2-(2-Bromo-4-fluorophenoxy)propanoic acid CAS 1579-73-3
| CAS No. | 1579-73-3 |
| Molecular Formula | C9H8BrFO3 |
| Molecular Weight | 263.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 263.06 g/mol gives 2-(2-Bromo-4-fluorophenoxy)propanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2-Bromo-4-fluorophenoxy)propanoic acid (CAS 1579-73-3) is a high-purity analytical reference standard with the molecular formula C9H8BrFO3 and a molecular weight of 263.06 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system, 2-(2-Bromo-4-fluorophenoxy)propanoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 263.06 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 2-(2-Bromo-4-fluorophenoxy)propanoic 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 | C9H8BrFO3 |
| Molecular Weight | 263.06 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.) | 1957 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- methyl 2-bromo-4-fluoro-5-methoxybenzoate (CAS 1007455-22-2)
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- 2-Bromo-1-(2-fluoro-4-hydroxy-5-methoxyphenyl)ethan-1-one (CAS 1065076-50-7)
- Methyl 4-bromo-5-fluoro-2-methoxybenzoate (CAS 1084953-18-3)
- 2-(4-Bromo-2-fluorophenoxy)acetohydrazide (CAS 1098341-68-4)
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Recommended Standards
- 6-bromo-6-fluoro-4-(2-methoxyacetyl)cyclohexa-2,4-dien-1-one (CAS 157014-35-2)
- 5-Bromo-N-ethyl-4-fluoro-2-nitroaniline (CAS 1601096-45-0)
- 2-(3-Bromo-4-fluorophenoxy)propanoic acid (CAS 1549588-60-4)
- Methyl 3-bromo-4-fluoro-5-methoxybenzoate (CAS 1628539-99-0)
- N,N-Dimethyl-6,7-dihydroquinoline-8,8(5H)-bis(carbothioamide) (CAS 62000-31-1)
- (5-Methyl-2,4-dioxo-1,3-thiazolidin-5-yl)acetic acid (CAS 496020-58-7)
- n-(2-(Cyclohex-1-en-1-yl)ethyl)cyclobutanamine (CAS 1250353-71-9)
- Ethyl 2-((3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)thio)hexanoate (CAS 87202-56-0)
- n-[(2,4-dichlorophenyl)methylidene]hydroxylamine (CAS 56843-28-8)
- N-Acetylnorlaudanosine (CAS 860-23-1)
- Methyl 1-cyano-4-methylcyclohexane-1-carboxylate, mixture of diastereomers (CAS 1467952-38-0)
- 2-(4-(3,4-Difluorophenyl)thiazol-2-yl)acetonitrile (CAS 883024-06-4)
- 3-(1-Isopropyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-indole-6-carbonitrile (CAS 1958100-73-6)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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