4-(Ethylthio)-2,5-di(methoxy-d3)benzaldehyde

4-(Ethylthio)-2,5-di(methoxy-d3)benzaldehyde is a chemical compound that is commonly used in organic chemistry research. Its chemical formula is C12H14O3S and it has a molecular weight of 246.3 g/mol. The compound contains two deuterium atoms in the methoxy groups, which makes it useful in studies that require isotopically labeled compounds. This compound is often used in the synthesis of various organic molecules, particularly those that contain benzaldehyde or related functional groups. It can also be used as a reagent in organic reactions, such as the formation of Schiff bases or imines. 4-(Ethylthio)-2,5-di(methoxy-d3)benzaldehyde has a pale yellow color and a distinctive odor. It is soluble in many organic solvents, including acetone, ethanol, and dichloromethane. The compound is relatively stable under normal conditions, but may degrade over time in the presence of air or moisture. In terms of safety, 4-(Ethylthio)-2,5-di(methoxy-d3)benzaldehyde should be handled with care and used only by trained professionals in a laboratory setting. It may be harmful if ingested or inhaled, and can cause irritation to the skin and eyes. Proper protective equipment, such as gloves and goggles, should be worn when handling this compound.