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Keywords: 18162-48-6 , 872-50-4 , Methylene Chloride , naphthalene , THF , Titanium Dioxide

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Structure Chemical Name CAS MF
For the determination of impurities in lsobutylene For the determination of impurities in lsobutylene
Ethyl 2-aminopropanoate Ethyl 2-aminopropanoate 17344-99-9 C5H11NO2
Acetamide, N-(2-aminoethyl)-2-[(3-hydroxyphenyl)(4-methylphenyl)amino]- Acetamide, N-(2-aminoethyl)-2-[(3-hydroxyphenyl)(4-methylphenyl)amino]- 2724727-52-8 C17H21N3O2
Geclosporin Geclosporin 74436-00-3 C63H113N11O12
1,6-Naphthyridine-3-carboxamide, 4-(4-cyano-2-methoxyphenyl)-1,4-dihydro-2,8-dimethyl-5-(1-methylethoxy)- 1,6-Naphthyridine-3-carboxamide, 4-(4-cyano-2-methoxyphenyl)-1,4-dihydro-2,8-dimethyl-5-(1-methylethoxy)- 2640280-85-7 C22H24N4O3
L-Ampicillin L-Ampicillin 19379-33-0 C16H19N3O4S
ardisiacrispin B ardisiacrispin B 112766-96-8 C53H86O22
3-N-OXALYL-L-2,3-DIAMINOPROPANOICACID 3-N-OXALYL-L-2,3-DIAMINOPROPANOICACID 5302-45-4 C5H8N2O5
2-(2,4-DIHYDROXYBENZOYL)BENZOIC ACID 2-(2,4-DIHYDROXYBENZOYL)BENZOIC ACID 2513-33-9 C14H10O5
SALOR-INT L173312-1EA SALOR-INT L173312-1EA 55917-07-2 C14H21NO
Amlodipine Diethyl Ester Amlodipine Diethyl Ester 140171-65-9 C21H27ClN2O5
Dehydro Simvastatin Dehydro Simvastatin 210980-68-0 C25H36O4
Mono-POC Isopropyl Tenofovir Mono-POC Isopropyl Tenofovir 1422284-15-8 C21H32N5O11P
Cephalexin Diketopiperazine Monoacid (Mixture of DiastereoMers) Cephalexin Diketopiperazine Monoacid (Mixture of DiastereoMers) 1323247-65-9 C16H19N3O5S
2-Des(acetylthioMethyl)-2-Methylene Racecadotril 2-Des(acetylthioMethyl)-2-Methylene Racecadotril 87428-99-7 C19H19NO3
(R)-(4-(5-chlorobenzo[d]oxazol-2-yl)-7-Methyl-1,4-diazepan-1-yl)(5-Methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)Methanone (R)-(4-(5-chlorobenzo[d]oxazol-2-yl)-7-Methyl-1,4-diazepan-1-yl)(5-Methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)Methanone 1030377-80-0 C23H23ClN6O2
Icariside I Icariside I 56725-99-6 C27H30O11
Albuterol diMer Albuterol diMer 147663-30-7 C26H40N2O5
edaravone iMpurity A edaravone iMpurity A
Pantoprazole EP IMpurity E Pantoprazole EP IMpurity E 2115779-15-0 C32H28F4N6O8S2
BUTYL ANALOG OF TAXOL, n-(RG) BUTYL ANALOG OF TAXOL, n-(RG) 173101-55-8 C45H55NO14
Toluene-4-sulfonic acid 5-(2,4-difluoro-phenyl)-5-[1,2,4]triazol-1-ylMethyl-tetrahydro-furan-3-ylMethyl Toluene-4-sulfonic acid 5-(2,4-difluoro-phenyl)-5-[1,2,4]triazol-1-ylMethyl-tetrahydro-furan-3-ylMethyl 159811-30-0 C21H21F2N3O4S
Azilsartan iMpurity A Azilsartan iMpurity A 147404-76-0 C25H23N3O4
Apixaban IMpurity 2 Apixaban IMpurity 2 1801881-16-2 C25H25N5O4
Lidocaine IMpurity E Lidocaine IMpurity E 745798-07-6 C20H25N3O2
Dabigatran iMpurity J Dabigatran iMpurity J 211915-00-3 C33H39N7O5
N-(3-(2-(2-chloropyriMidin-4-yl)acetyl)-2-fluorophenyl)-2,6-difluorobenzenesulfonaMide N-(3-(2-(2-chloropyriMidin-4-yl)acetyl)-2-fluorophenyl)-2,6-difluorobenzenesulfonaMide 1195768-20-7 C18H11ClF3N3O3S
DL-β-O-Methylnorepinephrine Hydrochloride DL-β-O-Methylnorepinephrine Hydrochloride 3770-01-2 C9H14ClNO3
LincoMycin 2-Phosphate LincoMycin 2-Phosphate 27480-30-4 C18H35N2O9PS
((2R,3S,4R,5R,6S)-6-(4-chloro-3-(4-((S)-tetrahydrofuran-3-yloxy)benzyl)phenyl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)Methyl acetate ((2R,3S,4R,5R,6S)-6-(4-chloro-3-(4-((S)-tetrahydrofuran-3-yloxy)benzyl)phenyl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)Methyl acetate 864070-37-1 C19H21ClO6
Isavuconazole Impurity Isavuconazole Impurity 21661-87-0 C9H5Br2NO
Ceftaroline Fosamil Impurity 8 Ceftaroline Fosamil Impurity 8 1286218-63-0 C22H23N8O9PS4
Buspirone EP Impurity C Buspirone EP Impurity C 257877-45-5 C20H30N8
Imipenem Impurity Imipenem Impurity 776257-75-1 C24H34N6O8S2
(3R,8S,9S,12S) Atazanavir (3R,8S,9S,12S) Atazanavir 1332981-14-2 C38H52N6O7
Anisamide, 3-ethoxy- Anisamide, 3-ethoxy- 247569-89-7 C10H13NO3
Cefotiam Impurity 1 Cefotiam Impurity 1 775233-43-7 C13H14N4O5S2
Sitagliptin EP Impurity C Sitagliptin EP Impurity C 945261-48-3 C16H16F5N5O
3-Thiomorpholinecarboxylic acid, 5-oxo-, 1-oxide 3-Thiomorpholinecarboxylic acid, 5-oxo-, 1-oxide 88620-38-6 C5H7NO4S
Anhydrosafflor yellow B Anhydrosafflor yellow B 184840-84-4 C48H52O26
(4S)-2-(((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4 (4S)-2-(((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4 42947-63-7 C16H21N3O6S
2-(tert-butylamino)-1-(4-hydroxy-3-methylphenyl)ethan-1-one 2-(tert-butylamino)-1-(4-hydroxy-3-methylphenyl)ethan-1-one 60853-66-9 C13H19NO2
AmBroxol Impurity 11 AmBroxol Impurity 11 2088879-81-4 C14H16Br2N2O
Famotidine EP Impurity H Famotidine EP Impurity H 106649-96-1 C6H10N6S2
Fludarabine Phosphate EP Impurity C Fludarabine Phosphate EP Impurity C 548774-53-4 C10H14FN5O10P2
Milrinone Impurity A Milrinone Impurity A
Parecoxib Impurity 4 Parecoxib Impurity 4 57736-10-4 C14H13NO
Posaconazole Impurity 36 Posaconazole Impurity 36 2243786-02-7 C30H35N5O3
Lenalidomide Impurity 11 Lenalidomide Impurity 11 48103-74-8 C5H7NO3
Paroxetine Related Impurity 9 Paroxetine Related Impurity 9 253768-88-6 C26H24FNO5
2-Pentyn-1-ol 2-Pentyn-1-ol 6261-22-9 C5H8O
Fluvoxamine EP Impurity B Maleate Fluvoxamine EP Impurity B Maleate 89035-92-7 C15H21F3N2O2
(3aR,4S,7R,7aS)-2-(((1S,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (3aR,4S,7R,7aS)-2-(((1S,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione 1448443-35-3 C28H36N4O2S
Pitavastatin Impurity 10 Pitavastatin Impurity 10
(2S,5R)-N-(3-aminopropyloxy)-7-oxo-6-(sulfooxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide trifluoroacetic acid salt (2S,5R)-N-(3-aminopropyloxy)-7-oxo-6-(sulfooxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide trifluoroacetic acid salt 1572989-40-2 C12H19F3N4O9S
Ritonavir EP Impurity ABC Ritonavir EP Impurity ABC
1-Cyclohexene-1-carboxylic acid, 5-((3-(3,4-dihydroxyphenyl)-1-oxo-2-p ropenyl)oxy)-3,4-dihydroxy-, (3R-(3alpha,4alpha,5beta))- 1-Cyclohexene-1-carboxylic acid, 5-((3-(3,4-dihydroxyphenyl)-1-oxo-2-p ropenyl)oxy)-3,4-dihydroxy-, (3R-(3alpha,4alpha,5beta))- 73263-62-4 C16H16O8
Benzenecarboximidic acid, 4-[3-(aminocarbonyl)-5-ethoxy-1,4-dihydro-2,8-dimethyl-1,6-naphthyridin-4-yl]-3-methoxy-, ethyl ester Benzenecarboximidic acid, 4-[3-(aminocarbonyl)-5-ethoxy-1,4-dihydro-2,8-dimethyl-1,6-naphthyridin-4-yl]-3-methoxy-, ethyl ester 2640280-83-5 C23H28N4O4
alpha-(3,4-dihydroxyphenyl)lactic acid alpha-(3,4-dihydroxyphenyl)lactic acid 22681-72-7 C9H10O5
2-AMINO-3,5-DIBROMOBENZYL ALCOHOL 2-AMINO-3,5-DIBROMOBENZYL ALCOHOL 50739-76-9 C7H7Br2NO
(R)-Pramipexole (R)-Pramipexole 104632-28-2 C10H17N3S
Aprepitant-d4 Aprepitant-d4 1133387-60-6 C23H17D4F7N4O3
(13α,14β,17α,20S)-5α-Lanosta-8,24-dien-3β-ol (13α,14β,17α,20S)-5α-Lanosta-8,24-dien-3β-ol 514-46-5 C30H50O
3-(Bromomethyl)-2-cyclopropyl-4-(4'-fluorophenyl)quinoline 3-(Bromomethyl)-2-cyclopropyl-4-(4'-fluorophenyl)quinoline 154057-56-4 C19H15BrFN
1-[1-(Bromomethyl)ethenyl]-2,4-difluoro-benzene 1-[1-(Bromomethyl)ethenyl]-2,4-difluoro-benzene 159276-58-1 C9H7BrF2
3-Dechloro-3-broMo Trazodone Hydrochloride 3-Dechloro-3-broMo Trazodone Hydrochloride 1263278-80-3 C19H23BrClN5O
N,N'-Desethylene-N,N'-diforMyl Levofloxacin N,N'-Desethylene-N,N'-diforMyl Levofloxacin 151377-74-1 C18H18FN3O6
(+)-Fluprostenol (+)-Fluprostenol 54276-17-4 C23H29F3O6
Atorvastatin IMpurity G Atorvastatin IMpurity G 887324-53-0 C34H37FN2O5
Atorvastatin Impurity 20 Atorvastatin Impurity 20 1016893-70-1 C14H23NO4
EsoMeprazole related substance H193/61 EsoMeprazole related substance H193/61 784143-42-6 C18H21N3O3S
(6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid (6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 1315481-36-7 C25H27N9O8S2
[6R-[6α,7β(E)]]-7-[[(2-AMino-4-thiazolyl)[(car [6R-[6α,7β(E)]]-7-[[(2-AMino-4-thiazolyl)[(car 97164-56-2 C16H15N5O7S2
1-(o-Chloro-α-phenylbenzyl)piperazine 1-(o-Chloro-α-phenylbenzyl)piperazine 109036-15-9 C17H19ClN2
2-AMino-3-(4-broMobenzoyl)benzoic Acid 2-AMino-3-(4-broMobenzoyl)benzoic Acid 241496-82-2 C14H10BrNO3
2-[(2-FuranylMethyl)sulfinyl]-N-[4-[[4-(1-piperidinylMethyl)-2-pyridinyl]oxy]butyl]acetaMide 2-[(2-FuranylMethyl)sulfinyl]-N-[4-[[4-(1-piperidinylMethyl)-2-pyridinyl]oxy]butyl]acetaMide 118288-14-5 C22H31N3O4S
2-[2-(2-Methyl-5-nitroiMidazol-1-yl)ethoxy]ethanol 2-[2-(2-Methyl-5-nitroiMidazol-1-yl)ethoxy]ethanol 16156-94-8 C8H13N3O4
Erlotinib Impurity 48 Erlotinib Impurity 48 2304005-44-3 C8H8BrN
LUCIDIN LUCIDIN 478-08-0 C15H10O5
Posaconazole Succinyl Ester Posaconazole Succinyl Ester 1488301-79-6 C41H46F2N8O7
Rufinamide 2,6-Didesfluoro Impurity Rufinamide 2,6-Didesfluoro Impurity 80819-65-4 C10H10N4O
Febuxostat Impurity 32 HCl Febuxostat Impurity 32 HCl 1267681-15-1 C12H11NO3S
Cilastatin Impurity C Cilastatin Impurity C
Mometasone Furoate EP Impurity S Mometasone Furoate EP Impurity S 2231764-75-1 C27H30Cl2O6
Teriflunomide Impurity 2 Teriflunomide Impurity 2 220512-86-7 C12H9F3N2O2
Dabigatran iMpurity K Dabigatran iMpurity K 2225986-95-6 C34H41N7O5
Paroxetine Impurity 10（Paroxetine HCl Hemihydrate EP Impurity E） Paroxetine Impurity 10（Paroxetine HCl Hemihydrate EP Impurity E）
Cefixime impurity 13/Cefixime TBE impurity A/Cefixime tert-Butyl Ester/(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-(tert-butoxy)-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Cefixime impurity 13/Cefixime TBE impurity A/Cefixime tert-Butyl Ester/(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-(tert-butoxy)-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 79368-92-6 C20H23N5O7S2
Cilastatin EP Impurity A Cilastatin EP Impurity A
21-Hydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione 21-Hydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione 56016-90-1 C22H28O3
Azlocillin Oxide Impurity Azlocillin Oxide Impurity
N-Desmethyl O-Methyl Clobazam N-Desmethyl O-Methyl Clobazam 2009208-96-0 C16H15ClN2O3
Iohexol EP Impurity F Iohexol EP Impurity F 1215856-35-1 C14H19I2N3O6
MAESAQUINONE MAESAQUINONE 19833-20-6 C26H42O4
2(1H)-Quinolinone, 7-[4-(4-benzo[b]thien-4-yl-1-piperazinyl)butoxy]-1-[4-(4-benzo[b]thien-4-yl-1-piperazinyl)butyl]- 2(1H)-Quinolinone, 7-[4-(4-benzo[b]thien-4-yl-1-piperazinyl)butoxy]-1-[4-(4-benzo[b]thien-4-yl-1-piperazinyl)butyl]- 2137823-20-0 C41H47N5O2S2
((2R,3S,4R,5R,6S)-6-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methyl acetate ((2R,3S,4R,5R,6S)-6-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methyl acetate 2452301-09-4 C25H29ClO8
10-methoxy-1,6-dimethylergoline-8beta-methanol 10-methoxy-1,6-dimethylergoline-8beta-methanol 35155-28-3 C18H24N2O2
[6R-[6alpha,7beta(Z)]]-7-[2-furyl(methoxyimino)acetamido]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid [6R-[6alpha,7beta(Z)]]-7-[2-furyl(methoxyimino)acetamido]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 56271-94-4 C15H15N3O7S
7-hydroxy-4-benzopyrone 7-hydroxy-4-benzopyrone 59887-89-7 C9H6O3
4,7-Dimethoxyquinoline-6-carboxamide 4,7-Dimethoxyquinoline-6-carboxamide 2839104-94-6 C12H12N2O3
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