((2R,3S,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methanol CAS 40653-32-5
| CAS No. | 40653-32-5 |
| Molecular Formula | C28H32O6 |
| Molecular Weight | 464.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
((2R,3S,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methanol (CAS 40653-32-5), molecular formula C28H32O6 and molecular weight 464.55 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C28H32O6, ((2R,3S,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methanol contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 464.55 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).
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.
CATO manufactures ((2R,3S,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methanol 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 | C28H32O6 |
| Molecular Weight | 464.55 g/mol |
| Appearance | Pale yellow to 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
Recommended Standards
- ((2R,3R,4S,5S,6S)-3,4,5-tris(Benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methanol (CAS 34212-64-1)
- ((2R,3S,4S,5R,6S)-3,4,5-tris(benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methanol (CAS 55094-38-7)
- ((2R,3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methanol (CAS 4356-80-3)
- (3R,4R,5R)-4-(benzyloxy)-5-((R)-1,2-bis(benzyloxy)ethyl)-2-methoxytetrahydrofuran-3-ol (CAS 55902-93-7)
- Ethyl 5-chloro-6-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 2359663-69-5)
- ethyl 7-methylimidazo[1,2-a]pyridine-3-carboxylate (CAS 1397228-36-2)
- 2,3-Dibromopropylamine Hydrobromide (CAS 6963-32-2)
- Methyl 2-[(4-ethyl-5-{[(6-oxo-1-phenyl-1,6-dihydropyridazin-3-yl)oxy]methyl}-4H-1,2,4-triazol-3-yl)sulfanyl]acetate (CAS 439112-34-2)
- 6-Chloro-N-hydroxynicotinamide (CAS 1263094-64-9)
- 2,2-Diacetyl-3-(4-chlorophenyl)cyclopropane-1,1-dicarbonitrile (CAS 477890-19-0)
- N-[(2E)-2-(4-Chlorophenyl)-2-(methoxyimino)ethyl]-4-fluorobenzamide (CAS 343374-25-4)
- 4-Bromo-1-methylindazol-3-amine (CAS 1260854-85-0)
- N-(2,4-Dichlorophenyl)-4-nitrobenzamide (CAS 10282-60-7)
- Liraglutide Impurity 15 TFA Salt (CAS CATO-C4X-199215)
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