3-fluoro-4-hydroxybenzene-1-sulfonamide CAS 1243390-19-3
| CAS No. | 1243390-19-3 |
| Molecular Formula | C6H6FNO3S |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-fluoro-4-hydroxybenzene-1-sulfonamide (CAS 1243390-19-3), molecular formula C6H6FNO3S and molecular weight 191.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H6FNO3S, 3-fluoro-4-hydroxybenzene-1-sulfonamide 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 191.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-fluoro-4-hydroxybenzene-1-sulfonamide 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.
Physical & Chemical Properties
| Molecular Formula | C6H6FNO3S |
| Molecular Weight | 191.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; 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.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related fluoro Standards
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Recommended Standards
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- 1,3-Difluoro-2-iodo-5-(trifluoromethoxy)benzene (CAS 2384319-66-6)
- Lurbinectedin Impurity 7 (CAS CATO-C4X-31147)
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Why CATO?
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