AZELEX (azelaic acid cream) 20% contains azelaic acid, a naturally occurring saturated dicarboxylic acid.

FINACEAŽ (azelaic acid) Gel, 15%, contains azelaic acid, a naturally occurring saturated dicarboxylic acid. Chemically, azelaic acid is 1,7-heptanedicarboxylic acid, with the molecular formula C9H16O4, a molecular weight of 188.22, and the structural formula: