(5-Methyl-1,2-oxazol-3-yl)methanesulfonyl fluoride CAS 1311317-32-4
| CAS No. | 1311317-32-4 |
| Molecular Formula | C5H6FNO3S |
| Molecular Weight | 179.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (5-Methyl-1,2-oxazol-3-yl)methanesulfonyl fluoride is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(5-Methyl-1,2-oxazol-3-yl)methanesulfonyl fluoride (CAS 1311317-32-4), molecular formula C5H6FNO3S and molecular weight 179.17 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, (5-Methyl-1,2-oxazol-3-yl)methanesulfonyl fluoride is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 179.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (5-Methyl-1,2-oxazol-3-yl)methanesulfonyl fluoride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H6FNO3S |
| Molecular Weight | 179.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- (3-Methyl-1,2-oxazol-5-yl)methanesulfonyl fluoride (CAS 1311314-46-1)
- 1-(5-Methyl-1,2-oxazol-3-yl)-3-(prop-2-yn-1-yl)urea (CAS 1197564-41-2)
- Oxazol-5-ylmethyl methanesulfonate (CAS 916810-71-4)
- 1-(Oxazol-2-yl)hexane-1,5-dione (CAS 898758-98-0)
- 1,2-oxazol-3-ylmethanesulfonyl chloride (CAS 1334148-86-5)
- (1,2-Oxazol-5-yl)methanesulfonyl chloride (CAS 1781708-19-7)
- (5-methyl-1,2-oxazol-3-yl)methanesulfonamide (CAS 1042780-11-9)
- N-(1,2-oxazol-5-ylmethyl)methanesulfonamide (CAS 1698589-38-6)
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