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1(2H)-Phthalazinone
CAS: 119-39-1 | C8H6N2O
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
119-39-1
Molecular Formula:
C8H6N2O
Molecular Mass:
146.15 g/mol
Names and Synonyms:
1(2H)-Phthalazinone
1(2H)-Phthalazinone
1-Phthalazinol
Phthalazinone
Phthalazin-1-one
1-Hydroxyphthalazine
1-Oxophthalazine
ICX 56225770
NSC 10432
NSC 52567
2H-Phthalaz-1-one
1-Hydroxy-2,3-benzodiazine
Identifiers:
SMILES:
Oc1nncc2ccccc12
InChI:
InChI=1S/C8H6N2O/c11-8-7-4-2-1-3-6(7)5-9-10-8/h1-5H,(H,10,11)
Key Properties
Melting Point
188 °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 | 146.15 g/mol | CAS Common Chemistry |
| 146.14899999999997 g/mol | RDKit | |
| 146.048012812 g/mol | RDKit | |
| Canonical SMILES | O=C1NN=CC=2C=CC=CC21 | CAS Common Chemistry |
| InChI | InChI=1S/C8H6N2O/c11-8-7-4-2-1-3-6(7)5-9-10-8/h1-5H,(H,10,11) | CAS Common Chemistry |
| InChI Key | InChIKey=IJAPPYDYQCXOEF-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 188 °C | CAS Common Chemistry |
| Name | 1(2H)-Phthalazinone | CAS Common Chemistry |
| Heavy Atom Count | 11 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 46.010000000000005 Ų | RDKit |
| LogP | 1.3354 | RDKit |
| Molar Refractivity | 41.20280000000002 | RDKit |
