3-Bromo-5-chloro-2-hydroxybenzoic acid CAS 4068-58-0
| CAS No. | 4068-58-0 |
| Molecular Formula | C7H4BrClO3 |
| Molecular Weight | 251.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Bromo-5-chloro-2-hydroxybenzoic acid (C7H4BrClO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/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 251.46 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.
CATO supplies 3-Bromo-5-chloro-2-hydroxybenzoic acid (CAS 4068-58-0), a certified reference material (molecular formula C7H4BrClO3, MW 251.46 g/mol) for analytical method development and quality control.
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), 3-Bromo-5-chloro-2-hydroxybenzoic acid 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 | 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.) | 1958 |
| 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)
- 4-Bromo-2-chloro-3-hydroxybenzoic acid (CAS 91658-95-6)
- 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)
- Heptadecanonitrile (CAS 5399-02-0)
- 3-Bromo-2-chloro-4-methyl-5-nitropyridine (CAS 1049706-73-1)
- 2-Chloro-1-(4-(4-chlorophenyl)piperazin-1-yl)ethan-1-one (CAS 60121-78-0)
- 4-Bromo-5-butylthiophene-2-carbohydrazide (CAS 1399659-23-4)
- 3-(4-(1-Butyl-1H-indol-2-yl)phenyl)propanoic acid (CAS 88561-07-3)
- 2-Amino-3-(4-(trifluoromethyl)-1h-pyrazol-1-yl)propanoic acid (CAS 1343793-40-7)
- 2-(4-(4-Methylpiperazin-1-yl)benzylidene)malononitrile (CAS 66883-96-3)
- 4-Bromo-6-chloro-2-(difluoromethyl)nicotinoyl chloride (CAS 1805341-99-4)
- 5-tert-Butyl-2-nitrophenol (CAS 5651-77-4)
- 4-Bromo-N-[(4-chlorophenyl)methyl]aniline (CAS 195968-98-0)
- 7-Oxa-1,3-diazaspiro[4.4]nonane-2,4-dione (CAS 81866-98-0)
- Tirzepatide(sodium salt) (CAS 2023788-19-2(free base))
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