(4-(Trifluoromethyl)thiophen-2-yl)boronic acid CAS 2070922-43-7
| CAS No. | 2070922-43-7 |
| Molecular Formula | C5H4BF3O2S |
| Molecular Weight | 195.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 195.96 g/mol gives (4-(Trifluoromethyl)thiophen-2-yl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(4-(Trifluoromethyl)thiophen-2-yl)boronic acid (CAS 2070922-43-7), molecular formula C5H4BF3O2S and molecular weight 195.96 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (4-(Trifluoromethyl)thiophen-2-yl)boronic acid (C5H4BF3O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.5, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 195.96 g/mol, it falls into the medium-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H4BF3O2S |
| Molecular Weight | 195.96 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) | 2.5 |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Trifluoromethyl Standards
- 5-(Trifluoromethyl)thiophene-2-boronic Acid (CAS 958451-91-7)
- 5-(Trifluoromethyl)thiophene-3-boronic acid (CAS 2242644-66-0)
- 2-(Trifluoromethyl)-3,6-dihydro-2H-pyran-2-carboxylic acid (CAS 134224-67-2)
- 1-(Trifluoromethyl)cyclopropane-1-sulfinate (sodium) (CAS 1622292-60-7)
- 1-(Trifluoromethyl)-2-oxabicyclo[2.1.1]hexane-4-carboxylic acid (CAS 2624134-57-0)
- 4-(Trifluoromethyl)-2-oxabicyclo[2.1.1]hexane-1-carboxylic acid (CAS 2287318-89-0)
- Methyl 2-(trifluoromethyl)-4,5-dihydro-1h-imidazole-4-carboxylate (CAS 1423025-20-0)
- 4-(Trifluoromethyl)isophthalonitrile (CAS 1483-43-8)
Recommended Standards
- (2-Fluoro-3,5-diformylphenyl)boronic acid (CAS 870778-85-1)
- Silver, [(2S)-2-(hydroxy-κO)propanoato-κO]- (CAS 80298-33-5)
- 2,7-Dihydroxybenzo[d][1,3,2]dioxaborole-5-carboxylic acid (CAS 78456-98-1)
- 3-Borono-5-methoxybenzoic acid (CAS 1050424-08-2)
- 4-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile (CAS 1260385-78-1)
- 1-Bromo-4-(tert-butyl)-2-chlorobenzene (CAS 1251032-65-1)
- Ethyl 1H-pyrazole-1-carboxylate (CAS 10199-59-4)
- (3-(4-Bromophenyl)-2,2-difluorocyclopropyl)methanol (CAS 2098118-22-8)
- 2,2-Dimethylpropylmagnesium chloride solution (CAS 13132-23-5)
- 4-Chloro-3-(difluoromethyl)-2-methoxypyridine (CAS 1806760-89-3)
- 3-Bromo-2-chloro-6-isopropyl-5,6,7,8-tetrahydro-1,6-naphthyridine (CAS 1774900-72-9)
- 4-Ethyl-3H-1,2,4-triazole-3,5(4H)-dione (CAS 40609-72-1)
- 3,5-dichloro-2-iodobenzoic acid (CAS 15396-37-9)
- Neuropeptide Y (22-36) (CAS 119019-65-7)
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