CAS 50773-42-7 appears in our catalog under these names: Formosanin C/ 100%, Polyphyllin B (Formosanin C), Formosanin C 98%, (25R)-Spirost-5-en-3β-ol 3-O-α-L-rhamnopyranosyl-(1-2)-O-[[α-L-rhamnopyranosyl-(1-4)]-O-[α-L-rhamnopyranosyl-(1-4)]]-β-D-glucopyranoside, 95%, 95%, Formosanin C (Standard). Offered by: TargetMol, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 2mg, Get quote.