| CAS No. | 338776-85-5 |
| Molecular Formula | C21H28N4S |
| Molecular Weight | 368.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
CATO supplies 2-{[(4-methylphenyl)methyl]sulfanyl}-4-(4-methylpiperazin-1-yl)-5,6,7,8-tetrahydroquinazoline (CAS 338776-85-5), a certified reference material (molecular formula C21H28N4S, MW 368.54 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H28N4S, 2-{[(4-methylphenyl)methyl]sulfanyl}-4-(4-methylpiperazin-1-yl)-5,6,7,8-tetrahydroquinazoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 368.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-{[(4-methylphenyl)methyl]sulfanyl}-4-(4-methylpiperazin-1-yl)-5,6,7,8-tetrahydroquinazoline 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 | C21H28N4S |
| Molecular Weight | 368.54 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |