2-Chloro-4-((trifluoromethyl)thio)phenol CAS 70783-74-3
| CAS No. | 70783-74-3 |
| Molecular Formula | C7H4ClF3OS |
| Molecular Weight | 228.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Chloro-4-((trifluoromethyl)thio)phenol (C7H4ClF3OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 228.62 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.
2-Chloro-4-((trifluoromethyl)thio)phenol (CAS 70783-74-3) is a high-purity analytical reference standard with the molecular formula C7H4ClF3OS and a molecular weight of 228.62 g/mol.
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 | C7H4ClF3OS |
| Molecular Weight | 228.62 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 | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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