1-(Chloromethyl)-4-isopentyl-[1,2,4]triazolo[4,3-a]quinazolin-5(4h)-one CAS 757192-73-7
| CAS No. | 757192-73-7 |
| Molecular Formula | C15H17ClN4O |
| Molecular Weight | 304.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(Chloromethyl)-4-isopentyl-[1,2,4]triazolo[4,3-a]quinazolin-5(4h)-one.
1-(Chloromethyl)-4-isopentyl-[1,2,4]triazolo[4,3-a]quinazolin-5(4h)-one (CAS 757192-73-7), molecular formula C15H17ClN4O and molecular weight 304.77 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H17ClN4O, 1-(Chloromethyl)-4-isopentyl-[1,2,4]triazolo[4,3-a]quinazolin-5(4h)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 304.77 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), 1-(Chloromethyl)-4-isopentyl-[1,2,4]triazolo[4,3-a]quinazolin-5(4h)-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.
Physical & Chemical Properties
| Molecular Formula | C15H17ClN4O |
| Molecular Weight | 304.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloromethyl Standards
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Recommended Standards
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