| CAS No. | 338977-99-4 |
| Molecular Formula | C21H14FN5 |
| Molecular Weight | 355.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-(2-Fluorophenyl)-N-phenyl[1,2,4]triazolo[4,3-c]quinazolin-5-amine (CAS 338977-99-4) is a high-purity analytical reference standard with the molecular formula C21H14FN5 and a molecular weight of 355.37 g/mol.
Structurally, 3-(2-Fluorophenyl)-N-phenyl[1,2,4]triazolo[4,3-c]quinazolin-5-amine (C21H14FN5) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 355.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 3-(2-Fluorophenyl)-N-phenyl[1,2,4]triazolo[4,3-c]quinazolin-5-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C21H14FN5 |
| Molecular Weight | 355.37 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 | 5 |