3-(2-Fluorophenyl)-5-phenoxy-[1,2,4]triazolo[4,3-c]quinazoline CAS 477853-48-8
| CAS No. | 477853-48-8 |
| Molecular Formula | C21H13FN4O |
| Molecular Weight | 356.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(2-Fluorophenyl)-5-phenoxy-[1,2,4]triazolo[4,3-c]quinazoline 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.
3-(2-Fluorophenyl)-5-phenoxy-[1,2,4]triazolo[4,3-c]quinazoline (CAS 477853-48-8) is a high-purity analytical reference standard with the molecular formula C21H13FN4O and a molecular weight of 356.35 g/mol.
Based on its molecular formula C21H13FN4O, 3-(2-Fluorophenyl)-5-phenoxy-[1,2,4]triazolo[4,3-c]quinazoline contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 356.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H13FN4O |
| Molecular Weight | 356.35 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Fluorophenyl Standards
- 3-(4-Fluorophenyl)-6-(2-oxo-2-(piperidin-1-yl)ethyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one (CAS 847384-05-8)
- N-(4-Fluorophenyl)-2-[(3,4,4-trifluorobut-3-en-1-yl)sulfanyl]pyridine-3-carboxamide (CAS 339106-84-2)
- Methyl 4-(((3-(2-fluorophenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoate (CAS 573695-17-7)
- Methyl 4-(((3-(4-fluorophenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoate (CAS 578746-67-5)
- (4-fluorophenyl)bis(4-methoxyphenyl)phosphine oxide (CAS 302595-04-6)
- (4-(2-Fluorophenyl)piperazin-1-yl)(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methanone (CAS 477709-05-0)
- 2-(4-Fluorophenyl)-N-(o-tolyl)quinoline-4-carboxamide (CAS 332358-77-7)
- N-(4-fluorophenyl)-3-methyl-2-phenylquinoline-4-carboxamide (CAS 332372-26-6)
Recommended Standards
- 1-(Acridin-9-yl)-2,5-dioxopyrrolidine-3-sulfonic acid (CAS 89685-75-6)
- (11bR)-8,9,10,11,12,13,14,15-Octahydro-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 297752-25-1)
- Methyl 4-(5-nitro-1-benzothiophene-2-amido)benzoate (CAS 478248-48-5)
- 2-(((Benzyloxy)carbonyl)amino)-3-(5-fluoro-1h-indol-3-yl)propanoic acid (CAS 1881-79-4)
- D-galactose Sodium (CAS 18315-92-9)
- 7-Amino-4-methyl-3,4-dihydro-1,4-benzoxazepin-5(2H)-one (CAS 129018-77-5)
- Methyl 2-(1-(benzo[d]thiazol-2-yl)-5-hydroxy-1H-pyrazol-3-yl)acetate (CAS 523992-06-5)
- 1-Bromo-2-(bromomethyl)-3-methoxy-2-(methoxymethyl)propane (CAS 33740-24-8)
- 3-(((2,4-Dichlorobenzyl)sulfinyl)methyl)-4-ethyl-5-((4-nitrobenzyl)thio)-4H-1,2,4-triazole (CAS 344272-59-9)
- 4,5-Dichloro-2-(4-fluorophenyl)thiazole (CAS 1355225-52-3)
- 6-Bromo-3-ethyl-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 1187386-21-5)
- H-Thr(Bzl)-OH (CAS 4378-10-3)
- FmocNH-PEG4-t-butyl ester (CAS 2148295-94-5)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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