4-Oxo-4-((4,4,5,5,5-pentafluoropentyl)oxy)butanoic acid CAS 303133-80-4
| CAS No. | 303133-80-4 |
| Molecular Formula | C9H11F5O4 |
| Molecular Weight | 278.17 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-Oxo-4-((4,4,5,5,5-pentafluoropentyl)oxy)butanoic acid.
4-Oxo-4-((4,4,5,5,5-pentafluoropentyl)oxy)butanoic acid (CAS 303133-80-4) is a high-purity analytical reference standard with the molecular formula C9H11F5O4 and a molecular weight of 278.17 g/mol.
Based on its molecular formula C9H11F5O4, 4-Oxo-4-((4,4,5,5,5-pentafluoropentyl)oxy)butanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 278.17 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.
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), 4-Oxo-4-((4,4,5,5,5-pentafluoropentyl)oxy)butanoic 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.
Physical & Chemical Properties
| Molecular Formula | C9H11F5O4 |
| Molecular Weight | 278.17 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 | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
Related Oxo Standards
- Butyl (4,4,5,5,5-pentafluoropentyl) carbonate (CAS 1980085-48-0)
- 4-((4,4,5,5,5-Pentafluoropentyl)oxy)aniline (CAS 1427024-45-0)
- 4,4,5,5,5-Pentafluoropentyl propyl carbonate (CAS 1980086-71-2)
- 4,4,5,5,5-Pentafluoropentyl (2,2,2-trifluoroethyl) carbonate (CAS 1980086-67-6)
- Methyl (4,4,5,5,5-pentafluoropentyl) carbonate (CAS 1980086-58-5)
- 2-(((4,4,5,5,5-Pentafluoropentyl)oxy)carbonyl)benzoic acid (CAS 303133-78-0)
- 4,4,5,5,5-Pentafluoropentyl 4-methylbenzenesulfonate (CAS 209325-64-4)
- 4,4,5,5,5-Pentafluoropentyl (2,2,3,3-tetrafluoropropyl) carbonate (CAS 1980039-61-9)
Recommended Standards
- 4-Bromo-N-propylbenzenesulfonamide (CAS 3476-19-5)
- 5-Bromo-N,N,2-trimethylbenzenesulfonamide (CAS 473477-02-0)
- 4-Bromo-N-isopropylbenzenesulfonamide (CAS 1984-27-6)
- 5-Bromo-n-ethyl-2-methylbenzenesulfonamide (CAS 257953-12-1)
- Lck inhibitor 2 (CAS 944795-06-6)
- 8-Methyl-5-oxo-5H-thiazolo[3,2-a]pyridine-2-carbaldehyde (CAS 2387599-24-6)
- Methyl 2,2,3,3,4,4,5,5,6,6,7,7,7-tridecafluoroheptanoate (CAS 14312-89-1)
- Butyl (6-methoxybenzo[d]thiazol-2-yl)carbamate (CAS 433258-98-1)
- 2-(3-Isopropyl-4-methoxyphenyl)-4-methylpyrrolidine (CAS 603068-73-1)
- Methyl 1-hydroxy-2,3-dihydro-1H-indene-5-carboxylate (CAS 358751-18-5)
- 2-{[4-(propan-2-yl)phenyl]sulfanyl}ethanimidamide hydrochloride (CAS 1394675-94-5)
- 2,5-Dibromo-4-(chloromethyl)thiazole (CAS 934236-33-6)
- 2-((5-Phenethylfuran-2-yl)methoxy)tetrahydro-2H-pyran (CAS 389622-39-3)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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