Ethyl 1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboxylate CAS 87383-50-4
| CAS No. | 87383-50-4 |
| Molecular Formula | C18H18N2O2 |
| Molecular Weight | 294.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H18N2O2, Ethyl 1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboxylate contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 294.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Ethyl 1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboxylate (CAS 87383-50-4) is a high-purity analytical reference standard with the molecular formula C18H18N2O2 and a molecular weight of 294.35 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Ethyl 1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboxylate 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 | 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.) | 1981 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 2-((1-Methyl-3,5-diphenyl-1H-pyrazol-4-yl)oxy)ethanol (CAS 60627-63-6)
- 1-(1,3-Diphenyl-1H-pyrazol-5-yl)thiourea (CAS 72615-14-6)
- 3,3-Diphenyl-1-(piperazin-1-yl)propan-1-one (CAS 88372-34-3)
- Diphenyl-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole-6-thiol (CAS 120187-11-3)
- Diphenyl-7h-[1,2,4]triazolo[4,3-b][1,2,4]triazole-3-thiol (CAS 374088-62-7)
- Methyl 2-(3,5-diphenyl-1H-1,2,4-triazol-1-yl)acetate (CAS 1171932-97-0)
- Diphenyl(pyridin-3-ylmethyl)phosphine oxide (CAS 13119-81-8)
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Recommended Standards
- Di-tert-butyl 4-aminopyridine-2,6-dicarboxylate (CAS 638128-21-9)
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- Dicyclohexylamine (S)-2-(1-benzyl-2-(tert-butoxycarbonyl)hydrazinyl)propanoate (CAS 199605-10-2)
- Ethyl 2-methyl-4-phenyl-1,4-dihydro-1,8-naphthyridine-3-carboxylate (CAS 81022-79-9)
- 2-(Dimethylamino)pyrimidine-5-carbonitrile (CAS 55338-76-6)
- 3-Fluoro-4-methylphenyl Isothiocyanate (CAS 116401-53-7)
- 2-(Methylthio)-6-phenyl-3-(o-tolyl)pyrimidin-4(3H)-one (CAS 89069-47-6)
- 2,2,4,4,6,8,8-Heptamethylnonane (CAS 4390-04-9)
- N-(9-Benzhydryl-9H-purin-6-yl)hydroxylamine (CAS 152433-82-4)
- 2-(2-Bromo-4-(difluoromethyl)-6-iodopyridin-3-yl)acetic acid (CAS 1804842-01-0)
- Fmoc-2-Methoxy-D-Phenylalanine (CAS 170642-30-5)
- n-(3-Methoxypropyl)-2-(piperazin-1-yl)acetamide (CAS 871217-92-4)
- (2R,4S)-N-Benzyl-2-t-butyloxazolidine-4-carboxylic acid, methyl ester (CAS 145451-89-4)
- Neuropeptide Y, human (CAS 98264-90-5)
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