| CAS No. | 133318-40-8 |
| Molecular Formula | C7H10O5 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 192.17 g/mol gives Diethyl 2-oxomalonate hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Diethyl 2-oxomalonate hydrate (CAS 133318-40-8), molecular formula C7H10O5H2O and molecular weight 192.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Diethyl 2-oxomalonate hydrate (C7H10O5H2O) contains a carbohydrate-derived structure. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 192.17 g/mol, it falls into the medium-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C7H10O5 H2O |
| Molecular Weight | 192.17 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.) | 1995 |