(2S,3S,4R)-2-Azido-1,3,4-tri-O-[(tert-butyldimethylsilyl)oxy]octadecane CAS 1256376-20-1
| CAS No. | 1256376-20-1 |
| Molecular Formula | C36H79N3O3Si3 |
| Molecular Weight | 686.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 686.29 g/mol gives (2S,3S,4R)-2-Azido-1,3,4-tri-O-[(tert-butyldimethylsilyl)oxy]octadecane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (2S,3S,4R)-2-Azido-1,3,4-tri-O-[(tert-butyldimethylsilyl)oxy]octadecane (CAS 1256376-20-1), a certified reference material (molecular formula C36H79N3O3Si3, MW 686.29 g/mol) for analytical method development and quality control.
The molecular framework of (2S,3S,4R)-2-Azido-1,3,4-tri-O-[(tert-butyldimethylsilyl)oxy]octadecane (C36H79N3O3Si3) is characterized by an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), (2S,3S,4R)-2-Azido-1,3,4-tri-O-[(tert-butyldimethylsilyl)oxy]octadecane 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 | C36H79N3O3Si3 |
| Molecular Weight | 686.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
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