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Tolcapone
CAS: 134308-13-7 | C14H11NO5
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
134308-13-7
Molecular Formula:
C14H11NO5
Molecular Mass:
273.24 g/mol
Names and Synonyms:
Tolcapone
Methanone, (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)-
(3,4-Dihydroxy-5-nitrophenyl)(4-methylphenyl)methanone
Ro 40-7592
Tolcapone
3,4-Dihydroxy-4′-methyl-5-nitrobenzophenone
Tasmar
Identifiers:
SMILES:
Cc1ccc(C(=O)c2cc(O)c(O)c([N+](=O)[O-])c2)cc1
InChI:
InChI=1S/C14H11NO5/c1-8-2-4-9(5-3-8)13(17)10-6-11(15(19)20)14(18)12(16)7-10/h2-7,16,18H,1H3
Key Properties
Melting Point
141-143 °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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 273.24 g/mol | CAS Common Chemistry |
| 273.24399999999997 g/mol | RDKit | |
| 273.06372245200004 g/mol | RDKit | |
| Canonical SMILES | O=C(C1=CC=C(C=C1)C)C2=CC(O)=C(O)C(=C2)N(=O)=O | CAS Common Chemistry |
| InChI | InChI=1S/C14H11NO5/c1-8-2-4-9(5-3-8)13(17)10-6-11(15(19)20)14(18)12(16)7-10/h2-7,16,18H,1H3 | CAS Common Chemistry |
| InChI Key | InChIKey=MIQPIUSUKVNLNT-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 141-143 °C | CAS Common Chemistry |
| Name | Tolcapone | CAS Common Chemistry |
| Heavy Atom Count | 20 | RDKit |
| Hydrogen Bond Acceptors | 5 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 3 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 100.67 Ų | RDKit |
| LogP | 2.545420000000002 | RDKit |
| Molar Refractivity | 71.03750000000001 | RDKit |
