909556-32-7

4-Aminobutyl-d8 Guanidine Sulfate is the labelled analog of the decarboxylation product of the amino acid arginine (A769500) and also an intermediate in polyamine biosynthesis.

Agmatine-d8 Sulfate, is the labeled analogue of Agmatine Sulfate (A426900), a polyamine derived from L-arginine (A769500) decarboxylation and is a known putative endogenous neurotransmitter at imidazoline receptors.