| CAS No. | 2055015-40-0 |
| Molecular Formula | C22H42O12S2 |
| Molecular Weight | 562.69 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.
Acid-PEG4-S-S-PEG4-acid (CAS 2055015-40-0) is a high-purity analytical reference standard with the molecular formula C22H42O12S2 and a molecular weight of 562.69 g/mol.
Structurally, Acid-PEG4-S-S-PEG4-acid (C22H42O12S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 562.69 g/mol, it falls into the moderately-high-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 | C22H42O12S2 |
| Molecular Weight | 562.69 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) | 2.0 |
| CAS Registry Year (est.) | 1997 |
| Sulfur Atoms | 2 |