The molecule is a polyamide that is an oligo-L-lysine derivative in which four of the lysine residues carry adipic acid, which is linked via one of the carboxy groups to the epsilon-amino function. It is used as a haptenic carrier. It contains a L-lysine residue.
(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[6-[[(2S)-6-amino-1-[[(2S)-1-[[6-amino-1-[[(2S)-1-[[(1S)-5-amino-1-carboxypentyl]amino]-6-(5-carboxypentanoyloxy)-1-oxohexan-2-yl]amino]-1-oxohexan-2-yl]amino]-6-(5-carboxypentanoylamino)-1-oxohexan-2-yl]amino]-1-oxohexan-2-yl]amino]-6-oxohexanoyl]amino]hexanoyl]amino]-6-(5-carboxypentanoylamino)hexanoyl]amino]hexanoyl]amino]-6-(5-carboxypentanoylamino)hexanoyl]amino]hexanoic acid