1,2,3,5-Tetra-O-acetyl-D-xylofuranose CAS 42927-46-8
| CAS No. | 42927-46-8 |
| Molecular Formula | C13H18O9 |
| Molecular Weight | 318.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1,2,3,5-Tetra-O-acetyl-D-xylofuranose (CAS 42927-46-8), molecular formula C13H18O9 and molecular weight 318.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1,2,3,5-Tetra-O-acetyl-D-xylofuranose (C13H18O9) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 318.28 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).
As a certified reference material (CRM), 1,2,3,5-Tetra-O-acetyl-D-xylofuranose 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 | C13H18O9 |
| Molecular Weight | 318.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
Related Tetra Standards
- 1-2-3-4-Tetra-O-acetyl-α-D-arabinopyranose (CAS 108646-05-5)
- 1,2,3,4-Tetra-O-acetyl-b-L-xylopyranose (CAS 78088-17-2)
- 1,2,3,4-Tetra-O-acetyl-D-xylopyranose (CAS 62929-49-1)
- 1,2,3,5-Tetra-O-acetyl-a-D-arabinofuranose (CAS 43225-70-3)
- 1,2,3,5-Tetra-O-acetyl-alpha-L-arabinofuranose (CAS 79120-81-3)
- 1-2-3-4-Tetra-O-acetyl-L-lyxopyranose (CAS 99880-95-2)
- 1-2-3-4-Tetra-O-acetyl-β-D-ribopyranose (CAS 4049-34-7)
- 1,2,3,4-Tetra-O-acetyl-β-D-xylopyranose (CAS 4049-33-6)
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