Sodium (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(naphthalen-2-yloxy)tetrahydro-2H-pyran-2-carboxylate CAS 20838-64-6
| CAS No. | 20838-64-6 |
| Molecular Formula | C16H15O7 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sodium (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(naphthalen-2-yloxy)tetrahydro-2H-pyran-2-carboxylate (CAS 20838-64-6), a certified reference material (molecular formula C16H15O7Na, MW 342.28 g/mol) for analytical method development and quality control.
Structurally, Sodium (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(naphthalen-2-yloxy)tetrahydro-2H-pyran-2-carboxylate (C16H15O7Na) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.5, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 342.28 g/mol, it falls into the moderately-high-molecular-weight range. 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).
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.
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 | C16H15O7 Na |
| Molecular Weight | 342.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Recommended Standards
- 1-(5-Chloro-3-((ethylthio)methyl)-2-hydroxyphenyl)ethan-1-one (CAS 1157730-99-8)
- Potassium 2-benzyl-1,3-dioxo-2,3-dihydro-1H-benzo[de]isoquinoline-5-sulfonate (CAS 1419321-16-6)
- 4-Methylumbelliferyl 4-Deoxy-b-D-chitobiose Peracetate (CAS 1228931-52-9)
- Sodium Bromite (~80%) (CAS 7486-26-2)
- 2,3-Difluoro-5-(methyl)thiophenol (CAS 1806397-05-6)
- di(pyridin-3-yl)methane (CAS 78210-43-2)
- 2-(1-Phenylethylidene)hydrazine-1-carboxamide (CAS 2492-30-0)
- 2-(p-Tolyl)isonicotinamide (CAS 1010075-63-4)
- 1-Cyclopentyl-3-methyl-1h-pyrazole-4-sulfonyl chloride (CAS 1006495-77-7)
- Peptide-GMF (CAS CATO-CPTD788469)
Why CATO?
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