Brand: nanjian 2-methyl-2-pentenal Pharmaceutical intermediate CAS#: 623-36-9 CAS#: 623-36-9 Assay: 98%min Package: 1kg/25kg/200kg mw:C6H10O=98.01 Appearance: colorless liquid Usage:It is always used for organic synthetic intermediates, can also used in flavor & fragrance,