3-(3-Bromophenyl)-5-ethyl-1,2,4-oxadiazole CAS 911049-01-9
| CAS No. | 911049-01-9 |
| Molecular Formula | C10H9BrN2O |
| Molecular Weight | 253.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(3-Bromophenyl)-5-ethyl-1,2,4-oxadiazole (CAS 911049-01-9), molecular formula C10H9BrN2O and molecular weight 253.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H9BrN2O, 3-(3-Bromophenyl)-5-ethyl-1,2,4-oxadiazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.10 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.
As a certified reference material (CRM), 3-(3-Bromophenyl)-5-ethyl-1,2,4-oxadiazole 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 | C10H9BrN2O |
| Molecular Weight | 253.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromophenyl Standards
- 1-[(4-bromophenyl)methyl]-1H-1,2,4-triazol-3-amine (CAS 1019150-05-0)
- 3-(2-Bromophenyl)-5-ethyl-1,2,4-oxadiazole (CAS 1072944-70-7)
- 5-(2-Bromophenyl)-3-ethyl-1,2,4-oxadiazole (CAS 1119446-15-9)
- (3-(4-Bromophenyl)-1H-pyrazol-5-yl)methanol (CAS 1137165-23-1)
- 1-[(3-bromophenyl)methyl]-1H-1,2,4-triazol-3-amine (CAS 1183190-06-8)
- (3-(2-Bromophenyl)-1H-pyrazol-5-yl)methanol (CAS 1239155-22-6)
- (2-(3-Bromophenyl)-2h-1,2,3-triazol-4-yl)methanamine (CAS 1247555-13-0)
- (2-(3-bromophenyl)-1H-imidazol-4-yl)methanol (CAS 1342421-06-0)
Recommended Standards
- 3-(3-(Bromomethyl)phenyl)-5-methyl-1,2,4-oxadiazole (CAS 253273-90-4)
- 3-(4-Bromophenyl)-5-ethyl-1,2,4-oxadiazole (CAS 364743-34-0)
- 2-Bromo-1-(1-methyl-1H-benzoimidazol-5-yl)-ethanone (CAS 910036-80-5)
- 3-(Chlorosulfonyl)-4-methylbenzoyl chloride (CAS 547739-67-3)
- Tert-butyl (((1R,2R)-2-(aminomethyl)cyclopropyl)methyl)carbamate (CAS 1903427-97-3)
- Benzyl ((1S,2R,3S,5R)-2-fluoro-8-azabicyclo[3.2.1]octan-3-yl)carbamate (CAS 2375919-24-5)
- 4-Azido-L-phenylalanine (CAS 33173-53-4)
- 6-Amino-5-chloropyridin-3-ol (CAS 209328-70-1)
- 2,4-Diamino-6,7-diisopropylpteridine Phosphate Salt (CAS 84176-65-8)
- Eperisone Impurity 52 (CAS CATO-C4X-227952)
- 4-(2-Phenyl-5-tosylpyrimidin-4-yl)morpholine (CAS 478247-34-6)
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- 3-Oxo-2,3-dihydro-[1,2,4]triazolo-[4,3-a]pyridine-7-carboxylic acid (CAS 1083369-17-8)
- SAMS Peptide (CAS 125911-68-4)
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