5-tert-Butyl 1-methyl (2R)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}pentanedioate CAS 1820576-16-6
| CAS No. | 1820576-16-6 |
| Molecular Formula | C25H29NO6 |
| Molecular Weight | 439.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-tert-Butyl 1-methyl (2R)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}pentanedioate (CAS 1820576-16-6) is a high-purity analytical reference standard with the molecular formula C25H29NO6 and a molecular weight of 439.50 g/mol.
Based on its molecular formula C25H29NO6, 5-tert-Butyl 1-methyl (2R)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}pentanedioate 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 439.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 5-tert-Butyl 1-methyl (2R)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}pentanedioate 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 | C25H29NO6 |
| Molecular Weight | 439.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 5-Methyl-12-oxo-N-(3,4,5-trimethoxyphenyl)-5H,5aH,6H,7H,8H,9H,10H,12H-azepino[2,1-b]quinazoline-3-carboxamide (CAS 1775442-93-7)
- (E)-1-butyl-2-((3,4-difluorobenzylidene)amino)-4,5-diphenyl-1H-pyrrole-3-carbonitrile (CAS 478032-79-0)
- N-Fmoc-N-(4-(tert-butoxy)-4-oxobutyl)glycine (CAS 174799-90-7)
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- 1,1'-((Oxybis(methylene))bis(3-chloro-2-hydroxy-5,1-phenylene))diethanone (CAS 107365-76-4)
- Ethyl 3-(4-(tert-butyl)phenyl)propanoate (CAS 130872-28-5)
- Semaglutide Sodium Salt (CAS CATO-C4X-222620)
Why CATO?
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