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Organic compounds that contain a carboxyl group bonded to an organic functional group; carboxyl groups consist of a carbonyl group bonded to a hydroxy group. Includes compounds that are derived from carboxylic acids.
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4-PPBP maleate is a research-grade sigma-1 (σ1) receptor ligand and agonist used in neuroscience studies. It acts as a non-competitive, selective antagonist of NR1a/2B NMDA receptors and has been used in models of neuroprotection. The compound is supplied as a solid with high reported purity and defined storage recommendations for stability.