| CAS No. | 940-76-1 |
| Molecular Formula | C7H4F4S |
| Molecular Weight | 196.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1-Fluoro-4-[(trifluoromethyl)sulfanyl]benzene (CAS 940-76-1) is a high-purity analytical reference standard with the molecular formula C7H4F4S and a molecular weight of 196.17 g/mol.
Structurally, 1-Fluoro-4-[(trifluoromethyl)sulfanyl]benzene (C7H4F4S) contains sulfur-containing functionality, fluorine 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 196.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1-Fluoro-4-[(trifluoromethyl)sulfanyl]benzene 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.
| Molecular Formula | C7H4F4S |
| Molecular Weight | 196.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| 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.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |