(((9H-Fluoren-9-yl)methoxy)carbonyl)leucine CAS 126727-03-5
| CAS No. | 126727-03-5 |
| Molecular Formula | C21H23NO4 |
| Molecular Weight | 353.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(((9H-Fluoren-9-yl)methoxy)carbonyl)leucine (C21H23NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (((9H-Fluoren-9-yl)methoxy)carbonyl)leucine (CAS 126727-03-5), a certified reference material (molecular formula C21H23NO4, MW 353.41 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (((9H-Fluoren-9-yl)methoxy)carbonyl)leucine 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 | C21H23NO4 |
| Molecular Weight | 353.41 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Related H Standards
- (9H-fluoren-9-yl)methyl (R)-4-(hydroxymethyl)-2,2-dimethyloxazolidine-3-carboxylate (CAS 1286768-25-9)
- 4-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-methylpentanoic acid (CAS 1310680-22-8)
- 4-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-2,2-dimethylbutanoic acid (CAS 1310680-24-0)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3,3-dimethylbutanoic acid (CAS 1310680-27-3)
- 3-{[(9h-fluoren-9-ylmethoxy)carbonyl](propan-2-yl)amino}propanoic acid (CAS 1342594-74-4)
- 2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-2-methylpentanoic acid (CAS 1343146-15-5)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(ethyl)amino)-2-methylpropanoic acid (CAS 1344079-11-3)
- 2-({[(9h-fluoren-9-yl)methoxy]carbonyl}(2-methylpropyl)amino)acetic acid (CAS 141743-14-8)
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