This substance is supplied with certified chromatographic purity. The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG Synonyms: (1alpha,3beta,22R)-3-[(6-O-beta-D-Glucopyranosyl-beta-D-glucopyranosyl)oxy]-1,22-dihydroxy-ergosta-5,24-dien-26-oic acid delta-lactone...