2-Bromo-6-methoxy-4-methylbenzaldehyde CAS 133129-29-0
| CAS No. | 133129-29-0 |
| Molecular Formula | C9H9BrO2 |
| Molecular Weight | 229.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Bromo-6-methoxy-4-methylbenzaldehyde.
2-Bromo-6-methoxy-4-methylbenzaldehyde (CAS 133129-29-0) is a high-purity analytical reference standard with the molecular formula C9H9BrO2 and a molecular weight of 229.07 g/mol.
Based on its molecular formula C9H9BrO2, 2-Bromo-6-methoxy-4-methylbenzaldehyde 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 229.07 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.
As a certified reference material (CRM), 2-Bromo-6-methoxy-4-methylbenzaldehyde 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 | C9H9BrO2 |
| Molecular Weight | 229.07 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.) | 1995 |
| Halogen Content | Br-containing |
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Recommended Standards
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- BTP27C11 (CAS 2653216-24-9)
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- 6-Chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4(3H)-one (CAS 1268612-27-6)
- Murrayanol (CAS 144525-81-5)
- N-(4-chlorobenzyl)-1-(2-nitrophenyl)methanamine (CAS 912772-17-9)
- Methyl 4-Aminopiperidine-4-carboxylate Dihydrochloride (CAS 161315-19-1)
- 2-Fluoro-3-nitrobenzoic Acid (CAS 317-46-4)
- 2-Methylisoquinolin-2-ium iodide (CAS 3947-77-1)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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