Entacapone Impurities

Entacapone 5-Nitrovanillin Dimer Impurity

CAS No. : NA
Synonyms : 2,4-Dicyano-N1,N1,N5,N5-tetraethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)pentanediamide
Catalog No. : SA26912
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Entacapone 3-Methyl Ether

CAS No. : 857629-78-8
Synonyms : (E)-3-O-Methyl Entacapone; (2E)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-2-propenamide
Catalog No. : SA26911
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Entacapone Benzoic Acid Impurity

CAS No. : 84211-30-3
Synonyms : 3,4-Dihydroxy-5-nitrobenzoic acid; 3-Nitro-4,5-dihydroxybenzoic Acid
Catalog No. : SA26910
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Entacapone EP Impurity I

CAS No. : 1364322-42-8
Synonyms : propyl(2E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop2-enoate; n-Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
Catalog No. : SA26909
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Entacapone EP Impurity H

CAS No. : 1150310-15-8
Synonyms : (2E)-3-(3,4-dihydroxy-5-nitrophenyl)-2-(piperidin-1ylcarbonyl)prop-2-ennitrile; (αE)-α-[(3,4-Dihydroxy-5-nitrophenyl)methylene]-β-oxo-1-piperidinepropanenitrile; (E)-3-(3,4-dihydroxy-5-nitrophenyl)-2-(piperidine-1-carbonyl)prop-2-enenitrile
Catalog No. : SA26908
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Entacapone EP Impurity G

CAS No. : 1364322-41-7
Synonyms : N,N-Bis-desethyl, N-Methyl Entacapone; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-2-propenamide; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide; (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methylprop-2-enamide
Catalog No. : SA26907
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Entacapone EP Impurity F

CAS No. : 160391-70-8
Synonyms : (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid; Entacapone Acid; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-2-propenoic Acid
Catalog No. : SA26906
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Entacapone EP Impurity E

CAS No. : 7659-29-2
Synonyms : 3,5-dinitrobenzene-1,2-diol; 1,2-Dihydroxy-3,5-dinitrobenzene; 3,5-Dinitro-pyrocatechol; 3,5-Dinitro-1,2-benzenediol; 3,5-Dinitrocatechol
Catalog No. : SA26905
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Entacapone EP Impurity D

CAS No. : 857629-79-9
Synonyms : 3-O-ethylentacapone; (2E)-2-cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide; N,N-diethyl-2-cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)acrylamide; (E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylacrylamide
Catalog No. : SA26904
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Entacapone EP Impurity C

CAS No. : 116313-85-0
Synonyms : 3,4-dihydroxy-5-nitrobenzaldehyde; 3-Nitro-4,5-dihydroxybenzaldehyde
Catalog No. : SA26903
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Entacapone EP Impurity B

CAS No. : 1215039-66-9
Synonyms : Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
Catalog No. : SA26902
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Entacapone EP Impurity A

CAS No. : 145195-63-7
Synonyms : Entacapone USP RC A; cis-Entacapone; (Z)-Entacapone; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide; 4-dihydroxy-5-nitrophenyl) acrylamide
Catalog No. : SA26901
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Entacapone

CAS No. : 130929-57-6
Synonyms : (E)-Entacapone; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
Catalog No. : SA26900
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