1,2,4,6-Tetra-O-acetyl-3-O-benzyl-D-glucopyranose CAS 139563-66-9
| CAS No. | 139563-66-9 |
| Molecular Formula | C21H26O10 |
| Molecular Weight | 438.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1,2,4,6-Tetra-O-acetyl-3-O-benzyl-D-glucopyranose (CAS 139563-66-9), a certified reference material (molecular formula C21H26O10, MW 438.43 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H26O10, 1,2,4,6-Tetra-O-acetyl-3-O-benzyl-D-glucopyranose contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 438.43 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).
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 | C21H26O10 |
| Molecular Weight | 438.43 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related Tetra Standards
- 1-2-4-6-Tetra-O-acetyl-3-O-benzyl-β-D-glucopyranose (CAS 39686-94-7)
- 3-[(2,3,4,6-Tetra-O-acetyl-b-D-galactopyranosyl)thio]-propanoic acid (CAS 79360-05-7)
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- 2,3,4,6-Tetra-O-acetyl-1-bromo-1-deoxy-b-D-galactopyranosyl cyanide (CAS 83497-42-1)
- 3,3＇,5,5＇-Tetra-tert-butyl-4,4＇-stilbenequinone (CAS 809-73-4)
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Recommended Standards
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- Monnieriside G (CAS 1401799-34-5)
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