5-fluorothiophene-2-carboxylic acid CAS 4377-58-6
| CAS No. | 4377-58-6 |
| Molecular Formula | C5H7FO2S |
| Molecular Weight | 150.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H7FO2S, 5-fluorothiophene-2-carboxylic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 150.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-fluorothiophene-2-carboxylic acid (CAS 4377-58-6), molecular formula C5H7FO2S and molecular weight 150.17 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 5-fluorothiophene-2-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 | C5H7FO2S |
| Molecular Weight | 150.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related fluorothiophene Standards
- 5-fluorothiophene-3-carboxylic acid (CAS 32415-50-2)
- 2-Fluorothiophene-3-carboxylic acid (CAS 71154-31-9)
- 3-Fluorothiophene-2-carboxylic Acid (CAS 32431-84-8)
- 4-Fluorothiophene-2-carboxylic Acid (CAS 32431-72-4)
- 4-Fluorothiophene-3-carboxylic acid (CAS 78071-32-6)
- 5-Fluorothiophene-2-carboxamide (CAS 1429418-60-9)
- (E)-5-Fluorothiophene-2-carbaldehyde oxime (CAS 34746-11-7)
- 3-Fluorothiophene-2-carboxamide (CAS 83933-19-1)
Recommended Standards
- 5-Ethylbenzo[d][1,3]dioxole (CAS 60373-70-8)
- 5-Ethyl-2-hydroxybenzaldehyde (CAS 52411-35-5)
- 5-Methoxy-2-methylbenzaldehyde (CAS 56724-09-5)
- 5-Ethenyl-2-methoxyphenol (CAS 621-58-9)
- (2E,3E)-1-{[1,1'-biphenyl]-4-yl}-2-[2-(3,4-dimethylphenyl)hydrazin-1-ylidene]-3-(methoxyimino)propan-1-one (CAS 338965-28-9)
- 3-Fluoro-5-(3-(trifluoromethyl)-3H-diazirin-3-yl)pyridine (CAS 2231675-72-0)
- Dopamine Impurity 23 (CAS 1158-27-6)
- 3-(Thiophen-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1630031-24-1)
- 2-(5-Bromo-2-methoxyphenyl)-2-(dimethylamino)acetic acid (CAS 1218170-54-7)
- Ethyl 2-(2-bromo-5-methoxyphenyl)acetate (CAS 30414-82-5)
- N-Cyanopiperidine-1-carboximidamide (CAS 34678-35-8)
- tert-Butyl N-(4-chlorophenyl)-N-propylcarbamate (CAS 1881290-78-3)
- Tert-butyl 4-amino-1-ethyl-1h-pyrazole-3-carboxylate (CAS 1477984-35-2)
- D-allo-Thr7-Semaglutide (CAS CATO-C4X-2226242)
Why CATO?
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