2-(3-Chloro-4-fluorophenyl)pyridin-4-ol CAS 1262011-49-3
| CAS No. | 1262011-49-3 |
| Molecular Formula | C11H7ClFNO |
| Molecular Weight | 223.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 223.63 g/mol gives 2-(3-Chloro-4-fluorophenyl)pyridin-4-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(3-Chloro-4-fluorophenyl)pyridin-4-ol (CAS 1262011-49-3), molecular formula C11H7ClFNO and molecular weight 223.63 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H7ClFNO, 2-(3-Chloro-4-fluorophenyl)pyridin-4-ol contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 223.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C11H7ClFNO |
| Molecular Weight | 223.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 1-(2-Chloro-6-fluoroquinolin-3-yl)ethanone (CAS 1017429-01-4)
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- 1-(2-Chloro-8-fluoroquinolin-3-yl)ethanone (CAS 1065481-26-6)
- 5-(4-Chloro-3-fluorophenyl)pyrazin-2-amine (CAS 1069494-45-6)
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Recommended Standards
- 4-(3-Chloro-5-fluorophenyl)-2-hydroxypyridine (CAS 1261938-64-0)
- Methyl 4-(chlorosulfonyl)-1h-pyrrole-2-carboxylate (CAS 1354963-62-4)
- 4-(3-Chloro-4-fluorophenyl)pyrimidin-2-amine (CAS 1249713-59-4)
- 1-(2-Chloro-4-fluorophenyl)-3-oxocyclobutane-1-carbonitrile (CAS 1378665-60-1)
- (6-Fluoro-5-methylpyridin-3-yl)methanol (CAS 1260776-18-8)
- Montixanthone (CAS 876305-36-1)
- Thioanisole (CAS 100-68-5)
- 3-(2-fluoroethyl)pyridin-4-amine (CAS 1491229-66-3)
- 5-((1-Methyl-1H-imidazol-2-yl)thio)-2-nitroaniline (CAS 55564-41-5)
- 2-Amino-3,4,5,6-tetrahydropyrimidine-4-carboxylic acid (CAS 738558-38-8)
- 4-(4,5-Dimethyl-4h-1,2,4-triazol-3-yl)-2-methylbutan-2-amine (CAS 1249095-65-5)
- Ritonavir Impurity 44 (CAS 652131-62-9)
- 1-Methoxyisoquinolin-3-amine (CAS 80900-33-0)
- Fragment-[9-31]-Semaglutide (CAS CATO-C4X-2226181)
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