CAS 829-74-3 appears in our catalog under these names: Levonordefrin, (-)-3,4-Dihydroxy norephedrine, Levonordefrin, 98.62%, Levonordefrin (Standard). Offered by: GLPBio, Biosynth, MedChemExpress. Available pack sizes: 10mg, 100mg, 50mg, 10 mg, 5 mg, Get quote.