(2S,3S,4R,5R,6S)-2-methyl-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 181136-65-2
| CAS No. | 181136-65-2 |
| Molecular Formula | C18H22O7S |
| Molecular Weight | 382.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (2S,3S,4R,5R,6S)-2-methyl-6-(phenylthio)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.
CATO supplies (2S,3S,4R,5R,6S)-2-methyl-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 181136-65-2), a certified reference material (molecular formula C18H22O7S, MW 382.43 g/mol) for analytical method development and quality control.
Structurally, (2S,3S,4R,5R,6S)-2-methyl-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (C18H22O7S) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 382.43 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C18H22O7S |
| Molecular Weight | 382.43 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Sulfur Atoms | 1 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com