5-ethyl-1-(4-methoxyphenyl)-1H-pyrazole-4-carboxylic acid CAS 1119490-22-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1119490-22-0 |
| Molecular Formula | C13H14N2O3 |
| Molecular Weight | 246.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-ethyl-1-(4-methoxyphenyl)-1H-pyrazole-4-carboxylic acid (CAS 1119490-22-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H14N2O3. Molecular weight: 246.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H14N2O3 |
| Molecular Weight | 246.26 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 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.) | 1989 |
| Nitrogen Atoms | 2 |
Related ethyl Standards
- 1-(4-methoxyphenyl)-3,5-dimethyl-1H-pyrazole-4-carboxylic acid (CAS 1001779-87-8)
- 1-Ethyl-3-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic Acid (CAS 1015868-76-4)
- Methyl 3-(2-methoxyphenyl)-1-methyl-1H-pyrazole-4-carboxylate (CAS 1020724-40-6)
- 5-(5-Ethyl-2-methoxyphenyl)-1H-pyrazole-3-carboxylic acid (CAS 1039031-27-0)
- 1-(3-Methoxyphenyl)-3,5-dimethyl-1H-pyrazole-4-carboxylic acid (CAS 1176582-38-9)
- Methyl 1-(4-Methoxyphenyl)-3-methyl-1H-pyrazole-5-carboxylate (CAS 1202029-49-9)
- 1-(2-Methoxyphenyl)-3,5-dimethyl-1h-pyrazole-4-carboxylic acid (CAS 1216210-14-8)
- [3-(4-Methoxyphenyl)-5-methyl-1H-pyrazol-4-yl]-acetic acid (CAS 1234343-27-1)
Recommended Standards
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