5-(2-Hydroxyethyl)thiophen-2-ol CAS 158364-98-8
| CAS No. | 158364-98-8 |
| Molecular Formula | C6H8O2S |
| Molecular Weight | 144.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H8O2S, 5-(2-Hydroxyethyl)thiophen-2-ol 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 144.19 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).
CATO supplies 5-(2-Hydroxyethyl)thiophen-2-ol (CAS 158364-98-8), a certified reference material (molecular formula C6H8O2S, MW 144.19 g/mol) for analytical method development and quality control.
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.
CATO manufactures 5-(2-Hydroxyethyl)thiophen-2-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H8O2S |
| Molecular Weight | 144.19 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.) | 2002 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 5,5-Dimethyl-2-thioxoimidazolidin-4-one (CAS 15998-93-3)
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- Methyl 1-(6-methylpyridin-2-yl)-1H-imidazole-4-carboxylate (CAS 220965-34-4)
- N-((2S,3R,4S,5R)-3,4,5,6-tetrahydroxy-1-oxohexan-2-yl)pent-4-ynamide (CAS 935658-94-9)
- 2-Phenylpyrazolo[1,5-c]quinazolin-5-amine (CAS 1416438-94-2)
- (2S,4S)-4-(2-Allylphenoxy)-1-(tert-butoxycarbonyl)-2-pyrrolidinecarboxylic acid (CAS 1217669-69-6)
- Moxifloxacin Impurity 176 (CAS 2102950-42-3)
- 8-Methoxycinnolin-4-ol (CAS 90417-27-9)
- N-(2,4-dimethoxyphenyl)-6-(1H-pyrazol-1-yl)nicotinamide (CAS 321533-71-5)
- 6'-Bromo-8'-chloro-1'H-spiro[cyclohexane-1,3'-imidazo[1,5-a]pyridine]-1',5'(2'H)-dione (CAS 1849592-11-5)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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