| CAS No. | 4923-84-6 |
| Molecular Formula | C4H11O3P |
| Molecular Weight | 138.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
CATO supplies 4923-84-6 CTK1D7320 dioxido-oxo-tert-butyl-phosphorane (CAS 4923-84-6), a certified reference material (molecular formula C4H11O3P, MW 138.10 g/mol) for analytical method development and quality control.
Structurally, 4923-84-6 CTK1D7320 dioxido-oxo-tert-butyl-phosphorane (C4H11O3P) contains a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of -0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 138.10 g/mol, it falls into the low-molecular-weight range.
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 | C4H11O3P |
| Molecular Weight | 138.10 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) | -0.5 |
| CAS Registry Year (est.) | 1958 |