(3R,4S,5S)-tert-butyl 4-(benzyl(methyl)amino)-3-methoxy-5-methylheptanoate CAS 870640-64-5
| CAS No. | 870640-64-5 |
| Molecular Formula | C21H35NO3 |
| Molecular Weight | 349.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (3R,4S,5S)-tert-butyl 4-(benzyl(methyl)amino)-3-methoxy-5-methylheptanoate 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.
CATO supplies (3R,4S,5S)-tert-butyl 4-(benzyl(methyl)amino)-3-methoxy-5-methylheptanoate (CAS 870640-64-5), a certified reference material (molecular formula C21H35NO3, MW 349.51 g/mol) for analytical method development and quality control.
(3R,4S,5S)-tert-butyl 4-(benzyl(methyl)amino)-3-methoxy-5-methylheptanoate (C21H35NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, 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).
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 | C21H35NO3 |
| Molecular Weight | 349.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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