| CAS No. | 2028281-89-0 |
| Molecular Formula | C19H41O7P |
| Molecular Weight | 412.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies m-PEG4-C6-phosphonic acid ethyl ester (CAS 2028281-89-0), a certified reference material (molecular formula C19H41O7P, MW 412.50 g/mol) for analytical method development and quality control.
Owing to a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, m-PEG4-C6-phosphonic acid ethyl ester is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 412.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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.
As a certified reference material (CRM), m-PEG4-C6-phosphonic acid ethyl ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C19H41O7P |
| Molecular Weight | 412.50 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1996 |