Ethyl 1-(2,5-dichlorobenzyl)-3-phenyl-1H-pyrazole-5-carboxylate CAS 618070-54-5
| CAS No. | 618070-54-5 |
| Molecular Formula | C19H16Cl2N2O2 |
| Molecular Weight | 375.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 375.25 g/mol gives Ethyl 1-(2,5-dichlorobenzyl)-3-phenyl-1H-pyrazole-5-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 1-(2,5-dichlorobenzyl)-3-phenyl-1H-pyrazole-5-carboxylate (CAS 618070-54-5), molecular formula C19H16Cl2N2O2 and molecular weight 375.25 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Ethyl 1-(2,5-dichlorobenzyl)-3-phenyl-1H-pyrazole-5-carboxylate (C19H16Cl2N2O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(2,5-dichlorobenzyl)-3-phenyl-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 | C19H16Cl2N2O2 |
| Molecular Weight | 375.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 2-((3,4-Dichlorobenzyl)thio)-N,N-dimethyl-6-((methylthio)methyl)pyrimidin-4-amine (CAS 341965-61-5)
- 2-(2-((2,4-Dichlorobenzyl)thio)-5-(hydroxymethyl)-1H-imidazol-1-yl)-N-ethylacetamide (CAS 921866-35-5)
- 3-(2,4-Dichlorobenzyl)-4-hydroxy-1-phenethylpyridin-2(1H)-one (CAS 478045-89-5)
- 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one (CAS 343372-89-4)
- 4-(N-(2,6-dichlorobenzyl)methylsulfonamido)benzoic acid (CAS 952930-90-4)
- 1-(3,4-Dichlorobenzyl)-2-oxo-N-(pyridin-2-yl)-1,2-dihydropyridine-3-carboxamide (CAS 338783-15-6)
- 1-(3,4-Dichlorobenzyl)-2-oxo-N-(pyridin-3-yl)-1,2-dihydropyridine-3-carboxamide (CAS 338782-91-5)
- 3-((2,4-Dichlorobenzyl)thio)-5,6-dihydrobenzo[h]cinnoline (CAS 478047-86-8)
Recommended Standards
- Ethyl (E)-2-(2-(2,4-dichlorostyryl)-1H-benzo[d]imidazol-1-yl)acetate (CAS 338772-07-9)
- Ethyl 5-(4-chlorophenyl)-2-((4-chlorophenyl)amino)-1H-pyrrole-3-carboxylate (CAS 338419-78-6)
- 6-(3,4-Dichlorophenyl)-2-[(4-fluorophenyl)sulfanyl]pyridine-3-carbonitrile (CAS 252059-65-7)
- Methyl 1-(2,3-dichlorophenyl)-2,3,4,9-tetrahydro-1H-beta-carboline-3-carboxylate (CAS 528524-81-4)
- 5-Chloro-1-(4-fluorophenyl)-3-methyl-1h-pyrazole-4-carboxylic acid (CAS 926190-52-5)
- 4-Amino-1H-pyrazolo[3,4-d]pyrimidine-3-carbothioamide (CAS 90213-36-8)
- Cyclopropyl 2-(2,5-dimethylphenyl)ethyl ketone (CAS 898754-16-0)
- 3-((2,4-Dichlorobenzyl)amino)-1,1,1-trifluoropropan-2-ol (CAS 478081-29-7)
- (E)-4-Alloxycarboxyl Tamoxifen (CAS 1287191-58-5)
- 1-ethyl-1,2,3,4-tetrahydroquinoxaline (CAS 73855-46-6)
- (S)-2-(((Benzyloxy)carbonyl)amino)-2-(4-hydroxyphenyl)acetic acid (CAS 26787-76-8)
- 2,2,5-Trimethylhex-4-enoic acid (CAS 2198-82-5)
- 8-Ethyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 865106-49-6)
- Liraglutide Impurity 30 (CAS CATO-C4X-199230)
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