Methyl 1-(4-chloro-2-nitrophenyl)-1H-pyrazole-4-carboxylate CAS 1172922-82-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1172922-82-5 |
| Molecular Formula | C11H8ClN3O4 |
| Molecular Weight | 281.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 1-(4-chloro-2-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 1172922-82-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H8ClN3O4. Molecular weight: 281.65 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H8ClN3O4 |
| Molecular Weight | 281.65 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 methanol, ethanol, DMSO |
| 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.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 1-(3-Chlorobenzyl)-4-nitro-1H-pyrazole-3-carboxylic acid (CAS 1281872-35-2)
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- 1-[(2-Chlorophenyl)methyl]-4-nitro-1H-pyrazole-3-carboxylic acid (CAS 1281872-42-1)
- n1-((1,5-Dimethyl-1h-pyrazol-4-yl)methyl)-n3,n3-dimethylpropane-1,3-diamine (CAS 1499504-90-3)
- 2-(Anilinomethyl)-1H-isoindole-1,3(2H)-dione (CAS 13314-96-0)
- 2,2,3,3,7-Pentafluoro-2,3-dihydrobenzo[b][1,4]dioxin-6-amine (CAS 120934-05-6)
- 4-(3-(Dimethylamino)propoxy)-3-fluorophenylboronic acid (CAS 1704064-08-3)
- 2-(Aminomethyl)-6-(difluoromethyl)-5-hydroxy-3-iodopyridine (CAS 1805208-41-6)
- 1',2',3',4'-Tetrahydro-[1,1'-biphenyl]-2-amine (CAS 59816-86-3)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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