calcium fructoborate calcium fructoborate calcium fructoborate is a salt of an organoboron compound containing boron (and fructose and calcium). its structural formula is ca2. calcium fructoborate identifiers cas number 250141-42-5 y 3d model (jsmol) interactive image chemspider 8137902 pubchem cid 85076954 unii 7ew2ez38ls y inchi inchi=1s/2c12h20bo12.ca/c2*14-1-5-7(18)9-11(3-16,20-5)24-13(22-9)23-10-8(19)6(2-15)21-12(10,4-17)25-13;/h2*5-10,14-19h,1-4h2;/q2*-1;+2key: hrsmkobejueldv-uhfffaoysa-n smiles .oc1o2(co)o3(o21o)o1(o)(co)o1(co)o3.oc1o2(co)o3(o21o)o1(o)(co)o1(co)o3 properties chemical formula c24h40b2cao24 molar mass 774.26 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references it is naturally found in some plants, and is also manufactured and promoted as a dietary supplement.