3-Methyl-2-(methylsulfonyl)butanoic acid CAS 1178242-92-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1178242-92-6
Molecular FormulaC6H12O4S
Molecular Weight180.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-2-(methylsulfonyl)butanoic acid CAS 1178242-92-6 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

3-Methyl-2-(methylsulfonyl)butanoic acid (CAS 1178242-92-6) is a high-purity analytical reference standard with the molecular formula C6H12O4S and a molecular weight of 180.22 g/mol.

Structurally, 3-Methyl-2-(methylsulfonyl)butanoic acid (C6H12O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 180.22 g/mol, it falls into the medium-molecular-weight range.

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 FormulaC6H12O4S
Molecular Weight180.22 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1989
Sulfur Atoms1

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