Diethyl (3-methyl-2-oxobutyl)phosphonate CAS 7751-67-9
| CAS No. | 7751-67-9 |
| Molecular Formula | C9H19O4P |
| Molecular Weight | 222.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Diethyl (3-methyl-2-oxobutyl)phosphonate 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.
Diethyl (3-methyl-2-oxobutyl)phosphonate (CAS 7751-67-9) is a high-purity analytical reference standard with the molecular formula C9H19O4P and a molecular weight of 222.22 g/mol.
Owing to a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, Diethyl (3-methyl-2-oxobutyl)phosphonate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 222.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H19O4P |
| Molecular Weight | 222.22 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 1959 |
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