ilomastat ilomastat ilomastat (inn), (codenamed gm6001, proprietary name galardin®) is a broad-spectrum matrix metalloproteinase inhibitor. gm6001 names preferred iupac name (3r)-n1-hydroxy-n4--3-(2-methylpropyl)butanediamide other names galardin, gm6001 identifiers cas number 142880-36-2 y 3d model (jsmol) interactive image abbreviations gm6 chebi chebi:137236 chemspider 117009 drugbank db02255 mesh gm6001 pubchem cid 132519 unii i0403ml141 y comptox dashboard (epa) dtxsid0046353 inchi inchi=1s/c20h28n4o4/c1-12(2)8-13(10-18(25)24-28)19(26)23-17(20(27)21-3)9-14-11-22-16-7-5-4-6-15(14)16/h4-7,11-13,17,22,28h,8-10h2,1-3h3,(h,21,27)(h,23,26)(h,24,25)/t13-,17+/m1/s1 smiles cc(c)c(cc(=o)no)c(=o)n(cc1=cnc2=cc=cc=c21)c(=o)nc properties chemical formula c20h28n4o4 molar mass 388.468 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references this chemotherapy agent is considered to have application in skincare products for its antiaging properties. ilomastat is a member of the hydroxamic acid class of reversible metallopeptidase inhibitors. the anionic state of the hydroxamic acid group forms a bidentate complex with the active site zinc. examples of enzymes that ilomastat inhibit include rabbit mmp9, thermolysin, peptide deformylase, and anthrax lethal factor endopeptidase (lf) produced by the bacterium bacillus anthracis.