(2E)-3-(4,5-dimethylthiophen-2-yl)prop-2-enoic acid CAS 5928-50-7
| CAS No. | 5928-50-7 |
| Molecular Formula | C9H14O2S |
| Molecular Weight | 186.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 186.27 g/mol gives (2E)-3-(4,5-dimethylthiophen-2-yl)prop-2-enoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2E)-3-(4,5-dimethylthiophen-2-yl)prop-2-enoic acid (CAS 5928-50-7) is a high-purity analytical reference standard with the molecular formula C9H14O2S and a molecular weight of 186.27 g/mol.
Based on its molecular formula C9H14O2S, (2E)-3-(4,5-dimethylthiophen-2-yl)prop-2-enoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 186.27 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).
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), (2E)-3-(4,5-dimethylthiophen-2-yl)prop-2-enoic 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 | C9H14O2S |
| Molecular Weight | 186.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
Related E Standards
- (2E)-3-(2,5-dimethylthiophen-3-yl)prop-2-enoic acid (CAS 244759-47-5)
- 2-(2,5-Dimethylthiophen-3-yl)-2-hydroxyacetic acid (CAS 1250803-54-3)
- 1-(2,5-Dimethylthiophen-3-yl)-2-(methylamino)ethan-1-ol (CAS 1340320-20-8)
- 3-(2,5-dimethylthiophen-3-yl)propanoic acid (CAS 26421-38-5)
- 1-(2,5-Dimethylthiophen-3-yl)butan-1-amine (CAS 1092286-44-6)
- 1-(2,5-dimethylthiophen-3-yl)-2-methylpropan-1-amine (CAS 1152536-30-5)
- 4-(2,5-Dimethylthiophen-3-yl)butan-1-amine (CAS 1488034-76-9)
- 1-(2,5-dimethylthiophen-3-yl)-2-methylpropan-1-one (CAS 135333-91-4)
Recommended Standards
- (2E)-3-(5-ethylthiophen-2-yl)prop-2-enoic acid (CAS 70329-37-2)
- 6-ethyl-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 18593-51-6)
- [1,1'-Biphenyl]-2-thiol (CAS 2688-96-2)
- 1-(Trimethylsilyl)-3,4-difluorobenzene (CAS 182193-04-0)
- 3-Chloroimidazo[1,5-a]pyrimidine (CAS 1198420-94-8)
- 4,5,5,5-Tetrafluoro-4-trifluoromethyl-2-ioodopent-2-ene-1-ol (CAS 261760-25-2)
- 2-Bromo-4-(pyrrolidin-1-yl)nitrobenzene 1774896-60-4 (CAS 1774896-60-4)
- 6-Bromo-4-phenoxyquinoline (CAS 879324-21-7)
- N-(1-Benzyl-4-(methoxymethyl)-4-piperidyl)-N-phenylpropionamide oxalate (CAS 61086-13-3)
- tert-Butyl 4-(6-bromo-[1,2,4]triazolo[1,5-a]pyridin-2-yl)piperidine-1-carboxylate (CAS 1422344-42-0)
- 2-(2-Bromothiophen-3-yl)ethan-1-amine (CAS 893421-71-1)
- (1S,2S)-2-((Benzyloxy)carbonyl)cyclopentanecarboxylic acid (CAS 648433-16-3)
- Teneligliptin Impurity 15 (CAS CATO-C4X-176015)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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