CAS Number 135463-81-9 Purity 99.6% Molecular Weight 341.40 g/mol Molecular Formula C19H23N3O3 What is Coluracetam? Coluracetam is a nootropic belonging to the racetam family. Racetams are a class of compounds that have the same chemical backbone (a pyrrolidone nucleus). Although their exact mechanism of action remains unknown, some racetams appear to modulate neurotransmitters.  Coluracetam was originally developed in 2005 as …