| CAS No. | 1240571-64-5 |
| Molecular Formula | C16H11Br2N3O |
| Molecular Weight | 421.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 421.09 g/mol gives 1-{[1,1'-Biphenyl]-4-yl}-2-(3,5-dibromo-1H-1,2,4-triazol-1-yl)ethan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-{[1,1'-Biphenyl]-4-yl}-2-(3,5-dibromo-1H-1,2,4-triazol-1-yl)ethan-1-one (CAS 1240571-64-5) is a high-purity analytical reference standard with the molecular formula C16H11Br2N3O and a molecular weight of 421.09 g/mol.
Structurally, 1-{[1,1'-Biphenyl]-4-yl}-2-(3,5-dibromo-1H-1,2,4-triazol-1-yl)ethan-1-one (C16H11Br2N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 421.09 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-{[1,1'-Biphenyl]-4-yl}-2-(3,5-dibromo-1H-1,2,4-triazol-1-yl)ethan-1-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 | C16H11Br2N3O |
| Molecular Weight | 421.09 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |