(4Z)-4-[(4-Methoxyphenyl)methylidene]-1,3-diphenyl-4,5-dihydro-1H-pyrazol-5-one CAS 39143-17-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 39143-17-4 |
| Molecular Formula | C23H18N2O2 |
| Molecular Weight | 354.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4Z)-4-[(4-Methoxyphenyl)methylidene]-1,3-diphenyl-4,5-dihydro-1H-pyrazol-5-one (CAS 39143-17-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C23H18N2O2. Molecular weight: 354.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C23H18N2O2 |
| Molecular Weight | 354.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 2 |
Related Z Standards
- N-(4-Methoxyphenyl)-2-phenylquinoline-4-carboxamide (CAS 88067-77-0)
- N-[[(4-Methoxyphenyl)amino]carbonyl]-3-(1-methyl-2-phenylethyl)sydnone Imine (CAS 66404-54-4)
- 2-(((3-(4-Methoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoic acid (CAS 478253-63-3)
- 2-(4-Methoxyphenyl)-N-(4-(4-methoxyphenyl)thiazol-2-yl)acetamide (CAS 679411-78-0)
- 4-Methoxyphenyl 5-(1,2,3-thiadiazol-4-yl)thiophene-2-sulfonate (CAS 338400-13-8)
- N-(4-(5-((4-Methoxyphenyl)(methyl)amino)-1,3,4-thiadiazol-2-yl)phenyl)acetamide (CAS 1021134-25-7)
- N'-(1-(4-Methoxyphenyl)ethylidene)-5-(5-methylthiophen-2-yl)-1H-pyrazole-3-carbohydrazide (CAS 303106-47-0)
- 3-(1-(4-Methoxyphenyl)-5-oxopyrrolidine-3-carboxamido)benzoic acid (CAS 894748-00-6)
Recommended Standards
- (4E)-3-Methyl-4-[(3-phenoxyphenyl)methylidene]-1-phenyl-4,5-dihydro-1H-pyrazol-5-one (CAS 297142-64-4)
- (6,7-Dimethoxyisoquinolin-1-yl)(3,4-dimethoxyphenyl)methanamine (CAS 39964-73-3)
- (2R,5S,10aS,10bS)-Octahydro-10b-hydroxy-5-isobutyl-2-isopropyl-3,6-dioxo-8H-oxazolo[3,2-α]pyrrolo[2,1-c]pyrazine-2-carboxylic Acid (CAS 24177-07-9)
- 3-(4-Chloro-2-methylphenoxy)azetidine (CAS 954223-36-0)
- 1,3-Diphenylpropane-1,2,3-trione (CAS 643-75-4)
- tert-Butyl N-{[(3-chloro-4-fluorophenyl)carbamoyl]methyl}carbamate (CAS 1387745-22-3)
- (4R)-3,3-dimethyloxan-4-amine (CAS 1195174-87-8)
- 1,2-Dibromo-3,5-difluorobenzene (CAS 139215-43-3)
- (3R,4S)-rel-3,4-Piperidinediol HCl (CAS 443648-89-3)
- (Thr(PO3H2)231)-Tau Peptide (225-237) trifluoroacetate salt (CAS 1670270-09-3)
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 13829788188 / jacky.chen@cato-chem.com