4-Nitro-1-phenyl-1H-pyrazole CAS 3994-48-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3994-48-7 |
| Molecular Formula | C9H7N3O2 |
| Molecular Weight | 189.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Nitro-1-phenyl-1H-pyrazole (CAS 3994-48-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H7N3O2. Molecular weight: 189.17 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1958 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-Nitroisoquinolin-1-amine (CAS 78886-54-1)
- 4-Methyl-8-nitrocinnoline (CAS 20864-29-3)
- 4-Nitronaphthalen-2-ol (CAS 38396-08-6)
- 5-Methyl-1-[3-(trifluoromethyl)phenyl]-1h-pyrazole-4-carboxylic acid (CAS 187998-56-7)
- 3,6-Dichlorobenzo[b]thiophene-2-carbonitrile (CAS 1071350-10-1)
- 6-Bromo-2-(trifluoromethyl)pyrido[2,3-d]pyrimidin-4(3H)-one (CAS 52833-43-9)
- 146714-97-8 8S48P899NE WAY 100635 Cyclohexanecarboxamide, N-(2-(4-(2-methoxyphenyl)-1-piperazinyl)ethyl)-N-2-pyridinyl-, trihydrochloride N-(2-(4-(2-Methoxyphenyl)-1-piperazinyl)ethyl)-N-(2-pyridinyl)cyclohexanecarboxamide trihydrochloride WAY-100635 hydrochloride WAY-100,635 hydrochloride WAY 100635 hydrochloride UNII-8S48P899NE (CAS 146714-97-8)
- 1,2-Dibromo-3,5-dichlorobenzene (CAS 81067-40-5)
- 1-(2,4-Difluorophenyl)-3,5-dimethyl-1h-pyrazole-4-carboxylic acid (CAS 1052558-50-5)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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