Import and export structure files in a variety of standard file formats. Undo last operation Enter single-bond drawing mode alt Enter double-bond drawing mode, Enter triple-bond drawing mode Draw or link 3-membered ring, Draw or.Produce an optimized 3D model of your 2D structure.

Generate all possible structures for a given Markush representation.Generate suggested tautomeric forms of your drawn structure.Search the Dictionary of >170,000 systematic, trivial, and trade names.Generate structures from InChI or SMILES strings, or copy/paste from ChemDraw.Use graphical templates to insert objects including molecular orbitals, Lewis structures, Newman projections, laboratory equipment, and more.Insert pre-drawn templates of amino acids, aromatics, carbohydrates, steroids, sugars, and more.Associate atoms in reactant to product schemes with atom-atom mapping.Label reaction arrows with specific experimental conditions.Easily draw reactions and complex chemical schema (including biotransformation maps).Edit structures to customize the chemical bond type, stereo configuration, atom type and charge, radical label, atom numbering, and more.It can readand write MDL Molfiles, and read ChemDraw text and binary files, toallow sharing between XDrawChem and other chemistry applications, andit can create images in popular formats like PNG and EPS.

Draw molecular structures such as organic molecules, organometallics, biomolecules, polymers, 2D and 3D structure representations, delocalized Markush structures, peptide sequences Isis draw free download chemistry portable XDrawChemhas been tested on Linux, SGI IRIX 6.5, Sun Solaris, Mac OS X, and Windows.