This substance is supplied with certified chromatographic purity. The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG Synonyms: (22R)-6alpha,7alpha-Epoxy-5,17,22-trihydroxy-1-oxo-5alpha-ergosta-2,24-dien-26-oic acid delta-lactone Molecular Formula: C28H38O6 …