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Entacapone Impurity 4

Product Name
Entacapone Impurity 4
CAS No.
1202160-40-4
Chemical Name
Entacapone Impurity 4
Synonyms
Entacapone Impurity;Entacapone Impurity 4;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)-;(2E)?-2-Cyano-?3-?(4-?hydroxy-?3-?methoxy-?5-?nitrophenyl)?-?2-?propenoic Acid
CBNumber
CB84800437
Molecular Formula
C11H8N2O6
Formula Weight
264.19
MOL File
1202160-40-4.mol
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Entacapone Impurity 4 Property

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)
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC
Product number
C955790
Product name
(2E)​-2-Cyano-​3-​(4-​hydroxy-​3-​methoxy-​5-​nitrophenyl)​-​2-​propenoicAcid
Packaging
1mg
Price
$165
Updated
2021/12/16
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Entacapone Impurity 4 Chemical Properties,Usage,Production

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

Raw materials

Preparation Products

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