5-[(2-Hydroxy-3-methoxyphenyl)methylene]-2,4-thiazolidinedione CAS 312944-88-0
| CAS No. | 312944-88-0 |
| Molecular Formula | C11H9NO4S |
| Molecular Weight | 251.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-[(2-Hydroxy-3-methoxyphenyl)methylene]-2,4-thiazolidinedione 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.
5-[(2-Hydroxy-3-methoxyphenyl)methylene]-2,4-thiazolidinedione (CAS 312944-88-0) is a high-purity analytical reference standard with the molecular formula C11H9NO4S and a molecular weight of 251.26 g/mol.
Based on its molecular formula C11H9NO4S, 5-[(2-Hydroxy-3-methoxyphenyl)methylene]-2,4-thiazolidinedione 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 251.26 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9NO4S |
| Molecular Weight | 251.26 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 5-(3-Hydroxy-4-methoxybenzylidene)thiazolidine-2,4-dione (CAS 184840-76-4)
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Recommended Standards
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- 4-Methoxy-N-(3-oxo-2,3-dihydro-1,2,4-thiadiazol-5-yl)benzamide (CAS 69775-49-1)
- Diethyl(3-hydroxy-4-(prop-2-yn-1-ylamino)phenyl)phosphine oxide (CAS 2903922-93-8)
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- 4-Amino-2-(methylthio)thiazole-5-carbaldehyde (CAS 120891-09-0)
- 3-(2-Methylphenyl)acryloyl chloride (CAS 15873-40-2)
- 2-Isopropyl-4,5,6,7-tetrahydrobenzofuran (CAS 84521-68-6)
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- Liraglutide(10-22)TFA Salt (CAS CATO-C4X-199211)
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