(2R,3S,4R,5R,6R)-2-(acetoxymethyl)-5-(1,3-dioxoisoindolin-2-yl)-6-hydroxytetrahydro-2H-pyran-3,4-diyl diacetate CAS 72858-55-0
| CAS No. | 72858-55-0 |
| Molecular Formula | C20H21NO10 |
| Molecular Weight | 435.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, (2R,3S,4R,5R,6R)-2-(acetoxymethyl)-5-(1,3-dioxoisoindolin-2-yl)-6-hydroxytetrahydro-2H-pyran-3,4-diyl diacetate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 435.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(2R,3S,4R,5R,6R)-2-(acetoxymethyl)-5-(1,3-dioxoisoindolin-2-yl)-6-hydroxytetrahydro-2H-pyran-3,4-diyl diacetate (CAS 72858-55-0) is a high-purity analytical reference standard with the molecular formula C20H21NO10 and a molecular weight of 435.38 g/mol.
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 | C20H21NO10 |
| Molecular Weight | 435.38 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2R,3S,4R,5R)-2-(acetoxymethyl)-5-(1,3-dioxoisoindolin-2-yl)-6-hydroxytetrahydro-2H-pyran-3,4-diyl diacetate (CAS 87190-66-7)
- Methyl 2-(5-cyano-2,4-dioxo-3-(3-(trifluoromethyl)benzyl)-3,4-dihydropyrimidin-1(2H)-yl)thiophene-3-carboxylate (CAS 343374-93-6)
- Dolutegravir M3 (CAS 1485692-24-7)
- (2S,3S,4R,5R)-2-(7-Acetamido-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-5-(acetoxymethyl)tetrahydrofuran-3,4-diyl diacetate (CAS 13351-66-1)
- Ethyl 4-methyl-6-phenylnicotinate (CAS 1417792-29-0)
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- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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