- Chemical name: (2E)-2-methyl-4-(1H-purin-6-ylamino)-2-buten-1-ol - Synonymous: Zeatin - Structural Formula: - Molecular Formula:.......................... C10H13N5O - CAS No: [ 1637-39-4 ] - Toxicology: - Molecular weight ................................................. - Appearance:........................... Offwhite crystal powder. - Assay:................................................. 99%min - Melting Point..........................................................208-210 C - Ignition Residue......................... - Loss on Drying........................................0.1% -- 0.5% Application: - Plant growth regulators.