(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-5-(benzyloxy)-6-(p-tolylthio)tetrahydro-2H-pyran-3,4-diyl diacetate CAS 189744-09-0
| CAS No. | 189744-09-0 |
| Molecular Formula | C26H30O8S |
| Molecular Weight | 502.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (2R,3S,4S,5R,6S)-2-(acetoxymethyl)-5-(benzyloxy)-6-(p-tolylthio)tetrahydro-2H-pyran-3,4-diyl diacetate (CAS 189744-09-0), a certified reference material (molecular formula C26H30O8S, MW 502.58 g/mol) for analytical method development and quality control.
Structurally, (2R,3S,4S,5R,6S)-2-(acetoxymethyl)-5-(benzyloxy)-6-(p-tolylthio)tetrahydro-2H-pyran-3,4-diyl diacetate (C26H30O8S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 502.58 g/mol, it falls into the moderately-high-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C26H30O8S |
| Molecular Weight | 502.58 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Sulfur Atoms | 1 |
Recommended Standards
- Amcinonide (CAS 51022-69-6)
- (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-4-(benzyloxy)-6-(p-tolylthio)tetrahydro-2H-pyran-3,5-diyl diacetate (CAS 959153-39-0)
- 3-(4-Methoxyphenyl)-2-((3-(trifluoromethyl)benzyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477329-57-0)
- (2S,5R,6S)-Benzhydryl 6-benzamido-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide (CAS 69780-18-3)
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