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Entacapone

CAS: 130929-57-6 | C14H15N3O5

2D Structure

3D Structure

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Basic Information

CAS Registry Number: 130929-57-6
Molecular Formula: C14H15N3O5
Molecular Mass: 305.29 g/mol

Names and Synonyms:

Entacapone
2-Propenamide, 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-, (2E)-
2-Propenamide, 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-, (E)-
(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
Entacapone
Comtan
OR 611
(E)-Entacapone
Entacom
Parkicapone
Comtess

Identifiers:

SMILES:
CCN(CC)C(=O)/C(C#N)=C/c1cc(O)c(O)c([N+](=O)[O-])c1
InChI:
InChI=1S/C14H15N3O5/c1-3-16(4-2)14(20)10(8-15)5-9-6-11(17(21)22)13(19)12(18)7-9/h5-7,18-19H,3-4H2,1-2H3/b10-5+

Key Properties

Melting Point
162-163 °C CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 305.29 g/mol CAS Common Chemistry
305.10117058 g/mol RDKit
Canonical SMILES N#CC(=CC1=CC(O)=C(O)C(=C1)N(=O)=O)C(=O)N(CC)CC CAS Common Chemistry
InChI InChI=1S/C14H15N3O5/c1-3-16(4-2)14(20)10(8-15)5-9-6-11(17(21)22)13(19)12(18)7-9/h5-7,18-19H,3-4H2,1-2H3/b10-5+ CAS Common Chemistry
InChI Key InChIKey=JRURYQJSLYLRLN-BJMVGYQFSA-N CAS Common Chemistry
Melting Point 162-163 °C CAS Common Chemistry
Name Entacapone CAS Common Chemistry
Heavy Atom Count 22 RDKit
Hydrogen Bond Acceptors 6 RDKit
Hydrogen Bond Donors 2 RDKit
Rotatable Bonds 5 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 127.70000000000002 Ų RDKit
LogP 1.7813800000000002 RDKit
Molar Refractivity 77.94400000000002 RDKit

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