(5-Oxaspiro[3.5]nonan-6-yl)methanesulfonyl chloride CAS 2126177-51-1
| CAS No. | 2126177-51-1 |
| Molecular Formula | C9H15ClO3S |
| Molecular Weight | 238.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(5-Oxaspiro[3.5]nonan-6-yl)methanesulfonyl chloride (CAS 2126177-51-1) is a high-purity analytical reference standard with the molecular formula C9H15ClO3S and a molecular weight of 238.73 g/mol.
The molecular framework of (5-Oxaspiro[3.5]nonan-6-yl)methanesulfonyl chloride (C9H15ClO3S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), (5-Oxaspiro[3.5]nonan-6-yl)methanesulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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.) | 1997 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Oxaspiro Standards
- {1-oxaspiro[4.4]nonan-2-yl}methanesulfonyl chloride (CAS 1593050-95-3)
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- 6-Oxaspiro[4.5]decan-9-yl methanesulfonate (CAS 503551-89-1)
- n-{6-oxaspiro[4.5]decan-9-yl}methanesulfonamide (CAS 1423634-82-5)
- Benzyl ((1-oxaspiro[2.3]hexan-5-yl)methyl)carbamate (CAS 2802621-87-8)
- 1-Oxaspiro[5.5]undecan-4-yl methanesulfonate (CAS 503551-90-4)
- (5-Oxaspiro[3.4]octan-6-yl)methanesulfonyl chloride (CAS 2137854-82-9)
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