1-(Benzenesulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid CAS 16257-76-4

Purity 97%+In StockPharmaceutical Standards
CAS No.16257-76-4
Molecular FormulaC11H13NO5S
Molecular Weight271.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(Benzenesulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid CAS 16257-76-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 271.29 g/mol gives 1-(Benzenesulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(Benzenesulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid (CAS 16257-76-4) is a high-purity analytical reference standard with the molecular formula C11H13NO5S and a molecular weight of 271.29 g/mol.

1-(Benzenesulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid (C11H13NO5S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC11H13NO5S
Molecular Weight271.29 g/mol
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961
Nitrogen Atoms1
Sulfur Atoms1

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