CAS 21967-41-9 appears in our catalog under these names: Baicalin, >95% (HPLC), Baicalin, Baicalin/ 98.96% (existing batch purity), Baicalin 7-b-D-glucuronide, Baicalin, >90.0%(T). Offered by: TRC, Dr. Ehrenstorfer, GLPBio, TargetMol, Biosynth. Available pack sizes: 10mg, 1g, 25mg, 100mg, 20mg, 10mM (in 1ml dmso), 50mg, 500mg.