2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,3-difluorocyclopentyl)acetic acid CAS 2138774-35-1
| CAS No. | 2138774-35-1 |
| Molecular Formula | C22H21F2NO4 |
| Molecular Weight | 401.40 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 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,3-difluorocyclopentyl)acetic acid (CAS 2138774-35-1), a certified reference material (molecular formula C22H21F2NO4, MW 401.40 g/mol) for analytical method development and quality control.
Based on its molecular formula C22H21F2NO4, 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,3-difluorocyclopentyl)acetic acid contains a flavonoid core, 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 401.40 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H21F2NO4 |
| Molecular Weight | 401.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1997 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related H Standards
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