(2E,5E)-5-[(2-Hydroxyphenyl)methylidene]-3-methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one CAS 338750-91-7
| CAS No. | 338750-91-7 |
| Molecular Formula | C12H10N2O4S |
| Molecular Weight | 278.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H10N2O4S, (2E,5E)-5-[(2-Hydroxyphenyl)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 278.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies (2E,5E)-5-[(2-Hydroxyphenyl)methylidene]-3-methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one (CAS 338750-91-7), a certified reference material (molecular formula C12H10N2O4S, MW 278.28 g/mol) for analytical method development and quality control.
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.
CATO manufactures (2E,5E)-5-[(2-Hydroxyphenyl)methylidene]-3-methyl-2-(nitromethylidene)-1,3-thiazolidin-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H10N2O4S |
| Molecular Weight | 278.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-Nitro-4-aminodiphenyl Sulfone (CAS 1948-92-1)
- (5E)-5-{[(2H-1,3-benzodioxol-5-yl)amino]methylidene}-3-methyl-1,3-thiazolidine-2,4-dione (CAS 866136-94-9)
- benzyl (3R,4R)-4-azido-3-fluoro-piperidine-1-carboxylate (CAS 1932616-65-3)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com