{1-oxaspiro[4.4]nonan-2-yl}methanesulfonyl chloride CAS 1593050-95-3
| CAS No. | 1593050-95-3 |
| Molecular Formula | C9H15ClO3S |
| Molecular Weight | 238.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, {1-oxaspiro[4.4]nonan-2-yl}methanesulfonyl chloride (C9H15ClO3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 238.73 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies {1-oxaspiro[4.4]nonan-2-yl}methanesulfonyl chloride (CAS 1593050-95-3), a certified reference material (molecular formula C9H15ClO3S, MW 238.73 g/mol) for analytical method development and quality control.
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 Formula | C9H15ClO3S |
| Molecular Weight | 238.73 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related oxaspiro Standards
- (5-Oxaspiro[3.5]nonan-6-yl)methanesulfonyl chloride (CAS 2126177-51-1)
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- 6-Oxaspiro[4.5]decan-9-yl methanesulfonate (CAS 503551-89-1)
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