5-Despyrimidineethanethioamide-5-pyrimidineacetamide Fimasartan CAS 178554-19-3
| CAS No. | 178554-19-3 |
| Molecular Formula | C27H31N7O2 |
| Molecular Weight | 485.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Despyrimidineethanethioamide-5-pyrimidineacetamide Fimasartan (CAS 178554-19-3) is a high-purity analytical reference standard with the molecular formula C27H31N7O2 and a molecular weight of 485.58 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 5-Despyrimidineethanethioamide-5-pyrimidineacetamide Fimasartan is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 485.58 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C27H31N7O2 |
| Molecular Weight | 485.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Nitrogen Atoms | 7 |
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