(4Z)-3-tert-Butyl-4-{[4-(dimethylamino)phenyl]methylidene}-1-phenyl-4,5-dihydro-1H-pyrazol-5-one CAS 1025259-84-0
| CAS No. | 1025259-84-0 |
| Molecular Formula | C22H25N3O |
| Molecular Weight | 347.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4Z)-3-tert-Butyl-4-{[4-(dimethylamino)phenyl]methylidene}-1-phenyl-4,5-dihydro-1H-pyrazol-5-one (C22H25N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; 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).
(4Z)-3-tert-Butyl-4-{[4-(dimethylamino)phenyl]methylidene}-1-phenyl-4,5-dihydro-1H-pyrazol-5-one (CAS 1025259-84-0), molecular formula C22H25N3O and molecular weight 347.45 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4Z)-3-tert-Butyl-4-{[4-(dimethylamino)phenyl]methylidene}-1-phenyl-4,5-dihydro-1H-pyrazol-5-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 | C22H25N3O |
| Molecular Weight | 347.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 4-(1-Bicyclo[2.2.1]hept-2-yl-ethyl)-5-(2-fluoro-phenoxymethyl)-4H-[1,2,4]triazole-3-thiol (CAS 1005159-77-2)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-isopropylbenzyl)pyrrolidine-2-carboxylic acid (CAS 1027976-58-4)
- Rizatriptan EP Impurity E (CAS CATO-C4X-17525)
- 5-((4-(Dipropylamino)-2-methylphenyl)imino)quinolin-8(5H)-one (CAS 102839-95-2)
- 1-(Furan-2-ylmethyl)-3-hydroxy-5-phenyl-4-(thiophene-2-carbonyl)-1H-pyrrol-2(5H)-one (CAS 617694-14-1)
- Triphenylbismuth difluoride (CAS 2023-48-5)
- 5-(Pyrazin-2-yl)-1H-pyrazol-3-amine (CAS 1232224-86-0)
- 3,4-Difluorophenyl chloroformate (CAS 841258-01-3)
- 4-[4-(Chloromethyl)phenyl]morpholine hydrochloride (CAS 1616403-02-1)
- 5,6-Dichloro-1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (CAS 2653202-57-2)
- Ethyl 2-(4-oxo-6-(trifluoromethyl)quinolin-1(4H)-yl)acetate (CAS 1215526-40-1)
- Amino G Salt (CAS 842-16-0)
- N-(pyrrolidin-3-yl)methanesulfonamide (CAS 178105-25-4)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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