5-(2-Fluorophenoxy)pyrazine-2-carboxylic acid CAS 1199215-96-7
| CAS No. | 1199215-96-7 |
| Molecular Formula | C11H7FN2O3 |
| Molecular Weight | 234.18 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.
5-(2-Fluorophenoxy)pyrazine-2-carboxylic acid (CAS 1199215-96-7) is a high-purity analytical reference standard with the molecular formula C11H7FN2O3 and a molecular weight of 234.18 g/mol.
Based on its molecular formula C11H7FN2O3, 5-(2-Fluorophenoxy)pyrazine-2-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 234.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C11H7FN2O3 |
| Molecular Weight | 234.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluorophenoxy Standards
- 3-(3-Fluorophenoxy)pyrazine-2-carboxylic acid (CAS 1228552-82-6)
- 2-(3-Fluorophenoxy)-3-nitropyridine (CAS 1276328-09-6)
- 2-(3-FLuorophenoxy)-5-nitropyridine (CAS 1386297-91-1)
- 2-(4-Fluorophenoxy)-3-nitropyridine (CAS 147143-58-6)
- 2-(2-Fluorophenoxy)-3-nitropyridine (CAS 175135-65-6)
- 2-(2-Fluorophenoxy)-5-nitropyridine (CAS 218795-32-5)
- 2-(4-Fluorophenoxy)-5-nitropyridine (CAS 31011-26-4)
- 4-(2-(4-Fluorophenoxy)ethyl)-3,5-dimethyl-1h-pyrazole (CAS 1038990-11-2)
Recommended Standards
- Ethyl 2-amino-6-(trifluoromethyl)isonicotinate (CAS 1196152-54-1)
- N-Methoxy-N-methyl-3-(trifluoromethyl)picolinamide (CAS 1211521-63-9)
- N-Ethyl-4-nitro-2-(trifluoromethyl)aniline (CAS 1183678-32-1)
- N-Methoxy-N-methyl-5-(trifluoromethyl)picolinamide (CAS 1211538-46-3)
- (2-Bromophenyl)(6-methoxypyridin-2-yl)methanone (CAS 1187167-13-0)
- 1-(4-(Methylthio)phenyl)piperazine (CAS 80835-30-9)
- 4-(2-nitrophenyl)-2-oxobut-3-enoic acid (CAS 72323-79-6)
- 6-Hydroxy-3-methyl-2H-benzo[e][1,3]oxazin-4(3H)-one (CAS 2487299-86-3)
- 3-Chloro-N-(2,6-difluorophenyl)benzamide (CAS 1065134-57-7)
- 2-(3-Fluorophenyl)-5,7-dihydroxy-4H-chromen-4-one (CAS 957131-86-1)
- [4-methyl-2-(methylsulfanyl)phenyl]methanamine (CAS 1249234-36-3)
- 1,6-Hexane diisothiocyanate (CAS 5586-70-9)
- 5-nitrofuro[2,3-b]pyridine (CAS 34668-29-6)
- Glu17-Semaglutide (CAS CATO-C4X-2226209)
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