Methyl 4-chloro-3-hydroxy-5-(prop-2-yn-1-yloxy)thiophene-2-carboxylate CAS 1707372-12-0
| CAS No. | 1707372-12-0 |
| Molecular Formula | C9H7ClO4S |
| Molecular Weight | 246.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 4-chloro-3-hydroxy-5-(prop-2-yn-1-yloxy)thiophene-2-carboxylate.
CATO supplies Methyl 4-chloro-3-hydroxy-5-(prop-2-yn-1-yloxy)thiophene-2-carboxylate (CAS 1707372-12-0), a certified reference material (molecular formula C9H7ClO4S, MW 246.67 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7ClO4S, Methyl 4-chloro-3-hydroxy-5-(prop-2-yn-1-yloxy)thiophene-2-carboxylate 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 246.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H7ClO4S |
| Molecular Weight | 246.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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