(5E)-5-(4-Fluorobenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one CAS 325994-11-4
| CAS No. | 325994-11-4 |
| Molecular Formula | C16H11FN2OS |
| Molecular Weight | 298.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(5E)-5-(4-Fluorobenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one (CAS 325994-11-4) is a high-purity analytical reference standard with the molecular formula C16H11FN2OS and a molecular weight of 298.33 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, (5E)-5-(4-Fluorobenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 298.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), (5E)-5-(4-Fluorobenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H11FN2OS |
| Molecular Weight | 298.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related E Standards
- (5E)-5-(2-Fluorobenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one (CAS 324073-82-7)
- N-(2-(2-(2-Fluorobenzylidene)hydrazinyl)-2-oxoethyl)benzamide (CAS 321966-88-5)
- 2-(3-Fluorobenzylidene)benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one (CAS 328963-53-7)
- N'-(2-Fluorobenzylidene)adamantane-1-carbohydrazide (CAS 363604-80-2)
- N'-(4-fluorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 210422-66-5)
- 5-(2-Fluorobenzylidene)-2-(piperazin-1-yl)thiazol-4(5H)-one (CAS 941943-69-7)
- (E)-2-((2-fluorobenzylidene)amino)-5-phenylfuran-3-carbonitrile (CAS 478033-30-6)
- 2-(3-Fluorobenzylidene)-6-methyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 606955-98-0)
Recommended Standards
- (E)-1-(2,4-Dimethoxyphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 30925-62-3)
- (4-Fluorophenyl)(2-(phenylamino)thiazol-5-yl)methanone (CAS 343376-29-4)
- (E)-3-(4-(benzyloxy)-3-ethoxyphenyl)acrylic acid (CAS 565174-23-4)
- (3AS,5aR,8aR,8bS)-2,2,7,7-tetramethyl-3a-((prop-2-yn-1-yloxy)methyl)tetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran (CAS 364733-08-4)
- (4-Nitro-1h-pyrazol-1-yl)methanol (CAS 1001518-99-5)
- (E)-4-(Diethylamino)but-2-enamide (CAS 206126-17-2)
- (3R,5S)-1-Benzyl-5-fluoropiperidin-3-ol (CAS 2639373-07-0)
- 1-(Methylsulfonyl)-4-(2-nitrophenyl)piperazine (CAS 400066-89-9)
- Coelenterazine 400a (CAS 70217-82-2)
- 3-chlorobicyclo[1.1.1]pentan-1-amine (CAS 1886967-24-3)
- Ethyl 1-(difluoromethyl)-4-methyl-1H-imidazole-5-carboxylate (CAS 2416994-56-2)
- 5-Chloropyrido[3,4-b]pyrazine (CAS 214045-82-6)
- N-(2-(4-hydroxypiperidin-1-yl)-2-oxoethyl)acetamide (CAS 1156972-68-7)
- 81988-89-8 UH11FDQ454 Ramoplanin A(sub 3) Ramoplanin A3 (S)-2-(3-Chloro-4-hydroxyphenyl)-N-(N(sup 2)-((2Z,4Z)-8-methyl-2,4-nonadienoyl)-(S)-asparaginyl-(2S,3S)-3-hydroxyasparaginyl-(R)-2-(p-hydroxyphenyl)glycyl-(R)-ornithyl-(2R,3R)-allothreonyl-2-(p-hydroxyphenyl)glycyl-2-(p-hydroxyphenyl)glycyl-(2S,3S)-allothreonyl-(S)-phenylalanyl-(R)-ornithyl-(S)-2-(p-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycyl-(2R,3R)-allothreonyl-(S)-2-(p-hydroxyphenyl)glycylglycyl-(S)-leucyl-(R)-alanyl)glycine psi1-lactone Ramoplanin A 1 (peptide moiety), 1-(N(sup 2)-methyl-1-oxo-2,4-nonadienyl)-L-asparagine)-11-(L-2-(4-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycine)-, (Z,Z)- UNII-UH11FDQ454 (CAS 81988-89-8)
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