(2S,3R,4S,5R,6R)-3,4,5,6-tetraacetoxytetrahydro-2H-pyran-2-carboxylic acid CAS 95722-13-7
| CAS No. | 95722-13-7 |
| Molecular Formula | C14H18O11 |
| Molecular Weight | 362.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2S,3R,4S,5R,6R)-3,4,5,6-tetraacetoxytetrahydro-2H-pyran-2-carboxylic acid (CAS 95722-13-7) is a high-purity analytical reference standard with the molecular formula C14H18O11 and a molecular weight of 362.29 g/mol.
The molecular framework of (2S,3R,4S,5R,6R)-3,4,5,6-tetraacetoxytetrahydro-2H-pyran-2-carboxylic acid (C14H18O11) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), (2S,3R,4S,5R,6R)-3,4,5,6-tetraacetoxytetrahydro-2H-pyran-2-carboxylic 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 | C14H18O11 |
| Molecular Weight | 362.29 g/mol |
| Appearance | Off-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, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
Recommended Standards
- (2S,3S,4S,5S,6R)-3,4,5,6-Tetraacetoxytetrahydro-2H-pyran-2-carboxylic acid (CAS 154460-56-7)
- (2S,3S,4S,5R,6S)-3,4,5,6-tetraacetoxytetrahydro-2H-pyran-2-carboxylic acid (CAS 62133-77-1)
- tert-Butyl (1-(4-bromothiazol-2-yl)piperidin-4-yl)carbamate (CAS 1289050-83-4)
- (E)-4-(4-chlorobenzyl)-5-(4-chlorophenyl)-1-(dimethylamino)pent-1-en-3-one (CAS 478257-63-5)
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- Carteolol Impurity 29 (CAS 23674-56-8)
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