3,5-Dimethyl-N-[3-methyl-4-(propan-2-yl)phenyl]-1,2-oxazole-4-sulfonamide CAS 866154-82-7
| CAS No. | 866154-82-7 |
| Molecular Formula | C15H20N2O3S |
| Molecular Weight | 308.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 308.40 g/mol gives 3,5-Dimethyl-N-[3-methyl-4-(propan-2-yl)phenyl]-1,2-oxazole-4-sulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5-Dimethyl-N-[3-methyl-4-(propan-2-yl)phenyl]-1,2-oxazole-4-sulfonamide (CAS 866154-82-7), molecular formula C15H20N2O3S and molecular weight 308.40 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H20N2O3S, 3,5-Dimethyl-N-[3-methyl-4-(propan-2-yl)phenyl]-1,2-oxazole-4-sulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 308.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 3,5-Dimethyl-N-[3-methyl-4-(propan-2-yl)phenyl]-1,2-oxazole-4-sulfonamide 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 | C15H20N2O3S |
| Molecular Weight | 308.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
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Recommended Standards
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- 3-Methyl-7-(2-methylpropyl)-1-propyl-5-sulfanyl-1h,2h,3h,4h-[1,3]diazino[4,5-d]pyrimidine-2,4-dione (CAS 851169-20-5)
- 3-(4-(Methylthio)phenyl)-1-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-90-1)
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- 1-[(2-nitrophenyl)methyl]hydrazine (CAS 769907-13-3)
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