| CAS No. | 329078-94-6 |
| Molecular Formula | C22H14O4S3 |
| Molecular Weight | 438.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-{[4-(thiophene-2-carbonyloxy)phenyl]sulfanyl}phenyl thiophene-2-carboxylate (CAS 329078-94-6), molecular formula C22H14O4S3 and molecular weight 438.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H14O4S3, 4-{[4-(thiophene-2-carbonyloxy)phenyl]sulfanyl}phenyl thiophene-2-carboxylate contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 438.54 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).
As a certified reference material (CRM), 4-{[4-(thiophene-2-carbonyloxy)phenyl]sulfanyl}phenyl thiophene-2-carboxylate 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 | C22H14O4S3 |
| Molecular Weight | 438.54 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 3 |