3-(Pyridin-2-yl)-5-(thiophen-2-ylmethylene)-2-thioxothiazolidin-4-one CAS 690643-79-9
| CAS No. | 690643-79-9 |
| Molecular Formula | C13H8N2OS3 |
| Molecular Weight | 304.41 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.
3-(Pyridin-2-yl)-5-(thiophen-2-ylmethylene)-2-thioxothiazolidin-4-one (CAS 690643-79-9), molecular formula C13H8N2OS3 and molecular weight 304.41 g/mol, is a CATO reference standard with documented purity and traceability.
3-(Pyridin-2-yl)-5-(thiophen-2-ylmethylene)-2-thioxothiazolidin-4-one (C13H8N2OS3) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 | C13H8N2OS3 |
| Molecular Weight | 304.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
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Recommended Standards
- 3-(Benzylthio)-5,6-dihydrobenzo[h]cinnoline (CAS 478047-88-0)
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- 3-(2-Aminoethyl)-5-[(4-tert-butylphenyl)methylidene]-1,3-thiazolidine-2,4-dione (CAS 341004-46-4)
- 4-(Tert-butyl)-N-(pyridin-4-ylmethyl)benzenesulfonamide (CAS 660436-76-0)
- 5-(4-Chlorophenethyl)-1,3,4-thiadiazol-2-amine (CAS 100988-18-9)
- 2-fluoro-6-oxo-5H-benzo[b][1,4]benzothiazepine-3-carboxylic acid (CAS 1809143-47-2)
- (2S,3R)-Methyl 3-aminopyrrolidine-2-carboxylate (CAS 169061-54-5)
- 3-Cyclopropyl-4,5-Dihydro-1H-Pyrazol-5-One (CAS 26502-92-1)
- N-(4-Phenyl-1H-pyrazol-3-yl)formamide (CAS 62538-14-1)
- 2-(5-(4-Methoxyphenyl)-1H-pyrazol-1-yl)ethanamine (CAS 1708037-86-8)
- SKF 81297C (CAS 67287-39-2)
- 5-Chloro-1-(4-methylphenyl)-1h-1,2,3,4-tetrazole (CAS 36951-51-6)
- Merrifield resin (200-400 mesh, 1.10-1.45 mmol/g) (CAS 55844-94-5)
- Mitogenic Pentapeptide (CAS 87173-03-3)
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