Esculetin CAS Registry Number: 305-01-1 秦皮乙素
CAS Name: 6,7-Dihydroxy-2H-1-benzopyran-2-one
Additional Names: 6,7-dihydroxycoumarin; cichorigenin
Percent Composition: C 60.68%, H 3.39%, O 35.93%
📌 参考资料/链接：
Literature References: The aglucon of esculin and of cichoriin. By hydrolysis of esculin or of cichoriin: Merz, Arch. Pharm. 270, 486 (1932). By synthesis: Gattermann, Köbner, Ber. 32, 288 (1899); Bert, Compt. Rend. 214, 230 (1942). Review: Sethna, Shah, Chem. Rev. 36, 1 (1945).
📄 详细内容
Properties: Prisms from glacial acetic acid; leaflets by vacuum sublimation. mp 268-270°. Soluble in dil alkalies with blue fluorescence; moderately sol in hot alcohol and in glacial acetic acid; almost insol in ether, in boiling water.
Melting point: mp 268-270°
Use: In filters for absorption of ultraviolet light.
产品链接: 305-01-1››