Sodium 4-methyl-3-nitrobenzenesulfonate CAS 51591-66-3

Purity 97%+In StockPharmaceutical Standards
CAS No.51591-66-3
Molecular FormulaC11H15N5O4
Molecular Weight281.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Sodium 4-methyl-3-nitrobenzenesulfonate CAS 51591-66-3 chemical structure

Description

Sodium 4-methyl-3-nitrobenzenesulfonate (CAS 51591-66-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H15N5O4. Molecular weight: 281.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC11H15N5O4
Molecular Weight281.27 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1971
Nitrogen Atoms5

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