| | Identification | Back Directory |  | [Name] 
 (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
 |  | [CAS] 
 857629-79-9
 |  | [Synonyms] 
 Entacapone impurity D
 (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-
 Entacapone Impurity 4(Entacapone EP Impurity D)
 Entacapone Impurity 4(Entacapone EP Impurity A)
 Entacapone Impurity 20(Entacapone EP Impurity D)
 (E)-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
 (E)-2-cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide
 (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
 2-Propenamide, 2-cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-, (2E)-
 Imp. D (EP):(2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide
 |  | [Molecular Formula] 
 C16H19N3O5
 |  | [MOL File] 
 857629-79-9.mol
 |  | [Molecular Weight] 
 333.34
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide is an impurity of Entacapone (E558500), a peripherally acting inhibitor of catechol-O-methyl transferase (COMT), an enzyme involved in the metabolism of catecholamine neurotransmitters and related drugs. Antiparkinsonian.
 |  | [Definition] 
 ChEBI:3-O-ethylentacapone is a C-nitro compound that is entacapone in which the phenolic hydroxy group that is meta to the nitro group has been converted into the corresponding ethyl ether. It is a monocarboxylic acid amide, a nitrile, an aromatic ether and a member of 2-nitrophenols. It is functionally related to a 5-nitrovanillin and an entacapone.
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