2,5-Dibromo-3-pentylthiophene CAS 1187577-37-2
| CAS No. | 1187577-37-2 |
| Molecular Formula | C9H12Br2S |
| Molecular Weight | 312.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,5-Dibromo-3-pentylthiophene (CAS 1187577-37-2), a certified reference material (molecular formula C9H12Br2S, MW 312.06 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H12Br2S, 2,5-Dibromo-3-pentylthiophene contains sulfur-containing functionality, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 312.06 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.
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.
As a certified reference material (CRM), 2,5-Dibromo-3-pentylthiophene 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 | C9H12Br2S |
| Molecular Weight | 312.06 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- (4-Bromophenyl)(phenyl)selane (CAS 109019-09-2)
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- 4-Bromo-2-(2-(bromomethyl)butyl)thiophene (CAS 1494143-25-7)
- 6-(2-Isopropoxyethoxy)nicotinic acid (CAS 1016493-51-8)
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- 3-(4-Amino-2-pyridyl)-1-propanol (CAS 340006-72-6)
- Nifuratel Impurity 32 (CAS CATO-C4X-127232)
- N,N-bis(2-chloroethyl)-4-nitrobenzenesulfonamide (CAS 90876-33-8)
- 4,4',4''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))tris(2-hydroxybenzaldehyde) (CAS 2415867-40-0)
- 2-Amino-5-((2-hydroxyethoxy)methyl)pyrimidin-4(1H)-one (CAS 88459-68-1)
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- tert-Butyl 4-((2-chloro-N-isopropylacetamido)methyl)piperidine-1-carboxylate (CAS 1353988-35-8)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
Why CATO?
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