4-(4-Phenoxyphenyl)butanoic acid CAS 6958-94-7
| CAS No. | 6958-94-7 |
| Molecular Formula | C16H16O3 |
| Molecular Weight | 256.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(4-Phenoxyphenyl)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.
4-(4-Phenoxyphenyl)butanoic acid (CAS 6958-94-7), molecular formula C16H16O3 and molecular weight 256.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(4-Phenoxyphenyl)butanoic acid (C16H16O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 256.30 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C16H16O3 |
| Molecular Weight | 256.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Phenoxyphenyl Standards
- Methyl 3-(3-phenoxyphenyl)propanoate (CAS 115488-27-2)
- Ethyl 2-(4-Phenoxyphenyl)acetate (CAS 14062-26-1)
- 2-{[(3-phenoxyphenyl)methyl]amino}acetamide (CAS 926243-19-8)
- 2-Oxo-3-(3-phenoxyphenyl)propanoic acid (CAS 954584-15-7)
- Butyl[(3-phenoxyphenyl)methyl]amine (CAS 129535-82-6)
- 1-(4-Phenoxyphenyl)pentan-1-one (CAS 300397-35-7)
- 3-(3-phenoxyphenyl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 1182892-38-1)
- 1-(3-Phenoxyphenyl)piperidine (CAS 1135032-28-8)
Recommended Standards
- 4-(4-Methylpiperazin-1-yl)quinazoline-6-carbaldehyde (CAS 648449-15-4)
- 4-(5-Thioxo-1H-1,2,4-triazol-4(5H)-yl)benzenesulfonamide (CAS 642462-53-1)
- 4-(1,2,3-Thiadiazol-4-yl)phenyl methanesulfonate (CAS 337924-69-3)
- 4-(Azepan-2-ylidene)-2-phenyloxazol-5(4H)-one (CAS 40051-97-6)
- 3-(2-(Methylthio)ethyl)piperazin-2-one (CAS 78551-63-0)
- Potassium Trifluoro(hydroxymethyl)borate (CAS 1445848-23-6)
- 4-(Pyridin-3-yl)piperidin-4-amine trihydrochloride (CAS 1707602-23-0)
- Methyl 4-(3-fluoro-4-methylphenyl)benzoate (CAS 1820705-23-4)
- 4-Chloro-2-((cyclopropylmethyl)thio)pyridine (CAS 1346707-39-8)
- 3-(2-Chlorophenyl)-1H-1,2,4-triazole-5-carboxylic acid (CAS 1368318-15-3)
- 4-Chloro-3-(methylsulfonyl)benzoic acid (CAS 51522-07-7)
- Ferulic Acid Impurity 1 (CAS 2931-90-0)
- 5-(2-Bromo-5-methylphenyl)oxazole (CAS 2028261-97-2)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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