(2R,3S,4R,5R,6S)-5-acetamido-2-(acetoxymethyl)-6-(4-formylphenoxy)tetrahydro-2H-pyran-3,4-diyl diacetate CAS 70622-68-3
| CAS No. | 70622-68-3 |
| Molecular Formula | C21H25NO10 |
| Molecular Weight | 451.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 451.42 g/mol gives (2R,3S,4R,5R,6S)-5-acetamido-2-(acetoxymethyl)-6-(4-formylphenoxy)tetrahydro-2H-pyran-3,4-diyl diacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2R,3S,4R,5R,6S)-5-acetamido-2-(acetoxymethyl)-6-(4-formylphenoxy)tetrahydro-2H-pyran-3,4-diyl diacetate (CAS 70622-68-3), molecular formula C21H25NO10 and molecular weight 451.42 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (2R,3S,4R,5R,6S)-5-acetamido-2-(acetoxymethyl)-6-(4-formylphenoxy)tetrahydro-2H-pyran-3,4-diyl diacetate (C21H25NO10) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (2R,3S,4R,5R,6S)-5-acetamido-2-(acetoxymethyl)-6-(4-formylphenoxy)tetrahydro-2H-pyran-3,4-diyl diacetate 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 | C21H25NO10 |
| Molecular Weight | 451.42 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-Formylphenyl 2-acetamido-3-4-6-tri-O-acetyl-2-deoxy-β-D-glucopyranoside (CAS 15430-77-0)
- (Z)-{[2-(2H-1,3-benzodioxol-5-yl)cyclopropyl](4-methoxyphenyl)methylidene}amino 2,4-difluorobenzoate (CAS 338749-18-1)
- 2-{[(3,4-dichlorophenyl)methyl]sulfanyl}-4,5-diphenyl-1-(prop-2-en-1-yl)-1H-imidazole (CAS 339277-06-4)
- Cabotegravir impurity 20 (CAS CATO-C4X-287620)
- N-((Tetrahydrofuran-2-yl)methyl)-[1,3]dioxolo[4,5-g]quinolin-8-amine (CAS 500214-41-5)
- 3-Bromo-5-fluoro-2-nitropyridine (CAS 1258544-91-0)
- N-Benzylquinolin-8-amine (CAS 37385-01-6)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)ethan-1-amine (CAS 326809-08-9)
- Capivasertib Impurity 9 (CAS CATO-C4X-33129)
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- 2-(2,3-Dihydrobenzofuran-5-yl)-2-hydroxyacetic acid (CAS 69999-15-1)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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