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Entacapone Impurity 4

Entacapone Impurity 4 Basic information
Product Name:Entacapone Impurity 4
Synonyms:Entacapone Impurity 4;Entacapone Impurity;(2E)?-2-Cyano-?3-?(4-?hydroxy-?3-?methoxy-?5-?nitrophenyl)?-?2-?propenoic Acid;Entacapone Impurity 25;(E)-2-Cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylic acid;2-Propenoic acid, 2-cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-, (2E)-
CAS:1202160-40-4
MF:C11H8N2O6
MW:264.19
EINECS:
Product Categories:
Mol File:1202160-40-4.mol
Entacapone Impurity 4 Structure
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)
pka0.51±0.10(Predicted)
Safety Information
MSDS Information
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 Preparation Products And Raw materials
3,4-Dihydroxy-5-Nitrobenzoic Acid (E/Z)-3-O-Methyl Entacapone (alphaE)-alpha-[(3,4-Dihydroxy-5-nitrophenyl)methylene]-beta-oxo-1-piperidinepropanenitrile (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide Entacapone 4-β-D-Glucuronide 2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)- TYRPHOSTIN AG 1290 Entacapone Impurity 13 Entacapone 3-b-D-Glucuronide 3,5-DINITROCATECHOL 6-Methoxy-2,4-dinitrophenol Entacapone (E)-3-O-Methyl Entacapone CIS-ENTACAPONE 3-Nitro-4,5-dihydroxybenzaldehyde Entacapone EP IMpurity I Entacapone Impurity 10
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