4-Bromo-2-nitro-N-phenylaniline CAS 16588-25-3
| CAS No. | 16588-25-3 |
| Molecular Formula | C12H9BrN2O2 |
| Molecular Weight | 293.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 293.12 g/mol gives 4-Bromo-2-nitro-N-phenylaniline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Bromo-2-nitro-N-phenylaniline (CAS 16588-25-3), a certified reference material (molecular formula C12H9BrN2O2, MW 293.12 g/mol) for analytical method development and quality control.
Structurally, 4-Bromo-2-nitro-N-phenylaniline (C12H9BrN2O2) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 293.12 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 4-Bromo-2-nitro-N-phenylaniline 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 | C12H9BrN2O2 |
| Molecular Weight | 293.12 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 DMSO, DMF, methanol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 4-(4-Bromophenyl)-2-methylpyrimidine-5-carboxylic acid (CAS 1480715-50-1)
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- 2-Chloro-3-ethoxy-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2223029-21-6)
- 1-Benzhydryl-2-methylazetidine (CAS 81057-99-0)
- 5-(2-(Diisopropylcarbamoyl)-4-fluorophenoxy)pyrimidine 1-oxide (CAS 2169919-96-2)
- n-(4-Tert-butylphenyl)-2-chloropropanamide (CAS 731012-01-4)
- 6,6-Difluorobicyclo[3.1.0]hexan-2-amine (CAS 1393544-97-2)
- Tert-butyl (2S,3S)-3-(4-nitrophenyl)aziridine-2-carboxylate (CAS 1431364-32-7)
- (E)-5-Oxohex-2-enoic acid (CAS 32794-09-5)
- Methyl 5-methyl-4-oxotetrahydrofuran-3-carboxylate (CAS 3210-57-9)
- 3-(6-amino-1H-benzimidazol-2-yl)-2,3-dihydroxy-propanoic acid (CAS 957314-21-5)
- Calcitonin C-Terminal Flanking Peptide (human) XTFA (CAS 85916-47-8（free base）)
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