(2E,5E)-5-[(Dimethylamino)methylidene]-3-methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one CAS 338417-54-2
| CAS No. | 338417-54-2 |
| Molecular Formula | C8H11N3O3S |
| Molecular Weight | 229.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2E,5E)-5-[(Dimethylamino)methylidene]-3-methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one 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.
(2E,5E)-5-[(Dimethylamino)methylidene]-3-methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one (CAS 338417-54-2), molecular formula C8H11N3O3S and molecular weight 229.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H11N3O3S, (2E,5E)-5-[(Dimethylamino)methylidene]-3-methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 229.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C8H11N3O3S |
| Molecular Weight | 229.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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