3,5-Dibromo-2-ethoxybenzaldehyde CAS 61657-67-8
| CAS No. | 61657-67-8 |
| Molecular Formula | C9H8Br2O2 |
| Molecular Weight | 307.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 307.97 g/mol gives 3,5-Dibromo-2-ethoxybenzaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3,5-Dibromo-2-ethoxybenzaldehyde (CAS 61657-67-8), a certified reference material (molecular formula C9H8Br2O2, MW 307.97 g/mol) for analytical method development and quality control.
Structurally, 3,5-Dibromo-2-ethoxybenzaldehyde (C9H8Br2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, 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 307.97 g/mol, it falls into the moderately-high-molecular-weight range. 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).
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), 3,5-Dibromo-2-ethoxybenzaldehyde 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 | C9H8Br2O2 |
| Molecular Weight | 307.97 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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.) | 1974 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- Methyl 3,5-dibromo-2-methylbenzoate (CAS 1000342-33-5)
- 2,2-Dibromo-1-(2-methoxyphenyl)ethan-1-one (CAS 1121543-12-1)
- 5,6-Dibromo-2,2-dimethylbenzo[d][1,3]dioxole (CAS 114414-23-2)
- Methyl 3,4-dibromo-5-methylbenzoate (CAS 1160574-54-8)
- 5-(3,5-Dibromo-1H-1,2,4-triazol-1-yl)pentanenitrile (CAS 1240573-98-1)
- 2,6-Dibromo-4-methylbenzoic acid methyl ester (CAS 128733-75-5)
- 3,5-Dibromo-4-methylphenyl acetate (CAS 13979-59-4)
- 1-(2,4-Dibromo-6-methoxyphenyl)ethanone (CAS 1423702-17-3)
Recommended Standards
- 3,5-Bis(bromomethyl)benzoic acid (CAS 94111-75-8)
- 3,5-Dibromo-2-hydroxy-4,6-dimethylbenzaldehyde (CAS 861521-89-3)
- 3-(3,5-Dibromophenyl)propanoic acid (CAS 923977-15-5)
- 3,5-Dibromo-4-ethoxybenzaldehyde (CAS 381238-96-6)
- Ethyl 4-(hydroxymethyl)tetrahydro-2H-pyran-4-carboxylate (CAS 193022-97-8)
- 2-(Aminomethyl)-4-(difluoromethyl)-3-hydroxy-5-(trifluoromethyl)pyridine (CAS 1805492-09-4)
- (S)-2-Amino-1-((R)-3-(benzyl(ethyl)amino)pyrrolidin-1-yl)-3-methylbutan-1-one (CAS 1401664-86-5)
- (R)-6-Methoxy-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid hydrochloride (CAS 2703745-93-9)
- 3-Oxabicyclo[4.1.0]heptan-7-amine hydrochloride (CAS 2171802-75-6)
- 2,6-Dimethyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-sulfonyl chloride (CAS 1171749-11-3)
- 4-(2-(Pyridin-4-yl)vinyl)phenyl 5-bromofuran-2-carboxylate (CAS 1011620-34-0)
- 3-Hydroxy-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-4-carbaldehyde (CAS 1261977-12-1)
- 4-(4-Chlorobenzenesulfonyl)-6-(methoxymethyl)-2-methylpyrimidine (CAS 338747-94-7)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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