| CAS No. | 2055041-18-2 |
| Molecular Formula | C26H48O10S |
| Molecular Weight | 552.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 552.72 g/mol gives Propargyl-PEG4-S-PEG4-Boc distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Propargyl-PEG4-S-PEG4-Boc (CAS 2055041-18-2), molecular formula C26H48O10S and molecular weight 552.72 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Propargyl-PEG4-S-PEG4-Boc (C26H48O10S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), Propargyl-PEG4-S-PEG4-Boc 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 | C26H48O10S |
| Molecular Weight | 552.72 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Sulfur Atoms | 1 |