2-Ethoxyethyl 2-bromoacetate CAS 56521-73-4
| CAS No. | 56521-73-4 |
| Molecular Formula | C6H11BrO3 |
| Molecular Weight | 211.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, 2-Ethoxyethyl 2-bromoacetate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 211.05 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 2-Ethoxyethyl 2-bromoacetate (CAS 56521-73-4), a certified reference material (molecular formula C6H11BrO3, MW 211.05 g/mol) for analytical method development and quality control.
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 | C6H11BrO3 |
| Molecular Weight | 211.05 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
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Recommended Standards
- 2-Bromo-3-methoxy-3-methylbutanoic acid (CAS 75974-47-9)
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- 1,3-Dichloro-5-ethyl-5-methylimidazolidine-2,4-dione (CAS 89415-87-2)
- 3-Bromopropyl ethyl carbonate (CAS 88571-26-0)
- Carboxymethyl-β-Cyclodextrin (CAS 218269-34-2)
- tert-Butyl (3-mercaptopyridin-4-yl)carbamate (CAS 365996-04-9)
- N-benzyl-N-methyl-3-phenyl-6-(trifluoromethyl)-1,2,4-triazin-5-amine (CAS 383148-48-9)
- 1-Methyl-1,2,3,4-tetrahydro-pyrrolo[1,2-a]pyrazineoxalic acid salt (CAS 1361112-83-5)
- 1-(3-Chlorophenyl)but-3-en-1-amine (CAS 1250174-71-0)
- 5-Hydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-7-methoxy-4H-chromen-4-one (CAS 107316-94-9)
- 1,4-benzenediacetyl dichloride (CAS 21062-19-1)
- 3-hydroxy-2-(thiophen-2-yl)-7-(trifluoromethyl)-1,4-dihydroquinolin-4-one (CAS 851268-40-1)
- 1-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)-3-(2,3-dichlorophenyl)thiourea (CAS 326815-14-9)
- Semaglutide impurity 22(OtBu-Ste-γGlu(OtBu)-AEEA-AEEA-OH) (CAS 1118767-16-0)
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