2-(2,5-Difluorophenoxy)acetic acid CAS 366-56-3
| CAS No. | 366-56-3 |
| Molecular Formula | C8H6F2O3 |
| Molecular Weight | 188.13 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.
2-(2,5-Difluorophenoxy)acetic acid (CAS 366-56-3), molecular formula C8H6F2O3 and molecular weight 188.13 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H6F2O3, 2-(2,5-Difluorophenoxy)acetic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-(2,5-Difluorophenoxy)acetic 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 | C8H6F2O3 |
| Molecular Weight | 188.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1957 |
| Halogen Content | F-containing |
Related Difluorophenoxy Standards
- (2,4-Difluorophenoxy)acetic acid (CAS 399-44-0)
- 2-(2,3-Difluorophenoxy)acetic acid (CAS 896052-06-5)
- 2-(2,6-Difluorophenoxy)acetic acid (CAS 363-45-1)
- 2-(3,4-Difluorophenoxy)acetic acid (CAS 370-58-1)
- 2-(3,5-Difluorophenoxy)acetic acid (CAS 370-02-5)
- 1-(3,5-Difluorophenoxy)propan-2-amine (CAS 1115027-28-5)
- 3-(3,5-Difluorophenoxy)propan-1-amine (CAS 1310243-42-5)
- 3-(2,3-Difluorophenoxy)propan-1-amine (CAS 1310246-61-7)
Recommended Standards
- 2-(2,3-Difluorophenyl)-2-hydroxyacetic acid (CAS 207974-19-4)
- 2-(2,5-Difluorophenyl)-2-hydroxyacetic acid (CAS 207853-61-0)
- 2-(2,3-Difluoro-4-hydroxyphenyl)acetic acid (CAS 887587-75-9)
- 2-(2,6-Difluorophenyl)-2-hydroxyacetic acid (CAS 207981-50-8)
- N-(4-(((5-Nitrofuran-2-yl)methyl)thio)phenyl)acetamide (CAS 61266-73-7)
- 3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one (CAS 1434141-65-7)
- 3-(5-Chloropyridin-2-yl)propanoic acid (CAS 1256810-37-3)
- 3,6-dihydro-2H-pyran-2-carboxylic acid (CAS 116233-54-6)
- 6-Amino-2,4-dibromo-3-fluorophenol (CAS 344-10-5)
- 1-(2,5-Dimethylbenzoyl)piperidine-2-carboxylic acid (CAS 1103141-28-1)
- 5,5-Dimethyl-2-(2,4,6-trimethoxyphenyl)-1,3,2-dioxaborinane (CAS 335343-08-3)
- Methyl 3-(difluoromethoxy)-4-nitrobenzoate (CAS 1157849-32-5)
- (2-Isopropoxyphenyl)hydrazine (CAS 1175880-37-1)
- Insulin degludec (CAS 844439-96-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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