Synthesis chemical lab is one of the leading whole sale and retail trader in coimbatore , we are the leading supplier of chemicals, speciality chemicals , and lab and commercial grade It is a fructopyranose, a D-fructose and a cyclic hemiketal. D-Fructose is a metabolite found in or produced by Escherichia coli. Fructose is a type of sugar known as a monosaccharide. Like other sugars, fructose provides four calories per gram. Fructose is also known as “fruit sugar” because it primarily occurs naturally in many fruits. It also occurs naturally in other plant foods such as honey, sugar beets, sugar cane and vegetables. synthesis chemical lab.