5-(4-Bromo-3,5-dimethylphenyl)oxazole CAS 2225759-21-5
| CAS No. | 2225759-21-5 |
| Molecular Formula | C11H10BrNO |
| Molecular Weight | 252.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(4-Bromo-3,5-dimethylphenyl)oxazole (CAS 2225759-21-5), molecular formula C11H10BrNO and molecular weight 252.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H10BrNO, 5-(4-Bromo-3,5-dimethylphenyl)oxazole 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 252.11 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H10BrNO |
| Molecular Weight | 252.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1998 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-(4-Bromo-2-ethylphenyl)oxazole (CAS 2364585-30-6)
- 5-(4-Bromophenyl)-1-methyl-1H-imidazol-2-amine (CAS 787586-84-9)
- 5-(4-Bromo-2,6-dimethylphenyl)oxazole (CAS 2364584-95-0)
- 5-(4-Bromophenyl)-3,4-dimethylisoxazole (CAS 879884-50-1)
- Alimemazine hydrochloride (CAS 1936-51-2)
- 1-[4-(1H-Pyrazol-5-yl)phenyl]-1,4-dihydropyridin-4-one (CAS 241488-24-4)
- 7-Fluoro-3,3-dimethyl-2,3-dihydro-1H-indol-2-one (CAS 866208-24-4)
- [(R)-1-(2-hydroxy-ethyl)-piperidin-3-yl]-carbamic acid tert-butyl ester (CAS 1354003-20-5)
- N-Succinimidyl 7-(Diethylamino)coumarin-3-carboxylate (CAS 139346-57-9)
- 5,5-Dimethyl-2-(((2-(piperazin-1-yl)ethyl)amino)methylene)cyclohexane-1,3-dione (CAS 299443-43-9)
- 3-[1-oxo-5-(2-prop-2-ynoxyethoxy)isoindolin-2-yl]piperidine-2,6-dione (CAS 2589696-92-2)
- Ethyl 3-(pyrrolidin-1-ylsulfonyl)benzo[b]thiophene-2-carboxylate (CAS 932520-26-8)
- Perfluorooctanesulfonate-13C8 sodium salt (CAS 2522762-16-7)
- Semaglutide impurity 93 (CAS CATO-C4X-222693)
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