Ethyl 5-(trifluoromethyl)-1-(4-fluorophenyl)-1<I>H</I>-pyrazole-4-carboxylate CAS 175137-38-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175137-38-9 |
| Molecular Formula | C13H20F4N2O2 |
| Molecular Weight | 312.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-(trifluoromethyl)-1-(4-fluorophenyl)-1<I>H</I>-pyrazole-4-carboxylate (CAS 175137-38-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H20F4N2O2. Molecular weight: 312.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H20F4N2O2 |
| Molecular Weight | 312.30 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- (R)-4-(Methylthio)-2-((7-nitrobenzo[c][1,2,5]oxadiazol-4-yl)amino)butanoic acid (CAS 162149-69-1)
- rac-(3R,4R)-4-phenyloxane-3-carboxylic acid (CAS 1909288-05-6)
- Methyl (E)-3-(4-(1H-1,2,4-triazol-1-yl)phenyl)acrylate (CAS 1295583-28-6)
- 2-((2,5-Dichloropyrimidin-4-yl)amino)-N,N-dimethylbenzenesulfonamide (CAS 1022956-26-8)
- tert-Butyl 5-(aminomethyl)-3,3-dimethylindoline-1-carboxylate (CAS 1158745-66-4)
- Loratadine Impurity 13 (CAS CATO-C4X-142613)
- 3690-46-8 5-(3-pyridinyl)-1,3,4-oxadiazole-2-thiolate 5-pyridin-3-yl-1,3,4-oxadiazole-2-thiolate A823447 (CAS 3690-46-8)
- Endo-Ala35-Tirzepatide (CAS CATO-CPTD788687)
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