2-Methylpropane-1-sulfonyl fluoride CAS 659-90-5
| CAS No. | 659-90-5 |
| Molecular Formula | C4H9FO2S |
| Molecular Weight | 140.18 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.
CATO supplies 2-Methylpropane-1-sulfonyl fluoride (CAS 659-90-5), a certified reference material (molecular formula C4H9FO2S, MW 140.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H9FO2S, 2-Methylpropane-1-sulfonyl fluoride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 140.18 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.
As a certified reference material (CRM), 2-Methylpropane-1-sulfonyl fluoride 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 | C4H9FO2S |
| Molecular Weight | 140.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Methylpropane Standards
- 2-Methylpropane-2-sulfonic acid (CAS 16794-13-1)
- 2-Methylpropane-1-sulfonic acid (CAS 16794-14-2)
- N-methylpropane-1-sulfonamide (CAS 25855-60-1)
- n-Methylpropane-2-sulfonamide (CAS 25855-59-8)
- Methyl 2-Methylpropane-2-sulfinate (CAS 52056-71-0)
- 2-Methylpropane-2-sulfonyl chloride (CAS 10490-22-9)
- 2-Methylpropane-2-sulfinic acid (CAS 29099-08-9)
- 2-(2-Methylpropane-2-sulfonyl)acetic acid (CAS 36610-02-3)
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