CAS 821-09-0 appears in our catalog under these names: Pent–4–en–1–ol, 4-Penten-1-ol, 98+% , 4-Penten-1-ol, 4-Penten-1-ol, >98.0%(GC), 4-Penten-1-ol, 99%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, TCI, Thermo Scientific (Acros). Available pack sizes: 100g, 25g, 5g, 0,1kg, 0,25kg, 25ml, 250ml, 10g.