4-[(5E)-5-[(4-Fluorophenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-4-azatricyclo[5.2.1.0^{2,6}]dec-8-ene-3,5-dione CAS 477766-87-3
| CAS No. | 477766-87-3 |
| Molecular Formula | C19H13FN2O3S2 |
| Molecular Weight | 400.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-[(5E)-5-[(4-Fluorophenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-4-azatricyclo[5.2.1.0^{2,6}]dec-8-ene-3,5-dione is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-[(5E)-5-[(4-Fluorophenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-4-azatricyclo[5.2.1.0^{2,6}]dec-8-ene-3,5-dione (CAS 477766-87-3), molecular formula C19H13FN2O3S2 and molecular weight 400.45 g/mol, is a CATO reference standard with documented purity and traceability.
4-[(5E)-5-[(4-Fluorophenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-4-azatricyclo[5.2.1.0^{2,6}]dec-8-ene-3,5-dione (C19H13FN2O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; 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.
CATO manufactures 4-[(5E)-5-[(4-Fluorophenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-4-azatricyclo[5.2.1.0^{2,6}]dec-8-ene-3,5-dione 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 | C19H13FN2O3S2 |
| Molecular Weight | 400.45 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related E Standards
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Recommended Standards
- 4-((5-(Naphthalen-1-yl)-1,3,4-oxadiazol-2-yl)thio)but-2-yn-1-yl benzoate (CAS 844456-97-9)
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- 3-(2-Methoxyphenyl)-4-((2,4,6-trimethoxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-36-2)
- n'-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-n-formyl-4-methylbenzenesulfonohydrazide (CAS 326015-55-8)
- 1H,1H,4H-Hexafluorobutanol (CAS 60838-59-7)
- (2R)-1-(11bS)-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl-1,2,3,4-tetrahydro-2-methylquinoline (CAS 1186392-32-4)
- 1-[3,5-di(trifluoromethyl)phenyl]-5-methyl-1H-1,2,3-triazole (CAS 646989-38-0)
- Bis[(±)-2-ethylhexyl] Phthalate-3,4,5,6-d4 (CAS CATO-CCHM702120)
- Methyl 6-bromo-3-hydroxy-1H-indole-4-carboxylate (CAS 1227269-22-8)
- 1-(3,4-Dichlorophenyl)cyclopropane-1-methanamine (CAS 243853-07-8)
- (S)-cyclopropyl(4-(difluoromethyl)-3-fluorophenyl)methanamine (CAS 1212914-23-2)
- Ciguatoxin 2 (CAS 142185-85-1)
- Glycerol Impurity 47 (CAS CATO-C4X-217147)
- Peptide YY (3-36) (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 126339-09-1)
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