| CAS No. | 339279-42-4 |
| Molecular Formula | C19H14ClFN2O2S |
| Molecular Weight | 388.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 388.84 g/mol gives (3E)-1-[2-(4-Chlorophenyl)-1,3-thiazol-5-yl]-3-{[(2-fluorophenyl)methoxy]imino}propan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3E)-1-[2-(4-Chlorophenyl)-1,3-thiazol-5-yl]-3-{[(2-fluorophenyl)methoxy]imino}propan-1-one (CAS 339279-42-4), molecular formula C19H14ClFN2O2S and molecular weight 388.84 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, (3E)-1-[2-(4-Chlorophenyl)-1,3-thiazol-5-yl]-3-{[(2-fluorophenyl)methoxy]imino}propan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 388.84 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), (3E)-1-[2-(4-Chlorophenyl)-1,3-thiazol-5-yl]-3-{[(2-fluorophenyl)methoxy]imino}propan-1-one 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 | C19H14ClFN2O2S |
| Molecular Weight | 388.84 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |