5-Methyl-3-(perfluorooctyl)-1H-pyrazole CAS 243659-12-3
| CAS No. | 243659-12-3 |
| Molecular Formula | C12H5F17N2 |
| Molecular Weight | 500.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 5-Methyl-3-(perfluorooctyl)-1H-pyrazole (CAS 243659-12-3), a certified reference material (molecular formula C12H5F17N2, MW 500.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H5F17N2, 5-Methyl-3-(perfluorooctyl)-1H-pyrazole contains a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 500.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H5F17N2 |
| Molecular Weight | 500.15 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Perfluorooctane sulfonic acid (CAS 1763-23-1)
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- tert-butyl 6-methylene-1,4-oxazepane-4-carboxylate (CAS 748805-96-1)
- Liraglutide(3-31)TFA Salt (CAS CATO-C4X-19921)
Why CATO?
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