3-(Trifluoromethyl)benzenesulfonic acid CAS 1643-69-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1643-69-2 |
| Molecular Formula | C7H5F3O3S |
| Molecular Weight | 226.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Trifluoromethyl)benzenesulfonic acid (CAS 1643-69-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5F3O3S. Molecular weight: 226.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Trifluoromethyl Standards
- 4-(Trifluoromethyl)benzenesulfonic acid (CAS 109787-11-3)
- Trifluoromethyl benzenesulfonate (CAS 1197209-25-8)
- 2-(Trifluoromethyl)benzenesulfonic acid (CAS 229326-04-9)
- 4-((Trifluoromethyl)sulfonyl)phenol (CAS 432-84-8)
- 2'-(Trifluoromethyl)-2,4'-bipyrimidine (CAS 1269292-51-4)
- 3-(3-(Trifluoromethyl)-3H-diazirin-3-yl)-1H-pyrrolo[2,3-b]pyridine (CAS 2231673-06-4)
- 4-(3-(Trifluoromethyl)-3H-diazirin-3-yl)-1H-indazole (CAS 2231676-97-2)
- 5-(3-(Trifluoromethyl)-3H-diazirin-3-yl)-1H-indazole (CAS 2231674-74-9)
Recommended Standards
- Methyl 3-Hydroxy-5-trifluoromethylthiophene-2-carboxylate (CAS 157162-16-8)
- 4-(2,2,2-Trifluoroethoxy)thiophene-2-carboxylic acid (CAS 1505036-86-1)
- 2,3,5,6-Tetrafluorobiphenyl (CAS 834-89-9)
- (2-Methyl-3-phenylisoxazolidin-5-yl)diphenylphosphine oxide (CAS 138865-97-1)
- N-(4,6-dimethylpyrimidin-2-yl)-3a,4,5,6,7,7a-hexahydro-1H-benzo[d]imidazol-2-amine (CAS 575461-46-0)
- Etoricoxib Impurity 21 (CAS CATO-C4X-108021)
- 2-Amino-6-methoxybenzaldehyde (CAS 151585-95-4)
- tert-Butyl 3-([1,1'-biphenyl]-3-yl)piperazine-1-carboxylate (CAS 886770-50-9)
- N-(3-Chlorophenyl)-2-({3-ethyl-4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide (CAS 1040683-06-4)
- Acetyl tetrapeptide-3 (CAS 827306-88-7)
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