The molecule is a polyacyl alpha,alpha-trehalose derivative that is 2'-sulfo-alpha,alpha-trehalose carrying palmitoyl and stearoyl groups at positions 2 and 3 respectively. It has a role as a bacterial metabolite. It is a polyacyl alpha,alpha-trehalose derivative, a sulfoglycolipid and a trehalose sulfate. It is a conjugate acid of a 2-palmitoyl-3-stearoyl-2'-sulfo-alpha,alpha-trehalose(1-).
[(2R,3R,4S,5R,6R)-2-[(2R,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-sulfooxyoxan-2-yl]oxy-3-hexadecanoyloxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl] octadecanoate