3-Bromo-4-isopropoxy-5-methoxybenzaldehyde CAS 400070-31-7
| CAS No. | 400070-31-7 |
| Molecular Formula | C11H13BrO3 |
| Molecular Weight | 273.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Bromo-4-isopropoxy-5-methoxybenzaldehyde is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Bromo-4-isopropoxy-5-methoxybenzaldehyde (CAS 400070-31-7) is a high-purity analytical reference standard with the molecular formula C11H13BrO3 and a molecular weight of 273.12 g/mol.
Structurally, 3-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 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.
As a certified reference material (CRM), 3-Bromo-4-isopropoxy-5-methoxybenzaldehyde 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 | 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.) | 2025 |
| 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
- 3-Bromo-4-isobutoxybenzoic acid (CAS 881583-05-7)
- 3-Bromo-5-(tert-butyl)-2-hydroxybenzoic acid (CAS 73469-64-4)
- 3-Bromo-4-butoxybenzoic acid (CAS 450416-09-8)
- 3-Bromo-5-methoxy-4-propoxybenzaldehyde (CAS 91335-52-3)
- N-(5-Formyl-1H-imidazol-2-yl)acetamide (CAS 917919-66-5)
- 3,5,9-Trioxa-4-phosphaheptacosan-1-aminium, 4-hydroxy-N,N,N-trimethyl-7-(1-oxobutoxy)-, inner salt, 4-oxide, (7R)- (CAS 83526-67-4)
- 2-Hydroxy-N-methyl-5-(trifluoromethyl)benzamide (CAS 1243361-01-4)
- 3-Amino-N-(2,5-dimethylphenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 496019-12-6)
- 1-{(2R)-2-[(tert-Butoxycarbonyl)amino]propyl}-1H-1,2,3-triazole-4-carboxylic acid (CAS 1353548-46-5)
- n-(1-(Furan-2-yl)ethyl)-1-methoxypropan-2-amine (CAS 1019628-82-0)
- n-[1-(pyridin-3-yl)ethyl]cyclopropanecarboxamide (CAS 1252281-97-2)
- 7-Fluoro-2-naphthoic acid (CAS 5043-10-7)
- 2-Amino-4-methylpentan-3-ol (CAS 116435-65-5)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
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