({2-Oxo-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-7-yl}oxy)acetic acid CAS 951935-05-0
| CAS No. | 951935-05-0 |
| Molecular Formula | C18H11F3O6 |
| Molecular Weight | 380.27 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.
({2-Oxo-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-7-yl}oxy)acetic acid (CAS 951935-05-0) is a high-purity analytical reference standard with the molecular formula C18H11F3O6 and a molecular weight of 380.27 g/mol.
Structurally, ({2-Oxo-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-7-yl}oxy)acetic acid (C18H11F3O6) contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 380.27 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C18H11F3O6 |
| Molecular Weight | 380.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Oxo Standards
- 2-((1-((4-(Trifluoromethoxy)phenyl)sulfonyl)azetidin-3-yl)oxy)thiazole (CAS 1797875-23-0)
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- 2-((5-(3-(Trifluoromethoxy)benzamido)-1,3,4-thiadiazol-2-yl)thio)acetic acid (CAS 866155-89-7)
- 3-(2-Oxo-3-(4-(trifluoromethoxy)phenoxy)pyrrolidin-1-yl)benzoic acid (CAS 649774-30-1)
- 2-Phenyl-3-((4-(trifluoromethoxy)phenyl)amino)-1H-inden-1-one (CAS 1022801-36-0)
- 2-(trifluoromethoxy)-3-{[tris(propan-2-yl)silyl]oxy}benzoic acid (CAS 1909305-24-3)
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Recommended Standards
- 2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-diphenoxy- (CAS 144-35-4)
- (E)-3-[2-(2,4-Dichlorophenoxy)phenyl]-2-(4-methylphenyl)-2-propenenitrile (CAS 866019-74-1)
- (6-Chloropyridin-3-yl)methyl 1-((6-chloropyridin-3-yl)methyl)piperidine-2-carboxylate (CAS 1261229-58-6)
- 1-(2,6-Dichlorobenzyl)-3-(4-methylpiperazine-1-carbonyl)pyridin-2(1H)-one (CAS 338755-00-3)
- 2-(7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)acetic acid (CAS 459427-55-5)
- 3-Amino-6-methoxyquinoline (CAS 29507-86-6)
- 1,2-Dihydro-2,7-naphthyridin-3(4H)-one (CAS 1123169-61-8)
- 3-Fluoro-4-(piperidine-1-carboxamido)benzoic acid (CAS 1282874-15-0)
- 1-(4-(Dimethylamino)phenyl)-3-(1H-indol-3-yl)urea (CAS 941968-59-8)
- Ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 16459-33-9)
- 1-(4-Chloro-6-methylpyrimidin-2-yl)piperidin-4-ol (CAS 1353984-94-7)
- Flomoxef Impurity 3 (CAS 83494-32-0)
- 3-(2-Bromoethyl)-3-methyl-3H-diazirine (CAS 29205-50-3)
- Peptide Impurity (CAS CATO-CPTD788810)
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