(2R,3S,4R,5R,6R)-5-acetamido-2-(acetoxymethyl)-6-methoxytetrahydro-2H-pyran-3,4-diyl diacetate CAS 2771-48-4
| CAS No. | 2771-48-4 |
| Molecular Formula | C15H23NO9 |
| Molecular Weight | 361.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2R,3S,4R,5R,6R)-5-acetamido-2-(acetoxymethyl)-6-methoxytetrahydro-2H-pyran-3,4-diyl diacetate 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.
(2R,3S,4R,5R,6R)-5-acetamido-2-(acetoxymethyl)-6-methoxytetrahydro-2H-pyran-3,4-diyl diacetate (CAS 2771-48-4) is a high-purity analytical reference standard with the molecular formula C15H23NO9 and a molecular weight of 361.34 g/mol.
Structurally, (2R,3S,4R,5R,6R)-5-acetamido-2-(acetoxymethyl)-6-methoxytetrahydro-2H-pyran-3,4-diyl diacetate (C15H23NO9) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 361.34 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C15H23NO9 |
| Molecular Weight | 361.34 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1957 |
| Nitrogen Atoms | 1 |
Recommended Standards
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