Chemicals

Enzalutamide Impurity J | GNT-ST-17471| Gentaur Distribution US, UK & EuropeSynonyms: 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-2,4-dioxoimidazolidin-1-yl)-2-fluoro-N-methylbenzamideFormula: C21H16F4N4O3Molecular Weight: 448,37CAS:...

Enzalutamide Impurity 37 | GNT-ST-17470| Gentaur Distribution US, UK & EuropeSynonyms: (3-bromo-4-fluorophenyl)methanolFormula: C7H6BrFOMolecular Weight: 205,03CAS: 77771-03-0

Enzalutamide Impurity 38 | GNT-ST-17469| Gentaur Distribution US, UK & EuropeSynonyms: 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)benzoic acidFormula: C20H14F3N3O3SMolecular Weight: 433,41CAS: N/A

Entecavir Impurity 131 | GNT-ST-17468| Gentaur Distribution US, UK & EuropeSynonyms:...

Entecavir Impurity 132 | GNT-ST-17467| Gentaur Distribution US, UK & EuropeSynonyms:...

Entecavir Impurity A | GNT-ST-17466| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-oneFormula: C12H15N5O3Molecular Weight: 277,28CAS: N/A

Entecavir Impurity 134 | GNT-ST-17465| Gentaur Distribution US, UK & EuropeSynonyms: (1R,2S,3S,5R)-5-(2-amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-olFormula: C32H33N5O4Molecular Weight: 551,65CAS: N/A

Entecavir Impurity 135 | GNT-ST-17464| Gentaur Distribution US, UK & EuropeSynonyms: (1S,2S,3R,4S)-2-(2-amino-6-(benzyloxy)-9H-purin-9-yl)-4-(benzyloxy)-3-((benzyloxy)methyl)cyclopentan-1-olFormula: C32H33N5O4Molecular Weight: 551,65CAS: N/A

Entecavir Impurity 136 | GNT-ST-17463| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,4S)-3,4-dihydroxy-3-methyl-2-methylenecyclopentyl)-8-methoxy-1,9-dihydro-6H-purin-6-oneFormula: C13H17N5O4Molecular Weight: 307,31CAS: N/A

Entecavir Impurity 137 | GNT-ST-17462| Gentaur Distribution US, UK & EuropeSynonyms: (1S,2S,3R,5S)-5-(2-amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-olFormula: C32H33N5O4Molecular Weight: 551,65CAS: N/A

Entecavir Impurity 2 | GNT-ST-17461| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one hydrateFormula: C12H17N5O4Molecular Weight: 295,29CAS: 1367369-76-3(free...

Entecavir Impurity 4 | GNT-ST-17460| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one hydrateFormula: C12H15N5O3 H2OMolecular Weight: 277.28 18.02CAS: N/A

Entecavir Impurity 41 | GNT-ST-17459| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-8-hydroxy-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-oneFormula: C12H15N5O4Molecular Weight: 293,28CAS: N/A

Entecavir Impurity 45 | GNT-ST-17458| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-oneFormula: C26H27N5O3Molecular Weight: 457,52CAS: 142217-81-0

Entecavir Impurity 47 | GNT-ST-17457| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-8-methoxy-1H-purin-6(9H)-oneFormula: C13H17N5O4Molecular Weight: 307,31CAS: N/A

Entecavir Impurity 5 | GNT-ST-17456| Gentaur Distribution US, UK & EuropeSynonyms: 6-amino-1-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-imidazo[4,5-c]pyridin-4(5H)-oneFormula: C13H16N4O3Molecular Weight: 276,29CAS: N/A

Entecavir Impurity 50 | GNT-ST-17455| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-4-(hydroxydimethylsilyl)-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-oneFormula: C14H21N5O3SiMolecular Weight: 335,43CAS: N/A

Entecavir Impurity 51 | GNT-ST-17454| Gentaur Distribution US, UK & EuropeSynonyms: 6-(benzyloxy)-9H-purin-2-amineFormula: C12H11N5OMolecular Weight: 241,25CAS: N/A

Entecavir Impurity 52 | GNT-ST-17453| Gentaur Distribution US, UK & EuropeSynonyms: (1S,2S,3S,5S)-5-(2-amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentanolFormula: C32H33N5O4Molecular Weight: 551,64CAS: N/A

Entecavir Impurity 53 | GNT-ST-17452| Gentaur Distribution US, UK & EuropeSynonyms: (1S,2S,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentanolFormula: C52H49N5O5Molecular...

Entecavir Impurity 133 | GNT-ST-17451| Gentaur Distribution US, UK & EuropeSynonyms: 4-hydroxy-N-(9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)benzamideFormula: C19H19N5O5Molecular Weight:...

Entecavir Impurity 54 | GNT-ST-17450| Gentaur Distribution US, UK & EuropeSynonyms: (2R,3S,5S)-3-(benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-9H-purin-9-yl)-2-((benzyloxy)methyl)cyclopentanoneFormula: C52H47N5O5Molecular...

Entecavir Impurity 55 | GNT-ST-17449| Gentaur Distribution US, UK & EuropeSynonyms: 6-(benzyloxy)-9-((1S,3R,4S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amineFormula:...

Entecavir Impurity 56 | GNT-ST-17448| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,2S,3R,4S)-2,4-dihydroxy-3-(hydroxymethyl)cyclopentyl)-1H-purin-6(9H)-oneFormula: C11H15N5O4Molecular Weight: 281,27CAS: N/A

Entecavir Impurity 57 | GNT-ST-17447| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,4S)-4-hydroxy-2-methylene-3-oxocyclopentyl)-1H-purin-6(9H)-oneFormula: C11H11N5O3Molecular Weight: 261,24CAS: N/A

Entecavir Impurity 58 | GNT-ST-17446| Gentaur Distribution US, UK & EuropeSynonyms: tert-butyl (6-chloro-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-9H-purin-2-yl)carbamateFormula: C17H22ClN5O4Molecular Weight: 395,84CAS:...

Entecavir Impurity 6 | GNT-ST-17445| Gentaur Distribution US, UK & EuropeSynonyms: 2-((9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)amino)propanoic acidFormula: C15H19N5O5Molecular Weight:...

Entecavir Impurity 7 | GNT-ST-17444| Gentaur Distribution US, UK & EuropeSynonyms: 2-((9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)amino)propanoic acidFormula: C15H19N5O5Molecular Weight:...

Entecavir Impurity 8 | GNT-ST-17443| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-4-(hydroxydimethylsilyl)-3-(hydroxymethyl)-2-methylenecyclopentyl)-3H-purin-6(9H)-oneFormula: C14H21N5O3SiMolecular Weight: 335,43CAS: N/A

Entecavir Impurity 8 | GNT-ST-17442| Gentaur Distribution US, UK & EuropeSynonyms: 2-((9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)amino)propanoic acidFormula: C15H19N5O5Molecular Weight:...

Entecavir Impurity 9 | GNT-ST-17441| Gentaur Distribution US, UK & EuropeSynonyms: 2-((9-((1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)amino)propanoic acidFormula: C15H19N5O5Molecular Weight:...

Entecavir Impurity I | GNT-ST-17440| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((3aS,4S,6S,6aR)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-3H-purin-6(9H)-oneFormula: C12H15N5O4Molecular Weight: 293,28CAS: 1984788-96-6

Entecavir Impurity J | GNT-ST-17439| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-8-hydroxy-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-3H-purin-6(9H)-oneFormula: C12H15N5O4Molecular Weight: 293,28CAS: N/A

Entecavir Impurity K | GNT-ST-17438| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-8-methoxy-3H-purin-6(9H)-oneFormula: C12H15N5O4Molecular Weight: 293,28CAS: N/A

Enzalutamide | GNT-ST-17437| Gentaur Distribution US, UK & EuropeSynonyms: 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)-2-fluoro-N-methylbenzamideFormula: C21H16F4N4O2SMolecular Weight: 464,44CAS: 915087-33-1

Enzalutamide D6 Carboxylic Acid | GNT-ST-17436| Gentaur Distribution US, UK & EuropeSynonyms: Enzalutamide D6 Carboxylic acidFormula: C20H7D6F4N3O3SMolecular Weight: 457,43CAS: N/A

Enzalutamide D3 | GNT-ST-17435| Gentaur Distribution US, UK & EuropeSynonyms: 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)-2-fluoro-N-(methyl-d3)benzamideFormula: C21H13D3F4N4O2SMolecular Weight: 467,46CAS:...

Enzalutamide-D3 | GNT-ST-17434| Gentaur Distribution US, UK & EuropeSynonyms: 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-bis(methyl-d3)-4-oxo-2-thioxoimidazolidin-1-yl)-2-fluoro-N-methylbenzamideFormula: C21H10D6F4N4O2SMolecular Weight: 470,48CAS:...

Enzalutamide Impurity 30 | GNT-ST-17433| Gentaur Distribution US, UK & EuropeSynonyms: 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-2-hydroxy-5,5-dimethyl-4-oxoimidazolidin-1-yl)-2-fluoro-N-methylbenzamideFormula: C21H18F4N4O3Molecular Weight: 450,39CAS:...

Enzalutamide Impurity 31 | GNT-ST-17432| Gentaur Distribution US, UK & EuropeSynonyms: methyl 2-((3-fluoro-4-(methylcarbamoyl)phenyl)amino)-2-methylpropanoateFormula: C13H17FN2O3Molecular Weight: 268,28CAS: N/A

Enzalutamide Impurity 29 | GNT-ST-17431| Gentaur Distribution US, UK & EuropeSynonyms: methyl 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)benzoateFormula: C21H16F3N3O3SMolecular Weight: 447,43CAS: N/A

Enzalutamide Impurity 32 | GNT-ST-17430| Gentaur Distribution US, UK & EuropeSynonyms: 2-((3-fluoro-4-(methylcarbamoyl)phenyl)amino)-2-methylpropanoic acidFormula: C12H15FN2O3Molecular Weight: 254,26CAS: 1289942-66-0

Enzalutamide Impurity 33 | GNT-ST-17429| Gentaur Distribution US, UK & EuropeSynonyms: 1,3-bis(4-cyano-3-(trifluoromethyl)phenyl)thioureaFormula: C17H8F6N4SMolecular Weight: 414,33CAS: 1839619-50-9

Enzalutamide Impurity 34 | GNT-ST-17428| Gentaur Distribution US, UK & EuropeSynonyms: 1,3-bis(4-cyano-3-(trifluoromethyl)phenyl)-1-methylureaFormula: C18H10F6N4OMolecular Weight: 412,3CAS: N/A

Enzalutamide Impurity 35 | GNT-ST-17427| Gentaur Distribution US, UK & EuropeSynonyms: 4-(3-(3-fluoro-4-(methylcarbamoyl)phenyl)-4,4-dimethyl-5-oxo-2-thioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzoic acidFormula: C21H17F4N3O4SMolecular Weight:...

Enzalutamide Impurity 36 | GNT-ST-17426| Gentaur Distribution US, UK & EuropeSynonyms: 3-bromo-4-fluorobenzoic acidFormula: C7H4BrFO2Molecular Weight: 219,01CAS: 1007-16-5

Enzalutamide Impurity 39 | GNT-ST-17425| Gentaur Distribution US, UK & EuropeSynonyms: 1-(4-cyano-3-(trifluoromethyl)phenyl)-3-methylthioureaFormula: C10H8F3N3SMolecular Weight: 259,25CAS: N/A

Enzalutamide Impurity 40 | GNT-ST-17424| Gentaur Distribution US, UK & EuropeSynonyms: 4-amino-2-fluoro-N-methylbenzamideFormula: C8H9FN2OMolecular Weight: 168,17CAS: 915087-25-1

Enzalutamide Impurity 41 | GNT-ST-17423| Gentaur Distribution US, UK & EuropeSynonyms: 4-bromo-2-fluorobenzamideFormula: C7H5BrFNOMolecular Weight: 218,03CAS: N/A

Entecavir Impurity 138 | GNT-ST-17422| Gentaur Distribution US, UK & EuropeSynonyms: (1R,2R,3R,4R)-2-(2-amino-6-(benzyloxy)-9H-purin-9-yl)-4-(benzyloxy)-3-((benzyloxy)methyl)cyclopentan-1-olFormula: C32H33N5O4Molecular Weight: 551,65CAS: N/A

Entecavir Impurity 139 | GNT-ST-17421| Gentaur Distribution US, UK & EuropeSynonyms: (1R,2S,3R,5R)-5-(2-amino-6-(benzyloxy)-9H-purin-9-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentan-1-olFormula: C32H33N5O4Molecular Weight: 551,65CAS: N/A

Entecavir Impurity 140 | GNT-ST-17420| Gentaur Distribution US, UK & EuropeSynonyms: (1S,2S,3R,4R)-2-(2-amino-6-(benzyloxy)-9H-purin-9-yl)-4-(benzyloxy)-3-((benzyloxy)methyl)cyclopentan-1-olFormula: C32H33N5O4Molecular Weight: 551,65CAS: N/A

Enzalutamide Impurity 2 | GNT-ST-17419| Gentaur Distribution US, UK & EuropeSynonyms: 2-((4-carbamoyl-3-fluorophenyl)amino)-2-methylpropanoic acidFormula: C11H13FN2O3Molecular Weight: 240,23CAS: 1242137-20-7

Entecavir Impurity 113 | GNT-ST-17418| Gentaur Distribution US, UK & EuropeSynonyms: 6-(benzyloxy)-9-((1R,3S,4S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amineFormula:...

Entacapone Impurity 94 | GNT-ST-17417| Gentaur Distribution US, UK & EuropeSynonyms: 3-hydroxy-2-methoxy-4-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: N/A

Entacapone Impurity 83 | GNT-ST-17416| Gentaur Distribution US, UK & EuropeSynonyms: (E)-2-cyano-3-(4,5-dihydroxy-2-nitrophenyl)-N,N-diethylacrylamideFormula: C14H15N3O5Molecular Weight: 305,29CAS: N/A

Entacapone Impurity 92 | GNT-ST-17415| Gentaur Distribution US, UK & EuropeSynonyms: 3-hydroxy-2-methoxy-5-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: N/A

Entacapone Impurity 95 | GNT-ST-17414| Gentaur Distribution US, UK & EuropeSynonyms: 3,4-dinitrobenzaldehydeFormula: C7H4N2O5Molecular Weight: 196,12CAS: N/A

Entacapone Impurity 96 | GNT-ST-17413| Gentaur Distribution US, UK & EuropeSynonyms: (E)-2,4-dicyano-3-(3,4-dihydroxy-5-nitrophenyl)-N1,N1,N5,N5-tetraethylpent-2-enediamideFormula: C21H25N5O6Molecular Weight: 443,46CAS: N/A

Entacapone Impurity 97 | GNT-ST-17412| Gentaur Distribution US, UK & EuropeSynonyms: (E)-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylacrylamideFormula: C13H16N2O5Molecular Weight: 280,28CAS: N/A

Entacapone Impurity 98 | GNT-ST-17411| Gentaur Distribution US, UK & EuropeSynonyms: (Z)-3-(3,4-dihydroxy-5-nitrophenyl)acrylonitrileFormula: C9H6N2O4Molecular Weight: 206,16CAS: N/A

Entacapone Impurity 99 | GNT-ST-17410| Gentaur Distribution US, UK & EuropeSynonyms: 5-ethyl-3-nitrobenzene-1,2-diolFormula: C8H9NO4Molecular Weight: 183,16CAS: N/A

Entecavir | GNT-ST-17409| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-oneFormula: C12H15N5O3Molecular Weight: 277,28CAS: 142217-69-4

Entecavir USP Related Compound A | GNT-ST-17408| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-3-((benzyloxy)methyl)-4-(dimethyl(phenyl)silyl)-2-methylenecyclopentyl)-3H-purin-6(9H)-oneFormula: C27H31N5O2SiMolecular Weight:...

Entecavir EP Impurity A | GNT-ST-17407| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one hydrateFormula: C12H17N5O4Molecular Weight: 295,29CAS:...

Entecavir EP Impurity B | GNT-ST-17406| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-oneFormula: C12H15N5O3Molecular Weight: 277,28CAS: 1367369-77-4

Entecavir EP Impurity C | GNT-ST-17405| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purine-6,8(7H,9H)-dioneFormula: C12H15N5O4Molecular Weight: 293,28CAS: N/A

Entecavir EP Impurity D | GNT-ST-17404| Gentaur Distribution US, UK & EuropeSynonyms: 2-AMino-1,9-dihydro-9-[(1S,3R,4R)-4-hydroxy-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-oneFormula: C12H15N5O3Molecular Weight: 277,29CAS: 1367369-80-9

Entecavir EP Impurity E | GNT-ST-17403| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-8-methoxy-1H-purin-6(9H)-oneFormula: C13H17N5O4Molecular Weight: 307,31CAS: 2203740-23-0

Entecavir EP Impurity F | GNT-ST-17402| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1S,3R,4S)-3-((benzyloxy)methyl)-4-(dimethyl(phenyl)silyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-oneFormula: C27H31N5O2SiMolecular Weight: 485,65CAS:...

Entecavir Impurity 110 | GNT-ST-17401| Gentaur Distribution US, UK & EuropeSynonyms: (1S,2R,3S,5R)-3-(benzyloxy)-2-((benzyloxy)methyl)-6-oxabicyclo[3.1.0]hexaneFormula: C20H22O3Molecular Weight: 310,39CAS: 110567-22-1

Entacapone Impurity 85 | GNT-ST-17400| Gentaur Distribution US, UK & EuropeSynonyms: 2-(3,4-dihydroxyphenyl)-2-oxoacetic acidFormula: C8H6O5Molecular Weight: 182,13CAS: N/A

Entecavir Impurity 59 | GNT-ST-17399| Gentaur Distribution US, UK & EuropeSynonyms: (1S,2R,3S,5R)-2-((benzyloxy)methyl)-6-oxabicyclo[3.1.0]hexan-3-olFormula: C13H16O3Molecular Weight: 220,26CAS: 117641-39-1

Entecavir Impurity 112 | GNT-ST-17398| Gentaur Distribution US, UK & EuropeSynonyms: 2-amino-9-((1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2- methylenecyclopentyl)-1,9-dihydro-6H-purin-6-oneFormula: C12H15N5O3Molecular Weight: 277,28CAS: 1333204-93-5

Entacapone Impurity 86 | GNT-ST-17397| Gentaur Distribution US, UK & EuropeSynonyms: 3-hydroxy-4-methoxy-5-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: 80547-69-9

Entacapone Impurity 87 | GNT-ST-17396| Gentaur Distribution US, UK & EuropeSynonyms: 3-hydroxy-4-methoxy-2-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: 6284-92-0

Entacapone Impurity 88 | GNT-ST-17395| Gentaur Distribution US, UK & EuropeSynonyms: 5-hydroxy-4-methoxy-2-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: 58749-47-6

Entacapone Impurity 89 | GNT-ST-17394| Gentaur Distribution US, UK & EuropeSynonyms: 2-hydroxy-3-methoxy-5-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: 17028-61-4

Entacapone Impurity 90 | GNT-ST-17393| Gentaur Distribution US, UK & EuropeSynonyms: 2-hydroxy-3-methoxy-6-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: 2426-86-0

Entacapone Impurity 91 | GNT-ST-17392| Gentaur Distribution US, UK & EuropeSynonyms: 2-hydroxy-3-methoxy-4-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: 20041-61-6

Entacapone Impurity 84 | GNT-ST-17391| Gentaur Distribution US, UK & EuropeSynonyms: 2-(3,4-dihydroxyphenyl)-2-hydroxyacetic acidFormula: C8H8O5Molecular Weight: 184,15CAS: N/A

Entacapone Impurity 93 | GNT-ST-17390| Gentaur Distribution US, UK & EuropeSynonyms: 3-hydroxy-2-methoxy-6-nitrobenzaldehydeFormula: C8H7NO5Molecular Weight: 197,15CAS: 144683-49-8

Entacapone Impurity 74 | GNT-ST-17389| Gentaur Distribution US, UK & EuropeSynonyms: (E)-2-cyano-3-(3,4-dihydroxy-2-nitrophenyl)-N,N-diethylacrylamideFormula: C14H15N3O5Molecular Weight: 305,29CAS: N/A

Entacapone Impurity 71 | GNT-ST-17388| Gentaur Distribution US, UK & EuropeSynonyms: (E)-2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethylacrylamideFormula: C14H16N2O3Molecular Weight: 260,29CAS: 1217439-96-7

Entacapone Impurity 60 | GNT-ST-17387| Gentaur Distribution US, UK & EuropeSynonyms: 2-cyano-N-ethylacetamideFormula: C5H8N2OMolecular Weight: 112,13CAS: 15029-36-4

Entacapone Impurity 61 | GNT-ST-17386| Gentaur Distribution US, UK & EuropeSynonyms: 2-cyano-N-methylacetamideFormula: C4H6N2OMolecular Weight: 98,1CAS: 6330-25-2

Entacapone Impurity 62 | GNT-ST-17385| Gentaur Distribution US, UK & EuropeSynonyms: 2-methoxy-4,6-dinitrophenolFormula: C7H6N2O6Molecular Weight: 214,13CAS: 4097-63-6

Entacapone Impurity 63 | GNT-ST-17384| Gentaur Distribution US, UK & EuropeSynonyms: 2-hydroxy-3-methoxybenzaldehydeFormula: C8H8O3Molecular Weight: 152,15CAS: 148-53-8

Entacapone Impurity 64 | GNT-ST-17383| Gentaur Distribution US, UK & EuropeSynonyms: 2-hydroxy-5-methoxybenzaldehydeFormula: C8H8O3Molecular Weight: 152,15CAS: 672-13-9

Entacapone Dimer | GNT-ST-17382| Gentaur Distribution US, UK & EuropeSynonyms: 2,4-dicyano-3-(3,4-dihydroxy-5-nitrophenyl)-N1,N1,N5,N5-tetraethylpentanediamideFormula: C21H27N5O6Molecular Weight: 445,47CAS: N/A

Entacapone EP Impurity C | GNT-ST-17381| Gentaur Distribution US, UK & EuropeSynonyms: 3,4-dihydroxy-5-nitrobenzaldehydeFormula: C7H5N05Molecular Weight: 183,12CAS: 116313-85-0

Entacapone EP Impurity E | GNT-ST-17380| Gentaur Distribution US, UK & EuropeSynonyms: 3,5-dinitrobenzene-1,2-diolFormula: C6H4N2O6Molecular Weight: 200,11CAS: 7659-29-2

Entacapone EP Impurity D | GNT-ST-17379| Gentaur Distribution US, UK & EuropeSynonyms: (E)-2-cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylacrylamideFormula: C16H19N3O5Molecular Weight: 333,34CAS: 857629-79-9

Entacapone EP Impurity A | GNT-ST-17378| Gentaur Distribution US, UK & EuropeSynonyms: (Z)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylacrylamideFormula: C14H15N3O5Molecular Weight: 305,29CAS: 145195-63-7

Entacapone | GNT-ST-17377| Gentaur Distribution US, UK & EuropeSynonyms: (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylacrylamideFormula: C14H15N3O5Molecular Weight: 305,29CAS: 130929-57-6

Emtricitabine Impurity H | GNT-ST-17376| Gentaur Distribution US, UK & EuropeSynonyms: isopropyl (5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)carbamateFormula: C12H16FN3O5SMolecular Weight: 333,34CAS: N/A

Emtricitabine Impurity F | GNT-ST-17375| Gentaur Distribution US, UK & EuropeSynonyms:...

Emtricitabine Impurity 40 | GNT-ST-17374| Gentaur Distribution US, UK & EuropeSynonyms: (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl methanesulfonateFormula: C11H22O3SMolecular Weight: 234,35CAS: 61548-81-0

Emtricitabine Impurity 42 | GNT-ST-17373| Gentaur Distribution US, UK & EuropeSynonyms: (2S,5S)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acidFormula: C8H8FN3O4SMolecular Weight: 261,23CAS: N/A

Emtricitabine Impurity 43 | GNT-ST-17372| Gentaur Distribution US, UK & EuropeSynonyms: 4-amino-5-fluoro-1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-oneFormula: C8H10FN3O3SMolecular Weight: 247,24CAS: 144371-00-6