455-26-5 4-(Fluorosulfonyl)benzoic acid 4-(Fluorosulphonyl)benzoic acid EINECS 207-243-3 CAS 455-26-5
| CAS No. | 455-26-5 |
| Molecular Formula | C7H11FO4S |
| Molecular Weight | 210.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
455-26-5 4-(Fluorosulfonyl)benzoic acid 4-(Fluorosulphonyl)benzoic acid EINECS 207-243-3 (CAS 455-26-5) is a high-purity analytical reference standard with the molecular formula C7H11FO4S and a molecular weight of 210.22 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, 455-26-5 4-(Fluorosulfonyl)benzoic acid 4-(Fluorosulphonyl)benzoic acid EINECS 207-243-3 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 210.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 455-26-5 4-(Fluorosulfonyl)benzoic acid 4-(Fluorosulphonyl)benzoic acid EINECS 207-243-3 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 | C7H11FO4S |
| Molecular Weight | 210.22 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Fluorosulfonyl Standards
- methyl 2-{1-[(fluorosulfonyl)methyl]cyclopropyl}acetate (CAS 1375472-96-0)
- 4-(Fluorosulfonyl)thiophene-2-carboxylic acid (CAS 1384428-37-8)
- 1-(Fluorosulfonyl)piperidine-4-carboxylic acid (CAS 1839621-69-0)
- methyl 5-(fluorosulfonyl)-1,2-oxazole-3-carboxylate (CAS 2031268-76-3)
- Methyl 3-(fluorosulfonyl)benzoate (CAS 124397-36-0)
- Methyl 4-(fluorosulfonyl)benzoate (CAS 124397-38-2)
- methyl 2-(fluorosulfonyl)benzoate (CAS 137654-46-7)
- 4-(fluorosulfonyl)-2-methylbenzoic acid (CAS 1934400-55-1)
Recommended Standards
- 325-12-2 Naphthalene-2-sulfonyl fluoride DTXSID80496942 (CAS 325-12-2)
- 2-(2-(Hydroxymethyl)-4,5-dimethoxyphenyl)acetaldehyde (CAS 100059-18-5)
- Naphthalene-1-sulfonyl fluoride (CAS 317-55-5)
- Ethyl 2-Ethyl-3-(2-furanyl)-3-oxopropanoate (CAS 100059-37-8)
- 4-Bromo-3-(1,3-dioxolan-2-yl)benzophenone (CAS 898779-18-5)
- Ethyl 4-(6-Benzodioxane)thiazole-2-carboxylate (CAS 1159979-44-8)
- 3-Methyl-5,7-dinitro-1H-indazole (CAS 647853-23-4)
- Voglibose Impurity 4 (CAS 1303996-67-9(free base))
- 4-(Difluoromethyl)-3-methoxy-6-methylpyridine-2-sulfonamide (CAS 1805440-33-8)
- 2-(Morpholin-4-yl)-1,3-thiazole-4-carbohydrazide (CAS 743444-82-8)
- Ethanaminium, N,N,N-trimethyl-2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]-, sulfate, polymer with 2-propenamide (CAS 72361-52-5)
- 1-(2-Bromophenyl)-2,2-difluoroethanone (CAS 1956376-82-1)
- 1,3-dihydroxy-9H-xanthen-9-one (CAS 3875-68-1)
- MLCK inhibitor peptide 18 (CAS 224579-74-2)
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