(3-Fluorophenyl)methanesulfonamide CAS 919353-99-4
| CAS No. | 919353-99-4 |
| Molecular Formula | C7H8FNO2S |
| Molecular Weight | 189.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H8FNO2S, (3-Fluorophenyl)methanesulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.21 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.
(3-Fluorophenyl)methanesulfonamide (CAS 919353-99-4), molecular formula C7H8FNO2S and molecular weight 189.21 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), (3-Fluorophenyl)methanesulfonamide 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 | C7H8FNO2S |
| Molecular Weight | 189.21 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
- (2-fluorophenyl)methanesulfonamide (CAS 919354-36-2)
- (4-Fluorophenyl)methanesulfonamide (CAS 500108-01-0)
- n-(2-Fluorophenyl)methanesulfonamide (CAS 98611-90-6)
- n-(3-Fluorophenyl)methanesulfonamide (CAS 35980-20-2)
- N-(4-Fluorophenyl)methanesulfonamide (CAS 35980-24-6)
- 1-(2-Fluorophenyl)-2,5-dimethyl-1H-pyrrole (CAS 146135-20-8)
- 1-(3-Fluorophenyl)-2,5-dimethyl-1H-pyrrole (CAS 146135-21-9)
- 1-(2-Fluorophenyl)cyclopentanecarbonitrile (CAS 214262-89-2)
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- N-(2-chloro-5-nitrophenyl)cyclohexanecarboxamide (CAS 544701-14-6)
- Nopol (CAS 128-50-7)
- 2,4,6-Trichloro-5-(methylthio)pyrimidine (CAS 24795-76-4)
- 2-Bromo-3-chloromethyl-4-(trifluoromethyl)pyridine (CAS 1227578-14-4)
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