3-Methylamino-1,2-propanediol, with the molecular formula C4H11NO2, is a valuable compound utilized in organic synthesis and pharmaceutical research. This colorless liquid features a methylamino group and hydroxyl groups on a three-carbon chain, making it an essential building block for the production of complex organic molecules. Its versatile reactivity allows for the introduction of functional groups and modification of biomolecules, contributing to its application in drug discovery and medicinal chemistry.