| CAS No. | 551921-27-8 |
| Molecular Formula | C17H14ClNO2S |
| Molecular Weight | 331.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 331.82 g/mol gives 5-{[(4-chlorophenyl)sulfanyl]methyl}-3-(4-methoxyphenyl)-1,2-oxazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-{[(4-chlorophenyl)sulfanyl]methyl}-3-(4-methoxyphenyl)-1,2-oxazole (CAS 551921-27-8) is a high-purity analytical reference standard with the molecular formula C17H14ClNO2S and a molecular weight of 331.82 g/mol.
Based on its molecular formula C17H14ClNO2S, 5-{[(4-chlorophenyl)sulfanyl]methyl}-3-(4-methoxyphenyl)-1,2-oxazole contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.82 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 5-{[(4-chlorophenyl)sulfanyl]methyl}-3-(4-methoxyphenyl)-1,2-oxazole 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.
| Molecular Formula | C17H14ClNO2S |
| Molecular Weight | 331.82 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |