Crystal Structure of Carisoprodol

Abstract

The title compound, C₁₂H₂₄N₂O₄, is a skeletal muscle relaxant. The crystal belongs to space group P1 with the cell dimensions a = 5.334(3), b = 10.831(5), c = 13.114(5)Å, α = 92.66(4), β = 96.03(4) and γ = 92.70(4)°. The final R value is 0.069. The molecule takes a fully extended conformation. There is an intramolecular C-H…O hydrogen bond that is important to determine the conformation.