| CAS No. | 861211-28-1 |
| Molecular Formula | C17H16N4O4S |
| Molecular Weight | 372.40 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.
Ethyl 2-{[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]amino}-6-oxo-1,6-dihydro-5-pyrimidinecarboxylate (CAS 861211-28-1), molecular formula C17H16N4O4S and molecular weight 372.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 2-{[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]amino}-6-oxo-1,6-dihydro-5-pyrimidinecarboxylate (C17H16N4O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 372.40 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C17H16N4O4S |
| Molecular Weight | 372.40 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.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |