4-(4-Fluorophenyl)-1-methoxyisoquinolin-5-ol CAS 656233-90-8
| CAS No. | 656233-90-8 |
| Molecular Formula | C16H12FNO2 |
| Molecular Weight | 269.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(4-Fluorophenyl)-1-methoxyisoquinolin-5-ol (C16H12FNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 269.27 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies 4-(4-Fluorophenyl)-1-methoxyisoquinolin-5-ol (CAS 656233-90-8), a certified reference material (molecular formula C16H12FNO2, MW 269.27 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-(4-Fluorophenyl)-1-methoxyisoquinolin-5-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H12FNO2 |
| Molecular Weight | 269.27 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 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluorophenyl Standards
- 5-(3-Fluorophenyl)-3-(3-methoxyphenyl)-1H-1,2,4-triazole (CAS 1208729-16-1)
- 5-(3-Fluorophenyl)-3-(4-methoxyphenyl)-1H-1,2,4-triazole (CAS 1209648-85-0)
- 4-(3-Fluorophenyl)-6-(5-methylfuran-2-yl)pyrimidin-2-amine (CAS 1354937-77-1)
- (1-(2-Fluorophenyl)-3-(pyridin-3-yl)-1H-pyrazol-4-yl)methanol (CAS 618383-42-9)
- (1-(4-Fluorophenyl)-3-(pyridin-3-yl)-1H-pyrazol-4-yl)methanol (CAS 618444-47-6)
- 1-(3-Fluorophenyl)-3-(1H-indol-3-yl)urea (CAS 941879-10-3)
- 1-(4-Fluorophenyl)-5-methyl-4-(pyridin-2-yl)-1,2-dihydro-3H-pyrazol-3-one (CAS 956796-43-3)
- 1-[(2-fluorophenyl)methyl]-1H-indole-2-carboxylic acid (CAS 943109-61-3)
Recommended Standards
- 4-(3-Fluorophenyl)-1-methoxyisoquinolin-5-ol (CAS 656233-89-5)
- 4-(4-Methoxyphenyl)thiomorpholine-3,5-dione 1,1-dioxide (CAS 866048-85-3)
- 4-(2,5-Difluorophenyl)-2-ethyl-1,3-thiazole-5-carboxylic acid (CAS 887267-80-3)
- 4-{2-[(carboxymethyl)sulfanyl]acetamido}benzoic acid (CAS 344264-58-0)
- ((2S,5R)-5-(2,6-Diamino-9H-purin-9-yl)tetrahydrofuran-2-yl)methanol (CAS 107550-73-2)
- (R)-4-Methyl-1,3,2-dioxathiolane 2,2-dioxide (CAS 1006381-03-8)
- Palladium(II) Nitrate Hydrate, 99. (metals basis) (CAS 82279-70-7)
- Ethyl 6-oxo-6-(2,3,4,5-tetrafluorophenyl)hexanoate (CAS 951887-41-5)
- 2-(2,5-Diazabicyclo[2.2.2]octan-2-yl)-2-methylpropan-1-ol (CAS 1403767-01-0)
- [(4-Butyl-7-methyl-2-oxo-2H-chromen-5-yl)oxy]-acetic acid (CAS 843619-90-9)
- {1,4-dioxaspiro[4.5]decan-8-yl}hydrazine (CAS 1144080-29-4)
- 1,8-Dichloro-10-methylanthracene (CAS 17122-95-1)
- 3-Bromo-4-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2223012-18-6)
- Allo-D-Ile12-Tirzepatide (CAS CATO-CPTD788963)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com