Methyl 5-chloro-3-(2-methoxyethoxy)thiophene-2-carboxylate CAS 1707609-68-4
| CAS No. | 1707609-68-4 |
| Molecular Formula | C9H11ClO4S |
| Molecular Weight | 250.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 5-chloro-3-(2-methoxyethoxy)thiophene-2-carboxylate is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Methyl 5-chloro-3-(2-methoxyethoxy)thiophene-2-carboxylate (CAS 1707609-68-4) is a high-purity analytical reference standard with the molecular formula C9H11ClO4S and a molecular weight of 250.70 g/mol.
The molecular framework of Methyl 5-chloro-3-(2-methoxyethoxy)thiophene-2-carboxylate (C9H11ClO4S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures Methyl 5-chloro-3-(2-methoxyethoxy)thiophene-2-carboxylate 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 | C9H11ClO4S |
| Molecular Weight | 250.70 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 |
| 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.) | 1994 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Chloro-3-(2-ethoxyethoxy)thiophene-2-carboxylic acid (CAS 1707372-08-4)
- 5-(Chloromethyl)-3-(1-(methylsulfonyl)cyclobutyl)-1,2,4-oxadiazole (CAS 1710834-19-7)
- 2-(Benzo[d]thiazol-2-yl)-4-chloro-3-oxobutanenitrile (CAS 160148-12-9)
- 1-(Benzyloxy)-2-chloro-5-fluoro-4-methylbenzene (CAS 1881289-16-2)
- Methyl Apholate (CAS 3527-55-7)
- Flupranone (CAS 21686-10-2)
- (S)-2-Amino-N-cyclopropyl-N-(2-iodobenzyl)-3-methylbutanamide (CAS 1353995-26-2)
- 2-(3-(Aminomethyl)tetrahydrofuran-3-yl)propan-2-ol (CAS 1506591-24-7)
- 2-Bromo-5-(4,4-difluoropiperidin-1-yl)pyrazine (CAS 1451186-74-5)
- N-Methyl-N-(tetrahydro-pyran-4-yl)-benzene-1,4-diamine dihydrochloride, 97% (CAS 263765-61-3)
- Methyl (R)-2-isothiocyanato-2-phenylpropanoate (CAS 151023-47-1)
- 1-Methylindole-7-boronic acid (CAS 1443380-07-1)
- 2-(3-Bromophenyl)-6-fluoroquinoline-4-carboxylic acid (CAS 883525-29-9)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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