Piroxicam EP Impurity B CAS 65897-46-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.65897-46-3
Molecular FormulaC14H11N3O4S
Molecular Weight317.32 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Piroxicam EP Impurity B CAS 65897-46-3 chemical structure

Description

CATO supplies Piroxicam EP Impurity B (CAS 65897-46-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H11N3O4S. Molecular weight: 317.32 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC14H11N3O4S
Molecular Weight317.32 g/mol
Purity>95%
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.)1975
Nitrogen Atoms3
Sulfur Atoms1

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