Detail
Name Bepotastine besilate
Molecular Formula C21H25ClN2O3.C6H6O3S
Molecular Weight 547.07
CAS Registry Number 190786-44-8
Appearance Light-yellow to white crystalline powder
Melting Point 157°C～163°C
Specific Rotation(on dried basis, 5% solution in methanol) +4.0°~+7.0°
Total impurities: ≤1.0%
Single impurity: ≤0.5%
Optical isomer≤0.5%
Loss on Drying≤1.0%
Residue on Ignition≤0.1%
Heavy Metal≤20ppm
Assay≥98.5%
For the treatment of allergic rhinitis.
Also used for eye drops production.