(4E)-4-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-(4-methoxyphenyl)-4H-pyrazole CAS 338400-37-6
| CAS No. | 338400-37-6 |
| Molecular Formula | C18H18N4O |
| Molecular Weight | 306.36 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.
CATO supplies (4E)-4-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-(4-methoxyphenyl)-4H-pyrazole (CAS 338400-37-6), a certified reference material (molecular formula C18H18N4O, MW 306.36 g/mol) for analytical method development and quality control.
(4E)-4-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-(4-methoxyphenyl)-4H-pyrazole (C18H18N4O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; 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).
CATO manufactures (4E)-4-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-(4-methoxyphenyl)-4H-pyrazole 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.
Physical & Chemical Properties
| Molecular Formula | C18H18N4O |
| Molecular Weight | 306.36 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.) | 2025 |
| Nitrogen Atoms | 4 |
Related E Standards
- 1-(3,4-Dimethylphenyl)-5-methyl-N-phenyl-1H-1,2,3-triazole-4-carboxamide (CAS 866847-90-7)
- 1-benzyl-3-(3,4-dimethylphenyl)-1H-pyrazole-4-carboxylic acid (CAS 956199-09-0)
- N-(2,4-dimethylphenyl)-2-(3-formyl-1H-indol-1-yl)acetamide (CAS 385420-16-6)
- N-(2,5-dimethylphenyl)-2-(3-formyl-1H-indol-1-yl)acetamide (CAS 592546-20-8)
- N-(3,4-dimethylphenyl)-2-(3-formyl-1H-indol-1-yl)acetamide (CAS 328974-17-0)
- N-(3,5-Dimethylphenyl)-2-(3-formyl-1H-indol-1-yl)acetamide (CAS 329061-81-6)
- 3,5-Dimethylphenyl 2-methoxy-5-methylbenzenesulfonate (CAS 433967-38-5)
- N-(3,5-Dimethylphenyl)-2-(2-methyl-3,5-dioxothiomorpholino)acetamide (CAS 868215-88-7)
Recommended Standards
- (4-(5-((2-(Pyridin-4-yl)ethyl)amino)pyrazin-2-yl)phenyl)methanol (CAS 821783-88-4)
- (5R,9S)-Tert-butyl 9-(furan-2-yl)-6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate (CAS 2151025-56-6)
- (3Z)-3-[(4-Phenylpiperazin-1-yl)methylidene]-1,3-dihydro-2-benzofuran-1-one (CAS 338751-49-8)
- (E)-1-(piperazin-1-yl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 88053-13-8)
- 5-Amino-N-acetyltryptamine (CAS 393835-65-9)
- 5-Iodo-2-methoxy-6-methylpyrimidin-4-amine (CAS 1934768-38-3)
- 5-(2-Methoxy-4-nitrophenyl)furan-2-carbonyl chloride (CAS 443123-41-9)
- N-((1H-benzo[d][1,2,3]triazol-1-yl)methyl)-N-isobutyl-2-methylpropan-1-amine (CAS 137273-38-2)
- 4-(Aminomethyl)-5-(difluoromethyl)-6-(trifluoromethyl)pyridin-2-ol (CAS 1805529-71-8)
- 5-Methyl-4-(propylamino)-4H-1,2,4-triazole-3-thiol (CAS 1018053-32-1)
- 2-(1-Methyl-3-phenyl-1h-1,2,4-triazol-5-yl)ethan-1-amine (CAS 1340293-42-6)
- 5-(4-Chloro-3,5-dimethyl-pyrazol-1-ylmethyl)-furan-2-carboxylic acid (CAS 312310-61-5)
- N-(Tridec-1-en-4-yl)aniline (CAS 491877-91-9)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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