3-Methoxy-5-(trifluoromethyl)thiophene-2-carboxylic acid CAS 425426-80-8
| CAS No. | 425426-80-8 |
| Molecular Formula | C7H5F3O3S |
| Molecular Weight | 226.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H5F3O3S, 3-Methoxy-5-(trifluoromethyl)thiophene-2-carboxylic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 226.17 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.
3-Methoxy-5-(trifluoromethyl)thiophene-2-carboxylic acid (CAS 425426-80-8), molecular formula C7H5F3O3S and molecular weight 226.17 g/mol, is a CATO reference standard with documented purity and traceability.
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 3-Methoxy-5-(trifluoromethyl)thiophene-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 | C7H5F3O3S |
| Molecular Weight | 226.17 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.) | 2025 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 1-Methoxy-4-(trifluoromethyl)cyclohexane-1-carboxylic acid (CAS 1597315-22-4)
- 4-Methoxy-4-(trifluoromethyl)cyclohexane-1-carboxylic acid (CAS 1781102-64-4)
- (4-Methoxy-2-nitrophenyl)glycine (CAS 55687-28-0)
- 2-(2-Methoxy-4-nitrophenoxy)acetamide (CAS 893765-08-7)
- 2-Methoxy-6-(trifluoromethyl)naphthalene (CAS 39499-17-7)
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- 5-Methoxy-2-methylbenzo[d][1,3]selenazole (CAS 2946-17-0)
Recommended Standards
- 2-Trifluoromethanesulfonylphenol (CAS 32858-96-1)
- 4-((Trifluoromethyl)sulfonyl)phenol (CAS 432-84-8)
- 2,6-Difluoro-4-methoxybenzenesulfonyl fluoride (CAS 2137682-45-0)
- N-acetyl-D-[UL-¹³C6]glucosamine (CAS 478518-83-1)
- tert-Butyl 3-(2-aminoethyl)-3-methylpyrrolidine-1-carboxylate (CAS 1211523-66-8)
- 5-[2-(2H-1,3-benzodioxol-5-yl)ethyl]-5-methylimidazolidine-2,4-dione (CAS 1052562-60-3)
- 2-[4-(4-Methoxyphenyl)piperazin-1-yl]quinoxaline (CAS 241146-75-8)
- 2-Chloro-2-methylpropan-1-amine (CAS 30533-56-3)
- 2-[4-(cyanomethoxy)phenyl]acetic acid (CAS 1019446-81-1)
- 4-((4-Chlorophenyl)thio)-3-methylisoxazolo[5,4-d]pyrimidine (CAS 478045-19-1)
- 859629-83-7 1-(2-Aminoethyl)cyclopentan-1-ol DTXSID10624155 (CAS 859629-83-7)
- Methyl 2-aminohex-5-enoate (CAS 114486-35-0)
- 4-methylsulfonyl-1,5,6,7-tetrahydropyrazolo[4,3-b]pyridine (CAS 1850205-38-7)
- 3AEEA-Semaglutide(Endo-AEEA-Semaglutide) (CAS CATO-C4X-2226265)
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