2-(trifluoromethyl)thiophene-3-carboxylic acid CAS 767337-58-6
| CAS No. | 767337-58-6 |
| Molecular Formula | C6H7F3O2S |
| Molecular Weight | 200.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 200.18 g/mol gives 2-(trifluoromethyl)thiophene-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(trifluoromethyl)thiophene-3-carboxylic acid (CAS 767337-58-6) is a high-purity analytical reference standard with the molecular formula C6H7F3O2S and a molecular weight of 200.18 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, 2-(trifluoromethyl)thiophene-3-carboxylic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 200.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(trifluoromethyl)thiophene-3-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H7F3O2S |
| Molecular Weight | 200.18 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1986 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related trifluoromethyl Standards
- 5-(trifluoromethyl)thiophene-2-carboxylic acid (CAS 128009-32-5)
- 4-(trifluoromethyl)thiophene-3-carboxylic acid (CAS 767337-60-0)
- 5-(Trifluoromethyl)-3,4-dihydro-2H-thiopyran 1,1-dioxide (CAS 2137534-81-5)
- 6-(Trifluoromethyl)-3,4-dihydro-2H-thiopyran 1,1-dioxide (CAS 2137895-44-2)
- 4-[(4-Trifluoromethyl)phenyl]-1-butene (CAS 113170-92-6)
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- 1-methyl-3-[1-(trifluoromethyl)cyclopropyl]benzene (CAS 1798713-46-8)
- 2-Methyl-3-[(2-trifluoromethyl)phenyl]-1-propene (CAS 951889-33-1)
Recommended Standards
- 2-(3,5-Difluorophenyl)-2-methylpropanoic acid (CAS 879904-44-6)
- 2,2-Difluoro-1-(3-Furyl)-4-Methyl-3-Penten-1-One (CAS 334873-84-6)
- 2-(3,4-Difluorophenyl)-2-methylpropanoic acid (CAS 306761-55-7)
- 2,2-Difluoropropyl benzoate (CAS 784193-14-2)
- 7-Bromo-5-methylbenzofuran-3-carboxylic acid (CAS 1484296-20-9)
- 1-Bromo-2-methoxynaphthalene (CAS 3401-47-6)
- des-6-D-Cit-Cetrorelix (CAS CATO-C4X-201450)
- 2-Cyclopentyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridin-3-ol (CAS 1707609-50-4)
- 1-Bromo-3-(chloromethyl)-2-methoxybenzene (CAS 1247514-62-0)
- 2-(4-Methylpiperidin-1-yl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 1110986-54-3)
- tert-Butyl 2-(2-methyl-6-(pyrrolidin-1-yl)pyridin-3-yl)pyrrolidine-1-carboxylate (CAS 1352516-04-1)
- 2,2'-(Propane-2,2-diyl)bis(4-phenyl-4,5-dihydrooxazole) (CAS 276254-59-2)
- D41T26MB6M 21124-13-0 Methyl-4-tolyltriazene 1-Methyl-3-p-tolyltriazene 1-Triazene, 1-methyl-3-(4-methylphenyl)- Triazene, 3-methyl-1-(p-tolyl)- EINECS 244-223-3 1-Methyl-3-(4-methylphenyl)triazene 3-Methyl-1-(4-methylphenyl)triazene Methyl-p-tolyltriazene 3-Methyl-1-(p-tolyl)-triazene NSC 106329 1-p-Tolyl-3-methyltriazene UNII-D41T26MB6M (CAS 21124-13-0)
- Insulin Degludec Impurity 3 (CAS CATO-C4X-21573)
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