| CAS No. | 122-52-1 |
| Molecular Formula | C6H15O3P |
| Molecular Weight | 166.16 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 Triethyl phosphite (CAS 122-52-1), a certified reference material (molecular formula C6H15O3P, MW 166.16 g/mol) for analytical method development and quality control.
Structurally, Triethyl phosphite (C6H15O3P) 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 166.16 g/mol, it falls into the medium-molecular-weight range.
CATO manufactures Triethyl phosphite under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C6H15O3P |
| Molecular Weight | 166.16 g/mol |
| Purity | >95% |
| 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.) | 1957 |