2-Bromo-4-methyl-6-nitroaniline CAS 827-24-7
| CAS No. | 827-24-7 |
| Molecular Formula | C7H7BrN2O2 |
| Molecular Weight | 231.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Bromo-4-methyl-6-nitroaniline is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Bromo-4-methyl-6-nitroaniline (CAS 827-24-7), molecular formula C7H7BrN2O2 and molecular weight 231.05 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-4-methyl-6-nitroaniline (C7H7BrN2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 231.05 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 2-Bromo-4-methyl-6-nitroaniline 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 | C7H7BrN2O2 |
| Molecular Weight | 231.05 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 3-Bromo-2-methyl-5-nitroaniline (CAS 1000342-34-6)
- 2-Bromo-5-methyl-3-nitroaniline (CAS 102169-98-2)
- 2-Bromo-4-methyl-5-nitroaniline (CAS 102169-99-3)
- n-(5-Bromo-2-hydroxypyridin-3-yl)acetamide (CAS 102170-55-8)
- 2-Bromo-6-methyl-4-nitroaniline (CAS 102170-56-9)
- (E)-5-bromo-3-methoxypicolinaldehyde oxime (CAS 1087659-33-3)
- N-(6-Bromo-2-methoxypyridin-3-yl)formamide (CAS 1123194-96-6)
- 5-Bromo-N-methoxypyridine-3-carboxamide (CAS 1137063-16-1)
Recommended Standards
- 2-Bromo-4-ethyl-5-nitropyridine (CAS 929617-28-7)
- 2-Bromo-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylic acid (CAS 2090987-48-5)
- 2-Bromo-3-methyl-5-nitroaniline (CAS 631911-97-2)
- 2-bromo-5H,6H,8H-imidazo[2,1-c][1,4]oxazine-3-carbaldehyde (CAS 2060000-28-2)
- 3-(Tert-butyl)-4-(4-chlorophenyl)-N-(pyridin-3-ylmethyl)thiazol-2(3H)-imine (CAS 866009-98-5)
- (2-Amino-4,5,6,7-tetrahydrobenzo[d]thiazol-4-yl)methanol (CAS 405071-50-3)
- 4-Amino-N-(4-chlorobenzyl)-N-methylbenzenesulfonamide (CAS 1199215-55-8)
- (2,3-Dihydro-1,4-benzodioxin-6-yl)thiourea (CAS 420130-76-3)
- 3,5-Dibromo-1H-pyrazole (CAS 67460-86-0)
- N-(m-tolyl)bicyclo[2.2.1]Heptan-2-amine (CAS 1250577-69-5)
- Ethyl 2-acetamido-4-phenylthiazole-5-carboxylate (CAS 113019-70-8)
- 4-nitroindolin-2-one (CAS 61394-51-2)
- (2-(4-Ethyl-4,5-dihydrooxazol-2-yl)phenyl)methanol (CAS 63285-63-2)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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