1-(2-Ethylphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid CAS 1264050-18-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1264050-18-1 |
| Molecular Formula | C18H18N2O2 |
| Molecular Weight | 294.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Ethylphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264050-18-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H18N2O2. Molecular weight: 294.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H18N2O2 |
| Molecular Weight | 294.35 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Ethylphenyl Standards
- 1-(4-Ethylphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264049-51-5)
- 4-[(3-ethylphenyl)sulfamoyl]-1H-pyrrole-2-carboxylic acid (CAS 937624-93-6)
- 1-(4-Ethylphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017415-74-5)
- 1-(2-Ethylphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1326843-99-5)
- 1-(3-Ethylphenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1351779-49-1)
- 1-(2-Ethylphenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1351809-37-4)
- 2-{[(4-ethylphenyl)methyl]sulfanyl}-1-phenyl-1H-imidazole (CAS 478046-30-9)
- 2-(2-Ethylphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 690671-26-2)
Recommended Standards
- Tert-butyl 4-(2-hydrazinylpyrimidin-4-yl)piperazine-1-carboxylate (CAS 1306738-63-5)
- 1-(2,3-Dimethylphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264044-14-5)
- N-(6-Amino-1-methyl-2,4-dioxo-3-propyl-1,2,3,4-tetrahydropyrimidin-5-yl)cyclopentanecarboxamide (CAS 132940-63-7)
- 5,5'-(Ethane-1,2-diyl)diisophthalic acid (CAS 1774401-34-1)
- 4-Formyl-5-nitro-1,2-phenylene diacetate (CAS 15794-35-1)
- Cyclobutanecarbonyl chloride Cyclobutanecarboxylic acid chloride Cyclobutanecarboxylic chloride Cyclobutanoyl chloride Cyclobutylcarbonyl chloride Cyclobutylcarboxylic acid chloride 5006-22-4 (CAS 5006-22-4)
- (R)-2-Hydroxy-3,3-dimethylbutanoic acid (CAS 22146-57-2)
- Methyl (R)-3-(acetylthio)-2-methylpropanoate (CAS 86961-07-1)
- Isobutyl 3-(6-amino-9H-purin-9-yl)-2-hydroxypropanoate (CAS 94458-82-9)
- Palmitoyl Tripeptide -5 · 2 TFA (CAS 623172-56-5)
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