| CAS No. | 1261027-42-2 |
| Molecular Formula | C25H18N4O2S |
| Molecular Weight | 438.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-(Phenylimino)-N-(5-(m-tolyl)-1,3,4-thiadiazol-2-yl)-2H-chromene-3-carboxamide (CAS 1261027-42-2) is a high-purity analytical reference standard with the molecular formula C25H18N4O2S and a molecular weight of 438.50 g/mol.
2-(Phenylimino)-N-(5-(m-tolyl)-1,3,4-thiadiazol-2-yl)-2H-chromene-3-carboxamide (C25H18N4O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 2-(Phenylimino)-N-(5-(m-tolyl)-1,3,4-thiadiazol-2-yl)-2H-chromene-3-carboxamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C25H18N4O2S |
| Molecular Weight | 438.50 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |