4-(2-Nitrophenyl)-1H-pyrazole CAS 1022318-67-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1022318-67-7 |
| Molecular Formula | C9H7N3O2 |
| Molecular Weight | 189.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Nitrophenyl)-1H-pyrazole (CAS 1022318-67-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7N3O2. Molecular weight: 189.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7N3O2 |
| Molecular Weight | 189.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related Nitrophenyl Standards
- 4-(4-Nitrophenyl)-1H-pyrazole (CAS 114474-26-9)
- 4-(3-Nitrophenyl)-1H-pyrazole (CAS 1190222-97-9)
- 2-(3-Nitrophenyl)imidazole (CAS 13682-18-3)
- 2-(4-Nitrophenyl)imidazole (CAS 1614-06-8)
- 1-(2-Nitrophenyl)-1h-imidazole (CAS 23309-16-2)
- 1-(2-Nitrophenyl)pyrazole (CAS 25688-17-9)
- 1-(3-Nitrophenyl)-1H-imidazole (CAS 23309-09-3)
- 1-(3-Nitrophenyl)pyrazole (CAS 25688-18-0)
Recommended Standards
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- 5H-[1,3]Dioxolo[4,5-f]indole-7-carbaldehyde (CAS 101966-88-5)
- Lutetium(III) bromide xhydrate (CAS 29843-94-5)
- (S)-1-Benzyl-3-pyrrolidinemethanol (CAS 78914-69-9)
- 3,4-Dibromo-2-phenylquinoline (CAS 5428-22-8)
- 4,4',4''-((1,3,5-Triazine-2,4,6-triyl)tris(azanediyl))tribenzonitrile (CAS 108726-40-5)
- 4-Aminobenzoic Acid-d4 (CAS 350820-01-8)
- 7,7-Dimethyloctanoyl chloride (CAS 133028-20-3)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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