CAS Registry Number

CAS 173174-07-7 — Olopatadine Related Compound B - USP CRS

Olopatadine Related Compound B - USP CRS is a high-purity reference standard used primarily for analytical method validation and quality control in pharmaceutical testing, particularly for olopatadine hydrochloride—a common antihistamine and mast cell stabilizer. It serves as a calibration and identification benchmark in HPLC, GC, and spectroscopic analyses. This compound has a CAS number of 173174-07-7, a molecular formula of C21H23NO4, and a molecular weight of 353.4 g/mol. It must be stored at -15 to -20°C to maintain stability. The substance carries a **Warning** signal word under GHS classification. Molekula supplies Olopatadine Related Compound B - USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.