5-(2-Chlorophenyl)-1,3-diphenyl-1H-pyrazole CAS 55042-82-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55042-82-5 |
| Molecular Formula | C21H15ClN2 |
| Molecular Weight | 330.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(2-Chlorophenyl)-1,3-diphenyl-1H-pyrazole (CAS 55042-82-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H15ClN2. Molecular weight: 330.81 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H15ClN2 |
| Molecular Weight | 330.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 2-(2-Chlorophenyl)-4,5-diphenyl-1h-imidazole (CAS 1707-67-1)
- Methyl 4-((4-chlorophenyl)sulfonyl)-3-methylthiophene-2-carboxylate (CAS 175137-60-7)
- 2-(4-Chlorophenyl)-4,5-diphenyl-1H-imidazole (CAS 5496-32-2)
- 4-((4-Chlorophenyl)sulfonyl)-3-methylthiophene-2-carbohydrazide (CAS 845266-19-5)
- 4-(4-Chlorophenyl)-2-(4-isopropylphenyl)-4-oxobutanoic acid (CAS 344281-36-3)
- 5-(4-Chlorophenyl)-2-{[(4-fluorophenyl)methyl]sulfanyl}pyrimidine (CAS 344281-72-7)
- N-(4-chlorophenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)acetamide (CAS 303091-90-9)
- 1-(4-Chlorophenyl)-3-[2-(methylsulfanyl)pyrimidin-4-yl]-1,4-dihydropyridazin-4-one (CAS 1263386-33-9)
Recommended Standards
- 4-Chloro-N-(6-(4-methylpiperazin-1-yl)pyridin-3-yl)benzamide (CAS 439094-46-9)
- 5-(Aminomethyl)-3-(4-(3-chlorophenethyl)phenyl)oxazolidin-2-one (CAS 84459-91-6)
- 4-(4-Chloro-6-(cyclopentylamino)-2-methylpyrimidin-5-yl)benzamide (CAS 917895-99-9)
- (E)-4-(2-(1H-Imidazol-2-yl)vinyl)pyridine (CAS 936743-04-3)
- 3-(2-Aminophenyl)quinoxalin-2(1h)-one (CAS 91658-79-6)
- 2-(pyridin-3-ylmethoxy)aniline,2HCl (CAS 202288-73-1)
- Methyl 2-bromo-3-cyano-4-fluorobenzoate (CAS 1807076-83-0)
- 6-(Trifluoromethyl)-2-azabicyclo[3.1.0]Hexane-3-carboxylic acid (CAS 1822457-71-5)
- (3-Cyclopropylimidazo[1,5-a]pyridin-1-yl)methanamine (CAS 1018296-57-5)
- Peptide 434 (CAS CATO-CPTD788434)
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