| CAS No. | 105582-58-9 |
| Molecular Formula | H3[18O]3P |
| Molecular Weight | 88.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 88.00 g/mol gives Phosphonic acid-<SUP>18</SUP>O<SUB>3</SUB> distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Phosphonic acid-<SUP>18</SUP>O<SUB>3</SUB> (CAS 105582-58-9), a certified reference material (molecular formula H3[18O]3P, MW 88.00 g/mol) for analytical method development and quality control.
Structurally, Phosphonic acid-<SUP>18</SUP>O<SUB>3</SUB> (H3[18O]3P) contains organophosphorus functionality. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 88.00 g/mol, it falls into the low-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 | H3[18O]3P |
| Molecular Weight | 88.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1987 |