3-Bromo-5-hydroxybenzaldehyde CAS 199177-26-9
| CAS No. | 199177-26-9 |
| Molecular Formula | C7H5BrO2 |
| Molecular Weight | 201.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Bromo-5-hydroxybenzaldehyde (CAS 199177-26-9) is a high-purity analytical reference standard with the molecular formula C7H5BrO2 and a molecular weight of 201.02 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 3-Bromo-5-hydroxybenzaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 201.02 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 3-Bromo-5-hydroxybenzaldehyde 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 | C7H5BrO2 |
| Molecular Weight | 201.02 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-(5-Bromo-4-pyrimidinyl)ethanone (CAS 1245643-85-9)
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- 2-bromo-1-pyrazinyl-Ethanone (CAS 132426-19-8)
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Recommended Standards
- 2-Bromonicotinamide (CAS 87674-18-8)
- 3-Bromopicolinamide (CAS 36057-54-2)
- 2-Bromo-6-methylcyclohexa-2,5-diene-1,4-dione (CAS 6293-55-6)
- 4-Bromo-1,3-benzodioxole (CAS 6698-13-1)
- 6-Methyl-1-heptene, 97% (CAS 5026-76-6)
- 3,5-Dibromo-2-methoxybenzonitrile (CAS 879181-60-9)
- H-Leu-allyl ester · p-tosylate (CAS 45012-62-2)
- N-((4-((2-Methoxyacridin-9-yl)amino)phenyl)sulfonyl)acetamide (CAS 827025-29-6)
- 2-(2-Bromocyclohex-1-en-1-yl)ethan-1-ol (CAS 85236-15-3)
- 2-Difluoromethoxy-5-(trifluoromethoxy)benzonitrile (CAS 1803792-09-7)
- (6-Methyl-2-piperidin-3-yl-pyrimidin-4-yl)-(3-methyl-pyridin-2-yl)-aminehydrochloride (CAS 1361115-08-3)
- Amlodipine Impurity 134 (CAS CATO-C4X-1095134)
- 2-(Azetidin-3-yloxy)-5-bromopyridine (CAS 1186327-93-4)
- Acetyl-(Leu28·31)-Neuropeptide Y (24-36) (CAS 155709-24-3)
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