4-(4-Bromothiophen-2-yl)but-3-en-2-one CAS 1344805-55-5
| CAS No. | 1344805-55-5 |
| Molecular Formula | C8H7BrOS |
| Molecular Weight | 231.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(4-Bromothiophen-2-yl)but-3-en-2-one (CAS 1344805-55-5) is a high-purity analytical reference standard with the molecular formula C8H7BrOS and a molecular weight of 231.11 g/mol.
The molecular framework of 4-(4-Bromothiophen-2-yl)but-3-en-2-one (C8H7BrOS) is characterized by sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4-(4-Bromothiophen-2-yl)but-3-en-2-one 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 | C8H7BrOS |
| Molecular Weight | 231.11 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Bromo-6-(methylsulfanyl)benzaldehyde (CAS 1289264-36-3)
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- 3-Bromo-2-(methylsulfanyl)benzaldehyde (CAS 1289113-16-1)
- 3-Bromo-5-(methylthio)benzaldehyde (CAS 1289063-08-6)
- 5-Amino-3-methylbenzofurane (CAS 851768-32-6)
- Ethyl 3,4-dihydronaphthalene-2-carboxylate (CAS 100046-58-0)
- 5-Chloro-2-(1H-pyrazol-5-yl)aniline (CAS 15463-66-8)
- 1-(1-Isobutylpyrrolidin-3-yl)-N-methylmethanamine (CAS 887405-45-0)
- 1-(3-Fluorophenyl)-2-(tetrahydro-2h-pyran-4-yl)ethan-1-amine hydrochloride (CAS 2197053-94-2)
- 2-(1-(Tert-butoxycarbonyl)-4-(2-fluorophenyl)piperidin-4-yl)acetic acid (CAS 1779126-77-0)
- VER 49009 (CAS 558640-51-0)
- 2-(4-(Trifluoromethyl)-1H-pyrazol-1-yl)ethan-1-ol (CAS 1341214-07-0)
- Lead(II) acetylacetonate (CAS 15282-88-9)
- Liraglutide Impurity 14 TFA Salt (CAS CATO-C4X-199214)
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