5-(Chlorodifluoromethyl)-1-(4-chlorophenyl)-3-methyl-1H-pyrazole CAS 321998-13-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321998-13-4 |
| Molecular Formula | C11H8Cl2F2N2 |
| Molecular Weight | 277.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Chlorodifluoromethyl)-1-(4-chlorophenyl)-3-methyl-1H-pyrazole (CAS 321998-13-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H8Cl2F2N2. Molecular weight: 277.10 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H8Cl2F2N2 |
| Molecular Weight | 277.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorodifluoromethyl Standards
- 5-(Chlorodifluoromethyl)-1-methyl-3-(trifluoromethyl)-1h-pyrazole-4-carboxylic acid (CAS 1421603-58-8)
- 3-(Chlorodifluoromethyl)-8-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 477871-29-7)
- 2-(Chlorodifluoromethyl)-5-(trifluoromethoxy)-1H-benzimidazole (CAS 1210386-82-5)
- 5-(chlorodifluoromethyl)-3-methyl-1-phenyl-1H-pyrazole-4-carboxylic acid (CAS 1375473-57-6)
- 5-(Chlorodifluoromethyl)-3-(trifluoromethyl)isoxazole-4-carboxylic acid (CAS 1421605-03-9)
- 1-(Chlorodifluoromethyl)-4-(dichlorofluoromethyl)benzene (CAS 13947-95-0)
- 7-(Chlorodifluoromethyl)-5-methylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 676522-75-1)
- Methyl 2-(chlorodifluoromethyl)-1H-benzo[d]imidazole-4-carboxylate (CAS 1956328-02-1)
Recommended Standards
- 4-Chloro-N-(2-chloro-5-nitrophenyl)butanamide (CAS 540755-52-0)
- 5-Bromo-1H-benzo[d]imidazole-2-sulfonic acid (CAS 287730-16-9)
- 4-(Phenylsulfamoyl)benzeneboronic acid (CAS 2096334-44-8)
- N-benzyl-1-(2-methoxythiazol-5-yl)methanamine hydrochloride (CAS 937655-22-6)
- Niflumic Acid - Impurity B (CAS 72633-64-8)
- 3-{3-[(2,4-dichlorophenyl)methoxy]phenyl}-1-[(3-methylphenyl)methyl]-1H-pyrazole (CAS 477712-79-1)
- 9-(4-Chlorophenyl)-9H-carbazole (CAS 19264-71-2)
- 3-[(2-Chlorophenoxy)methyl]pyrrolidinehydrochloride (CAS 1018446-69-9)
- 3-(4-(2,3-Dimethylphenyl)piperazin-1-yl)-3-oxopropanenitrile (CAS 543717-57-3)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
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