2-(2-(2-((2,5-Dibromothiophen-3-yl)methoxy)ethoxy)ethoxy)ethanol CAS 821782-18-7
| CAS No. | 821782-18-7 |
| Molecular Formula | C11H16Br2O4S |
| Molecular Weight | 404.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-(2-(2-((2,5-Dibromothiophen-3-yl)methoxy)ethoxy)ethoxy)ethanol (CAS 821782-18-7) is a high-purity analytical reference standard with the molecular formula C11H16Br2O4S and a molecular weight of 404.12 g/mol.
Based on its molecular formula C11H16Br2O4S, 2-(2-(2-((2,5-Dibromothiophen-3-yl)methoxy)ethoxy)ethoxy)ethanol contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 404.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 2-(2-(2-((2,5-Dibromothiophen-3-yl)methoxy)ethoxy)ethoxy)ethanol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H16Br2O4S |
| Molecular Weight | 404.12 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromothiophen Standards
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- 2-(4,5-Dibromothiophen-2-yl)-1H-benzo[d]imidazole (CAS 49542-35-0)
- 5-(4,5-Dibromothiophen-2-yl)-4-methyl-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 828274-97-1)
- (E)-1-(4,5-dibromothiophen-2-yl)-3-(dimethylamino)prop-2-en-1-one (CAS 900019-43-4)
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Recommended Standards
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