4'-Fluoro-[1,1'-biphenyl]-4-carboxylic acid CAS 5731-10-2
| CAS No. | 5731-10-2 |
| Molecular Formula | C13H9FO2 |
| Molecular Weight | 216.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 4'-Fluoro-[1,1'-biphenyl]-4-carboxylic acid (CAS 5731-10-2), a certified reference material (molecular formula C13H9FO2, MW 216.21 g/mol) for analytical method development and quality control.
Structurally, 4'-Fluoro-[1,1'-biphenyl]-4-carboxylic acid (C13H9FO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring 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 216.21 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 4'-Fluoro-[1,1'-biphenyl]-4-carboxylic acid 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 | C13H9FO2 |
| Molecular Weight | 216.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | F-containing |
Related Fluoro Standards
- 2-FLUORO-4’-HYDROXYBENZOPHENONE (CAS 101969-75-9)
- 4'-Fluoro-[1,1'-biphenyl]-3-carboxylicacid (CAS 10540-39-3)
- 4-Fluoro-3-phenylbenzoic acid (CAS 1082484-37-4)
- 5-Fluoro-3-phenylbenzoic acid (CAS 1082565-35-2)
- 2-Fluoro-N-(pyridin-4(1h)-ylidene)benzamide (CAS 113204-23-2)
- 2-Fluoro-4-phenoxybenzaldehyde (CAS 1133065-51-6)
- 2-((5-Fluoro-8-methylquinolin-4-yl)oxy)acetonitrile (CAS 1315343-61-3)
- 3-(7-Fluoro-4-oxoquinolin-1(4H)-yl)propanenitrile (CAS 1315345-24-4)
Recommended Standards
- 4-Amino-3-sulfamoylbenzoic acid (CAS 89694-28-0)
- 4-Fluoro-2-phenoxybenzaldehyde (CAS 887267-45-0)
- 4-Amino-2-sulfamoylbenzoic acid (CAS 46277-93-4)
- 4-Fluoro-2-phenylbenzoic acid (CAS 2714-91-2)
- N,N-Dimethyl-4-(4-nitrophenyl)benzamide (CAS 1355247-57-2)
- (R)-2-amino-2-(thiazol-4-yl)ethanol (CAS 1344611-64-8)
- 3-Bromo-5-(difluoromethyl)benzaldehyde (CAS 1646313-92-9)
- 2-(Difluoromethyl)-4-fluoro-3-methoxypyridine-6-carboxylic acid (CAS 1805459-68-0)
- 1,3-Dichloro-6-ethylisoquinoline (CAS 1150271-19-4)
- 2-((2-Ethoxyethoxy)methyl)butane-1-sulfonyl chloride (CAS 1481839-30-8)
- 4-(Hydroxymethyl)piperidine-1-carbonitrile (CAS 1032824-91-1)
- 3-Chloro-5-cyano-4-methoxybenzoic acid (CAS 1092308-48-9)
- 6-azaspiro[2.5]octan-1-ylmethanol (CAS 1359655-91-6)
- Semaglutide impurity 01 (CAS 1998701-31-7)
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