Min. Order Reference FOB Price
10 kg US$8.50-10.00 / kg
Product Description
Product Description Coumarin (anhydride of o-coumaric acid) is white, crystalline lactone, obtainable naturally from several plants, such as tonka bean, lavender, sweet clover grass, strawberries, and cinnamon, or produced synthetically from an amino acid, phenylalanine. It is the principle of ...