4-(5-(3-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)butanoic acid CAS 381691-83-4
| CAS No. | 381691-83-4 |
| Molecular Formula | C15H15NO4S2 |
| Molecular Weight | 337.41 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.
CATO supplies 4-(5-(3-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)butanoic acid (CAS 381691-83-4), a certified reference material (molecular formula C15H15NO4S2, MW 337.41 g/mol) for analytical method development and quality control.
4-(5-(3-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)butanoic acid (C15H15NO4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C15H15NO4S2 |
| Molecular Weight | 337.41 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methoxybenzylidene Standards
- (E)-4-(5-(2-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)butanoic acid (CAS 300826-68-0)
- (Z)-4-(5-(4-methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)butanoic acid (CAS 614736-75-3)
- (E)-8-(4-methoxybenzylidene)-4-(trifluoromethyl)-5,6,7,8-tetrahydroquinazolin-2(3H)-one (CAS 318258-37-6)
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- 3-(4-Methoxybenzylidene)-5-(5,6,7,8-tetrahydronaphthalen-2-yl)furan-2(3H)-one (CAS 65406-85-1)
- 4-(4-Methoxybenzylidene)-2-(4-nitrophenyl)oxazol-5(4H)-one (CAS 40108-81-4)
- (Z)-3-(5-(4-methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanoic acid (CAS 300817-71-4)
Recommended Standards
- 3-Quinuclidinyl Benzilate (CAS 6581-06-2)
- 4-[(5Z)-5-[(4-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]butanoic acid (CAS 380569-12-0)
- 3-Phenyl-1-(p-tolyl)-1,4-dihydrochromeno[4,3-b]pyrrole (CAS 654651-10-2)
- 4-[2-[[(1,1-Dimethylethoxy)carbonyl]methylamino]ethoxy]benzenepropanoic Acid Methyl Ester (CAS 850723-98-7)
- 4-Chloro-6-(4-ethylpiperazin-1-yl)pyrimidine (CAS 1247461-83-1)
- N-(2-chlorophenyl)-4,4-dimethyl-4,5-dihydro-1,3-thiazol-2-amine (CAS 725710-46-3)
- N-Mesitylformamide (CAS 6784-26-5)
- 46L30W9XBB 33538-71-5 Venturicidin A Venturicidin B, 3'-carbamate A-130 AA-0368 EINECS 251-568-3 Venturidicin A UNII-46L30W9XBB (CAS 33538-71-5)
- 5-Chloro-1-(2-methylbenzyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1355231-12-7)
- Pranoprofen Impurity 47 (CAS CATO-C4X-181147)
- 1,1,2,2-Tetrafluoro-1-(2-methoxyethoxy)ethane (CAS 757-17-5)
- 4,4'-(5,5-Difluoro-1,3,7,9-tetramethyl-10-phenyl-5H-4l4,5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine-2,8-diyl)dibenzaldehyde (CAS 2153529-29-2)
- 1-Methoxyanthracene-9,10-dione (CAS 82-39-3)
- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
Why CATO?
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