2-O-β-D-Glucopyranosyl-L-ascorbic acid CAS 562043-82-7
| CAS No. | 562043-82-7 |
| Molecular Formula | C12H18O11 |
| Molecular Weight | 338.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-O-β-D-Glucopyranosyl-L-ascorbic acid (CAS 562043-82-7), a certified reference material (molecular formula C12H18O11, MW 338.26 g/mol) for analytical method development and quality control.
Structurally, 2-O-β-D-Glucopyranosyl-L-ascorbic acid (C12H18O11) contains a carbohydrate-derived structure. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 338.26 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.
As a certified reference material (CRM), 2-O-β-D-Glucopyranosyl-L-ascorbic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H18O11 |
| Molecular Weight | 338.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
Recommended Standards
- 2-O-α-D-Glucopyranosyl-L-ascorbic Acid (CAS 129499-78-1)
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- Peptide Impurity 06 (CAS CATO-CPTD788806)
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