Coluracetam powder CAS135463-81-9 CAS Number 135463-81-9 Reinheit 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 …