4,4-Difluoro-3-(4-methoxyphenyl)butanoic acid CAS 1638757-34-2
| CAS No. | 1638757-34-2 |
| Molecular Formula | C11H12F2O3 |
| Molecular Weight | 230.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4,4-Difluoro-3-(4-methoxyphenyl)butanoic 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.
4,4-Difluoro-3-(4-methoxyphenyl)butanoic acid (CAS 1638757-34-2) is a high-purity analytical reference standard with the molecular formula C11H12F2O3 and a molecular weight of 230.21 g/mol.
Structurally, 4,4-Difluoro-3-(4-methoxyphenyl)butanoic acid (C11H12F2O3) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 230.21 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C11H12F2O3 |
| Molecular Weight | 230.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2,2-Difluoro-2-(4-methoxy-3,5-dimethylphenyl)acetic acid (CAS 1027514-02-8)
- Ethyl 2,2-Difluoro-2-(4-methoxyphenyl)acetate (CAS 112545-98-9)
- Ethyl 2,2-Difluoro-2-(2-methoxyphenyl)acetate (CAS 1150164-80-9)
- 4-(2,6-Difluoro-4-methoxyphenyl)butanoic acid (CAS 1184389-98-7)
- 2,2-Difluoro-2-(4-isopropoxyphenyl)acetic acid (CAS 1339100-72-9)
- 3,5-Difluoro-4-isobutoxybenzoic acid (CAS 1343670-92-7)
- 2,6-Difluoro-4-isopropoxybenzoic acid methyl ester (CAS 1394944-82-1)
- Methyl 4,5-difluoro-2-isopropoxybenzoate (CAS 1394955-02-2)
Recommended Standards
- 4-(Difluoromethoxy)-3-isopropoxybenzaldehyde (CAS 159783-82-1)
- 2-(2,6-Difluorophenyl)-1h-benzo[d]imidazole (CAS 164593-05-9)
- 6-Fluoro-2-(4-fluorophenyl)imidazo[1,2-a]pyridine (CAS 1546495-83-3)
- 3-Butoxy-2,6-difluorobenzoic acid (CAS 1706434-98-1)
- Hepoxilin A3(Mixture of Diastereomers) (CAS 85589-24-8)
- (1S,2R,6S)-3-azabicyclo[4.1.0]Heptane-2-carboxylic acid (CAS 2173992-29-3)
- 1-(2-(Ethylsulfonyl)ethyl)-1h-1,2,4-triazol-3-amine (CAS 1179763-78-0)
- 2-Chloro-N-(5-fluoro-2-methylphenyl)benzamide (CAS 527741-50-0)
- 5-[4-(Methylsulfanyl)phenyl]-2-furoic acid (CAS 893734-62-8)
- Ethyl 5-oxo-1-phenyl-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS 27241-29-8)
- 3-(2-((4-Chlorobenzyl)oxy)phenyl)-1-(4-methylbenzyl)-1H-pyrazole (CAS 956393-91-2)
- 9-Cyclopropyl-6-fluoro-8-methoxy-7-((4-methoxybenzyl)amino)isothiazolo[5,4-b]quinoline-3,4(2H,9H)-dione (CAS 936255-65-1)
- (3-((Cyclopentyloxy)methyl)-4-fluorophenyl)methanamine (CAS 1016498-11-5)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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