1-(9H-Fluoren-9-ylmethyl) 3-methyl azetidine-1,3-dicarboxylate CAS 1820604-93-0
| CAS No. | 1820604-93-0 |
| Molecular Formula | C20H19NO4 |
| Molecular Weight | 337.37 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.
1-(9H-Fluoren-9-ylmethyl) 3-methyl azetidine-1,3-dicarboxylate (CAS 1820604-93-0), molecular formula C20H19NO4 and molecular weight 337.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H19NO4, 1-(9H-Fluoren-9-ylmethyl) 3-methyl azetidine-1,3-dicarboxylate 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 337.37 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.
Physical & Chemical Properties
| Molecular Formula | C20H19NO4 |
| Molecular Weight | 337.37 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.) | 1995 |
| Nitrogen Atoms | 1 |
Related H Standards
- 2-(1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)cyclopropyl)acetic acid (CAS 1219953-64-6)
- 1-[({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropane-1-carboxylic acid (CAS 1263045-62-0)
- (((9H-fluoren-9-yl)methoxy)carbonyl)proline (CAS 144829-96-9)
- 1-(9H-Fluoren-9-ylmethyl) 2-methyl (2S)-azetidine-1,2-dicarboxylate (CAS 1820575-03-8)
- 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-3-methylazetidine-3-carboxylic acid (CAS 1935170-13-0)
- 3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)cyclobutane-1-carboxylic acid (CAS 1935557-50-8)
- 1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2-methylazetidine-2-carboxylic acid (CAS 610271-10-8)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-methylbut-2-enoic acid (CAS 198546-38-2)
Recommended Standards
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- Methyl 3-[2-(dimethylsulfamoyl)phenyl]-5-fluorobenzoate (CAS 1820734-79-9)
- Deracoxib Impurity 4 (CAS 1798429-38-5)
- 1-(1H-indol-3-yl)-N-methyl-2-(pyrrolidin-1-yl)ethan-1-amine (CAS 885951-05-3)
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- 5-Chloromethyl-2-(4-(trifluoromethyl)-phenyl)-1H-imidazole (CAS 466664-94-8)
- 1-(4-CHLOROBUTYRYL)-2,4,6-TRIMETHOXY BENZENE (CAS 80904-51-4)
- 2,2,2-trifluoroethyl 1-naphthylcarbamate (CAS 363-21-3)
- (2Z)-6-Hydroxy-2-(3-methoxybenzylidene)-7-methyl-1-benzofuran-3(2H)-one (CAS 1092298-27-5)
- Boc-Asp(OMe)-OH (CAS 59768-74-0)
- (S)-tert-Butyl 3-(2-chloro-N-isopropylacetamido)pyrrolidine-1-carboxylate (CAS 1353998-23-8)
- 3-(3,4-Dimethoxyphenyl)isoxazol-5-amine (CAS 501325-88-8)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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