2-(2-methoxy-2-oxoethyl)thiophene-3-carboxylic acid CAS 105508-53-0
| CAS No. | 105508-53-0 |
| Molecular Formula | C8H8O4S |
| Molecular Weight | 200.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(2-methoxy-2-oxoethyl)thiophene-3-carboxylic acid (C8H8O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 200.21 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-(2-methoxy-2-oxoethyl)thiophene-3-carboxylic acid (CAS 105508-53-0), molecular formula C8H8O4S and molecular weight 200.21 g/mol, is a CATO reference standard with documented purity and traceability.
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 2-(2-methoxy-2-oxoethyl)thiophene-3-carboxylic acid 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 | C8H8O4S |
| Molecular Weight | 200.21 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
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- (1S,2R)-2-(N-Benzyl-2,4,6-trimethylphenylsulfonamido)-1-phenylpropyl propionate (CAS 187324-67-0)
- 6-(Butan-2-yl)-2-chloropyridine-3-carbonitrile (CAS 1250529-94-2)
- (1R,2S,5R)-5-Methyl-2-(2-phenylpropan-2-yl)cyclohexyl 2-chloroacetate (CAS 71804-27-8)
- 2-Fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isonicotinaldehyde (CAS 1356939-09-7)
- Xylazine EP Impurity C (CAS 19241-16-8)
- 2,5-Diphenylpyrimidine (CAS 29134-16-5)
- 4-[(1-methoxypropan-2-yl)oxy]benzaldehyde (CAS 863488-78-2)
- Semaglutide impurity 64 (CAS CATO-C4X-222664)
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