CAS 122021-74-3 appears in our catalog under these names: Monomethyl lithospermate B, Magnesium Lithospermate B/ 98.61% (existing batch purity), Monomethyl lithospermate B, Magnesium Lithospermate B, 99.49%, Magnesium tanshinoate B. Offered by: GLPBio, TargetMol, Biosynth, MedChemExpress, Chemat. Available pack sizes: 10mg, 25mg, 5mg, 10mM (in 1ml dmso), 50mg, 1mg, 100mg, 5 mg.