{2,9-dioxaspiro[5.5]undecan-3-yl}methanesulfonyl chloride CAS 2091749-03-8

Purity 97%+In StockPharmaceutical Standards
CAS No.2091749-03-8
Molecular FormulaC10H17ClO4S
Molecular Weight268.76 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

{2,9-dioxaspiro[5.5]undecan-3-yl}methanesulfonyl chloride CAS 2091749-03-8 chemical structure

Description

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.

{2,9-dioxaspiro[5.5]undecan-3-yl}methanesulfonyl chloride (CAS 2091749-03-8) is a high-purity analytical reference standard with the molecular formula C10H17ClO4S and a molecular weight of 268.76 g/mol.

Based on its molecular formula C10H17ClO4S, {2,9-dioxaspiro[5.5]undecan-3-yl}methanesulfonyl chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 268.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

Physical & Chemical Properties

Molecular FormulaC10H17ClO4S
Molecular Weight268.76 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1997
Halogen ContentCl-containing
Sulfur Atoms1

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