3-(3-fluoro-4-methoxyphenyl)-4-methyl-1H-pyrazole CAS 1007033-91-1
| CAS No. | 1007033-91-1 |
| Molecular Formula | C11H11FN2O |
| Molecular Weight | 206.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(3-fluoro-4-methoxyphenyl)-4-methyl-1H-pyrazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
3-(3-fluoro-4-methoxyphenyl)-4-methyl-1H-pyrazole (CAS 1007033-91-1) is a high-purity analytical reference standard with the molecular formula C11H11FN2O and a molecular weight of 206.22 g/mol.
Based on its molecular formula C11H11FN2O, 3-(3-fluoro-4-methoxyphenyl)-4-methyl-1H-pyrazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 206.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C11H11FN2O |
| Molecular Weight | 206.22 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2-((3-Chloropyridin-2-yl)thio)-1-(1h-pyrrol-2-yl)ethan-1-one (CAS 1147335-76-9)
- Tezacaftor Impurity C28 (CAS 1294504-68-9)
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- 3-(3-Methoxyphenyl)-1-methylazepan-2-one (CAS 71592-43-3)
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- Rimegepant Impurity 34 (CAS CATO-C4X-248734)
- 4-Fluoro-1-((tetrahydro-2h-pyran-4-yl)methyl)-1h-benzo[d]imidazole-2-carboxylic acid, sodium salt (CAS 2197062-27-2)
- Mast Cell Degranulating Peptide (CAS 83856-13-7)
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