Nimesulide EP Impurity B CAS 51765-51-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.51765-51-6
Molecular FormulaC13H13NO3S
Molecular Weight263.31 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Nimesulide EP Impurity B CAS 51765-51-6 chemical structure

Description

Order Nimesulide EP Impurity B (CAS 51765-51-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C13H13NO3S. Molecular weight: 263.31 g/mol. COA included with every batch.

Physical & Chemical Properties

Molecular FormulaC13H13NO3S
Molecular Weight263.31 g/mol
Purity>95%
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; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1971
Nitrogen Atoms1
Sulfur Atoms1

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