5-(5-Isoxazolyl)-2-furansulfonyl chloride 5-(isoxazol-5-yl)furan-2-sulfonyl chloride 551930-54-2 CAS 551930-54-2
| CAS No. | 551930-54-2 |
| Molecular Formula | C7H4ClNO4S |
| Molecular Weight | 233.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-(5-Isoxazolyl)-2-furansulfonyl chloride 5-(isoxazol-5-yl)furan-2-sulfonyl chloride 551930-54-2 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.
5-(5-Isoxazolyl)-2-furansulfonyl chloride 5-(isoxazol-5-yl)furan-2-sulfonyl chloride 551930-54-2 (CAS 551930-54-2) is a high-purity analytical reference standard with the molecular formula C7H4ClNO4S and a molecular weight of 233.63 g/mol.
Structurally, 5-(5-Isoxazolyl)-2-furansulfonyl chloride 5-(isoxazol-5-yl)furan-2-sulfonyl chloride 551930-54-2 (C7H4ClNO4S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 233.63 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNO4S |
| Molecular Weight | 233.63 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Isoxazolyl Standards
- 4-(3-Phenyl-5-isoxazolyl)piperidine (CAS 737766-69-7)
- 4-(5-Phenyl-3-isoxazolyl)piperidine (CAS 737766-70-0)
- Ethyl 2-(5-isoxazolyl)-3-phenylpropanoate (CAS 477869-99-1)
- 2-[(5-Methyl-3-isoxazolyl)methoxy]-3-phenyl-1-propanamine (CAS 883537-05-1)
- 5-(5-Isoxazolyl)-2-methyl-3-furansulfonyl chloride 5-(isoxazol-5-yl)-2-methylfuran-3-sulfonyl chloride 924865-06-5 (CAS 924865-06-5)
- 3-(3-Methyl-5-isoxazolyl)propyl methanesulfonate (CAS 1105193-27-8)
- 2-(5-Isoxazolyl)-4-methylphenol (CAS 164171-56-6)
- 2-(3-Methyl-5-isoxazolyl)piperidine (CAS 1211509-04-4)
Recommended Standards
- 7-Chloro-2,1,3-benzoxadiazole-4-sulfonamide (CAS 346593-12-2)
- 2-Chloro-2,2-difluoro-N-[(1R)-1-phenylethyl]acetamide (CAS 1212555-20-8)
- 2-Oxo-2,3-dihydrobenzoxazole-6-sulfonyl Chloride (CAS 27685-90-1)
- 2-chloro-N-[2-(2,6-difluorophenyl)ethyl]acetamide (CAS 1258651-76-1)
- 5'-O-DMT-ibu-dC (CAS 100898-62-2)
- 3-[(4-Nitrobenzene)sulfonamido]propanoic acid (CAS 179174-23-3)
- 5-(isocyanatomethyl)-3-methyl-1,2-oxazole (CAS 134517-52-5)
- 5-Hydroxy-4-methyl-2,3-dihydro-1H-inden-1-one (CAS 103203-78-7)
- 1-(Pyridin-2-yl)but-3-yn-1-ol (CAS 517907-46-9)
- N-(3-Iodocyclobutyl)acetamide (CAS 2412966-53-9)
- 5-Iodothiazole-2-carbonitrile (CAS 1807233-64-2)
- 4-Cyclopropoxy-6-(trifluoromethyl)nicotinamide (CAS 1243469-44-4)
- 5-Fluoro-4-methoxy-1H-indole-2-carboxylic acid (CAS 1334123-76-0)
- Neuroendocrine Regulatory Peptide-4 (human, mouse, rat) (H-7266.1000) (CAS 922704-18-5)
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