(S)-3-Ethoxy-3-(4-(((R)-4-(trifluoromethyl)-2,3-dihydro-1h-inden-1-yl)oxy)phenyl)propanoic acid CAS 1202575-67-4
| CAS No. | 1202575-67-4 |
| Molecular Formula | C21H21F3O4 |
| Molecular Weight | 394.38 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.
(S)-3-Ethoxy-3-(4-(((R)-4-(trifluoromethyl)-2,3-dihydro-1h-inden-1-yl)oxy)phenyl)propanoic acid (CAS 1202575-67-4), molecular formula C21H21F3O4 and molecular weight 394.38 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-3-Ethoxy-3-(4-(((R)-4-(trifluoromethyl)-2,3-dihydro-1h-inden-1-yl)oxy)phenyl)propanoic acid (C21H21F3O4) contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 394.38 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).
As a certified reference material (CRM), (S)-3-Ethoxy-3-(4-(((R)-4-(trifluoromethyl)-2,3-dihydro-1h-inden-1-yl)oxy)phenyl)propanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H21F3O4 |
| Molecular Weight | 394.38 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
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