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Piroxicam

Piroxicam / CAS : 36322-90-4

Appearance White or yellowish green crystalline powder UN 2811
HS 29349990 DG Class 6.1(b)
Synonyms Riacen; 1,2-Benzothiazine-3-Carboxamide; Zunden; 4-Hydroxy-2-Methyl-3-(2-Pyridylcarbamoyl)-2H-1,2-Benzothiazine 1,1-Dioxide; Baxo; Larapam; Feldene; Geldene; 4-Hydroxy-2-Methyl-N-(Pyridin-2-Yl)-2H-Benzo[E][1,2]Thiazine-3-Carboxamide 1,1-Dioxide; Erazon; 4-Hydroxy-2-Methyl-3-(Pyrid-2-Yl-Carbamoyl)-2H-1,2-Benzothiazine 1,1-Dioxide; 4-Hydroxy-2-Methyl-N-(2-Pyridyl)-2H-1,2-Benzothiazine-3-Carboxamide 1,1-Dioxide; Piroxicamum; Pyroxycam
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Properties

Summary

Formula
C15H13N3O4S
Molecular Mass
331.34600
Exact Mass
331.06300
PSA
107.98000
Logp
2.67270
IUPAC
4-hydroxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1λ6,2-benzothiazine-3-carboxamide
SMILES
CN1C(=C(C2=CC=CC=C2S1(=O)=O)O)C(=O)NC3=CC=CC=N3

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Antipyretic Analgesics

Chemical and Physical Properties

Melting Point
198-200°C
Density
1.563 g/cm3
Appearance
White or yellowish green crystalline powder
Acidity and Basicity
acidness

Export information

HS Code
29349990
Export Rebate
10%
UN No.
2811
DG-Class
6.1(b)
Risk Code
R22-25
Safety Label
Xn,F,T

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