3-(2-Fluoro-5-methoxyphenyl)propanoic acid CAS 91319-46-9
| CAS No. | 91319-46-9 |
| Molecular Formula | C10H11FO3 |
| Molecular Weight | 198.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 3-(2-Fluoro-5-methoxyphenyl)propanoic acid (CAS 91319-46-9), a certified reference material (molecular formula C10H11FO3, MW 198.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H11FO3, 3-(2-Fluoro-5-methoxyphenyl)propanoic 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 198.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C10H11FO3 |
| Molecular Weight | 198.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1983 |
| Halogen Content | F-containing |
Related Fluoro Standards
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- 2-Fluoro-N-methoxy-N,5-dimethylnicotinamide (CAS 1042986-01-5)
- 3-(3-Fluoro-2-methoxyphenyl)propanoic acid (CAS 1092460-70-2)
- Ethyl 3-fluoro-2-methoxybenzoate (CAS 1106304-72-6)
- 4-Fluoro-N-isopropyl-3-nitroaniline (CAS 1157073-95-4)
- 1-(5-Fluoro-2-methoxyphenyl)-2-methoxyethan-1-one (CAS 1158048-13-5)
- Ethyl 3-fluoro-5-methoxybenzoate (CAS 1214332-62-3)
- Ethyl 2-fluoro-3-methoxybenzoate (CAS 1214346-45-8)
Recommended Standards
- 3-(2-Fluoro-4-methoxyphenyl)propanoic acid (CAS 852181-15-8)
- 3-(2-Fluoro-5-methylphenoxy)propanoic acid (CAS 942195-98-4)
- 3-(2-Fluoro-4-hydroxyphenyl)-1,1-dimethylurea (CAS 821765-73-5)
- 3-(3-Fluoro-4-methoxyphenyl)propionic Acid (CAS 69888-90-0)
- 1-(6-(Trifluoromethyl)pyridin-2-yl)ethan-1-one (CAS 944904-58-9)
- Ethyl 2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate (CAS 154365-33-0)
- Ethyl 4-Cyano-3-hydroxybutanoate (CAS 227200-13-7)
- 2-Isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine (CAS 2223040-81-9)
- (E)-N'-(6-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}-3,5-dicyanopyridin-2-yl)-N-[(4-chlorophenyl)methoxy]methanimidamide (CAS 338795-00-9)
- N-(3-{imidazo[1,2-a]pyridin-2-yl}phenyl)cyclopropanecarboxamide (CAS 860784-19-6)
- Rimegepant Impurity 123 (CAS CATO-C4X-2487123)
- Methyl 3-{[(4-chlorophenyl)methyl]amino}-2-methylpropanoate (CAS 1154286-85-7)
- 3-(tert-Butyl)-5-(4-ethoxy-3-methoxyphenyl)-1H-1,2,4-triazole (CAS 1416346-95-6)
- Acetyl tetrapeptide-9(Dermican LS 9837) (CAS 928006-50-2)
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