4-(2-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid CAS 303026-03-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303026-03-1 |
| Molecular Formula | C20H16N2O5S2 |
| Molecular Weight | 428.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid (CAS 303026-03-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16N2O5S2. Molecular weight: 428.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H16N2O5S2 |
| Molecular Weight | 428.48 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methoxybenzylidene Standards
- 4-(2-(5-(3-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid (CAS 469876-25-3)
- 2-((4,6-Bis(2-(2-methoxybenzylidene)hydrazinyl)-1,3,5-triazin-2-yl)oxy)acetonitrile (CAS 137522-85-1)
- 2-(2-Methoxybenzylidene)-8-(2-morpholinoethyl)-8,9-dihydro-7H-benzofuro[7,6-e][1,3]oxazin-3(2H)-one (CAS 929964-81-8)
- (E)-4-(7-(4-methoxybenzylidene)-3-(4-methoxyphenyl)--hexahydro-2H-indazol-2-yl)-4-oxobutanoic acid (CAS 313648-66-7)
- (Z)-(2-((2-(4-Methoxybenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)acetyl)-D-alanine (CAS 956947-68-5)
- 8-(4-Methoxybenzylidene)-4-(4-methoxyphenyl)-3,4,5,6,7,8-hexahydroquinazoline-2(1H)-thione (CAS 65331-30-8)
- N'-(4-Methoxybenzylidene)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide (CAS 332390-41-7)
- 5-((Z)-4-Methoxybenzylidene)-3-((4-methoxybenzylidene)amino)-2-thioxothiazolidin-4-one (CAS 94258-53-4)
Recommended Standards
- 5-(3-Ethoxy-4-((4-fluorobenzyl)oxy)benzylidene)-1,3-dimethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione (CAS 6312-53-4)
- 3,3'-(2,3,5,6-Tetramethoxy-1,4-phenylene)bis(1H-indole) (CAS 287117-66-2)
- 5-(4-Butoxyphenyl)-N'-((2-hydroxynaphthalen-1-yl)methylene)-1H-pyrazole-3-carbohydrazide (CAS 634899-32-4)
- tert-Butyl 3-(((6-chloro-2-(methylthio)pyrimidin-4-yl)amino)methyl)piperidine-1-carboxylate (CAS 1261235-93-1)
- 1-[(4-Hydroxyphenyl)methyl]cyclopropane-1-carboxylic acid (CAS 1512778-52-7)
- 2-(Methoxymethyl)pyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 739365-05-0)
- 2-Chloro-N-(pyridin-3-ylmethyl)pyrimidin-4-amine (CAS 1247084-80-5)
- 5-Fluoro-2,3-dimethylindole (CAS 526-47-6)
- 6-Bromo-2-(trifluoromethyl)benzo[b]thiophene (CAS 1709825-02-4)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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