(2R,3R,4S,5S,6R)-2-Methyl-6-(phosphonooxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 139493-71-3
| CAS No. | 139493-71-3 |
| Molecular Formula | C12H19O11P |
| Molecular Weight | 370.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2R,3R,4S,5S,6R)-2-Methyl-6-(phosphonooxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 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,3R,4S,5S,6R)-2-Methyl-6-(phosphonooxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 139493-71-3) is a high-purity analytical reference standard with the molecular formula C12H19O11P and a molecular weight of 370.25 g/mol.
Structurally, (2R,3R,4S,5S,6R)-2-Methyl-6-(phosphonooxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (C12H19O11P) contains a carbohydrate-derived structure, a phosphate ester group. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 370.25 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 | C12H19O11P |
| Molecular Weight | 370.25 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
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