4'-Pentyl-[1,1'-biphenyl]-4-carboxylic acid CAS 59662-47-4
| CAS No. | 59662-47-4 |
| Molecular Formula | C18H20O2 |
| Molecular Weight | 268.35 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'-Pentyl-[1,1'-biphenyl]-4-carboxylic acid.
4'-Pentyl-[1,1'-biphenyl]-4-carboxylic acid (CAS 59662-47-4) is a high-purity analytical reference standard with the molecular formula C18H20O2 and a molecular weight of 268.35 g/mol.
The molecular framework of 4'-Pentyl-[1,1'-biphenyl]-4-carboxylic acid (C18H20O2) is characterized by a steroid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H20O2 |
| Molecular Weight | 268.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 1974 |
Related Pentyl Standards
- 1-Pentyl-1H-benzo[d]imidazole-2-sulfonic acid (CAS 537009-98-6)
- 1-(4'-Pentyl-[1,1'-biphenyl]-4-yl)ethan-1-ol (CAS 117553-23-8)
- Pentyl 4-hydroxy-3,5-dimethoxybenzoate (CAS 223907-48-0)
- N-Pentyl-1,2,3,4-tetrahydroacridin-9-amine (CAS 316-87-0)
- (4'-Pentyl-[1,1'-biphenyl]-4-yl)boronic acid (CAS 121554-18-5)
- 1-(4'-Pentyl-[1,1'-biphenyl]-4-yl)ethan-1-one (CAS 59662-38-3)
- 5-Oxo-1-(1-pentyl-1H-pyrazol-4-yl)pyrrolidine-3-carboxylic acid (CAS 1710203-20-5)
- 1-n-Pentyl-2-phenylbenzimidazole (CAS 305347-17-5)
Recommended Standards
- 4'-Butyl-N-hydroxy-[1,1'-biphenyl]-4-carboximidamide (CAS 457066-54-5)
- 5-tert-Butyl-2-phenylmethoxybenzaldehyde (CAS 796047-09-1)
- 4-Butoxy-4-methylbiphenyl-3-carbaldehyde (CAS 381238-90-0)
- 6-([1,1'-Biphenyl]-4-yl)hexanoic acid (CAS 5002-16-4)
- n-(Piperidin-3-ylmethyl)cyclopropanesulfonamide (CAS 1342002-46-3)
- 4-(4-Chlorophenyl)-2-(5-(2,4-dichlorophenyl)-1H-pyrazol-1-yl)thiazole (CAS 956206-18-1)
- 2,2-Dibromo-1-(3-fluorophenyl)ethan-1-one (CAS 296281-77-1)
- Difelikefalin Impurity 66 (CAS CATO-C4X-304166)
- 4-Bromo-3-ethylbenzoic acid (CAS 741698-92-0)
- Ethyl 5-hydroxy-1-(4-methoxybenzyl)-1H-1,2,3-triazole-4-carboxylate (CAS 75020-41-6)
- N-Benzyl-5-methyl-12-oxo-5H,5aH,6H,7H,8H,9H,10H,12H-azepino[2,1-b]quinazoline-3-carboxamide (CAS 1775357-93-1)
- 5,7-Dibromo-6-methyl-1H-indazole (CAS 883834-49-9)
- 2-Hydroxyethyl 4-(benzo[d]oxazol-2-yl)benzoate (CAS 88575-38-6)
- MOTS-c Peptide (CAS 1627580-64-6)
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