3-(1,1-Dioxidotetrahydrothiophen-3-yl)-5-(1-methyl-2-oxoindolin-3-ylidene)-2-thioxothiazolidin-4-one CAS 312938-47-9
| CAS No. | 312938-47-9 |
| Molecular Formula | C16H14N2O4S3 |
| Molecular Weight | 394.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(1,1-Dioxidotetrahydrothiophen-3-yl)-5-(1-methyl-2-oxoindolin-3-ylidene)-2-thioxothiazolidin-4-one (CAS 312938-47-9), a certified reference material (molecular formula C16H14N2O4S3, MW 394.49 g/mol) for analytical method development and quality control.
3-(1,1-Dioxidotetrahydrothiophen-3-yl)-5-(1-methyl-2-oxoindolin-3-ylidene)-2-thioxothiazolidin-4-one (C16H14N2O4S3) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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.
CATO manufactures 3-(1,1-Dioxidotetrahydrothiophen-3-yl)-5-(1-methyl-2-oxoindolin-3-ylidene)-2-thioxothiazolidin-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H14N2O4S3 |
| Molecular Weight | 394.49 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
Related Dioxidotetrahydrothiophen Standards
- 2-((1,1-Dioxidotetrahydrothiophen-3-yl)amino)-2-oxoethyl 2-(1,3-dioxooctahydro-2H-isoindol-2-yl)acetate (CAS 1005057-81-7)
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- 5-((1,1-Dioxidotetrahydrothiophen-3-yl)sulfonyl)-2-methylbenzenesulfonyl chloride (CAS 951900-49-5)
- 1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-methyl-N-propyl-6-(thiophen-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide (CAS 1021055-13-9)
- N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-methyl-5-(2-nitrophenyl)furan-2-carboxamide (CAS 951900-89-3)
- N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-methyl-5-((o-tolyloxy)methyl)furan-2-carboxamide (CAS 951900-93-9)
Recommended Standards
- rac-Tamsulosin EP Impurity D (CAS 94666-11-2)
- 4-((Anthracen-9-ylmethylene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-61-7)
- 2-Ethyl-8,9-dimethoxy-5-((4-methylbenzyl)thio)-[1,2,4]triazolo[1,5-c]quinazoline (CAS 860650-28-8)
- 4-((Phenylsulfonyl)methyl)-6-(piperidin-1-yl)-2-(pyridin-4-yl)pyrimidine (CAS 303147-60-6)
- Dodecanoic acid, 2-ethylhexyl ester (CAS 20292-08-4)
- tert-Butyl 6-(2-ethoxy-2-oxoethyl)-4H-thieno[3,2-b]pyrrole-4-carboxylate (CAS 171513-19-2)
- N-(cyclohexylmethyl)-O-methylhydroxylamine (CAS 1549665-47-5)
- 2-(2-Fluoro-6-(methoxymethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1599432-40-2)
- 2,5-Dimethylnicotinaldehyde (CAS 1211522-52-9)
- 4-(2-Bromoacetyl)phenyl anthracene-9-carboxylate (CAS 94345-04-7)
- Dotinurad Impurity 246 (CAS CATO-C4X-2494246)
- 5-((4-Fluorophenyl)amino)-4-(hydroxymethyl)-2H-pyrrol-2-one (CAS 61610-43-3)
- 1707358-28-8 3-Bromo-4-(1,1,1,3,3,3-hexafluoropropan-2-yloxy)benzonitrile (CAS 1707358-28-8)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com