5-{[4-(difluoromethoxy)-3-methoxyphenyl]methylidene}-1,3-thiazolidine-2,4-dione CAS 894259-20-2
| CAS No. | 894259-20-2 |
| Molecular Formula | C12H9F2NO4S |
| Molecular Weight | 301.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
5-{[4-(difluoromethoxy)-3-methoxyphenyl]methylidene}-1,3-thiazolidine-2,4-dione (CAS 894259-20-2), molecular formula C12H9F2NO4S and molecular weight 301.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H9F2NO4S, 5-{[4-(difluoromethoxy)-3-methoxyphenyl]methylidene}-1,3-thiazolidine-2,4-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 301.27 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 | C12H9F2NO4S |
| Molecular Weight | 301.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-((5-Amino-1h-1,2,4-triazol-3-yl)thio)butanoic acid (CAS 1249268-97-0)
- 5-Bromo-6-isopropoxynicotinic acid (CAS 1311275-95-2)
- 2H,3H-[1,4]dioxino[2,3-b]pyridin-6-amine hydrochloride (CAS 1955530-64-9)
- (2-isopropylthiazol-5-yl)methanol (CAS 165315-76-4)
- 1h-imidazole,4-(methylthio)-(9ci) 4-(Methylthio)-1H-imidazole 4-(methylthio)imidazole, 97% 5-(methylthio)-1h-imidazole 83553-60-0 (CAS 83553-60-0)
- 2-Amino-7-bromopyrido[3,2-d]pyrimidin-4-ol (CAS 1431937-20-0)
- 3-(tert-butylthio)-2-pyridinamine 3-tert-butylsulfanylpyridin-2-amine 551950-47-1 A830519 (CAS 551950-47-1)
- 3-(p-Chlorophenethyl)picolinonitrile (CAS 31255-55-7)
- Betahistine Impurity 01 DiHCl (CAS 101252-40-8)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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