2,4,5-trifluorobenzothioamide CAS 1537764-75-2
| CAS No. | 1537764-75-2 |
| Molecular Formula | C7H4F3NS |
| Molecular Weight | 191.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2,4,5-trifluorobenzothioamide (CAS 1537764-75-2), molecular formula C7H4F3NS and molecular weight 191.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H4F3NS, 2,4,5-trifluorobenzothioamide contains a nitrile group, sulfur-containing functionality, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 191.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 2,4,5-trifluorobenzothioamide 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 | C7H4F3NS |
| Molecular Weight | 191.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related trifluorobenzothioamide Standards
Recommended Standards
- 4,4,4-trifluorobutane-1-sulfonamide (CAS 1427379-30-3)
- 3-sulfamoyl-1H-pyrazole-4-carboxylic acid (CAS 178880-04-1)
- 5-sulfamoyl-1,2-oxazole-3-carboxamide (CAS 1909327-98-5)
- 4-(Methylsulfonyl)-5-nitro-1H-imidazole (CAS 110299-87-1)
- 5-Amino-2-methylpyridin-3-ol (CAS 57183-27-4)
- tert-butyl N-{7-bromo-1H-imidazo[4,5-c]pyridin-4-yl}-N-[(tert-butoxy)carbonyl]carbamate (CAS 1392424-79-1)
- Morpholine-4-carboximidamide hydrobromide (CAS 157415-17-3)
- Evocalcet Impurity 37 (CAS CATO-C4X-248537)
- 3-[(2,3-Dimethylphenoxy)methyl]pyrrolidinehydrochloride (CAS 1220031-76-4)
- 4-[(2,5-Dichlorophenyl)(methylsulfonyl)amino]butanoic acid (CAS 1266513-78-3)
- 2-Methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 58365-04-1)
- 3-Nitro-1h-pyrazole-5-carboxamide (CAS 297149-32-7)
- 5-Methoxy-1-(thiophen-3-yl)pentane-1,3-dione (CAS 1251338-92-7)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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