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Structure Chemical Name CAS MF
AzithroMycin IMpurity D AzithroMycin IMpurity D
1-[[2'-(AMinoiMinoMethyl)[1,1'-biphenyl]-4-yl]Methyl]-2-ethoxy-1H-benziMidazole-7-carboxylic Acid 1-[[2'-(AMinoiMinoMethyl)[1,1'-biphenyl]-4-yl]Methyl]-2-ethoxy-1H-benziMidazole-7-carboxylic Acid 1442400-65-8 C24H22N4O3
ErythroMycin A 6,9-IMino Ether ErythroMycin A 6,9-IMino Ether 99290-97-8 C37H66N2O12
Atracurium Impurity R Atracurium Impurity R
Atracurium Impurity 28 Atracurium Impurity 28
Aprepitant impurity 1 Aprepitant impurity 1
(Z)-Methyl 3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-2-oxo-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylate (Z)-Methyl 3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-2-oxo-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylate 1499167-72-4 C23H20N4O4
1H-BenziMidazole-7-carboxylic acid, 1-[[2'-(2,5-dihydro-5-oxo-1,2,4-oxadiazol-3-yl)[1,1'-biphenyl]-4-yl]Methyl] -2-ethoxy-, ethyl ester 1H-BenziMidazole-7-carboxylic acid, 1-[[2'-(2,5-dihydro-5-oxo-1,2,4-oxadiazol-3-yl)[1,1'-biphenyl]-4-yl]Methyl] -2-ethoxy-, ethyl ester 1403474-70-3 C27H24N4O5
AtracuriuM IMpurity K (Mixture of cis, trans, cis, cis(K1 & K2), tans, trans IsoMer) AtracuriuM IMpurity K (Mixture of cis, trans, cis, cis(K1 & K2), tans, trans IsoMer)
Atracurium Impurity E Atracurium Impurity E
Azilsartan Impurity Azilsartan Impurity 1863930-34-0 C23H23N3O3
Chidamide-13C7 Chidamide-13C7 1348337-81-4 C24H18N4O4
Atracurium  Impurity M Atracurium Impurity M
Atracurium Impurity 27 Atracurium Impurity 27
Apremilast Impurity TNB Apremilast Impurity TNB
Atracurium Impurity N Atracurium Impurity N
Atracurium impurity O drops Atracurium impurity O drops
(Z)-2-ethoxy-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-3H-benzo[d]iMidazole-4-carboxylic acid (Z)-2-ethoxy-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-3H-benzo[d]iMidazole-4-carboxylic acid 1397836-49-5 C24H22N4O4
AzithroMycin iMpurity AzithroMycin iMpurity 194809-66-0 C37H69BN2O13
AtracuriuM IMpurity G (R-Laudanosine) AtracuriuM IMpurity G (R-Laudanosine)
Azilsartan Impurity Azilsartan Impurity 1675221-59-6 C25H22N2O5
Apremilast Impurity QY Apremilast Impurity QY
AZITHROMYCIN IMPURITY B AZITHROMYCIN IMPURITY B 307974-61-4 C38H72N2O11
ETHYLISOPROPYLNITROSAMINE ETHYLISOPROPYLNITROSAMINE 16339-04-1 C5H12N2O
AzithroMycin IMpurity J AzithroMycin IMpurity J
Methyl 3-aMino-2-((2'-carbaMoylbiphenyl-4-yl)MethylaMino)benzoate Methyl 3-aMino-2-((2'-carbaMoylbiphenyl-4-yl)MethylaMino)benzoate 147404-75-9 C22H21N3O3
Azilsartan iMpurity O Azilsartan iMpurity O 2171316-29-1 C23H19N3O4
AzithroMycin IMpurity K AzithroMycin IMpurity K
O-Desethyl Azilsartan O-Desethyl Azilsartan 1442400-68-1 C23H16N4O5
Apremilast Impurity FA Apremilast Impurity FA 2077897-94-8 C21H22N2O7S
Atracurium Impurity S Atracurium Impurity S
Atracurium Impurity 29 Atracurium Impurity 29
Atracurium Impurity 32 Atracurium Impurity 32
1449029-77-9 1449029-77-9 1449029-77-9 C29H26N4O7
Azilsartan Impurity 107 Azilsartan Impurity 107
Lexithromycin Lexithromycin 53066-26-5 C38H70N2O13
Azilsartan iMpurity G Azilsartan iMpurity G
Atracurium Impurity F Atracurium Impurity F
Apremilast Impurity 15 Apremilast Impurity 15 2096492-41-8 C22H26N2O8S
Atracurium  Impurity O Atracurium Impurity O
Atracurium Impurity 4 Atracurium Impurity 4
Atracurium Impurity P Atracurium Impurity P
Atracurium Impurity U Atracurium Impurity U
Azilsartan Impurity 11 Azilsartan Impurity 11 91526-16-8 C12H12O6S
NA NA
2-(2-carboxyethyl)-1-[(3,4-dimethoxyphenyl)methyl]-,1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-isoquinolinium benzenesulfonate 2-(2-carboxyethyl)-1-[(3,4-dimethoxyphenyl)methyl]-,1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-isoquinolinium benzenesulfonate 1075727-06-8 C30H37NO9S
AzithroMycin iMpurity R AzithroMycin iMpurity R
AtracuriuM IMpurity H (Mixture of cis, trans(H1), cis, cis(H2)
 tans, trans IsoMer) AtracuriuM IMpurity H (Mixture of cis, trans(H1), cis, cis(H2) tans, trans IsoMer) 1248429-33-5
Atracurium Impurity B Atracurium Impurity B 87046-74-0
Atracurium Impurity 2 Atracurium Impurity 2
Atracurium Impurity 25 Atracurium Impurity 25 86682-55-5 C20H25NO5
Apremilast Impurity SJM Apremilast Impurity SJM
Atracurium Impurity 15 Iodide(Cisatracurium Besilate EP Impurity O Iodide) Atracurium Impurity 15 Iodide(Cisatracurium Besilate EP Impurity O Iodide) 155913-31-8 C38H49NO11S
Apremilast ImpurityTNN Apremilast ImpurityTNN
Acetic acid, 2-chloro-2-[2-(2-Methoxyphenyl)hydrazinylidene]-, ethyl ester Acetic acid, 2-chloro-2-[2-(2-Methoxyphenyl)hydrazinylidene]-, ethyl ester 85014-68-2 C11H13ClN2O3
Apixaban Impurity 20 Apixaban Impurity 20 1421823-20-2 C27H29ClN4O5
Apixaban Impurity 13 Apixaban Impurity 13
Apixaban Impurity 34 Apixaban Impurity 34
TRANS-4-AMINOCROTONIC ACID TRANS-4-AMINOCROTONIC ACID 38090-53-8 C4H7NO2
Apixaban Impurity 79 Apixaban Impurity 79
Apixaban-13C-D3 Apixaban-13C-D3 1261393-15-0 C2413CH22D3N5O4
Apixaban Impurity 15 Apixaban Impurity 15 1466571-07-2 C21H20N4O4
Apixaban Impurity 17 Apixaban Impurity 17 2204368-51-2 C29H31N5O5
Apixaban Impurity 37 Apixaban Impurity 37
Afatinib impurity 40 Afatinib impurity 40
Apixaban Impurity 28 Apixaban Impurity 28 2208275-54-9
Apixaban Impurity 33 Apixaban Impurity 33 1686149-78-9 C21H27N3O3
Apixaban Impurity 33 Apixaban Impurity 33
Apixaban Impurity 40 Apixaban Impurity 40
Apixaban Impurity 73 Apixaban Impurity 73 1998079-13-2 C44H40N8O8
AtracuriuM IMpurity D2 (cis-Quaternary Alcohol) AtracuriuM IMpurity D2 (cis-Quaternary Alcohol) 1100676-16-1 C35H47NO10S
AzithroMycin IMpurity O AzithroMycin IMpurity O
AtracuriuM IMpurity V AtracuriuM IMpurity V 1075726-86-1 C25H34INO6
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
(1R,1'R,2S,2'S)-2,2'-[1,5-pentanediylbis[oxy(3-oxo-3,1-propanediyl)]]bis[1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-Isoquinolinium Benzenesulfonate (1R,1'R,2S,2'S)-2,2'-[1,5-pentanediylbis[oxy(3-oxo-3,1-propanediyl)]]bis[1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-Isoquinolinium Benzenesulfonate 96946-46-2 C59H77N2O15S+
3-amino-6-chloro-2-methyl-4-phenylquinazolin-4-ol 3-amino-6-chloro-2-methyl-4-phenylquinazolin-4-ol 27537-87-7 C15H14ClN3O
Atracurium Impurity 5 Atracurium Impurity 5
Apremilast Impurity CNA Apremilast Impurity CNA
Atracurium Impurity Q Atracurium Impurity Q
Atracurium Impurity W Atracurium Impurity W
Azilsartan impurity Y Azilsartan impurity Y
Aprepitant impurity 3 Aprepitant impurity 3
1-[(2'-carbaMoylbiphenyl-4-yl) Methyl]-2-ethoxybenziMidazole-7-carboxylic acid 1-[(2'-carbaMoylbiphenyl-4-yl) Methyl]-2-ethoxybenziMidazole-7-carboxylic acid 1696392-11-6 C24H21N3O4
AtracuriuM IMpurity I (Mixture of cis, trans(I1), cis, cis(I2), tans, trans IsoMer) AtracuriuM IMpurity I (Mixture of cis, trans(I1), cis, cis(I2), tans, trans IsoMer)
Azilsartan Impurity Azilsartan Impurity 1821386-21-3 C22H18N4O4
Atracurium Impurity 26 Atracurium Impurity 26
Apremilast Impurity SY Apremilast Impurity SY
Atracurium Impurity L Atracurium Impurity L
NA NA
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