5-(4-Chlorophenyl)-1-(2,4-dichlorophenyl)-4-methylpyrazole-3-carboxylic Acid CAS 162758-35-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 162758-35-2 |
| Molecular Formula | C17H11Cl3N2O2 |
| Molecular Weight | 381.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Chlorophenyl)-1-(2,4-dichlorophenyl)-4-methylpyrazole-3-carboxylic Acid (CAS 162758-35-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H11Cl3N2O2. Molecular weight: 381.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H11Cl3N2O2 |
| Molecular Weight | 381.64 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.) | 2003 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- (6-(4-((4-Chlorophenyl)sulfonyl)piperazin-1-yl)pyridin-3-yl)boronic acid (CAS 1003043-43-3)
- Methyl 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-1H-pyrazole-3-carboxylate (CAS 158941-06-1)
- Methyl 5-(4-chlorophenyl)-1-(3,4-dichlorophenyl)-1H-pyrazole-3-carboxylate (CAS 158941-38-9)
- 5-(4-Chlorophenyl)-1-(2,4-dichlorobenzyl)-1H-pyrazole-3-carboxylic acid (CAS 192701-96-5)
- 1-(4-Chlorophenyl)-N-(2,4-dichlorophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxamide (CAS 321431-02-1)
- 1-(4-Chlorophenyl)-N-(3,5-dichlorophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxamide (CAS 321431-31-6)
- Methyl 1-(3-chlorophenyl)-5-(3,4-dichlorophenyl)-1H-pyrazole-3-carboxylate (CAS 318256-19-8)
- Methyl 5-(2-chlorophenyl)-1-(3,4-dichlorophenyl)-1H-pyrazole-3-carboxylate (CAS 318256-25-6)
Recommended Standards
- N-(2-Hydroxyethyl)erucamide (CAS 18190-74-4)
- N-Dodecanoyldodecanamide (CAS 112605-93-3)
- (S)-2-[Bis(3,5-dimethylphenyl)[(trimethylsilyl)oxy]methyl]pyrrolidine (CAS 848821-60-3)
- 1-(3-Methylpyridin-2-yl)piperazine hydrochloride (CAS 2007909-71-7)
- 4-Methylbenzenesulfonic Acid 2-[(4-Hydroxyphenyl)phenylmethylene]hydrazide (CAS 147169-63-9)
- 5-Chloro-2-methyl-3-nitrobenzaldehyde (CAS 1613329-99-9)
- N-(4-Chloro-3-(trifluoromethyl)phenyl)-2-propoxybenzamide (CAS 709676-56-2)
- 7-Fluoro-2-methylisoindolin-1-one (CAS 1379239-03-8)
- (E)-{2-[(4-bromophenyl)sulfanyl]-1-(4-methoxyphenyl)ethylidene}(methoxy)amine (CAS 338400-78-5)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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