(E)-3-(5-Bromothiophen-2-yl)acrylic acid CAS 50868-68-3
| CAS No. | 50868-68-3 |
| Molecular Formula | C7H5BrO2S |
| Molecular Weight | 233.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H5BrO2S, (E)-3-(5-Bromothiophen-2-yl)acrylic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 233.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(E)-3-(5-Bromothiophen-2-yl)acrylic acid (CAS 50868-68-3), molecular formula C7H5BrO2S and molecular weight 233.08 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (E)-3-(5-Bromothiophen-2-yl)acrylic acid 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 | C7H5BrO2S |
| Molecular Weight | 233.08 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related E Standards
- (2E)-3-(4-bromothiophen-2-yl)prop-2-enoic acid (CAS 103686-16-4)
- 3-(5-Bromothiophen-2-yl)-3-oxopropanal (CAS 1183176-93-3)
- 3-(4-Bromothiophen-2-yl)acrylic acid (CAS 144558-44-1)
- 3-(5-Bromothiophen-2-yl)acrylic acid (CAS 29079-97-8)
- 3-(5-Bromothiophen-3-yl)prop-2-enoic acid (CAS 58963-78-3)
- (5-bromothiophen-2-yl)(cyclopropyl)methanol (CAS 1216254-93-1)
- 4-(3-Bromothiophen-2-yl)butan-2-one (CAS 1247761-69-8)
- 4-(4-Bromothiophen-2-yl)butan-2-one (CAS 1292607-30-7)
Recommended Standards
- 1-(3-Bromopropoxy)-3-fluorobenzene (CAS 193356-97-7)
- 1-(2-bromo-1-fluoroethyl)-4-methoxybenzene (CAS 66472-42-2)
- 3-Bromo-5-ethyl-2-fluorobenzyl alcohol (CAS 1898027-36-5)
- 1-(2-bromo-1-methoxyethyl)-4-fluorobenzene (CAS 83739-63-3)
- TERT-BUTYL N-[(6-METHYLPIPERIDIN-3-YL)METHYL]CARBAMATE (CAS 1310213-19-4)
- 1-((4-Chlorophenoxy)methyl)-1h-pyrazole-3-carbohydrazide (CAS 1004194-06-2)
- N-(3-Benzyl-2-quinoxalinyl)-3-chlorobenzenecarbohydrazide (CAS 478033-89-5)
- 2-Chloro-3-(4-chlorobenzenesulfonyl)-4-methyl-6-phenylpyridine (CAS 343372-75-8)
- Isothiazolo[5,4-b]quinolin-3-amine (CAS 69513-37-7)
- 2-Amino-3-cyclopropoxy-N,N-dimethylbenzamide (CAS 1243405-46-0)
- 1-(4-Fluorophenyl)-3-phenyl-1H-pyrazol-4-ol (CAS 1202029-28-4)
- Ethyl 2-bromo-6-(trifluoromethyl)-3-pyridinecarboxylate (CAS 280567-79-5)
- 1-[4-(1H-tetrazol-1-yl)benzoyl]piperazine hydrochloride (CAS 1170474-58-4)
- Peptide 442 (CAS CATO-CPTD788442)
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