3-(Trimethylsilyl)propane-1-sulfonic acid CAS 18173-90-5

Purity 97%+In StockPharmaceutical Standards
CAS No.18173-90-5
Molecular FormulaC6H16O3SSi
Molecular Weight196.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(Trimethylsilyl)propane-1-sulfonic acid CAS 18173-90-5 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-(Trimethylsilyl)propane-1-sulfonic acid (CAS 18173-90-5) is a high-purity analytical reference standard with the molecular formula C6H16O3SSi and a molecular weight of 196.34 g/mol.

Structurally, 3-(Trimethylsilyl)propane-1-sulfonic acid (C6H16O3SSi) 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 0 ring(s) or double-bond equivalent(s). With a molecular weight of 196.34 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 FormulaC6H16O3SSi
Molecular Weight196.34 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.)1962
Sulfur Atoms1

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