| CAS No. | 199852-23-8 |
| Molecular Formula | C19H24N2O2S |
| Molecular Weight | 344.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 344.47 g/mol gives 5-(3,5-Dimethylbenzyl)-3-ethoxy-6-ethyl-2H-thiazolo[3,2-a]pyrimidin-7(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(3,5-Dimethylbenzyl)-3-ethoxy-6-ethyl-2H-thiazolo[3,2-a]pyrimidin-7(3H)-one (CAS 199852-23-8), molecular formula C19H24N2O2S and molecular weight 344.47 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(3,5-Dimethylbenzyl)-3-ethoxy-6-ethyl-2H-thiazolo[3,2-a]pyrimidin-7(3H)-one (C19H24N2O2S) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 344.47 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-(3,5-Dimethylbenzyl)-3-ethoxy-6-ethyl-2H-thiazolo[3,2-a]pyrimidin-7(3H)-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.
| Molecular Formula | C19H24N2O2S |
| Molecular Weight | 344.47 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |