| CAS No. | 28212-68-2 |
| Molecular Formula | C12H22O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 28212-68-2 CTK1A1171 Poly(oxy-1,4-phenyleneoxy-1,4-phenylenesulfonyl-1,4-phenylene).
28212-68-2 CTK1A1171 Poly(oxy-1,4-phenyleneoxy-1,4-phenylenesulfonyl-1,4-phenylene) (CAS 28212-68-2) is a high-purity analytical reference standard with the molecular formula C12H22O4SC6H12O2 and a molecular weight of 378.52 g/mol.
28212-68-2 CTK1A1171 Poly(oxy-1,4-phenyleneoxy-1,4-phenylenesulfonyl-1,4-phenylene) (C12H22O4SC6H12O2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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), 28212-68-2 CTK1A1171 Poly(oxy-1,4-phenyleneoxy-1,4-phenylenesulfonyl-1,4-phenylene) 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 | C12H22O4S C6H12O2 |
| Molecular Weight | 378.52 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.) | 1965 |
| Sulfur Atoms | 1 |