(4Z)-3-Ethoxy-1-phenyl-4-({[(pyridin-4-yl)methyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one CAS 338751-04-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338751-04-5 |
| Molecular Formula | C18H18N4O2 |
| Molecular Weight | 322.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4Z)-3-Ethoxy-1-phenyl-4-({[(pyridin-4-yl)methyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one (CAS 338751-04-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C18H18N4O2. Molecular weight: 322.36 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H18N4O2 |
| Molecular Weight | 322.36 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Z Standards
- (4Z)-3-Ethoxy-1-phenyl-4-({[(pyridin-3-yl)methyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one (CAS 338751-01-2)
- 3-Ethoxy-4-(naphthalen-1-ylmethoxy)benzoic acid (CAS 938341-81-2)
- 3-(2-Ethoxy-phenoxysulfonyl)-benzoic acid (CAS 380431-09-4)
- 5-Ethoxy-4-ethyl-2-(5-methyl-4-phenyl-1H-pyrazol-3-yl)phenol (CAS 385401-42-3)
- 1-EThoxy-3-fluoro-5-nitrobenzene (CAS 330-66-5)
- 2-{2-[3-ethoxy-2-(ethoxycarbonyl)-3-oxoprop-1-enyl]hydrazino}benzoic acid (CAS 848178-50-7)
- trans-4-Ethoxy-4'-(4-propylcyclohexyl)-1,1'-biphenyl (CAS 118106-62-0)
- trans-2-ethoxy-4-[(3-iodo-1-bicyclo[1.1.1]pentanyl)methyl]tetrahydrofuran (CAS 2374231-11-3)
Recommended Standards
- (5-Formyl-2-pyridinyl)imidodicarbonic acid bis(1,1-dimethylethyl) ester (CAS 666721-10-4)
- (3-(((Benzyloxy)carbonyl)amino)propanoyl)-L-valine (CAS 61058-48-8)
- (E)-2-(4-(2-(1H-Indazol-3-yl)vinyl)phenoxy)ethyl acetate (CAS 841258-16-0)
- 1-(4-Ethylphenyl)-3-phenylurea (CAS 200134-22-1)
- (3E,7E)-4,8,12-Trimethyltrideca-1,3,7,11-tetraene (CAS 62235-06-7)
- 2-amino-8-hydrazinyl-6,9-dihydro-1H-purin-6-one hydrochloride (CAS 1461705-80-5)
- 4-Amino-7-((2-hydroxyethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide (CAS 120386-08-5)
- 2-(4-Methylpiperazin-1-yl)ethanethiol (CAS 5842-12-6)
- Bis(acetylactonate) ethoxide isopropoxide titanium (CAS 445398-76-5)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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