2,5-Dibromo-3-hexadecylthiophene CAS 178452-13-6
| CAS No. | 178452-13-6 |
| Molecular Formula | C20H34Br2S |
| Molecular Weight | 466.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H34Br2S, 2,5-Dibromo-3-hexadecylthiophene contains sulfur-containing functionality, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 466.36 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.
2,5-Dibromo-3-hexadecylthiophene (CAS 178452-13-6) is a high-purity analytical reference standard with the molecular formula C20H34Br2S and a molecular weight of 466.36 g/mol.
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 | C20H34Br2S |
| Molecular Weight | 466.36 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 3-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)alanine (CAS 19772-76-0)
- 4-((Dimethylamino)methyl)-5-methyl-1H-pyrazol-3-ol (CAS 54952-59-9)
- Z-Tyr(Bzl)-OH (CAS 16677-29-5)
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- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
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