(E)-5-Benzylidene-2-(4-phenylpiperazin-1-yl)thiazol-4(5H)-one CAS 304889-84-7
| CAS No. | 304889-84-7 |
| Molecular Formula | C20H19N3OS |
| Molecular Weight | 349.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (E)-5-Benzylidene-2-(4-phenylpiperazin-1-yl)thiazol-4(5H)-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.
(E)-5-Benzylidene-2-(4-phenylpiperazin-1-yl)thiazol-4(5H)-one (CAS 304889-84-7), molecular formula C20H19N3OS and molecular weight 349.45 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H19N3OS, (E)-5-Benzylidene-2-(4-phenylpiperazin-1-yl)thiazol-4(5H)-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 349.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C20H19N3OS |
| Molecular Weight | 349.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| 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 | 1 |
Related E Standards
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- 5-Benzylidene-9-butyl-2,3,5,6,7,8-hexahydroacridin-4(1H)-one (CAS 105282-71-1)
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Recommended Standards
- (E)-(1-{3-methyl-5-thia-2,7-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(12),3,6,8,10-pentaen-4-yl}ethylidene)[(4-methylphenyl)methoxy]amine (CAS 478062-88-3)
- [5-(2-Amino-5-methyl-4-thiazolyl)-1-indolinyl](2-methylphenyl)methanone (CAS 878704-24-6)
- (2E)-N-[(4-Methoxyphenyl)methyl]-2-phenyl-3-(thiophen-2-yl)prop-2-enamide (CAS 478078-48-7)
- 1-(4-(4,7-Dimethoxybenzo[d]thiazol-2-yl)piperazin-1-yl)butan-1-one (CAS 897486-89-4)
- 2,5-Bis((2,5,8,11-tetraoxatridecan-13-yl)oxy)terephthalohydrazide (CAS 2760302-99-4)
- 5-Methoxy-7-methylindole (CAS 61019-05-4)
- 2-(2,3-Difluoro-4-hydroxyphenyl)acetic acid (CAS 887587-75-9)
- 3-Nitroimidazo[1,2-b]pyridazin-6-amine (CAS 37990-33-3)
- (S)-1-(methylsulfonyl)piperidin-3-amine (CAS 1270498-32-2)
- 2-(2-(Difluoromethoxy)-4-hydroxybenzoyl)pyridine (CAS 1261728-86-2)
- 1-[2-(Benzyloxy)phenyl]ethan-1-amine (CAS 123983-01-7)
- (E)-3-Methoxy-1-propenylboronic Acid Pinacol Ester (CAS 165059-42-7)
- 4-Chloro-n-ethyl-2-methylbenzenesulfonamide (CAS 1094795-69-3)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
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