Chemical name: N-[3- (formylamide)-4-oxo-6-phenoxy-4H-chromen-7-yl] methanesulfonamide

Molecular Formula:  C₁₇H₁₄N₂O₆S 

Molecular Weight:  374.37

CAS No.: [123663-49-0]

Physical & Chemical properties: White powder

Melting point: 236~238℃

Quality index:

Appearance: White powder

Assay (HPLC): 99%（min）

Related Substances（ HPLC）: Total impurity not more than 1.0%.

Application:  Immunomodulator. Antiarthritic agent

Packing: 1kg/aluminum tin; 25kg/carton barrel.

Storage:  Protected from humidity, Keep in dry cool and shade place.