Olopatadine Hydrochloride

Structural formula:

Molecular formula:C₂₁H₂₃NO₃ · HCl

Molecular weight:373.88

Appearance:white to white-like powder

Loss on drying:≤ 0.5% ;

Residue on ignition:≤ 0.2% ;

Heavy metal:≤ 20ppm ;

Single contaminant:≤ 0.5% ;

Miscellaneous:≤ 1.0% ;

Purity:≥ 98.5%