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Structure Chemical Name CAS MF
4-ヒドロキシ-2-オキソ-1-ピロリジン酢酸エチル 4-ヒドロキシ-2-オキソ-1-ピロリジン酢酸エチル 62613-81-4 C8H13NO4
Parecoxib Impurity 4 Parecoxib Impurity 4 57736-10-4 C14H13NO
(3R,4R)-3-[(6-amino-4-pyrimidinyl)methylamino]-4-methyl-β-oxo-1-Piperidinepropanenitrile (3R,4R)-3-[(6-amino-4-pyrimidinyl)methylamino]-4-methyl-β-oxo-1-Piperidinepropanenitrile 1640971-60-3 C14H20N6O
(1S,2R,3R)-Aprepitant (1S,2R,3R)-Aprepitant 1242175-34-3 C23H21F7N4O3
Bortezomib Impurity Z Bortezomib Impurity Z
2-Chloro-4-nitrobenzaldehyde 2-Chloro-4-nitrobenzaldehyde 5568-33-2 C7H4ClNO3
2-(3,7-ジメチル-2,6-オクタジエニル)-5-ペンチル-1,3-ベンゼンジオール 2-(3,7-ジメチル-2,6-オクタジエニル)-5-ペンチル-1,3-ベンゼンジオール 2808-33-5
6-アミノ-3-クロロイミダゾ[1,2-A]ピリジン 6-アミノ-3-クロロイミダゾ[1,2-A]ピリジン 1094463-26-9 C7H6ClN3
Olmesartan Medoxomil Impurity 4 Olmesartan Medoxomil Impurity 4 95579-71-8 C5H5ClO3
2-(tert-butylamino)-1-(4-ethoxy-3-(hydroxymethyl)phenyl)ethanol 2-(tert-butylamino)-1-(4-ethoxy-3-(hydroxymethyl)phenyl)ethanol 2387728-91-6 C15H25NO3
Apixaban IMpurity 3 Apixaban IMpurity 3 1801881-18-4 C25H25N5O4
FaMotidine Acid IMpurity Methyl Ester FaMotidine Acid IMpurity Methyl Ester 76824-14-1 C9H14N4O2S2
For the determination of impurities in Propylene For the determination of impurities in Propylene
OPIACE reference substance OPIACE reference substance
Peramivir Impurity Peramivir Impurity 383910-24-5 C18H30N2O5
2,5-ジヒドロキシ-3-メチル-6-(14-ノナデセニル)-2,5-シクロヘキサジエン-1,4-ジオン 2,5-ジヒドロキシ-3-メチル-6-(14-ノナデセニル)-2,5-シクロヘキサジエン-1,4-ジオン 19833-20-6 C26H42O4
Phenol, 4,4′-sulfonylbis-, Polymer mit 1,1′-Oxibis[2-chlorethan], EO 2-12 mol (75 % EO 2-6 mol) Phenol, 4,4′-sulfonylbis-, Polymer mit 1,1′-Oxibis[2-chlorethan], EO 2-12 mol (75 % EO 2-6 mol) 191680-83-8 (C12H10O4S.C4H8Cl2O)x
5-(2-FLUOROPHENYL)-1-(PYRIDIN-2-YLSULFONYL)-1H-PYRROLE-3-CARBALDEHYDE 5-(2-FLUOROPHENYL)-1-(PYRIDIN-2-YLSULFONYL)-1H-PYRROLE-3-CARBALDEHYDE 928324-73-6 C16H11FN2O3S
4-Amino-6-ethoxy-5-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]azo]-α-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]hydrazono]-2-pyrimidineacetonitrile 4-Amino-6-ethoxy-5-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]azo]-α-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]hydrazono]-2-pyrimidineacetonitrile 618458-79-0 C30H30N12O3
2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid 2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid 407582-48-3 C12H8N2O3S
Ampicillin EP Impurity M Ampicillin EP Impurity M 62326-82-3 C32H38N6O8S2
Clopidogrel EP Impurity B HCl Clopidogrel EP Impurity B HCl 1396607-35-4 C16H17Cl2NO2S
TaMsulosin EP IMpurity D TaMsulosin EP IMpurity D 1799280-05-9 C19H26N2O5S
For the determination of impurities in lsobutylene For the determination of impurities in lsobutylene
Metronidazole Impurity 10 Metronidazole Impurity 10 56750-04-0 C7H11N3O3
Iguratimod Impurity 10 Iguratimod Impurity 10 149456-97-3 C18H20N2O6S
Pitavastatin Impurity 10 Pitavastatin Impurity 10
(S)-1-(2-Chloroacetyl)pyrrolidine-2-carboxaMide (S)-1-(2-Chloroacetyl)pyrrolidine-2-carboxaMide 214398-99-9 C7H11ClN2O2
Parecoxib Sodium EJF Parecoxib Sodium EJF 2338845-31-9 C32H24N2O4S
Cilastatin Impurity C Cilastatin Impurity C
Peramivir Impurity 31 Peramivir Impurity 31 2758048-80-3 C15H28N2O4
Milrinone Impurity Milrinone Impurity 1443528-67-3
Cefditoren Pivoxil Dimer Cefditoren Pivoxil Dimer
3-chloro-N,N-dimethyl-1-phenylpropan-1-amine hydrochloride 3-chloro-N,N-dimethyl-1-phenylpropan-1-amine hydrochloride 81402-53-1 C11H17Cl2N
Ampicillin Glycolylurea Analogue Ampicillin Glycolylurea Analogue
3-Isobutylglutarimid 3-Isobutylglutarimid 916982-10-0 C9H15NO2
3-O-Methylcarbidopa 3-O-Methylcarbidopa 85933-19-3 C11H16N2O4
1,8,1',8'-tetrahydroxybisanthrone 1,8,1',8'-tetrahydroxybisanthrone 31991-54-5 C28H18O6
α-メチル-4-(2-メチルプロピル)ベンゼンアセトアミド α-メチル-4-(2-メチルプロピル)ベンゼンアセトアミド 59512-17-3 C13H19NO
(6E)-9,10-セココレスタ-5(10),6,8-トリエン-3β-オール (6E)-9,10-セココレスタ-5(10),6,8-トリエン-3β-オール 17592-07-3 C27H44O
Afatinib iMpurity Afatinib iMpurity 1680184-59-1 C24H25ClFN5O3
2-メチル-5-ニトロ-1H-イミダゾール-1-酢酸エチル 2-メチル-5-ニトロ-1H-イミダゾール-1-酢酸エチル 1016-40-6 C8H11N3O4
Fulvestrant Sterol DiMer Fulvestrant Sterol DiMer
Cephalonium lactone Cephalonium lactone 10590-10-0 C14H12N2O4S2
8-cyclopentyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-6-vinylpyrido[2,3-d]pyrimidin-7(8H)-one 8-cyclopentyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-6-vinylpyrido[2,3-d]pyrimidin-7(8H)-one 2204863-06-7 C24H29N7O
cefotaxiMe IMpurity A cefotaxiMe IMpurity A
ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5- carboxylate ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5- carboxylate 2073891-59-3 C15H13NO5S
2-CHLORO-1-(4-ISOBUTYLPHENYL)PROPAN-1-ONE 2-CHLORO-1-(4-ISOBUTYLPHENYL)PROPAN-1-ONE 80336-66-9 C13H17ClO
3-オキソ-4-プレグネン-20β-アルデヒド 3-オキソ-4-プレグネン-20β-アルデヒド 3986-89-8 C22H32O2
N-Desbutyl-N-propyl BuMetanide N-Desbutyl-N-propyl BuMetanide 28395-28-0 C16H18N2O5S
2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid 1335202-59-9 C16H16N2O3S
Macitentan Impurity 23 Macitentan Impurity 23 2365406-86-4 C12H11BrClN3O
Mizolastine Impurity 8 Mizolastine Impurity 8 935860-12-1 C25H27FN6O
Trabectedin Intermediate A23 Trabectedin Intermediate A23 366020-68-0 C31H34N4O8S
Levocetirizine amide impurity HCl Levocetirizine amide impurity HCl 909779-33-5 C21H26ClN3O2
1-(4-アミノフェニル)-3-モルホリノ-5,6-ジヒドロピリジン-2(1H)-オン 1-(4-アミノフェニル)-3-モルホリノ-5,6-ジヒドロピリジン-2(1H)-オン 1267610-26-3 C15H19N3O2
(14S,16β,22R,25S)-5,6β:14,17:14,27-トリエポキシ-13,20,22-トリヒドロキシ-1,15-ジオキソ-16,24-シクロ-13,14-セコ-5β-エルゴスタ-2-エン-18,26-二酸18,20:26,22-ジラクトン (14S,16β,22R,25S)-5,6β:14,17:14,27-トリエポキシ-13,20,22-トリヒドロキシ-1,15-ジオキソ-16,24-シクロ-13,14-セコ-5β-エルゴスタ-2-エン-18,26-二酸18,20:26,22-ジラクトン 57423-71-9 C28H30O10
Dabigatran Impurity 8 Dabigatran Impurity 8 1408238-40-3 C34H40N6O6
H-DL-ALA-OET · HCL H-DL-ALA-OET · HCL 17344-99-9 C5H11NO2
1-[1-(Bromomethyl)ethenyl]-2,4-difluoro-benzene 1-[1-(Bromomethyl)ethenyl]-2,4-difluoro-benzene 159276-58-1 C9H7BrF2
Amoxicillin EP Impurity L Amoxicillin EP Impurity L 1789703-32-7 C24H29N5O7S2
Parecoxib ImpurityO Parecoxib ImpurityO 198470-91-6 C20H20N2O4S
(S)-3(2h)-Pyridazinone, 6-(4-Aminophenyl)-4,5-Dihydro-5-Methyl- (S)-3(2h)-Pyridazinone, 6-(4-Aminophenyl)-4,5-Dihydro-5-Methyl- 101328-84-1 C11H13N3O
5-(4-フルオロフェニル)チオフェン-2-カルボン酸 5-(4-フルオロフェニル)チオフェン-2-カルボン酸 115933-30-7 C11H7FO2S
サイコサポニンB3 サイコサポニンB3 58316-42-0 C43H72O14
2-[4-(4-METHOXY-PHENOXY)-PHENYL]-MALONIC ACID MONO-(4-METHOXY-PHENYL) ESTER 2-[4-(4-METHOXY-PHENOXY)-PHENYL]-MALONIC ACID MONO-(4-METHOXY-PHENYL) ESTER 70175-90-5 C25H24O7
Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone) Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone) 66757-69-5 C6H6O7
Brivaracetam Impurity 3 Brivaracetam Impurity 3 2432911-32-3 C15H27N3O3
17-デスアセチルロクロニウム 17-デスアセチルロクロニウム 119302-86-2 C30H51BrN2O3
Paliperidone Impurity 7 Paliperidone Impurity 7 1415488-05-9 C27H45ClN2O3
Ceftaroline Fosamil Impurity 8 Ceftaroline Fosamil Impurity 8 1286218-63-0 C22H23N8O9PS4
4-Methyl-N-(3-(5-Methyl-1H-iMidazol-1-yl)-5-(trifluoroMethyl)phenyl)-3-((4-(pyridin-3-yl)pyriMidin-2-yl)aMino)benzaMide 4-Methyl-N-(3-(5-Methyl-1H-iMidazol-1-yl)-5-(trifluoroMethyl)phenyl)-3-((4-(pyridin-3-yl)pyriMidin-2-yl)aMino)benzaMide 641571-15-5 C28H22F3N7O
(3R)-3β,4β-ジヒドロキシ-5α-[3-(3,4-ジヒドロキシフェニル)アクリロイルオキシ]-1-シクロヘキセン-1-カルボン酸 (3R)-3β,4β-ジヒドロキシ-5α-[3-(3,4-ジヒドロキシフェニル)アクリロイルオキシ]-1-シクロヘキセン-1-カルボン酸 73263-62-4 C16H16O8
[D-Pro2,D-Trp7,9]物質P [D-Pro2,D-Trp7,9]物質P 80434-86-2 C74H106N20O13S
alpha-(3,4-dihydroxyphenyl)lactic acid alpha-(3,4-dihydroxyphenyl)lactic acid 22681-72-7 C9H10O5
TopiraMate N-Methyl IMpurity TopiraMate N-Methyl IMpurity 97240-80-7 C13H23NO8S
セチリジンアミド セチリジンアミド 83881-37-2 C21H26ClN3O2
(S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl) thio)ethyl)amino)-3-methyl-4-oxobutanoic acid (S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl) thio)ethyl)amino)-3-methyl-4-oxobutanoic acid
Lapatinib IMpurity 8 Lapatinib IMpurity 8 320337-48-2 C26H19ClFN3O3
Isavuconazole Impurity Isavuconazole Impurity 21661-87-0 C9H5Br2NO
(2b,3a,5a,16b,17b)-17-Acetoxy-3-hydroxy-2-(4-morpholinyl)-16-(1-pyrrolidinyl)androstane (2b,3a,5a,16b,17b)-17-Acetoxy-3-hydroxy-2-(4-morpholinyl)-16-(1-pyrrolidinyl)androstane 119302-24-8 C29H48N2O4
1H-1,2,3-Triazole-4-methanol, 1-[(2,6-difluorophenyl)methyl]- 1H-1,2,3-Triazole-4-methanol, 1-[(2,6-difluorophenyl)methyl]- 1364193-40-7 C10H9F2N3O
Brivaracetam Impurity B Brivaracetam Impurity B 943986-67-2 C11H19NO3
HERBA CIRSII JAPONICI HERBA CIRSII JAPONICI
32-O-デメチルラパマイシン 32-O-デメチルラパマイシン 141392-23-6 C50H77NO13
エナラプリルジケトピペラジン酸 エナラプリルジケトピペラジン酸 115623-21-7 C18H22N2O4
[18O3]-Chlorate [18O3]-Chlorate
cefotaxiMe IMpurity D cefotaxiMe IMpurity D 63527-53-7 C16H17N5O7S2
Apixaban Impurity 24 Apixaban Impurity 24 1928718-22-2 C26H27N5O4
Iohexol EP Impurity F Iohexol EP Impurity F 1215856-35-1 C14H19I2N3O6
Ribavirin IMp. A (EP) Ribavirin IMp. A (EP)
5-[エチル(2-ヒドロキシエチル)アミノ]-2-ペンタノン 5-[エチル(2-ヒドロキシエチル)アミノ]-2-ペンタノン 74509-79-8 C9H19NO2
L-Ampicillin L-Ampicillin 19379-33-0 C16H19N3O4S
Rasagiline Dipropynyl HCl Rasagiline Dipropynyl HCl 92850-02-7 C15H15N
Tadalafil EP IMpurity G Tadalafil EP IMpurity G
D-glycero-Heptaric acid, 2,4,6-trideoxy-2-[(1R)-1-hydroxyethyl]-6-imino-5-S-[2-[(iminomethyl)amino]ethyl]-5-thio-, 7,3-lactone, (3ξ,5ξ)- D-glycero-Heptaric acid, 2,4,6-trideoxy-2-[(1R)-1-hydroxyethyl]-6-imino-5-S-[2-[(iminomethyl)amino]ethyl]-5-thio-, 7,3-lactone, (3ξ,5ξ)- 1193105-97-3 C12H19N3O5S
クルクリゴシドB クルクリゴシドB 143601-09-6 C21H24O11
Cilastatin Impurity A Cilastatin Impurity A
7(4H)-Benzothiazolone, 2-amino-5,6-dihydro-6-(propylamino)-, (6S)- 7(4H)-Benzothiazolone, 2-amino-5,6-dihydro-6-(propylamino)-, (6S)- 2204518-89-6 C10H15N3OS
Sildenafil EP IMpurity D Sildenafil EP IMpurity D 1357931-55-5 C17H20N4O5S
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