Back to Search
Piroxicam
CAS: 36322-90-4 | C15H13N3O4S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
36322-90-4
Molecular Formula:
C15H13N3O4S
Molecular Weight:
331.35300000000007 g/mol
Names and Synonyms:
Piroxicam
Common Name
Inflacin
Synonym
Flogosan
Synonym
Nesprex-DT
Synonym
Piroxitas-DT
Synonym
Feldoral
Synonym
Feledene
Synonym
Murupe
Synonym
Dispercam
Synonym
Piroxidine
Synonym
Rheugesic
Synonym
Laxidene
Synonym
Maxvin
Synonym
Uphaxicam
Synonym
Neoxicam
Synonym
Felxicam
Synonym
Nkoyo piroxicam
Synonym
Feloxin
Synonym
Pixicam
Synonym
Felvin 20
Synonym
Feldene Melt
Synonym
Dolibid
Synonym
Feldene Zydis
Synonym
Felden gel
Synonym
CP 16171
Synonym
Pirkam
Synonym
Caliment
Synonym
Zunden
Synonym
Larapam
Synonym
Riacen
Synonym
Solocalm
Synonym
Roxiden
Synonym
Artroxicam
Synonym
Reudene
Synonym
Geldene
Synonym
Flogobene
Synonym
Erazon
Synonym
Bruxicam
Synonym
Piroflex
Synonym
Improntal
Synonym
Doblexan
Synonym
Sasulen
Synonym
NSC 666076
Synonym
4-Hydroxy-2-methyl-N-(2-pyridyl)-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide
Synonym
Roxicam
Synonym
CHF 1251
Synonym
Piroftal
Synonym
Feldene
Synonym
Baxo
Synonym
Pyroxycam
Synonym
Piroxicam
Synonym
2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-2-pyridinyl-, 1,1-dioxide
Synonym
Identifiers:
SMILES:
CN1C(C(O)=Nc2ccccn2)=C(O)c2ccccc2S1(=O)=O
InChI:
InChI=1S/C15H13N3O4S/c1-18-13(15(20)17-12-8-4-5-9-16-12)14(19)10-6-2-3-7-11(10)23(18,21)22/h2-9,19H,1H3,(H,16,17,20)
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
Physical Properties
| Property | Value | Source |
|---|---|---|
| molecular_mass | 331.35 g/mol | Legacy Database |
| cas-canonical-smile | O=C(NC1=NC=CC=C1)C2=C(O)C=3C=CC=CC3S(=O)(=O)N2C None | Legacy Database |
| cas-inchi | InChI=1S/C15H13N3O4S/c1-18-13(15(20)17-12-8-4-5-9-16-12)14(19)10-6-2-3-7-11(10)23(18,21)22/h2-9,19H,1H3,(H,16,17,20) None | Legacy Database |
| cas-inchi-key | InChIKey=QYSPLQLAKJAUJT-UHFFFAOYSA-N None | Legacy Database |
| cas-melting-point | 198-200 °C None | Legacy Database |
| cas-name | Piroxicam None | Legacy Database |
| LogP | 2.2305 | RDKit |
Molecular
| Property | Value | Source |
|---|---|---|
| Molecular Weight | 331.35300000000007 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 331.06267689599997 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 23 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 5 count | RDKit |
| Hydrogen Bond Donors | 2 count | RDKit |
Rotatable
| Property | Value | Source |
|---|---|---|
| Rotatable Bonds | 2 count | RDKit |
Aromatic
| Property | Value | Source |
|---|---|---|
| Aromatic Ring Count | 2 count | RDKit |
Topological
| Property | Value | Source |
|---|---|---|
| Topological Polar Surface Area | 103.09 Ų | RDKit |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 84.90040000000005 | RDKit |