Structural formula:
Molecular formula:C20H20N2O2
Molecular weight: 320.39
Property: It is white or similar to white crystal powder;odorless with bitter taste. It is easily soluble in chloroform, acetone, benzene or 10% sodium hydroxide solution, slightly soluble in methanol or ethanol,insoluble in water.
Specification: in-house
Appearance: White or similar to white crystal powder
Assay: Not less than 99.0%
Melting point: 152~157oC
Insolubles in alkaline: Qualified
Loss On Drying: Not more than 1.0%
Reidue on ignition: Not more than 0.1%
Heavy metalss: Not more than 10ppm
Use: It is a anti-inflammatory analgesic. Used in activity rheumatism, rheumatoid arthritis, periarthritis, infection of the upper respiratory tract , periodontium inflammation , thrombus phlebitis etc.
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