(2R,3S,4S,5R,6S)-2-((Benzoyloxy)methyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate CAS 138661-53-7
| CAS No. | 138661-53-7 |
| Molecular Formula | C36H32O9S |
| Molecular Weight | 640.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (2R,3S,4S,5R,6S)-2-((Benzoyloxy)methyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate 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.
(2R,3S,4S,5R,6S)-2-((Benzoyloxy)methyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate (CAS 138661-53-7) is a high-purity analytical reference standard with the molecular formula C36H32O9S and a molecular weight of 640.70 g/mol.
Structurally, (2R,3S,4S,5R,6S)-2-((Benzoyloxy)methyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate (C36H32O9S) 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 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 640.70 g/mol, it falls into the 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.
Physical & Chemical Properties
| Molecular Formula | C36H32O9S |
| Molecular Weight | 640.70 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Sulfur Atoms | 1 |
Recommended Standards
- (2R,3R,4S,5R,6S)-2-((benzoyloxy)methyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate (CAS 113214-71-4)
- 2,4,6-Tris(diphenylamino)-3,5-difluorobenzonitrile (CAS 1403850-00-9)
- N'-(9-((2R,3R,4S,5R)-5-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-3,4-dihydroxytetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-3H-purin-2-yl)-N,N-dimethylformimidamide (CAS 126922-60-9)
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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