4,5-Dihydroxypentane-2,3-dione CAS 142937-55-1
| CAS No. | 142937-55-1 |
| Molecular Formula | C5H8O4 |
| Molecular Weight | 132.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dihydroxypentane-2,3-dione (C5H8O4) contains a carbohydrate-derived structure. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
4,5-Dihydroxypentane-2,3-dione (CAS 142937-55-1), molecular formula C5H8O4 and molecular weight 132.11 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4,5-Dihydroxypentane-2,3-dione 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 | C5H8O4 |
| Molecular Weight | 132.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1997 |
Related Dihydroxypentane Standards
Recommended Standards
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- 1,7-Dihydroxy-4-methoxy-9H-xanthen-9-one (CAS 87339-76-2)
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