1-(4-Chlorophenyl)-3-[5-phenyl-1-(2,4,6-trichlorophenyl)-1H-pyrazol-4-yl]urea CAS 956370-74-4
| CAS No. | 956370-74-4 |
| Molecular Formula | C22H14Cl4N4O |
| Molecular Weight | 492.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(4-Chlorophenyl)-3-[5-phenyl-1-(2,4,6-trichlorophenyl)-1H-pyrazol-4-yl]urea (CAS 956370-74-4), a certified reference material (molecular formula C22H14Cl4N4O, MW 492.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C22H14Cl4N4O, 1-(4-Chlorophenyl)-3-[5-phenyl-1-(2,4,6-trichlorophenyl)-1H-pyrazol-4-yl]urea 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 492.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 1-(4-Chlorophenyl)-3-[5-phenyl-1-(2,4,6-trichlorophenyl)-1H-pyrazol-4-yl]urea 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 | C22H14Cl4N4O |
| Molecular Weight | 492.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorophenyl Standards
- 2-((6R)-4-(4-chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)-N-(4-hydroxyphenyl)acetamide (CAS 1983196-25-3)
- 3-((4-Chlorophenyl)sulfonyl)-2-imino-10-methyl-1-(pyridin-3-ylmethyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one (CAS 577987-20-3)
- 1-(4-Chlorophenyl)-3-(4-ethyl-5-((3-(trifluoromethyl)benzyl)thio)-4H-1,2,4-triazol-3-yl)pyridazin-4(1H)-one (CAS 478077-63-3)
- 3-[(4-Chlorophenyl)methanesulfinyl]-4-phenyl-5-{[3-(trifluoromethyl)phenoxy]methyl}-4H-1,2,4-triazole (CAS 956159-47-0)
- 5-((4-Chlorophenyl)thio)-4-(((2,6-dichlorophenyl)thio)methyl)-1-methyl-3-phenyl-1H-pyrazole (CAS 318951-85-8)
- N-[(4-Chlorophenyl)methyl]-1-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-5-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 321848-21-9)
- 2-((5-(4-Chlorophenyl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide (CAS 477331-34-3)
- Methyl 4-(2-((5-(4-chlorophenyl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamido)benzoate (CAS 332947-83-8)
Recommended Standards
- (3-(3-((2,4-Dichlorobenzyl)oxy)phenyl)-1H-pyrazol-1-yl)(3,4-dichlorophenyl)methanone (CAS 477712-59-7)
- 4,4'-(Hydrazine-1,2-diylbis(oxomethylene))bis(4,1-phenylene)diboronic acid, pinaool ester (CAS 2096338-52-0)
- ((2R,3S,5R)-3-Hydroxy-5-(6-oxo-3,6-dihydro-9H-purin-9-yl)tetrahydrofuran-2-yl)methyl tetrahydrogen triphosphate (CAS 16595-02-1)
- 11-(3,5-Dibromo-4-hydroxyphenyl)-3,3-dimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 1024228-08-7)
- Ethylenediaminetetraacetic-d12 Acid (CAS 203806-08-0)
- N-(4-(Bromomethyl)phenyl)pivalamide (CAS 137105-37-4)
- 2-(4-Chlorophenyl)-2-((3-methoxyphenyl)amino)acetic acid (CAS 725253-08-7)
- Ethyl 6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate (CAS 153597-59-2)
- 2-(M-tolyl)hydrazine-1-carbothioamide (CAS 65078-18-4)
- (5-(4-Iodophenyl)furan-2-yl)methanol (CAS 406947-12-4)
- tert-Butyl 3-(2-methoxy-2-oxoethyl)piperazine-1-carboxylate hydrochloride (CAS 1858241-30-1)
- 2-Amino-5-[(4-ethyl-1-piperazinyl)methyl]pyridine (CAS 1180132-17-5)
- 4-(Di-tert-butylfluorosilyl)benzaldehyde (CAS 915023-44-8)
- Tirzepatide Impurity 26 X TFA Salt (CAS CATO-C4X-324026)
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