3-Fluoro-2-hydroxybenzenesulfonamide CAS 1243406-79-2
| CAS No. | 1243406-79-2 |
| Molecular Formula | C6H6FNO3S |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Fluoro-2-hydroxybenzenesulfonamide.
3-Fluoro-2-hydroxybenzenesulfonamide (CAS 1243406-79-2), 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-2-hydroxybenzenesulfonamide 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. 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.
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 | 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
- 3-Fluoro-4-(3-fluorophenyl)pyridine (CAS 1214355-36-8)
- 3-Fluoro-4-(4-fluorophenyl)pyridine (CAS 1214376-31-4)
- 2-Fluoro-4-(4-fluorophenyl)pyridine (CAS 1214383-71-7)
- 2-Fluoro-3-hydroxybenzenesulfonamide (CAS 1243365-77-6)
- 3-fluoro-4-hydroxybenzene-1-sulfonamide (CAS 1243390-19-3)
- 4-Fluoro-2-hydroxybenzenesulfonamide (CAS 1243415-09-9)
- 2-FLUORO-5-HYDROXYBENZENESULFONAMIDE 1243461-47-3 MB30416 (CAS 1243461-47-3)
- 3-Fluoro-5-hydroxybenzenesulfonamide (CAS 1243476-65-4)
Recommended Standards
- 4-Cyclopropoxypyridine-2,5-dicarbaldehyde (CAS 1243383-72-3)
- 5-Cyclopropoxypyridine-3,4-dicarbaldehyde (CAS 1243456-67-8)
- 5-Cyclopropoxypyridine-2,3-dicarbaldehyde (CAS 1243354-91-7)
- 5-Cyclopropoxypyridine-2,4-dicarbaldehyde (CAS 1243344-59-3)
- 2-(3-Chlorobenzenesulfonyl)-1,1-bis(4-chlorophenyl)ethan-1-ol (CAS 252026-80-5)
- 7-methylthieno[3,2-d]pyrimidine (CAS 871013-26-2)
- 1-Allyl-3-(4-chlorophenyl)urea (CAS 37919-93-0)
- 1-Isobutyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 146436-31-9)
- 2-[(2-hydroxyethyl)amino]propanenitrile (CAS 1018539-22-4)
- 2-(4-(Bromomethyl)-3-chlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1402238-25-8)
- 2-[5-(4-Methylanilino)-2,4-dioxo-1,3-thiazolidin-3-yl]acetic acid (CAS 1008380-11-7)
- 1-(3-Chloropropyl)-4-ethylpiperazine (CAS 74571-65-6)
- 2-Amino-4,6-dimethoxy-1,3,5-triazine (CAS 16370-63-1)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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