2-bromo-3-methylbenzaldehyde CAS 109179-31-9
| CAS No. | 109179-31-9 |
| Molecular Formula | C8H13BrO |
| Molecular Weight | 205.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-bromo-3-methylbenzaldehyde (CAS 109179-31-9) is a high-purity analytical reference standard with the molecular formula C8H13BrO and a molecular weight of 205.09 g/mol.
The molecular framework of 2-bromo-3-methylbenzaldehyde (C8H13BrO) is characterized by a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H13BrO |
| Molecular Weight | 205.09 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 8-Bromooct-1-yn-3-ol (CAS 1579278-86-6)
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- 1-(4-Fluorophenyl)-2-(oxetan-3-ylthio)ethan-1-one (CAS 1501864-88-5)
- 1-(5-Nitro-thiazol-2-yl)-piperazine (CAS 46298-53-7)
- (1r,4r)-N1-(4-Methoxybenzyl)cyclohexane-1,4-diamine hydrochloride (CAS 1417789-34-4)
- Benzene-1,2,4,5-tetrayltetrakis(methylene)tetrabutyltetrakis(carbonotrithioate) (CAS 1313038-04-8)
- 3-Amino-1-(trifluoromethyl)cyclopentan-1-ol hydrochloride (CAS 1333658-57-3)
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- Ethyl 2-amino-5-benzylthiophene-3-carboxylate (CAS 216686-60-1)
- (1S,2S)-2-(Aminomethyl)cyclopropanecarboxylic acid (CAS 213757-89-2)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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