Ethyl 5-chloro-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate CAS 121716-35-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 121716-35-6 |
| Molecular Formula | C12H10ClN3O4 |
| Molecular Weight | 295.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-chloro-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 121716-35-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H10ClN3O4. Molecular weight: 295.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H10ClN3O4 |
| Molecular Weight | 295.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- Methyl 1-[(2-chlorophenyl)methyl]-4-nitro-1H-pyrazole-3-carboxylate (CAS 1281872-34-1)
- 1-(4-Chlorobenzyl)-3-nitro-1H-pyrazole-5-carbohydrazide (CAS 1443279-02-4)
- Methyl 5-chloro-7-(trifluoromethyl)thieno[3,2-b]pyridine-3-carboxylate (CAS 648859-81-8)
- 4-Bromo-3-(difluoromethyl)-5-iodopyridine (CAS 1805222-35-8)
- 2-((4-Phenylquinazolin-2-yl)amino)ethan-1-ol (CAS 53364-90-2)
- 2-(Quinolin-3-yl)piperidine-1-carbaldehyde (CAS 1352541-28-6)
- N3,N3-Dimethylpyridine-3,4-diamine (CAS 90008-37-0)
- Dodecyl benzylcarbamimidothioate hydrobromide (CAS 1173585-22-2)
- 1-Hydroxy-4-phenyl-1H-1,2,3-triazole-5-carboxylic acid (CAS 887405-55-2)
- Ganirelix 1-4 peptide (CAS 208599-57-9)
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