| CAS No. | 1624260-14-5 |
| Molecular Formula | C19H28O9Si |
| Molecular Weight | 428.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 428.51 g/mol gives 2-(Acetoxymethyl)-6-((trimethylsilyl)ethynyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(Acetoxymethyl)-6-((trimethylsilyl)ethynyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 1624260-14-5), molecular formula C19H28O9Si and molecular weight 428.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H28O9Si, 2-(Acetoxymethyl)-6-((trimethylsilyl)ethynyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 428.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2-(Acetoxymethyl)-6-((trimethylsilyl)ethynyl)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.
| Molecular Formula | C19H28O9Si |
| Molecular Weight | 428.51 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |