5-Bromo-3-ethoxy-4-hydroxybenzaldehyde CAS 3111-37-3
| CAS No. | 3111-37-3 |
| Molecular Formula | C9H9BrO3 |
| Molecular Weight | 245.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Bromo-3-ethoxy-4-hydroxybenzaldehyde 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.
5-Bromo-3-ethoxy-4-hydroxybenzaldehyde (CAS 3111-37-3) is a high-purity analytical reference standard with the molecular formula C9H9BrO3 and a molecular weight of 245.07 g/mol.
Based on its molecular formula C9H9BrO3, 5-Bromo-3-ethoxy-4-hydroxybenzaldehyde contains 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 245.07 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).
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.
Physical & Chemical Properties
| Molecular Formula | C9H9BrO3 |
| Molecular Weight | 245.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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 |
| 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.) | 1957 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 4-Bromo-N-methoxy-N-methylpicolinamide (CAS 1005342-94-8)
- 2-(4-Bromo-3-cyclopropyl-1h-pyrazol-1-yl)acetic acid (CAS 1006333-38-5)
- Ethyl 2-bromo-5-hydroxybenzoate (CAS 102297-71-2)
- 4-Bromo-2-methoxyphenylacetic Acid (CAS 1026089-09-7)
- Methyl 6-bromo-2-(methylamino)nicotinate (CAS 1034131-15-1)
- 1-(3-Bromo-4-hydroxy-5-methoxyphenyl)ethan-1-one (CAS 103653-14-1)
- 1-(2-Bromo-5-nitrophenyl)-N-methylmethanamine (CAS 1037082-28-2)
- Methyl 2-bromo-3-(hydroxymethyl)benzoate, 97% (CAS 1055968-79-0)
Recommended Standards
- 5-Bromo-3-ethoxy-2-hydroxybenzaldehyde (CAS 20035-44-3)
- 5-Bromo-4-(methoxymethyl)benzo[d][1,3]dioxole (CAS 669051-20-1)
- 5-Bromo-2-methoxyphenyl acetate (CAS 66037-04-5)
- 5-Bromo-4-methoxy-2-methylbenzoic acid, 97% (CAS 875245-69-5)
- ethyl 5-hydroxypyridine-2-carboxylate;hydrochloride (CAS 2281767-78-8)
- 3-(4-Fluoro-2-methoxyphenyl)pentan-3-ol (CAS 1443344-02-2)
- 6-(3-(Trifluoromethyl)phenyl)pyridazin-3-ol (CAS 66548-62-7)
- 4-Bromophenyl disulfide (CAS 5335-84-2)
- (2R)-2-[3-(2-methoxyethoxy)-5-oxo-1,6-naphthyridin-6-yl]propanoic acid (CAS 1255859-30-3)
- 6-Nitroimidazo[1,2-a]pyridine (CAS 25045-82-3)
- 3-Chloro-N,N-dimethylbenzamide (CAS 24167-52-0)
- 5-Bromo-2-(piperidin-1-ylamino)nitrobenzene (CAS 1552590-64-3)
- tert-Butyl 1,9-diazaspiro[5.5]undecane-9-carboxylate oxalate (CAS 2177259-22-0)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com