Parecoxib sodium Impurity 7 CAS 501093-49-8

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.501093-49-8
Molecular FormulaC16H14N2O4S
Molecular Weight330.36 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Parecoxib sodium Impurity 7 CAS 501093-49-8 chemical structure

Description

Parecoxib sodium Impurity 7 (CAS 501093-49-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H14N2O4S. Molecular weight: 330.36 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC16H14N2O4S
Molecular Weight330.36 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Nitrogen Atoms2
Sulfur Atoms1

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