3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothia-zolidin-3-yl)-N-(4-sulfamoylphenyl)propanamide CAS 307526-97-2
| CAS No. | 307526-97-2 |
| Molecular Formula | C20H19N3O5S3 |
| Molecular Weight | 477.58 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-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothia-zolidin-3-yl)-N-(4-sulfamoylphenyl)propanamide (CAS 307526-97-2), molecular formula C20H19N3O5S3 and molecular weight 477.58 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothia-zolidin-3-yl)-N-(4-sulfamoylphenyl)propanamide (C20H19N3O5S3) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 477.58 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C20H19N3O5S3 |
| Molecular Weight | 477.58 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 3 |
Related Methoxybenzylidene Standards
- (E)-4-(7-(4-methoxybenzylidene)-3-(4-methoxyphenyl)--hexahydro-2H-indazol-2-yl)-4-oxobutanoic acid (CAS 313648-66-7)
- 2-((4,6-Bis(2-(2-methoxybenzylidene)hydrazinyl)-1,3,5-triazin-2-yl)oxy)acetonitrile (CAS 137522-85-1)
- 4-(2-(5-(3-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid (CAS 469876-25-3)
- 4-(2-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid (CAS 303026-03-1)
- 2-(2-Methoxybenzylidene)-8-(2-morpholinoethyl)-8,9-dihydro-7H-benzofuro[7,6-e][1,3]oxazin-3(2H)-one (CAS 929964-81-8)
- (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)
Recommended Standards
- 7-(3,4-Diethoxyphenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 1251698-57-3)
- 4-(4-Butoxybenzoyl)-5-(4-ethylphenyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one (CAS 609796-74-9)
- LysoPE(18:2/0:0) (CAS 85046-18-0)
- 4-Methoxy-N-(2-((2-((4-morpholinophenyl)amino)-2-oxoethyl)thio)phenyl)benzamide (CAS 866049-57-2)
- 3-Methoxy-5-(trifluoromethyl)benzonitrile (CAS 868167-61-7)
- 1-(2-Bromo-4-methylphenyl)-ethylamine hydrochloride (CAS 1273596-50-1)
- 1-(Azepan-1-yl)-2-((3-(3-fluorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)ethan-1-one (CAS 852374-46-0)
- 6-(Trifluoromethyl)pyridin-3-ol (CAS 216766-12-0)
- 3-Chloro-2-(difluoromethoxy)-6-(trifluoromethyl)pyridine (CAS 1214332-87-2)
- 3-(4-Chlorophenyl)-1h-pyrazole-5-carbohydrazide (CAS 890012-50-7)
- (2,5-Dimethoxyphenyl)(pyridin-2-yl)methanone (CAS 64306-56-5)
- (6,7,8,9-Tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-9-yl)methanamine (CAS 1707568-29-3)
- (3R)-3-amino-3-(3-nitrophenyl)propan-1-ol (CAS 1212868-44-4)
- Semaglutide impurity 92 (CAS CATO-C4X-222692)
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