3-(4-Chlorophenyl)pyrazole CAS 59843-58-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 59843-58-2 |
| Molecular Formula | C9H7ClN2 |
| Molecular Weight | 178.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chlorophenyl)pyrazole (CAS 59843-58-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H7ClN2. Molecular weight: 178.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H7ClN2 |
| Molecular Weight | 178.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 4-(4-Chlorophenyl)-1H-pyrazole (CAS 111016-47-8)
- 4-(3-Chlorophenyl)-1h-pyrazole (CAS 1196152-63-2)
- 1-(2-Chlorophenyl)-1H-imidazole (CAS 51581-50-1)
- 1-(2-Chlorophenyl)-1H-pyrazole (CAS 917508-36-2)
- 1-(3-Chlorophenyl)pyrazole (CAS 57211-65-1)
- 1-(4-Chlorophenyl)-1H-pyrazole (CAS 25419-86-7)
- 2-(2-Chlorophenyl)imidazole (CAS 76875-22-4)
- 2-(3-Chlorophenyl)imidazole (CAS 27423-81-0)
Recommended Standards
- 3-(2-Chloropropanoyl)-1-ethylurea (CAS 554426-65-2)
- 3-amino-3-(4-chlorophenyl)prop-2-enenitrile (CAS 25354-58-9)
- 3-(2-Chloroacetyl)-1-propylurea (CAS 4791-26-8)
- 2-Hydroxy-2-[[3-(phenylmethoxy)phenyl]methylene] Hydrazide Benzoic Acid (CAS 316131-42-7)
- Methyl 6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 188780-24-7)
- 1-Methyl-2-(1-methyl-1h-pyrazol-4-yl)-6-oxopiperidine-3-carboxamide (CAS 1315366-28-9)
- Ethyl 5-(4-fluorophenoxy)-1,3,4-thiadiazole-2-carboxylate (CAS 1499368-76-1)
- 1-Propanone, 1-(5-chloro-2-pyridinyl)-2-methyl- (CAS 144505-67-9)
- 2-(4-(Bromomethyl)-3-(difluoromethyl)-5-fluoropyridin-2-yl)acetic acid (CAS 1805998-79-1)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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