Hymecromone Purity: 99.7% CAS No.: 90-33-5 Molecular Formula: C10H8O3 Formula Weight: 176.17 Melting Point: 186-191° Solubility: Soluble in alcohol. Insoluble in cold water Beilstein Reference: 142217 Merck Reference: 14,4854 Appearance: Needle crystalline Application: The product is a cholagogue, and anti allergic drug cromolyn sodium intermediate.  Package: 25KG/drum 4-Methylumbelliferone is used in the determination of nitric acid and as a standard for …