Toluene-4-sulfonic acid (S)-1-benzyl-pyrrolidin-3-yl ester CAS 116183-79-0

Purity 97%+In StockPharmaceutical Standards
CAS No.116183-79-0
Molecular FormulaC18H21NO3S
Molecular Weight331.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Toluene-4-sulfonic acid (S)-1-benzyl-pyrrolidin-3-yl ester CAS 116183-79-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 331.43 g/mol gives Toluene-4-sulfonic acid (S)-1-benzyl-pyrrolidin-3-yl ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Toluene-4-sulfonic acid (S)-1-benzyl-pyrrolidin-3-yl ester (CAS 116183-79-0), a certified reference material (molecular formula C18H21NO3S, MW 331.43 g/mol) for analytical method development and quality control.

Based on its molecular formula C18H21NO3S, Toluene-4-sulfonic acid (S)-1-benzyl-pyrrolidin-3-yl ester contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 FormulaC18H21NO3S
Molecular Weight331.43 g/mol
Purity97%+
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
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms1
Sulfur Atoms1

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