3,5-Difluoro-4-isobutoxybenzoic acid CAS 1343670-92-7
| CAS No. | 1343670-92-7 |
| Molecular Formula | C11H12F2O3 |
| Molecular Weight | 230.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 230.21 g/mol gives 3,5-Difluoro-4-isobutoxybenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5-Difluoro-4-isobutoxybenzoic acid (CAS 1343670-92-7), molecular formula C11H12F2O3 and molecular weight 230.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,5-Difluoro-4-isobutoxybenzoic 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 manufactures 3,5-Difluoro-4-isobutoxybenzoic 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 | 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.) | 1991 |
| 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)
- 2,6-Difluoro-4-isopropoxybenzoic acid methyl ester (CAS 1394944-82-1)
- Methyl 4,5-difluoro-2-isopropoxybenzoate (CAS 1394955-02-2)
- 3,4-Difluoro-5-isobutoxybenzoic acid (CAS 1443304-72-0)
Recommended Standards
- Ethyl 3-(2,5-difluorophenoxy)propanoate (CAS 1341783-35-4)
- 4-Butoxy-3,5-difluorobenzoic acid (CAS 1343701-12-1)
- Ethyl 3-(2,3-difluorophenoxy)propanoate (CAS 1341463-72-6)
- Ethyl 3-(3,5-difluorophenoxy)propanoate (CAS 1344331-21-0)
- Panaxynol (CAS 21852-80-2)
- Dimethyl (2-oxobutyl)phosphonate (CAS 41162-15-6)
- 6-(Adamantan-1-yl)-2-((2-cyanoethyl)thio)-4-(trifluoromethyl)nicotinonitrile (CAS 625369-56-4)
- ethyl 2,4,4,4-tetrafluoro-3-oxobutanoate (CAS 685-69-8)
- 2-Bromo-N-(4-iodophenyl)butanamide (CAS 1342001-42-6)
- 5-Hydroxy-2-methyl-benzofuran-3-carboxylic acid (CAS 82039-84-7)
- 1-Ethyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 494791-30-9)
- Tert-butyl 4-(7-bromo-3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)piperidine-1-carboxylate (CAS 1326889-35-3)
- Lovastatin Impurity 31 (CAS CATO-C4X-168431)
- Biotinyl-S6 Phosphate Acceptor Peptide trifluoroacetate salt (CAS 1815618-12-2)
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