1-(2-Bromo-4-nitrophenyl)ethan-1-one CAS 90004-93-6
| CAS No. | 90004-93-6 |
| Molecular Formula | C8H6BrNO3 |
| Molecular Weight | 244.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(2-Bromo-4-nitrophenyl)ethan-1-one (CAS 90004-93-6), molecular formula C8H6BrNO3 and molecular weight 244.04 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H6BrNO3, 1-(2-Bromo-4-nitrophenyl)ethan-1-one 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 244.04 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 | C8H6BrNO3 |
| Molecular Weight | 244.04 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1-(2,4-Dichlorophenyl)-2,2,2-trifluoroethan-1-amine (CAS 886371-18-2)
- 1-(2-Bromo-5-nitrophenyl)ethanone (CAS 65130-31-6)
- 1-(2,3-Dichlorophenyl)-2,2,2-trifluoroethan-1-amine (CAS 886371-14-8)
- 1-(2-Bromo-6-nitrophenyl)ethan-1-one (CAS 55737-11-6)
- Ethyl 5-(2,3,4-trifluorophenoxy)pentanoate (CAS 1443354-13-9)
- 3-(2-Methoxyethoxy)pyridin-2-amine (CAS 171346-70-6)
- 1H-[1,2,4]Triazolo[3,4-b][1,3,5]triazepine (CAS 139349-50-1)
- 3-(2-Methoxyethoxy)phenylboronic Acid (CAS 227305-67-1)
- 4-Hydroxy-4-(6-methoxy-3-pyridyl)cyclohexanone (CAS 708273-57-8)
- 7-(2,6-Dimethoxyphenyl)-7-oxoheptanoic acid (CAS 898792-51-3)
- 3-Chloroquinoline-8-carboxylic acid (CAS 125300-42-7)
- 4-(P-tolyl)benzo[b]thiophene-6-carboxylic acid (CAS 100046-86-4)
- 4-Chloro-6-methyl-2-(1-methyl-piperidin-3-yl)-pyrimidine (CAS 1316223-48-9)
- Neuropeptide K, porcine (CAS 106441-70-7)
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