5-[(Ethylamino)sulfonyl]-2-fluorobenzoic acid CAS 632300-30-2
| CAS No. | 632300-30-2 |
| Molecular Formula | C9H10FNO4S |
| Molecular Weight | 247.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-[(Ethylamino)sulfonyl]-2-fluorobenzoic acid 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.
5-[(Ethylamino)sulfonyl]-2-fluorobenzoic acid (CAS 632300-30-2) is a high-purity analytical reference standard with the molecular formula C9H10FNO4S and a molecular weight of 247.24 g/mol.
The molecular framework of 5-[(Ethylamino)sulfonyl]-2-fluorobenzoic acid (C9H10FNO4S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C9H10FNO4S |
| Molecular Weight | 247.24 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 |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-(N,N-dimethylsulfamoyl)-2-fluorobenzoic acid (CAS 91103-94-5)
- Methyl ((4-fluorophenyl)sulfonyl)glycinate (CAS 346696-78-4)
- 4-Fluoro-N-(5-fluoro-2-methylphenyl)benzamide (CAS 710310-25-1)
- N-(2,4-Difluorophenyl)-3-methylbenzamide (CAS 346720-21-6)
- 2-Hydroxy-4-methoxy-5-nitrobenzoic acid (CAS 723284-11-5)
- Methyl 3-(2,5-dimethylphenyl)benzoate (CAS 1333376-33-2)
- 3-Butoxypropan-1-ol (CAS 10215-33-5)
- 2-(2,3-Dimethoxyphenyl)-2-(1H-indol-3-yl)ethan-1-amine hydrochloride (CAS 1049752-42-2)
- 1-((((2,5-Dioxopyrrolidin-1-yl)oxy)carbonyl)oxy)ethyl benzoate (CAS 918448-41-6)
- 1-(prop-2-yn-1-yl)cyclohexane-1-carboxylic acid (CAS 72335-52-5)
- N-formyl-1,2,3,4-tetraÂhydroisoquinoline (CAS 1699-52-1)
- Ethyl 7-bromo-4-chloro-8-methylquinoline-3-carboxylate (CAS 1242260-50-9)
- 7-(4-Chlorobenzyl)-8-(ethylthio)-3-methyl-3,7-dihydro-1H-purine-2,6-dione (CAS 370842-07-2)
- Peptide Impurity (CAS CATO-CPTD788810)
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