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Zonisamide



Molecular Formula:C8H8N2O3S
Molecular Weight:212.228
CAS Registry No: 68291-97-4
Systematic Name:
  • 1,2-Benzisoxazole-3-methanesulfonamide
StoragePreserve in well-closed containers, and store at room temperature
Shelf Life2 year(s)
Specification
Appearance white to off-white powder
Solubility freely soluble in dimethylformamide; soluble in methanol
Identification a) Infrared Absorption
b) The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay
Heavy MetalsNot More Than 10 ppm
Residue on Ignition Not More Than 0.1%
Water DeterminationNot More Than 0.8%
ASSAY Not Less Than 98.0% and Not More Than 102.0%
1)calculated on the anhydrous basis
Pharmacopoeial QualityUSP