(2E)-3-Methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one CAS 338417-34-8
| CAS No. | 338417-34-8 |
| Molecular Formula | C5H6N2O3S |
| Molecular Weight | 174.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(2E)-3-Methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one (CAS 338417-34-8), molecular formula C5H6N2O3S and molecular weight 174.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2E)-3-Methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one (C5H6N2O3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 174.18 g/mol, it falls into the medium-molecular-weight range. 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).
As a certified reference material (CRM), (2E)-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.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O3S |
| Molecular Weight | 174.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
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