| CAS No. | 1550436-68-4 |
| Molecular Formula | C21H21NO4 |
| Molecular Weight | 351.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 1-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)cyclobutanecarboxylic acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)cyclobutanecarboxylic acid (CAS 1550436-68-4) is a high-purity analytical reference standard with the molecular formula C21H21NO4 and a molecular weight of 351.40 g/mol.
Based on its molecular formula C21H21NO4, 1-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)cyclobutanecarboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 351.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
| Molecular Formula | C21H21NO4 |
| Molecular Weight | 351.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |