C₁₀H₁₃N₂O₄F

Appearance: White crystal powder

Assay: 98.0% min.

Melting Point :188-193 ^oC (dec.)

Specific Rotation :+19.5^o - +22.5^o

Loss on Drying :< 0.5%

Residue on Ignition :< 0.1%

Heavy Metals :< 20 ppm

pH :4.0-4.5

F :6.9-7.7%

Sulphate :< 0.05%