| CAS No. | 933-49-3 |
| Molecular Formula | C7H12N2S |
| Molecular Weight | 156.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Owing to a nitrile group, sulfur-containing functionality, 3557AF 4,4,6-Trimethyl-4,5-dihydropyrimidine-2-thiol 933-49-3 C7H12N2S is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 156.25 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).
3557AF 4,4,6-Trimethyl-4,5-dihydropyrimidine-2-thiol 933-49-3 C7H12N2S (CAS 933-49-3), molecular formula C7H12N2S and molecular weight 156.25 g/mol, is a CATO reference standard with documented purity and traceability.
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), 3557AF 4,4,6-Trimethyl-4,5-dihydropyrimidine-2-thiol 933-49-3 C7H12N2S 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 | C7H12N2S |
| Molecular Weight | 156.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |