Apiin , its cas register number is 26544-34-3. It also can be called Apigenin-7-apioglucoside ; 7-((2-O-D-Apio-beta-D-furanosyl-beta-D-glucopyranosyl)oxy)-5-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one ; 7-((2-O-beta-D-Apiofuranosyl-beta-D-glucopyranosyl)oxy)-5-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyranone .It is a chemical compound isolated from parsley and celery.