| CAS No. | 336880-64-9 |
| Molecular Formula | C18H22N4O3 |
| Molecular Weight | 342.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
6-Amino-1,3-dimethyl-5-[2-(3-phenylpyrrolidin-1-yl)acetyl]-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 336880-64-9), molecular formula C18H22N4O3 and molecular weight 342.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Amino-1,3-dimethyl-5-[2-(3-phenylpyrrolidin-1-yl)acetyl]-1,2,3,4-tetrahydropyrimidine-2,4-dione (C18H22N4O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 342.39 g/mol, it falls into the moderately-high-molecular-weight range. 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.
| Molecular Formula | C18H22N4O3 |
| Molecular Weight | 342.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |