| CAS No. | 420095-74-5 |
| Molecular Formula | [13C]5H6DO3 Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-keto-3-methylbutyric acid-13c5,3-d1 sodium salt 420095-74-5.
2-keto-3-methylbutyric acid-13c5,3-d1 sodium salt 420095-74-5 (CAS 420095-74-5), molecular formula [13C]5H6DO3 Na and molecular weight 91.06 g/mol, is a CATO reference standard with documented purity and traceability.
2-keto-3-methylbutyric acid-13c5,3-d1 sodium salt 420095-74-5 ([13C]5H6DO3 Na) contains deuterium isotope labeling. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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 | [13C]5H6DO3 Na |
| Molecular Weight | 91.06 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) | -1.0 |
| CAS Registry Year (est.) | 2025 |