2-Bromo-4-isopropoxy-5-methoxybenzaldehyde CAS 56517-33-0
| CAS No. | 56517-33-0 |
| Molecular Formula | C11H13BrO3 |
| Molecular Weight | 273.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Bromo-4-isopropoxy-5-methoxybenzaldehyde (CAS 56517-33-0), molecular formula C11H13BrO3 and molecular weight 273.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-4-isopropoxy-5-methoxybenzaldehyde (C11H13BrO3) 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 273.12 g/mol, it falls into the medium-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).
CATO manufactures 2-Bromo-4-isopropoxy-5-methoxybenzaldehyde 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.
Physical & Chemical Properties
| Molecular Formula | C11H13BrO3 |
| Molecular Weight | 273.12 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.) | 1973 |
| Halogen Content | Br-containing |
Related Bromo Standards
- Ethyl 2-(3-bromo-4-methoxyphenyl)acetate (CAS 100125-96-0)
- Butyl 5-bromo-2-hydroxybenzoate (CAS 100126-05-4)
- Methyl 4-bromo-2-isopropoxybenzoate (CAS 1016313-23-7)
- 1-(3-Bromo-4,5-dimethoxyphenyl)propan-2-one (CAS 1017082-55-1)
- 3-Bromo-1-(3,4-dimethoxyphenyl)propan-1-one (CAS 105174-63-8)
- Ethyl 2-bromo-2-(2-methoxyphenyl)acetate (CAS 109041-91-0)
- 4-Bromo-2-butoxybenzoic acid (CAS 1095036-68-2)
- 3-Bromo-4-(tert-butoxy)benzoic acid (CAS 1131594-11-0)
Recommended Standards
- 2-Bromo-4,5-diethoxybenzaldehyde (CAS 91335-51-2)
- 2-Bromo-5-ethoxybenzaldehyde ethylene acetal (CAS 2221812-35-5)
- 2-Bromo-4-(5-ethoxycarbonyl-2-furanyl)-1-butene (CAS 951886-44-5)
- 2-bromo-5-methoxy-4-propoxybenZaldehyde (CAS 515847-38-8)
- Octakis(tetramethylammonium)-t8-silsesquioxane (CAS 56982-91-3)
- 1-(1-amino-3-phenoxypropyl)-4-chlorobenzene hydrochloride (CAS 1258641-41-6)
- 3-(2-Methoxyethyl)-2-methyl-5-phenylbenzo[d]oxazol-3-ium 4-methylbenzenesulfonate (CAS 63979-86-2)
- 2,5-Dichlorophenyl-4'-nitrophenyl ether (CAS 39145-48-7)
- (R)-tert-Butyl 3-methylpiperazine-1-carboxylate hydrochloride (CAS 1384840-46-3)
- 2-(3-Methyl-2,4-dioxothiazolidin-5-yl)acetic acid (CAS 613656-83-0)
- 2-{[(4-bromophenyl)sulfanyl]methyl}pyrrolidine (CAS 1248501-25-8)
- (S)-2-amino-N-cyclohexyl-3-methylbutanamide hydrochloride (CAS 1432670-75-1)
- (1R,3R)-3-Morpholinospiro[3.3]heptan-1-amine (CAS 1989638-38-1)
- Glucagon Monohydrochloride (CAS 28270-04-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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