2-Bromo-4-methoxybenzyl Chloride (+ regioisomers) CAS 66916-97-0
| CAS No. | 66916-97-0 |
| Molecular Formula | C8H8BrClO |
| Molecular Weight | 235.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Bromo-4-methoxybenzyl Chloride (+ regioisomers) (CAS 66916-97-0), molecular formula C8H8BrClO and molecular weight 235.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H8BrClO, 2-Bromo-4-methoxybenzyl Chloride (+ regioisomers) contains 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 235.51 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).
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 | C8H8BrClO |
| Molecular Weight | 235.51 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl/Br-containing |
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Recommended Standards
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- (E)-3-(3-(3,5-bis(trifluoromethyl)phenyl)-1H-1,2,4-triazol-1-yl)-2-bromoacrylamide (CAS 1642300-95-5)
- 1-(4-AMino-6-methyl-1-phenyl-1h-pyrazolo[3,4-b]pyridin-5-yl)ethanone (CAS 2089391-66-0)
- 3-Chloro-1-phenylisoquinoline-4-carbonitrile (CAS 72118-85-5)
- Experimental Allergic Encephalitogenic Peptide (CAS 29705-92-8)
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