2-Fluoro-4-(1H-pyrazol-5-yl)phenol CAS 1158592-90-5
| CAS No. | 1158592-90-5 |
| Molecular Formula | C9H7FN2O |
| Molecular Weight | 178.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Fluoro-4-(1H-pyrazol-5-yl)phenol (C9H7FN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-Fluoro-4-(1H-pyrazol-5-yl)phenol (CAS 1158592-90-5), molecular formula C9H7FN2O and molecular weight 178.16 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Fluoro-4-(1H-pyrazol-5-yl)phenol 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.
Physical & Chemical Properties
| Molecular Formula | C9H7FN2O |
| Molecular Weight | 178.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
- 4-Fluoro-7-methyl-1h-indazole-3-carbaldehyde (CAS 1000340-63-5)
- 3-Fluoro-4-(prop-2-yn-1-yloxy)benzaldehyde (CAS 1092285-39-6)
- 3-(3-Fluoro-4-methylphenyl)-1,2,4-oxadiazole (CAS 1146699-63-9)
- 8-Fluoro-7-hydroxy-4-methylcoumarin (CAS 1155195-30-4)
- 4-Fluoro-1-methyl-1H-benzo[d]imidazole-2-carbaldehyde (CAS 118469-27-5)
- 6-Fluoro-3-methylbenzofuran-2-carbaldehyde (CAS 1186541-44-5)
- 4-Fluoro-2-(1H-imidazol-2-yl)phenol (CAS 1190838-28-8)
- 1-(5-Fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)ethanone (CAS 1256835-84-3)
Recommended Standards
- 5-(fluoromethoxy)pyrazine-2-carboxylic acid (CAS 1174321-00-6)
- N-(2-Cyano-3-fluorophenyl)acetamide (CAS 1155146-72-7)
- 1-(7-Fluorobenzofuran-2-yl)ethanone (CAS 1094640-56-8)
- 5-Amino-3-(2-fluorophenyl)isoxazole (CAS 119162-49-1)
- 1-(2-(Methylamino)-4-(trifluoromethyl)thiazol-5-yl)ethanone (CAS 1421693-44-8)
- (R)-(+)-1,2-Diaminopropane dihydrochloride (CAS 19777-67-4)
- 3-(Maleimido)propionic acid N-hydroxysuccinimide ester 2,5-Dioxopyrrolidin-1-yl 3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanoate BMPS N-(3-Maleimidopropionyloxy)succinimide 55750-62-4 (CAS 55750-62-4)
- Diglycolic anhydride Diglycolic acid anhydride Oxydiacetic anhydride p-Dioxane-2,6-dione 1,4-Dioxane-2,6-dione 4480-83-5 (CAS 4480-83-5)
- 2-(Pyrrolidin-3-yloxy)pyrimidine hydrochloride (CAS 1420960-81-1)
- 4-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-indol-3-yl)-1,2-dihydro-3H-pyrazol-3-one (CAS 303152-88-7)
- Methyl 5-(2-fluorophenyl)isoxazole-3-carboxylate (CAS 668970-74-9)
- (R)-methyl 2-((R)-2-cyclohexyl-2-(pyrazine-2-carboxamido)acetamido)-3,3-dimethylbutanoate (CAS 2459946-44-0)
- N-(4-ethoxy-3-methoxyphenyl)prop-2-enamide (CAS 1156159-12-4)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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