| CAS No. | 823828-72-4 |
| Molecular Formula | C19H17ClN2O3S |
| Molecular Weight | 388.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 388.87 g/mol gives 4-((4-Chlorophenyl)sulfonyl)-N-cyclopropyl-2-(o-tolyl)oxazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-((4-Chlorophenyl)sulfonyl)-N-cyclopropyl-2-(o-tolyl)oxazol-5-amine (CAS 823828-72-4), a certified reference material (molecular formula C19H17ClN2O3S, MW 388.87 g/mol) for analytical method development and quality control.
Structurally, 4-((4-Chlorophenyl)sulfonyl)-N-cyclopropyl-2-(o-tolyl)oxazol-5-amine (C19H17ClN2O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 388.87 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C19H17ClN2O3S |
| Molecular Weight | 388.87 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |