5-(3-Ethoxy-4-propoxybenzylidene)-2-(thiophen-2-yl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one CAS 617694-42-5
| CAS No. | 617694-42-5 |
| Molecular Formula | C20H19N3O3S2 |
| Molecular Weight | 413.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(3-Ethoxy-4-propoxybenzylidene)-2-(thiophen-2-yl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 617694-42-5) is a high-purity analytical reference standard with the molecular formula C20H19N3O3S2 and a molecular weight of 413.51 g/mol.
Structurally, 5-(3-Ethoxy-4-propoxybenzylidene)-2-(thiophen-2-yl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (C20H19N3O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 413.51 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-(3-Ethoxy-4-propoxybenzylidene)-2-(thiophen-2-yl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-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.
Physical & Chemical Properties
| Molecular Formula | C20H19N3O3S2 |
| Molecular Weight | 413.51 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
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