(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(benzyloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 83113-54-6
| CAS No. | 83113-54-6 |
| Molecular Formula | C21H26O10 |
| Molecular Weight | 438.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 438.43 g/mol gives (2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(benzyloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(benzyloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 83113-54-6), molecular formula C21H26O10 and molecular weight 438.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(benzyloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (C21H26O10) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 438.43 g/mol, it falls into the moderately-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.
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 | 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.) | 1980 |
Recommended Standards
- 2-(3-(4,5-Diphenyl-[2,4'-bioxazol]-5'-yl)phenoxy)acetic acid (CAS 152575-66-1)
- [1,1':4',1'':4'',1'''-quaterphenyl]-3,4''',5-tricarboxylic acid (CAS 2005517-60-0)
- 4-Methylphenyl tetra-O-acetyl-beta-D-glucopyranoside (CAS 14581-78-3)
- 1-[(methylcarbamoyl)amino]-1-oxopropan-2-yl 4-{[(4-methyl-2-oxo-2h-chromen-7-yl)oxy]methyl}benzoate (CAS 937891-74-2)
- Diethyl (3,3,3-trifluoro-2-oxopropyl)phosphonate (CAS 85234-36-2)
- Thiazolo[4,5-h]isoquinolin-2-amine (CAS 35317-80-7)
- (5Z)-7-[(2R)-3,5-Dihydroxy-2-[(1E)-3-hydroxy-4-phenoxybut-1-en-1-yl]cyclopentyl]-N-ethylhept-5-enamide (CAS 951319-59-8)
- (4-Ethoxycarbonimidoyl-phenyl)-acetic acid ethyl ester; hydrochloride (CAS 52798-05-7)
- 2-(Acetamidomethyl)pyridine 1-oxide (CAS 53175-17-0)
- Ethyl 2-{3-[(2,4-dichlorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydropyridin-1-yl}acetate (CAS 478045-88-4)
- 2-(5,6-Difluorobenzo[b]thiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2096331-57-4)
- Ethyl 2-((2-(2,3-dimethoxyphenyl)-4-oxo-4H-chromen-3-yl)oxy)acetate (CAS 331459-67-7)
- N-(2-Picolinoylphenyl)benzamide (CAS 91025-05-7)
- Semaglutide impurity 103 (CAS 1446013-07-5)
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