1-Octadecanethiol (ODT) is a water soluble sulfur compound with an 18 carbon alkyl chain, which forms a strong hydrophobic assembly with transition metals, like gold .
O 1200 (OTTO) 1-Octadecanethiol, 98% Cas no 2885-00-9 - used to deposit thiolated molecules onto the surface of gold substrates, such as • SAMs on gold quartz crystal resonators.