Etoricoxib Impurity 4 CAS 4052-30-6

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.4052-30-6
Molecular FormulaC8H8O4S
Molecular Weight200.21 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Etoricoxib Impurity 4 CAS 4052-30-6 chemical structure

Description

CATO supplies Etoricoxib Impurity 4 (CAS 4052-30-6), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H8O4S. Molecular weight: 200.21 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC8H8O4S
Molecular Weight200.21 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Sulfur Atoms1

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