3-Bromo-2-hydroxy-5-nitrobenzoic acid CAS 57688-24-1
| CAS No. | 57688-24-1 |
| Molecular Formula | C7H4BrNO5 |
| Molecular Weight | 262.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H4BrNO5, 3-Bromo-2-hydroxy-5-nitrobenzoic acid contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 262.01 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).
3-Bromo-2-hydroxy-5-nitrobenzoic acid (CAS 57688-24-1) is a high-purity analytical reference standard with the molecular formula C7H4BrNO5 and a molecular weight of 262.01 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-Bromo-2-hydroxy-5-nitrobenzoic acid 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 | C7H4BrNO5 |
| Molecular Weight | 262.01 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 5-Bromo-2-hydroxy-3-nitrobenzoic acid (CAS 10169-50-3)
- 5-Bromo-4,7-difluoroindoline-2,3-dione (CAS 1459253-79-2)
- 6-Bromo-5,7-difluoroindoline-2,3-dione (CAS 1698027-85-8)
- 2-Bromo-4-hydroxy-5-nitrobenzoic acid (CAS 855749-53-0)
- 3-Bromo-4-hydroxy-5-nitrobenzoic acid (CAS 67175-27-3)
- 4-Bromo-3-hydroxy-2-nitrobenzoic acid (CAS 37524-08-6)
- 4-Bromo-5-hydroxy-2-nitrobenzoic acid (CAS 39978-90-0)
- 5-Bromo-4,6-difluoro-2,3-dihydro-1h-indole-2,3-dione (CAS 874830-74-7)
Recommended Standards
- 1-Chlorotetradecane-d (CAS 352431-16-4)
- 2,4-Dichloro-3,5-Dinitrobenzonitrile (CAS 1930-71-8)
- 8-Iodopyrazolo[1,5-a][1,3,5]triazin-4(3H)-one (CAS 147916-84-5)
- 6-bromo-4,7-difluoro-indoline-2,3-dione (CAS 2250340-28-2)
- 5-(Propoxymethyl)quinolin-8-ol (CAS 22049-20-3)
- 5-Phenylpyridine-3-boronic Acid (CAS 850991-38-7)
- 2-(Difluoromethyl)-3-iodo-6-(trifluoromethyl)pyridine-5-acetonitrile (CAS 1805552-16-2)
- 6,8-Dichloro-2-methylquinolin-4-ol (CAS 95541-31-4)
- Erocainide (CAS 85750-38-5)
- Tert-butyl 4-(aminomethyl)-2-(((tert-butyldiphenylsilyl)oxy)methyl)piperidine-1-carboxylate (CAS 2306276-02-6)
- 2-(2,3-dichlorophenyl)-N-methoxy-N-methylacetamide (CAS 1803608-06-1)
- 3-(2-Pyridyl)cyclopentan-1-one (CAS 1181570-62-6)
- 2,4-Dibutoxy-1-chlorobenzene (CAS 194083-31-3)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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