53092-85-6 dipotassium 7-(dimethylamino)-N,N-dimethylphenothiazin-3-iminium N,N-dimethyl-7-(methylamino)phenothiazin-3-iminium eosin YS(2-) dichloride CAS 53092-85-6
| CAS No. | 53092-85-6 |
| Molecular Formula | C20H18Br4O5 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
53092-85-6 dipotassium 7-(dimethylamino)-N,N-dimethylphenothiazin-3-iminium N,N-dimethyl-7-(methylamino)phenothiazin-3-iminium eosin YS(2-) dichloride (CAS 53092-85-6) is a high-purity analytical reference standard with the molecular formula C20H18Br4O5C16H24N3SC15H22N3SClNa and a molecular weight of 1283.29 g/mol.
Structurally, 53092-85-6 dipotassium 7-(dimethylamino)-N,N-dimethylphenothiazin-3-iminium N,N-dimethyl-7-(methylamino)phenothiazin-3-iminium eosin YS(2-) dichloride (C20H18Br4O5C16H24N3SC15H22N3SClNa) contains a salt form, a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 20.5, corresponding to approximately 20 ring(s) or double-bond equivalent(s). With a molecular weight of 1283.29 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 53092-85-6 dipotassium 7-(dimethylamino)-N,N-dimethylphenothiazin-3-iminium N,N-dimethyl-7-(methylamino)phenothiazin-3-iminium eosin YS(2-) dichloride 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.
Physical & Chemical Properties
| Molecular Formula | C20H18Br4O5 C16H24N3S C15H22N3S 2*Cl 2*Na |
| Molecular Weight | 1283.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 20.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |
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