2-Bromo-4-methyl-3-nitrophenol CAS 74129-08-1
| CAS No. | 74129-08-1 |
| Molecular Formula | C7H6BrNO3 |
| Molecular Weight | 232.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 232.03 g/mol gives 2-Bromo-4-methyl-3-nitrophenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-4-methyl-3-nitrophenol (CAS 74129-08-1), molecular formula C7H6BrNO3 and molecular weight 232.03 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 2-Bromo-4-methyl-3-nitrophenol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 232.03 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 2-Bromo-4-methyl-3-nitrophenol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H6BrNO3 |
| Molecular Weight | 232.03 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, water |
| 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.) | 1978 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 2-Bromo-5-methyl-3-nitrophenol (CAS 100959-45-3)
- 2-Bromo-6-methoxynicotinic acid (CAS 1009735-25-4)
- 2-Bromo-4-methyl-5-nitrophenol (CAS 103448-24-4)
- 6-Bromo-4-methoxypicolinic acid (CAS 1060805-13-1)
- 6-Bromo-4-methoxynicotinic acid (CAS 1060805-14-2)
- 4-Bromo-6-methoxynicotinic acid (CAS 1060806-61-2)
- 6-Bromo-2-methoxynicotinic acid (CAS 1060806-62-3)
- 4-Bromo-6-methoxypicolinic acid (CAS 1060810-46-9)
Recommended Standards
- 2-Bromo-4-methoxynitrobenzene (CAS 98447-30-4)
- 2-Bromo-4-methyl-6-nitrophenol (CAS 20039-91-2)
- 2-Bromo-4-methoxynicotinic acid (CAS 87853-67-6)
- 2-Bromo-4-nitroanisole (CAS 5197-28-4)
- 3-(2-(3,4-Dimethylphenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl)propanoic acid (CAS 1255779-17-9)
- tert-Butyl (R)-(4-amino-1-phenylbutan-2-yl)carbamate (CAS 1391423-36-1)
- 3-Isopropyl-8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1247660-15-6)
- 3,3-Dimethyl-N-(5-(1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-c]pyridin-5-yl)pyridin-3-yl)butanamide (CAS 2007916-45-0)
- 3-(2-Chlorophenyl)-5-[1-(3,4-difluorobenzoyl)pyrrolidin-2-yl]-1,2,4-oxadiazole (CAS 1795410-76-2)
- 3-Chloroisoquinolin-6-ol (CAS 1374652-53-5)
- 2-Amino-N,N-diethyl-4-methyl-5-phenylthiophene-3-carboxamide (CAS 790270-91-6)
- 898767-49-2 4-(2-Iodophenyl)-4-oxobutanoic acid DTXSID20645391 (CAS 898767-49-2)
- Methyl 2-(4-(2,4-dichlorophenoxy)butanamido)-4-methyl-5-((3-(trifluoromethyl)phenyl)carbamoyl)thiophene-3-carboxylate (CAS 335409-42-2)
- (Des-Gly2)-Exenatide trifluoroacetate salt (CAS 1678416-78-8)
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