| CAS No. | 83509-04-0 |
| Molecular Formula | C6H9O4 |
| Molecular Weight | 145.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(R)-4-methoxy-3-methyl-4-oxobutanoate (CAS 83509-04-0), molecular formula C6H9O4 and molecular weight 145.13 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, (R)-4-methoxy-3-methyl-4-oxobutanoate is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 145.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
As a certified reference material (CRM), (R)-4-methoxy-3-methyl-4-oxobutanoate 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.
| Molecular Formula | C6H9O4 |
| Molecular Weight | 145.13 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) | 2.5 |
| CAS Registry Year (est.) | 1980 |