4-Bromo-2-methoxyphenol CAS 7368-78-7
| CAS No. | 7368-78-7 |
| Molecular Formula | C7H7BrO2 |
| Molecular Weight | 203.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-methoxyphenol (CAS 7368-78-7), molecular formula C7H7BrO2 and molecular weight 203.03 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 4-Bromo-2-methoxyphenol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 203.03 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.
As a certified reference material (CRM), 4-Bromo-2-methoxyphenol 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 | C7H7BrO2 |
| Molecular Weight | 203.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 3-Bromo-5-hydroxybenzyl Alcohol (CAS 1020336-51-9)
- 3-Bromo-5-methylbenzene-1,2-diol (CAS 117654-19-0)
- 2-Bromo-1-(4-methylfuran-2-yl)ethanone (CAS 133674-82-5)
- 2-Bromo-3-methoxyphenol (CAS 135999-16-5)
- 4-Bromo-2-methylbenzene-1,3-diol (CAS 139553-46-1)
- 2-Bromo-1-(5-methylfuran-2-yl)ethanone (CAS 1634-53-3)
- 5-Bromo-2-(hydroxymethyl)phenol (CAS 170434-11-4)
- 2-Bromo-4-methoxyphenol (CAS 17332-11-5)
Recommended Standards
- 4,7-Dichloro-2-methyl-2H-pyrazolo[3,4-d]pyridazine (CAS 2645374-13-4)
- 4-Bromo-3-methylbenzene-1,2-diol (CAS 93940-91-1)
- 4,7-Dichloro-1-methyl-1H-imidazo[4,5-d]pyridazine (CAS 5422-71-9)
- 4-Bromo-5-methylbenzene-1,3-diol (CAS 3446-04-6)
- 5-(((4-Bromobenzyl)sulfinyl)methyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 344274-71-1)
- 3,4-Dichloro-3-(2-methylphenyl)propiophenone (CAS 898790-02-8)
- N-(1-methyl-2-trifluoromethylsulfanyl-ethyl)-nicotinamide (CAS 1204234-41-2)
- 5-Amino-1-ethylpiperidin-2-one (CAS 1334146-74-5)
- 4-(Aminomethyl)-6-methyl-2,3-dihydropyridazin-3-one (CAS 802021-93-8)
- 6-(Phenylsulfonyl)-2-oxaspiro[3.3]Heptane (CAS 1339892-64-6)
- Ethyl 2-amino-4-bromo-3,5-difluorobenzoate (CAS 2105467-16-9)
- 3-(4-(Trifluoromethyl)phenyl)-1,2,4-oxadiazol-5-amine (CAS 1260886-71-2)
- 4-Cyano-3-difluoromethoxy-5-ethylbenzoic acid (CAS 1805650-67-2)
- Peptide 439 (CAS CATO-CPTD788439)
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