Chemical Name: (E)Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate Molecular Formula and weight: (VAC) C14H16O5=264.3 Structure Formula: CAS No.: [80937-23-1] Aspect: tan/yellow crystals or crystalline power Content: ≥98.5%-99.0%(HPLC) Melting point: 87.0-91.0℃ Usage: This product is a kind of good which is useful in treating oily hair and skin. This product can also be a intermediate of a anti-stomach ulcer medicine. Page: Double layers of plastic bag which are in the cardboard bucket Specification: 1 Kg,10 Kg,25 Kg/bucket.