| CAS No. | 338977-91-6 |
| Molecular Formula | C19H15Cl2N5O |
| Molecular Weight | 400.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 400.26 g/mol gives 4-(3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-c]quinazolin-5-yl)morpholine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-(3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-c]quinazolin-5-yl)morpholine (CAS 338977-91-6), a certified reference material (molecular formula C19H15Cl2N5O, MW 400.26 g/mol) for analytical method development and quality control.
Structurally, 4-(3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-c]quinazolin-5-yl)morpholine (C19H15Cl2N5O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 400.26 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 4-(3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-c]quinazolin-5-yl)morpholine 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 | C19H15Cl2N5O |
| Molecular Weight | 400.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |