3-[Bis(4-fluorophenyl)phosphinyl]benzenesulfonic acid sodium salt CAS 302554-19-4
| CAS No. | 302554-19-4 |
| Molecular Formula | C18H12F2O4PS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H12F2O4PSNa, 3-[Bis(4-fluorophenyl)phosphinyl]benzenesulfonic acid sodium salt contains a flavonoid core, a sulfone group, a phosphate ester group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 416.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-[Bis(4-fluorophenyl)phosphinyl]benzenesulfonic acid sodium salt (CAS 302554-19-4) is a high-purity analytical reference standard with the molecular formula C18H12F2O4PSNa and a molecular weight of 416.31 g/mol.
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.
CATO manufactures 3-[Bis(4-fluorophenyl)phosphinyl]benzenesulfonic acid sodium salt 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 | C18H12F2O4PS Na |
| Molecular Weight | 416.31 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Bis Standards
- 3-[(3-fluorophenyl)methyl]pyrrolidine (CAS 1000198-80-0)
- 3-(3-Fluorophenyl)-3-oxopropanoic acid (CAS 1000530-96-0)
- Ethyl 1-(4-fluorophenyl)-5-oxo-2,5-dihydro-1H-1,2,4-triazole-3-carboxylate (CAS 1000573-68-1)
- 1000574-26-4 2-(4-Fluorophenyl)-6-methylthio-4H-thiopyran-4-one MFCD09877819 (CAS 1000574-26-4)
- Ethyl 1-(2-fluorophenyl)-5-oxo-2,5-dihydro-1H-1,2,4-triazole-3-carboxylate (CAS 1000575-18-7)
- 100074-04-2 5-(4-Fluorophenyl)-1-pentene MFCD11553774 (CAS 100074-04-2)
- 3-(2-Fluorophenyl)-4-hydroxyfuran-2(5H)-one (CAS 100074-44-0)
- N-[2-(4-fluorophenyl)ethyl]-1H-imidazole-1-carboxamide (CAS 1000931-75-8)
Recommended Standards
- 1,5-Dichloro-9-methylanthracene (CAS 27532-80-5)
- 1-(3-Chlorobenzyl)-5-methyl-1,2-dihydro-3h-pyrazol-3-imine (CAS 1004643-48-4)
- Fmoc-(Hmb)Gly-OH (CAS 148515-78-0)
- 2-(5-Chloro-2-thienyl)-3-methylpyridine (CAS 1187170-17-7)
- 4-Amino-2-methylbenzylalcohol, 97% (CAS 63405-88-9)
- azepane-1-sulfonamide (CAS 4108-89-8)
- 5-(2,6-Dimethylpyridin-3-yl)-3-methyl-1H-pyrrole-2-carboxylic acid (CAS 2111139-46-7)
- 5-(Dimethylamino)-1-phenyl-1H-pyrazol-3(2H)-one (CAS 62236-00-4)
- 2-((2-Phenoxyethyl)thio)benzoic acid (CAS 931374-72-0)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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