aS)-4-(dimethylamino)-3,5,10,11,12a-pentahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide (4S,4aR,5R,12aS)-4-(dimethylamino)-3,5,10,11,12a-pentahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide 4660-26-8 C22H22N2O8
Regorafenib Impurity 38 Regorafenib Impurity 38
Cefazolin Impurity 28 Cefazolin Impurity 28
Vonoprazan Impurity 57 Vonoprazan Impurity 57
Tafluprost Impurity 9 Tafluprost Impurity 9 2099033-66-4 C27H41NO8
2H-3-Benzazepin-2-one, 3-[3-[[[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-1,3,4,5-tetrahydro-5-hydroxy-7,8-dimethoxy- 2H-3-Benzazepin-2-one, 3-[3-[[[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-1,3,4,5-tetrahydro-5-hydroxy-7,8-dimethoxy- 2253977-80-7 C27H36N2O6
Benzeneacetic acid, 3-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethyl-, methyl ester Benzeneacetic acid, 3-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethyl-, methyl ester 1187954-56-8 C33H41NO4
N-[2-(methylthio)ethyl]-2-[(3,3,3-trifluoropropyl)thio]-Adenosine 5''-(hydrogen P-1H-imidazol-1-ylphosphonate) N-[2-(methylthio)ethyl]-2-[(3,3,3-trifluoropropyl)thio]-Adenosine 5''-(hydrogen P-1H-imidazol-1-ylphosphonate) 1054332-15-8 C19H25F3N7O6PS2
N-[5-(4-Bromophenyl)-6-[2-(2-pyrimidinyloxy)ethoxy]-4-pyrimidinyl]-N''-propyl-sulfamide N-[5-(4-Bromophenyl)-6-[2-(2-pyrimidinyloxy)ethoxy]-4-pyrimidinyl]-N''-propyl-sulfamide 2211059-00-4 C19H21BrN6O4S
Isomer 1 of Tazobactam Impurity 3 Isomer 1 of Tazobactam Impurity 3
Ceftiofur USP Impurity I Ceftiofur USP Impurity I
Cephalexin Degradation Impurity A Cephalexin Degradation Impurity A
Pregabalin-8687（mixture of 4 isomers） Pregabalin-8687（mixture of 4 isomers）
7-(2-chloropropanoyl)-5H-chromeno[2,3-b]pyridin-5-one 7-(2-chloropropanoyl)-5H-chromeno[2,3-b]pyridin-5-one
1-(5H-chromeno[2,3-b]pyridin-7-yl)-2-methoxypropan-1-one 1-(5H-chromeno[2,3-b]pyridin-7-yl)-2-methoxypropan-1-one
(E)-4-chloro-6-(3-(2,4-difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)but-3-en-2-yl)-5-fluoropyrimidine (E)-4-chloro-6-(3-(2,4-difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)but-3-en-2-yl)-5-fluoropyrimidine
Dolutegravir Impurity C Dolutegravir Impurity C 1802141-49-6 C22H23F2N3O5
Dapoxetine Impurity 68 Dapoxetine Impurity 68 119357-48-1 C19H18O
Tobramycin Impurity Tobramycin Impurity 74501-86-3 C18H35N5O8
Peramivir Impurity 24 Peramivir Impurity 24
2-CHLORO-6-AMINO-9-(2',3',5'-TRI-O-ACETYL--D-RIBOFURANOSYL)PURINE 2-CHLORO-6-AMINO-9-(2',3',5'-TRI-O-ACETYL--D-RIBOFURANOSYL)PURINE 79999-39-6 C16H18ClN5O7
Sugammadex sodium Impurity 46 Sugammadex sodium Impurity 46
Tenofovir Impurity 103 Tenofovir Impurity 103
Cabozantinib impurity 44 Cabozantinib impurity 44
Cabozantinib impurity 40 Cabozantinib impurity 40
Cabozantinib impurity 74 Cabozantinib impurity 74
Doxofylline Impurity 25 Doxofylline Impurity 25
2-メトキシ-4-[(E)-1-プロペニル]フェノール 2-メトキシ-4-[(E)-1-プロペニル]フェノール 5932-68-3 C10H12O2
3-アミノ-5-[(メチルチオ)メチル]オキサゾリジン-2-オン 3-アミノ-5-[(メチルチオ)メチル]オキサゾリジン-2-オン 25517-72-0 C5H10N2O2S
Phosphonic acid, [[2-(6-amino-9H-purin-9-yl)propoxy]methyl]- (9CI) Phosphonic acid, [[2-(6-amino-9H-purin-9-yl)propoxy]methyl]- (9CI) 107021-20-5 C9H14N5O4P
Sitagliptin EP Impurity 7 Sitagliptin EP Impurity 7
Sitagliptin EP Impurity H Sitagliptin EP Impurity H
7-Benzofurancarboxamide, 4-amino-5-chloro-2,3-dihydro-3-hydroxy-N-[1-(3-methoxypropyl)-4-piperidinyl]- 7-Benzofurancarboxamide, 4-amino-5-chloro-2,3-dihydro-3-hydroxy-N-[1-(3-methoxypropyl)-4-piperidinyl]- 2636673-48-6 C18H26ClN3O4
Beprostatin impurity 4 Beprostatin impurity 4
N-(メトキシカルボニル)-p-トルエンスルホンアミド N-(メトキシカルボニル)-p-トルエンスルホンアミド 14437-03-7 C9H11NO4S
(1R,2R,4S,5S,7s,9r)-9-butyl-9-methyl-7-((2-phenylacryloyl)oxy)-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium (1R,2R,4S,5S,7s,9r)-9-butyl-9-methyl-7-((2-phenylacryloyl)oxy)-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium 786598-71-8 C21H28NO3+
(S)-レパグリニドエチルエステル (REPAGLINIDE IMPURITY) (S)-レパグリニドエチルエステル (REPAGLINIDE IMPURITY) 147770-06-7 C29H40N2O4
4-Chloro-2-(chloromethyl)-3-Methyl Pyridine Hydrochloride 4-Chloro-2-(chloromethyl)-3-Methyl Pyridine Hydrochloride 152402-97-6 C7H8Cl3N
4-(3-CYANO-2-METHYLPROPIONYL)ACETAMILIDE 4-(3-CYANO-2-METHYLPROPIONYL)ACETAMILIDE 42075-21-8
Erythromycin, 6-O-Methyl-2',4'-Bis-O-(Trimethylsilyl)-, 9-[O-(1-Methoxy-1-Methylethyl)Oxime] Erythromycin, 6-O-Methyl-2',4'-Bis-O-(Trimethylsilyl)-, 9-[O-(1-Methoxy-1-Methylethyl)Oxime] 119699-81-9 C48H94N2O14Si2
(R)-8-(3-aminopiperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-7-(3-oxobutyl)-3,7-dihydro-1H-purine-2,6-dione (R)-8-(3-aminopiperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-7-(3-oxobutyl)-3,7-dihydro-1H-purine-2,6-dione
Isavuconazole Impurity 37 Isavuconazole Impurity 37
N-((R)-1-(((R)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide N-((R)-1-(((R)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide 1375004-39-9 C29H39BN4O4
(S)-1-(2-(((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)amino)acetyl)pyrrolidine-2-carbonitrile (S)-1-(2-(((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)amino)acetyl)pyrrolidine-2-carbonitrile
Mannitol EP impurity B Mannitol EP impurity B
Mannitol EP impurity A Mannitol EP impurity A
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