CAS 3621-36-1 appears in our catalog under these names: Columbamine/ 99.28% (existing batch purity), Columbamine (Columbamin), Columbamine 98%, Columbamine, 98%, 98%, Columbamine, 99.70%. Offered by: TargetMol, GLPBio, Ambeed, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 10mM (in 1ml dmso), 100mg, 250mg.