Original
The company profile was verified by 
CAS No:524-30-1
molecular formula:C16H18O10
molecular weight:
density 1.634g/cm3
Literature References: From bark of the common European ash (Fraxinus excelsior L.): Salm-Horstmar, Pogg. Ann. 100, 607 (1857); from F. oxyphylla Mar., Oleaceae: Paris, Stambouli, Compt. Rend. 253, 313 (1961). Identity with paviin: Stokes, J. Chem. Soc. 12, 126 (1859). From the horse chestnut tree (Aesculus hippocastanum L., Hippocastanaceae): Reppel, Planta Med. 4, 199 (1956); from Diervilla spp., Caprifoliaceae: Charaux, J. Pharm. Chim. [7] 4, 248 (1911). Structure: Wessely, Demmer, Ber. 62, 120 (1929).
