3-(2-(Benzyloxy)phenyl)-N'-(4-chlorobenzylidene)-1H-pyrazole-5-carbohydrazide CAS 634895-28-6
| CAS No. | 634895-28-6 |
| Molecular Formula | C24H19ClN4O2 |
| Molecular Weight | 430.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C24H19ClN4O2, 3-(2-(Benzyloxy)phenyl)-N'-(4-chlorobenzylidene)-1H-pyrazole-5-carbohydrazide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 430.89 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-(2-(Benzyloxy)phenyl)-N'-(4-chlorobenzylidene)-1H-pyrazole-5-carbohydrazide (CAS 634895-28-6), molecular formula C24H19ClN4O2 and molecular weight 430.89 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-(2-(Benzyloxy)phenyl)-N'-(4-chlorobenzylidene)-1H-pyrazole-5-carbohydrazide 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 | C24H19ClN4O2 |
| Molecular Weight | 430.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 1-(4-(4-Chlorobenzamido)benzyl)-N-phenyl-1H-imidazole-4-carboxamide (CAS 1251709-75-7)
- 3-(4-Chloro-3-(trifluoromethyl)phenyl)-2-mercapto-7-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one (CAS 723333-49-1)
- Bosentan Impurity 13 (CAS CATO-C4X-156413)
- N'-[(1E)-(2-Chlorophenyl)methylidene]-3-(3,4-dimethylphenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 478045-75-9)
- n-(2,3-Difluorobenzyl)-2-ethoxyethan-1-amine (CAS 1153782-93-4)
- 2,5-Difluoro-4-((2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)oxy)aniline (CAS 1225278-35-2)
- Pyrazine-2-carboximidohydrazine (CAS 18107-03-4)
- [2-amino-1-(furan-2-yl)ethyl](benzyl)amine (CAS 128349-17-7)
- 1-[(2,6-Difluorophenyl)methyl]-4-nitro-1h-pyrazole (CAS 1240567-86-5)
- Benzyl 3-methyl-3-((methylsulfonyl)oxy)azetidine-1-carboxylate (CAS 1356109-87-9)
- 2-Chloro-4-methoxy-5-phenylpyrimidine (CAS 901311-77-1)
- [2-oxo-2-[2,2,2-trifluoro-1-(trifluoromethyl)ethoxy]ethyl] 2-methylprop-2-enoate (CAS 1176273-30-5)
- 2-(4-Benzylpiperazin-1-yl)propanoic acid (CAS 938226-33-6)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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