4-(2-Fluorophenoxy)butane-1-sulfonyl chloride CAS 1343631-96-8
| CAS No. | 1343631-96-8 |
| Molecular Formula | C10H12ClFO3S |
| Molecular Weight | 266.72 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 4-(2-Fluorophenoxy)butane-1-sulfonyl chloride.
4-(2-Fluorophenoxy)butane-1-sulfonyl chloride (CAS 1343631-96-8) is a high-purity analytical reference standard with the molecular formula C10H12ClFO3S and a molecular weight of 266.72 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system, 4-(2-Fluorophenoxy)butane-1-sulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 266.72 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 4-(2-Fluorophenoxy)butane-1-sulfonyl chloride 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 | C10H12ClFO3S |
| Molecular Weight | 266.72 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 |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1991 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Fluorophenoxy Standards
- 3-(4-Fluorophenoxy)-2-methylpropane-1-sulfonyl chloride (CAS 1342478-14-1)
- 3-(3-Fluorophenoxy)-2-methylpropane-1-sulfonyl chloride (CAS 1342485-74-8)
- 3-(2-Fluorophenoxy)-2-methylpropane-1-sulfonyl chloride (CAS 1343724-34-4)
- 4-(3-Fluorophenoxy)butane-1-sulfonyl chloride (CAS 1343917-35-0)
- 4-(3-Fluorophenoxy)benzenesulfonamide (CAS 1152707-89-5)
- 3-(4-Fluorophenoxy)benzenesulfonamide (CAS 1502383-00-7)
- 2-[(4-fluorophenoxy)methyl]-4-methyl-1,3-thiazole-5-carboxylic acid (CAS 929972-42-9)
- 4-Ethyl-5-(1-(4-fluorophenoxy)ethyl)-4H-1,2,4-triazole-3-thiol (CAS 725217-84-5)
Recommended Standards
- 3-((2-Fluorobenzyl)oxy)propane-1-sulfonyl chloride (CAS 1343817-34-4)
- 2-(3-chlorophenyl)-1-methyl-6-oxopiperidine-3-carboxamide (CAS 1333779-45-5)
- 3-(6-Chloro-1-isopropyl-1H-benzo[d]imidazol-2-yl)propanoic acid (CAS 1312138-71-8)
- Methyl 1-(4-Chlorophenyl)-4-oxocyclohexanecarboxylate (CAS 1363165-99-4)
- 1-Isopropyl-2-methyl-1H-indole (CAS 70688-05-0)
- Ethyl 2-methyl-7-oxo-5,6,7,8-tetrahydro-1,6-naphthyridine-8-carboxylate (CAS 1706448-48-7)
- (2S,4R)-1-(4-tert-Butylbenzenesulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid (CAS 1955473-71-8)
- N-Ethyl-1-(piperidin-3-yl)-1H-1,2,3-triazole-4-carboxamide (CAS 1710674-53-5)
- N-{2-[Hydroxy(phenyl)methyl]-3-methoxyphenyl}-2,2-dimethylpropanamide (CAS 68965-81-1)
- 1-Bromo-4-[(3-methylbutyl)thio]benzene (CAS 76542-20-6)
- N-{2-[(4-bromophenyl)sulfanyl]ethyl}-3,4,5-trimethoxybenzamide (CAS 337920-99-7)
- Ketoconazole Impurity 21 (CAS 129643-72-7)
- Rivaroxaban Impurity 66 (CAS CATO-C4X-109066)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com