| CAS No. | 690645-53-5 |
| Molecular Formula | C18H17N3O4S |
| Molecular Weight | 371.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 3,4,5-Trimethoxy-N-(3-phenyl-1,2,4-thiadiazol-5-yl)benzamide 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.
CATO supplies 3,4,5-Trimethoxy-N-(3-phenyl-1,2,4-thiadiazol-5-yl)benzamide (CAS 690645-53-5), a certified reference material (molecular formula C18H17N3O4S, MW 371.41 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H17N3O4S, 3,4,5-Trimethoxy-N-(3-phenyl-1,2,4-thiadiazol-5-yl)benzamide contains a flavonoid core, 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 371.41 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.
| Molecular Formula | C18H17N3O4S |
| Molecular Weight | 371.41 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |