Entacapone Impurity 4 Chemical Properties

Melting point:

214 °C

Boiling point:

457.3±45.0 °C(Predicted)

Density 

1.563±0.06 g/cm3(Predicted)

pka

0.51±0.10(Predicted)

Entacapone Impurity 4 Usage And Synthesis

Uses

(2E)?-2-Cyano-?3-?(4-?hydroxy-?3-?methoxy-?5-?nitrophenyl)?-?2-?propenoic Acid (Entacapone Impurity 4) is an impurity of Entacapone, which is an isomer of Entacapone polymorphic form A. Entacapone is a selective and reversible catechol-O-methyltransferase (COMT) inhibitor.

Entacapone Impurity 4(1202160-40-4)Related Product Information

• (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
• (alphaE)-alpha-[(3,4-Dihydroxy-5-nitrophenyl)methylene]-beta-oxo-1-piperidinepropanenitrile
• (E/Z)-3-O-Methyl Entacapone
• 3,4-Dihydroxy-5-Nitrobenzoic Acid
• Entacapone Impurity 10
• Entacapone EP IMpurity I
• 3-Nitro-4,5-dihydroxybenzaldehyde
• CIS-ENTACAPONE
• (E)-3-O-Methyl Entacapone
• Entacapone
• 6-Methoxy-2,4-dinitrophenol
• 3,5-DINITROCATECHOL
• Entacapone 3-b-D-Glucuronide
• Entacapone Impurity 13
• TYRPHOSTIN AG 1290
• 2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)-
• Entacapone 4-β-D-Glucuronide