4-Fluorophenol D5

4-Fluorophenol D5 is a deuterated derivative of 4-fluorophenol, with the molecular formula C6D5FO. It is commonly used as a stable isotope labeled internal standard in analytical chemistry and biochemistry applications. 4-Fluorophenol D5 is a colorless to light yellow liquid with a melting point of -25 °C and boiling point of 166-168 °C. It is soluble in water, ethanol, and other organic solvents. As an internal standard, 4-Fluorophenol D5 is added in known amounts to samples to aid in quantification and accuracy of results. It is used in a variety of applications, including clinical and forensic toxicology to measure drug levels in blood or urine, and in environmental monitoring to detect contaminants in water or soil samples. In terms of its chemical properties, 4-Fluorophenol D5 is a phenolic compound with a fluorine atom attached to the aromatic ring. It undergoes reactions typical of phenols, such as oxidation and esterification, and can also undergo substitution reactions at the fluorine position. Overall, 4-Fluorophenol D5 is a useful tool for researchers and analysts in a variety of fields, aiding in the accurate measurement and quantification of compounds of interest.