| CAS No. | 82828-69-1 |
| Molecular Formula | C21H14N4OS |
| Molecular Weight | 370.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies 2-Methyl-3-(5-phenyl-1,3,4-thiadiazol-2-yl)benzo[g]quinazolin-4(3H)-one (CAS 82828-69-1), a certified reference material (molecular formula C21H14N4OS, MW 370.43 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H14N4OS, 2-Methyl-3-(5-phenyl-1,3,4-thiadiazol-2-yl)benzo[g]quinazolin-4(3H)-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 370.43 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).
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), 2-Methyl-3-(5-phenyl-1,3,4-thiadiazol-2-yl)benzo[g]quinazolin-4(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 | C21H14N4OS |
| Molecular Weight | 370.43 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |