Methyl 2-bromo-3',5'-dichlorophenylacetate CAS 929048-72-6
| CAS No. | 929048-72-6 |
| Molecular Formula | C9H7BrCl2O2 |
| Molecular Weight | 297.96 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 Methyl 2-bromo-3',5'-dichlorophenylacetate.
Methyl 2-bromo-3',5'-dichlorophenylacetate (CAS 929048-72-6), molecular formula C9H7BrCl2O2 and molecular weight 297.96 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H7BrCl2O2, Methyl 2-bromo-3',5'-dichlorophenylacetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 297.96 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C9H7BrCl2O2 |
| Molecular Weight | 297.96 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1987 |
| Halogen Content | Cl/Br-containing |
Related Methyl Standards
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Recommended Standards
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- 5-Amino-3-methyl-1-p-tolylpyrazole (CAS 62535-60-8)
- 4-(4-(Pyridin-2-yl)pyrimidin-2-yl)phenyl 4-methylbenzoate (CAS 477857-37-7)
- Palmitoyl Hexapeptide-12 TFA salt (CAS 171263-26-6(Free Base))
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