(R)-3-Amino-2-methylpropanoic acid is primarily used in the synthesis of pharmaceuticals, particularly in the development of drugs targeting neurological disorders. It serves as a key intermediate in the production of compounds that modulate neurotransmitter activity, making it valuable for creating treatments for conditions like epilepsy and anxiety. Additionally, this chemical is utilized in the preparation of chiral building blocks for asymmetric synthesis, enabling the creation of enantiomerically pure substances in medicinal chemistry. Its role in peptide synthesis also contributes to the development of novel therapeutic agents and bioactive peptides.