1-Ethyl-5-(4-fluorophenyl)-1H-pyrazole-4-carbaldehyde CAS 689250-64-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 689250-64-4 |
| Molecular Formula | C12H11FN2O |
| Molecular Weight | 218.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Ethyl-5-(4-fluorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 689250-64-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H11FN2O. Molecular weight: 218.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H11FN2O |
| Molecular Weight | 218.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1-[1-(4-fluorophenyl)-5-methyl-1h-pyrazol-4-yl]ethan-1-one (CAS 5078-58-0)
- 1-Methyl-4-(methylsulfamoyl)-1h-pyrrole-2-carboxylic acid (CAS 877826-25-0)
- 1-(5-Fluoropyridin-2-yl)-4-oxocyclohexanecarbonitrile (CAS 960371-10-2)
- 3-(Aminomethyl)pyrrolidine-1-carboxamide (CAS 1249269-39-3)
- 2-Chloro-N,N-bis-(3-methyl-butyl)-acetamide (CAS 100395-94-6)
- 33312-01-5 3,3'-Dithiobis(N-octylpropionamide) Propanamide, 3,3'-dithiobis(N-octyl- N,N'-Bis-n-octyl-3,3'-dithiopropionamide EINECS 251-453-8 (CAS 33312-01-5)
- (2S)-1-Methyl-5-(5-oxohexyl)pyrrolidine-2-carboxylic acid (CAS 778524-15-5)
- Hydroxy Meprobamate (CAS 3567-43-9)
- 2-N,N-Dimethylaminomethyl-1,3-diaminopropane trihydrochloride (CAS 936255-80-0)
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