English name Olopatadine hcl; 11-((z)-3-(dimethyl-amino)propylidene)-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid; OLOPATADINE; Olopatatadine; KW 4679; Dibenz[b, e]oxepin-2-acetic acid, 11-[3-(dimethylamino)propylidene]-6,11-dihydro-, (11Z)-; {(11Z)-11-[3-(dimethylamino)propylidene]-6, 11-dihydrodibenzo[b,e]oxepin-2-yl}acetic acid hydrochloride; [1]

CAS NO. 140462-76-6 [1]

EINECS

Olopatadine hydrochloride

Olopatadine hydrochloride

Molecular formula: C21H24ClNO3

Molecular structure                                                                                                                                                                                                                                     

Appearance: white to off-white powder

Loss on drying: ≤ 0.5%

Residue on ignition: ≤ 0.2%

Heavy metal: ≤ 20ppm

Single impurity: ≤ 0.5%

Miscellaneous: ≤ 1.0%

Molecular weight 373.88

use:

Oral treatment of allergic rhinitis, urticaria, skin diseases with pruritus (eczema, polymorphic exudative erythema, etc.).

1% eye drops for the treatment of allergic conjunctivitis.

0.6% nasal spray is used to relieve seasonal allergic rhinitis symptoms in patients aged 6 years and older.