(2S,4S,5R,6R)-5-acetamido-6-((1R,2S)-3-amino-1,2,3-trihydroxypropyl)-2,4-dihydroxytetrahydro-2H-pyran-2-carboxylic acid CAS 112037-47-5
| CAS No. | 112037-47-5 |
| Molecular Formula | C11H20N2O9 |
| Molecular Weight | 324.28 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.
(2S,4S,5R,6R)-5-acetamido-6-((1R,2S)-3-amino-1,2,3-trihydroxypropyl)-2,4-dihydroxytetrahydro-2H-pyran-2-carboxylic acid (CAS 112037-47-5), molecular formula C11H20N2O9 and molecular weight 324.28 g/mol, is a CATO reference standard with documented purity and traceability.
(2S,4S,5R,6R)-5-acetamido-6-((1R,2S)-3-amino-1,2,3-trihydroxypropyl)-2,4-dihydroxytetrahydro-2H-pyran-2-carboxylic acid (C11H20N2O9) contains a carbohydrate-derived structure, an amide group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C11H20N2O9 |
| Molecular Weight | 324.28 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
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