Etoricoxib Impurity 81 CAS 2241145-66-2

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.2241145-66-2
Molecular FormulaC18H15NO4S
Molecular Weight341.38 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Etoricoxib Impurity 81 CAS 2241145-66-2 chemical structure

Description

CATO supplies Etoricoxib Impurity 81 (CAS 2241145-66-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H15NO4S. Molecular weight: 341.38 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H15NO4S
Molecular Weight341.38 g/mol
Purity≥95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Nitrogen Atoms1
Sulfur Atoms1

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