| CAS No. | 557064-00-3 |
| Molecular Formula | C17H16N4O3S |
| Molecular Weight | 356.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 356.40 g/mol gives 2-{[4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-{[4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 557064-00-3), molecular formula C17H16N4O3S and molecular weight 356.40 g/mol, is a CATO reference standard with documented purity and traceability.
2-{[4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (C17H16N4O3S) 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-{[4-(4-ethoxyphenyl)-5-(pyridin-3-yl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid 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 | C17H16N4O3S |
| Molecular Weight | 356.40 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.) | 1984 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |