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Structure Chemical Name CAS MF
rac-Valsartan EP Impurity B rac-Valsartan EP Impurity B 1894176-44-3 C31H35N5O3
Arbidol Impurity I Arbidol Impurity I 153633-10-4 C22H24Br2N2O3S
Afatinib Impurity 25 Afatinib Impurity 25
Afatinib impurity 28 Afatinib impurity 28
Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib 2223677-58-3 C22H20ClFN4O4
Vigabatrin Impurity 2 Vigabatrin Impurity 2
ethyl 6-bromo-2-(bromomethyl)-5-hydroxy-1-methyl-1H-indole-3-carboxylate ethyl 6-bromo-2-(bromomethyl)-5-hydroxy-1-methyl-1H-indole-3-carboxylate 149246-36-6 C13H13Br2NO3
2-Thiazolamine, 5-(4-cyclohexyl-1-piperazinyl)-4-(4,5-dichloro-2-thienyl)- 2-Thiazolamine, 5-(4-cyclohexyl-1-piperazinyl)-4-(4,5-dichloro-2-thienyl)- 570407-63-5 C17H22Cl2N4S2
Avatrombopag Impurity 37 Avatrombopag Impurity 37
Abiolone Impurity 24 Abiolone Impurity 24
AvatrombopagImpurity42 AvatrombopagImpurity42
Avatrombopag Impurity 51 Avatrombopag Impurity 51
(S,E)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-hydroxybut-2-enamide (S,E)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-hydroxybut-2-enamide
N-(3-chloro-4-fluorophenyl)-7-fluoro-6,8-dinitroquinazolin-4-amine N-(3-chloro-4-fluorophenyl)-7-fluoro-6,8-dinitroquinazolin-4-amine
5-chloro-N-(4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)-6-(4-((4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)carbamoyl)piperidin-1-yl)nicotinamide 5-chloro-N-(4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)-6-(4-((4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)carbamoyl)piperidin-1-yl)nicotinamide
1-(4-PIPERIDINYLCARBONYL)-4-PIPERIDINECARBOXYLIC ACID 1-(4-PIPERIDINYLCARBONYL)-4-PIPERIDINECARBOXYLIC ACID 96053-48-4 C12H20N2O3
Afatinib Impurity 16 Afatinib Impurity 16
mixture of PD 312236 and PD 312237 mixture of PD 312236 and PD 312237
1-NaphthaleneethanaMine, 1,2,3,4-tetrahydro-7-Methoxy- 1-NaphthaleneethanaMine, 1,2,3,4-tetrahydro-7-Methoxy- 59081-66-2 C13H19NO
1H-Indazole, 4,5-dichloro- 1H-Indazole, 4,5-dichloro- 1020243-02-0 C7H4Cl2N2
Acarbose 1,1-α,α-Glycoside IMpurity Acarbose 1,1-α,α-Glycoside IMpurity 610271-07-3 C25H43NO18
Afatinib IMpurity C Afatinib IMpurity C
Aripiprazole N1-Oxide Aripiprazole N1-Oxide
Afatinib Impurity L (Afatinib N-Oxide) Afatinib Impurity L (Afatinib N-Oxide)
(S)-Alogliptin Benzoate Salt (S)-Alogliptin Benzoate Salt 1638544-64-5 C25H27N5O4
Agomelatine Impurity 1 Agomelatine Impurity 1
Amoxicillin Impurity U Amoxicillin Impurity U C16H19N3O5S
Alogliptin Impurity 7 Alogliptin Impurity 7
Afatinib Impurity 51 Afatinib Impurity 51
Afatinib Impurity 66 Afatinib Impurity 66
Alectinib Impurity 10 Alectinib Impurity 10 1256584-81-2 C28H29N3O3
α,α,α'',5-Tetramethyl-1,3-benzenediacetonitrile α,α,α'',5-Tetramethyl-1,3-benzenediacetonitrile 120512-38-1 C14H16N2
Azlocillin dioxide Impurity Azlocillin dioxide Impurity
N-(4-アミノ-6,7-ジメトキシキナゾール-2-イル)-N-メチルプロピレンジアミン塩酸塩 N-(4-アミノ-6,7-ジメトキシキナゾール-2-イル)-N-メチルプロピレンジアミン塩酸塩 81403-69-2 C14H22ClN5O2
1-NaphthaleneethanaMine, 7-Methoxy-N-[2-(7-Methoxy-1-naphthalenyl)ethyl]- 1-NaphthaleneethanaMine, 7-Methoxy-N-[2-(7-Methoxy-1-naphthalenyl)ethyl]- 1385018-57-4 C26H27NO2
Alogliptin Impurity 19 Alogliptin Impurity 19
Trelagliptin Impurity Y Trelagliptin Impurity Y 1938080-42-2 C13H10FN3O3
Amoxicillin EP impurity P Amoxicillin EP impurity P C16H19N3O5S
Afatinib impurity 49 Afatinib impurity 49
Afatinib Impurity OLQ Afatinib Impurity OLQ
Amoxicillin Oxidized Impurities Amoxicillin Oxidized Impurities
Amoxicillin Impurity ABCDEFGHIJKLM Amoxicillin Impurity ABCDEFGHIJKLM
2,4-Pyrimidinediol, 6-chloro- (9CI) 2,4-Pyrimidinediol, 6-chloro- (9CI) 107577-09-3 C4H3ClN2O2
{3-[2-(DiMethylaMino)ethyl]-5-[(pyrrolidine-1-yl)sulfonylMethyl]-1H-indol-1-yl}Methanol {3-[2-(DiMethylaMino)ethyl]-5-[(pyrrolidine-1-yl)sulfonylMethyl]-1H-indol-1-yl}Methanol 1018676-02-2 C18H27N3O3S
1-(2,6-dichlorophenyl)piperazine 1-(2,6-dichlorophenyl)piperazine 63386-61-8 C10H12Cl2N2
AMoxicillin iMpurity L AMoxicillin iMpurity L C16H19N3O5S
Anastrozole IMpurity (alfa1 , alfa1, alfa3, alfa3-TetraMethyl-5-(1H-1,2,4-triazol-1-ylMethyl)-1,3-BenzenediacetaMide) Anastrozole IMpurity (alfa1 , alfa1, alfa3, alfa3-TetraMethyl-5-(1H-1,2,4-triazol-1-ylMethyl)-1,3-BenzenediacetaMide) 120512-04-1 C17H23N5O2
Adefovir Impurity D Adefovir Impurity D
Afatinib impurity 35 Afatinib impurity 35
Macitentandesbromopyrimidine Impurity Macitentandesbromopyrimidine Impurity
Avatrombopag Impurity 22 Avatrombopag Impurity 22
Avatrombopag Impurity 33 Avatrombopag Impurity 33
4-chloro-N-(3-chloro-4-fluorophenyl)-8-nitroquinazolin-7-amine 4-chloro-N-(3-chloro-4-fluorophenyl)-8-nitroquinazolin-7-amine
Avatrombopag Impurity 59 Avatrombopag Impurity 59
(R)-α-[(2,2-DiMethyl-1-oxopropyl)aMino]-4-hydroxybenzeneacetic Acid (R)-α-[(2,2-DiMethyl-1-oxopropyl)aMino]-4-hydroxybenzeneacetic Acid 205826-86-4 C13H17NO4
Alogliptin Impurity C Alogliptin Impurity C 1108731-49-2 C20H23N5O3
Alfuzosin Alfuzosin 19216-53-6 C12H16N4O2
(R)-2-((6-(3-aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzoic acid (R)-2-((6-(3-aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzoic acid C18H22N4O4
N-(2,3-Dichloro-phenyl)-N'-[2-(2,3-dichloro-phenylamino)-ethyl]-ethane-1,2-diamine N-(2,3-Dichloro-phenyl)-N'-[2-(2,3-dichloro-phenylamino)-ethyl]-ethane-1,2-diamine C16H17Cl4N3
(E)-4-BROMO-N,N-DIMETHYLBUT-2-ENAMIDE (E)-4-BROMO-N,N-DIMETHYLBUT-2-ENAMIDE 137131-09-0 C6H10BrNO
Almotriptan Impurity 1 Almotriptan Impurity 1 334981-13-4 C17H25N3O3S
Amoxicillin Impurity Z Amoxicillin Impurity Z C16H19N3O5S
Afatinib impurity 46 Afatinib impurity 46
arformoterol tartrate impurity arformoterol tartrate impurity
Afatinib Impurity QAQ Afatinib Impurity QAQ
Afatinib Impurity SHO Afatinib Impurity SHO 2223677-65-2 C38H30Cl2F2N8O6
Anastrozole Impurity IV Anastrozole Impurity IV
4-O-[4-[[(1S)-4β,5α,6β-トリヒドロキシ-3-(ヒドロキシメチル)-2-シクロヘキセン-1β-イル]アミノ]-4,6-ジデオキシ-α-D-グルコピラノシル]-D-グルコース 4-O-[4-[[(1S)-4β,5α,6β-トリヒドロキシ-3-(ヒドロキシメチル)-2-シクロヘキセン-1β-イル]アミノ]-4,6-ジデオキシ-α-D-グルコピラノシル]-D-グルコース 68128-53-0 C19H33NO13
2-アミノ-5,6-ジクロロ-3(4H)-キナゾリン酢酸 (ANAGRELIDE IMPURITY B)アナグレリド不純物B 2-アミノ-5,6-ジクロロ-3(4H)-キナゾリン酢酸 (ANAGRELIDE IMPURITY B)アナグレリド不純物B 1159977-03-3 C10H9Cl2N3O2
2-(7-Methoxynaphthalen-1-yl)acetamide 2-(7-Methoxynaphthalen-1-yl)acetamide 138113-07-2 C13H13NO2
Anastrozole iMpurity D Anastrozole iMpurity D
2-Methyl-2-(4-vinylphenyl)propanoic acid 2-Methyl-2-(4-vinylphenyl)propanoic acid 1256584-72-1 C12H14O2
Anastrozole IMpurity (2-(3-((1H-1,2,4-triazol-1-yl)Methyl)-5-(1-aMino-2-Methyl-1-oxopropan-2-yl)phenyl)-2-Methylpropanoi Anastrozole IMpurity (2-(3-((1H-1,2,4-triazol-1-yl)Methyl)-5-(1-aMino-2-Methyl-1-oxopropan-2-yl)phenyl)-2-Methylpropanoi
Afatinib IMpurity I Afatinib IMpurity I 1637254-93-3 C22H19BrClFN4O3
Aripiprazole iMpurity 2 Aripiprazole iMpurity 2 1424857-93-1 C14H18Cl2N2
N-acetyl-N-(2-(7-Methoxynaphthalen-1-yl)ethyl)acetaMide N-acetyl-N-(2-(7-Methoxynaphthalen-1-yl)ethyl)acetaMide 1379005-34-1 C17H19NO3
Afatinib Impurity M Afatinib Impurity M
Agomelatine Impurity 1 Agomelatine Impurity 1 1352139-51-5 C15H19NO2
(E)-2-(7-methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)ethan-1-amine (E)-2-(7-methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)ethan-1-amine 468104-18-9 C13H17NO
Alosetron Impurity 1 Alosetron Impurity 1 1011293-30-3 C17H16N4O2
Acarbose Impurity F Acarbose Impurity F
Amoxicillin EP Impurity K Amoxicillin EP Impurity K C16H19N3O5S
Apixaban Degradation of Impurity Apixaban Degradation of Impurity
Afatinib Impurity 52 Afatinib Impurity 52
Afatinib Impurity 67 Afatinib Impurity 67
Alogliptin Impurity 30 Alogliptin Impurity 30
Afatinib Impurity 77 Afatinib Impurity 77 26404-20-6 C5H7ClO3
Azlocillin Opern-Ring Impurity Azlocillin Opern-Ring Impurity 96688-41-4 C20H25N5O7S
Apremilast Impurity OH Apremilast Impurity OH
Atracurium Impurity T Atracurium Impurity T
Atracurium Impurity 30 Atracurium Impurity 30
Atracurium Impurity 33 Atracurium Impurity 33
Azilsartan iMpurity H Azilsartan iMpurity H
Azilsartan iMpurity M Azilsartan iMpurity M
AtracuriuM IMpurity C1 (trans-Monoacrylate) AtracuriuM IMpurity C1 (trans-Monoacrylate)
AzithroMycin IMpurity C AzithroMycin IMpurity C
1-((2'-cyanobiphenyl-4-yl)Methyl)-2-ethoxy-1H-benziMidazole-7-carboxylic acid 1-((2'-cyanobiphenyl-4-yl)Methyl)-2-ethoxy-1H-benziMidazole-7-carboxylic acid 632322-61-3 C24H19N3O3
Azilsartan Impurity Azilsartan Impurity 1586011-04-2 C26H25N3O4
Atracurium Impurity A Atracurium Impurity A
Apremilast Impurity 10 Apremilast Impurity 10 1809170-71-5 C22H26N2O8S
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