Olopatadine Impurity 18 CAS 55453-90-2

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.55453-90-2
Molecular FormulaC18H16O4
Molecular Weight296.32 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Olopatadine Impurity 18 CAS 55453-90-2 chemical structure

Description

CATO supplies Olopatadine Impurity 18 (CAS 55453-90-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H16O4. Molecular weight: 296.32 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H16O4
Molecular Weight296.32 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972

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