4-Bromo-2-chloro-3-hydroxybenzoic acid CAS 91658-95-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91658-95-6 |
| Molecular Formula | C7H4BrClO3 |
| Molecular Weight | 251.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-chloro-3-hydroxybenzoic acid (CAS 91658-95-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H4BrClO3. Molecular weight: 251.46 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H4BrClO3 |
| Molecular Weight | 251.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; 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.) | 1983 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 3-Bromo-5-chloro-4-hydroxybenzoic acid (CAS 118276-15-6)
- 5-Bromo-4-chloro-2-hydroxybenzoic acid (CAS 142167-38-2)
- 3-Bromo-4-chloro-5-hydroxybenzoic acid (CAS 1823372-67-3)
- 2-Bromo-3-chloro-6-hydroxybenzoic acid (CAS 1934463-24-7)
- 3-Bromo-5-chloro-2-hydroxybenzoic acid (CAS 4068-58-0)
- 5-Bromo-2-chloro-3-hydroxybenzoic acid (CAS 697762-68-8)
- 5-Bromo-3-chloro-2-hydroxybenzoic acid (CAS 2200-85-3)
- 4-Bromo-3-chloro-2-nitroaniline (CAS 1000573-99-8)
Recommended Standards
- 2,6,8-Trichloropyrimido[5,4-d]pyrimidin-4(1H)-one (CAS 2060002-64-2)
- Methyl 6-bromo-5-chloropyrazine-2-carboxylate (CAS 1017603-87-0)
- 3-Bromo-2-chloro-4-methyl-5-nitropyridine (CAS 1049706-73-1)
- 2-Chloro-5,7-dimethyl-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one (CAS 1638764-72-3)
- 2-(4-Methyl-1h-pyrazol-1-yl)butanoic acid (CAS 1172375-78-8)
- tert-Butyl-(S)-2-(azidomethyl)-1-pyrrolidine carboxylate (CAS 168049-26-1)
- 9H-Xanthene-9-thione (CAS 492-21-7)
- 4-(Benzyloxy)-4'-methoxy[1,1'-biphenyl]-3-carbaldehyde (CAS 893735-43-8)
- 2-(2-Methacrylamidoacetamido)acetic acid (CAS 57950-62-6)
- Des-Ile27-Tirzepatide (CAS CATO-CPTD788946)
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