(R)-4-fluoro-1-(1-phenylethyl)-1H-pyrazole-5-carboxylic acid CAS 2425818-93-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2425818-93-3 |
| Molecular Formula | C12H11FN2O2 |
| Molecular Weight | 234.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-4-fluoro-1-(1-phenylethyl)-1H-pyrazole-5-carboxylic acid (CAS 2425818-93-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H11FN2O2. Molecular weight: 234.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H11FN2O2 |
| Molecular Weight | 234.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related R Standards
- 5-(4-Fluoro-3-methylphenyl)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1176469-11-6)
- Ethyl 5-fluoro-1-phenyl-1H-pyrazole-4-carboxylate (CAS 1269294-15-6)
- 4-(3-Fluoro-4-methoxyphenyl)-2-hydrazinylpyrimidine (CAS 1410821-09-8)
- Methyl 3-fluoro-4-(4-methyl-1H-imidazol-1-yl)benzoate (CAS 1415565-10-4)
- 1-(2-Fluoro-3-nitrophenyl)cyclopentane-1-carbonitrile (CAS 1881329-58-3)
- (R)-3-fluoro-1-(1-phenylethyl)-1H-pyrazole-5-carboxylic acid (CAS 2425818-92-2)
- 1-(2-Fluoro-5-nitrophenyl)-2,5-dimethyl-1H-pyrrole (CAS 465514-85-6)
- 2-fluoro-5-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde (CAS 870851-52-8)
Recommended Standards
- (S)-1-(5-Fluoropyrimidin-2-yl)-4-methyl-4,5,6,7-tetrahydro-1H-[1,2,3]triazolo[4,5-c]pyridine (CAS 2166558-55-8)
- (4E)-4-[(Dimethylamino)methylidene]-2-(4-fluorophenyl)-4,5-dihydro-1,3-oxazol-5-one (CAS 371220-46-1)
- [(2S,5R)-5-(6-aminopurin-9-yl)-3-deuterio-2,5-dihydrofuran-2-yl]methanol (CAS 90124-47-3)
- 3-(Dec-2-en-1-yl)dihydrofuran-2,5-dione (CAS 62568-81-4)
- 4-Chloro-5-cyclopropylpyrimidine (CAS 1304723-68-9)
- 4-Methyl-3-(methylamino)-1H-1,2,4-triazole-5(4H)-thione (CAS 21111-52-4)
- 5-(4-Methoxyphenyl)isoxazole-3-carbaldehyde (CAS 870703-95-0)
- 1-Vinyl-1H-1,2,4-triazole-5-carboxamide (CAS 106535-51-7)
- Serpentinine (CAS 36519-42-3)
- Des-Pro31-Tirzepatide (CAS CATO-CPTD788943)
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