(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(pyridin-2-ylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 105120-89-6
| CAS No. | 105120-89-6 |
| Molecular Formula | C19H23NO9S |
| Molecular Weight | 441.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(pyridin-2-ylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 105120-89-6), molecular formula C19H23NO9S and molecular weight 441.45 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H23NO9S, (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(pyridin-2-ylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 441.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(pyridin-2-ylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H23NO9S |
| Molecular Weight | 441.45 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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