Methyl 5-(4-nitrophenyl)-1H-pyrazole-3-carboxylate CAS 889993-38-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 889993-38-8 |
| Molecular Formula | C11H9N3O4 |
| Molecular Weight | 247.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-(4-nitrophenyl)-1H-pyrazole-3-carboxylate (CAS 889993-38-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9N3O4. Molecular weight: 247.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9N3O4 |
| Molecular Weight | 247.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 103856-74-2 5-Methyl-1-(2-nitrophenyl)-1H-pyrazole-3-carboxylic acid 7825AC C11H9N3O4 (CAS 103856-74-2)
- 1-Methyl-3-(4-nitrophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1152933-94-2)
- Methyl 1-(2-nitrophenyl)-1H-pyrazole-3-carboxylate (CAS 1170945-67-1)
- Methyl 1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 1171844-32-8)
- 1-Methyl-3-(4-nitrophenyl)-1H-pyrazole-5-carboxylic acid (CAS 1172569-15-1)
- 1-Methyl-3-(3-nitrophenyl)-1h-pyrazole-5-carboxylic acid (CAS 1177304-46-9)
- 2-(3-(4-Nitrophenyl)-1H-pyrazol-1-yl)acetic acid (CAS 959582-09-3)
- Methyl 1-(3-nitrophenyl)-1H-imidazole-4-carboxylate (CAS 314061-15-9)
Recommended Standards
- Methyl 5-(3-nitrophenyl)-1h-pyrazole-3-carboxylate (CAS 517870-25-6)
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- 154189-40-9 N32934RHGW Sibenadet [INN:BAN] UNII-N32934RHGW Sibenadet 2(3H)-Benzothiazolone, 4-hydroxy-7-(2-((2-((3-(2-phenylethoxy)propyl)sulfonyl)ethyl)amino)ethyl)- 4-Hydroxy-7-(2-((2-((3-(2-phenylethoxy)propyl)sulfonyl)ethyl)amino)ethyl)-1,3-benzothiazol-2(3H)-one (CAS 154189-40-9)
- 1-Isopropyl-1H-benzo[d][1,2,3]triazol-6-amine (CAS 1517324-73-0)
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