Ethyl 2-bromo-2-(2-chlorophenyl)acetate CAS 2856-79-3
| CAS No. | 2856-79-3 |
| Molecular Formula | C10H10BrClO2 |
| Molecular Weight | 277.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethyl 2-bromo-2-(2-chlorophenyl)acetate (C10H10BrClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/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 277.54 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Ethyl 2-bromo-2-(2-chlorophenyl)acetate (CAS 2856-79-3), molecular formula C10H10BrClO2 and molecular weight 277.54 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C10H10BrClO2 |
| Molecular Weight | 277.54 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1957 |
| Halogen Content | Cl/Br-containing |
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Recommended Standards
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- 4-((2,2,3,3-Tetrafluoropropoxy)methyl)benzohydrazide (CAS 438473-25-7)
- 1-(6-Phenoxybenzo[d]thiazol-2-yl)guanidine (CAS 1379811-48-9)
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- 5-Amino-2-butyl-1,2,4-thiadiazol-3(2H)-one (CAS 1365942-33-1)
- 2-(2,4-Dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-2,2-difluoroacetic acid (CAS 1376372-60-9)
- 1-Boc-3-formyl-5-nitroindole (CAS 914349-06-7)
- Peptide 439 (CAS CATO-CPTD788439)
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