3-(5-Chlorothiophen-2-yl)-2-hydroxypropanoic acid CAS 1513193-83-3
| CAS No. | 1513193-83-3 |
| Molecular Formula | C7H7ClO3S |
| Molecular Weight | 206.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(5-Chlorothiophen-2-yl)-2-hydroxypropanoic acid (CAS 1513193-83-3) is a high-purity analytical reference standard with the molecular formula C7H7ClO3S and a molecular weight of 206.65 g/mol.
Based on its molecular formula C7H7ClO3S, 3-(5-Chlorothiophen-2-yl)-2-hydroxypropanoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 206.65 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), 3-(5-Chlorothiophen-2-yl)-2-hydroxypropanoic 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 | C7H7ClO3S |
| Molecular Weight | 206.65 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorothiophen Standards
- 2-(5-Chlorothiophen-2-yl)thiazolidine (CAS 1247091-94-6)
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- 4-(5-Chlorothiophen-2-yl)-3-methylbutan-2-ol (CAS 1251242-27-9)
- 2-(5-Chlorothiophen-2-yl)-3-methylbutan-2-ol (CAS 1379317-23-3)
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- ethyl 2-(5-chlorothiophen-2-yl)acetate (CAS 1123190-96-4)
Recommended Standards
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