(10α,22E)-Ergosta-5,7,22-trien-3β-ol is a chemical compound registered under CAS number 128-27-8, with the molecular formula C28H44O and a molecular weight of about 396.66 g/mol. It is also known as Pyrocalciferol; Pyrovitamine D2. KingChemi supplies (10α,22E)-Ergosta-5,7,22-trien-3β-ol for laboratory research and bulk production; product code 480351. Send an inquiry for purity, packaging, price and lead time.