| CAS No. | 227029-27-8 |
| Molecular Formula | C13H15NO4S |
| Molecular Weight | 281.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 281.33 g/mol gives Methanesulfonic acid 2-(5-methyl-2-phenyloxazol-4-yl)ethyl ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Methanesulfonic acid 2-(5-methyl-2-phenyloxazol-4-yl)ethyl ester (CAS 227029-27-8), a certified reference material (molecular formula C13H15NO4S, MW 281.33 g/mol) for analytical method development and quality control.
Structurally, Methanesulfonic acid 2-(5-methyl-2-phenyloxazol-4-yl)ethyl ester (C13H15NO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 281.33 g/mol, it falls into the medium-molecular-weight range. 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).
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.
CATO manufactures Methanesulfonic acid 2-(5-methyl-2-phenyloxazol-4-yl)ethyl ester 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.
| Molecular Formula | C13H15NO4S |
| Molecular Weight | 281.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2021 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |