[Molecular formula]C₁₆H₁₄F₂N₃NaO₄S
[Molecular weight] 423.38

[Specifications]
Description: White or almost white crystalline powder
PH : 95 ～ 11.0
Related substance: ≤ 0.8%
N. chloroform: complies
Acetone: complies
Water: 4.0 ～ 6.0 %
Heavy metals: ≤ 0.002
Assay: 98.0 ～ 102.0%
[Storage] Preserved in tight containers from light